diff --git a/app/cmake/incp.cmake b/app/cmake/incp.cmake index 95397e0..4bab6ea 100644 --- a/app/cmake/incp.cmake +++ b/app/cmake/incp.cmake @@ -1,7 +1,7 @@ FetchContent_Declare( pyincp GIT_REPOSITORY git@repo.dsi.tecnico.ulisboa.pt:nanosatlab/istsat-2/incp.git - GIT_TAG temp/CMake-integration + GIT_TAG feat/cli-rework ) FetchContent_MakeAvailable(pyincp) diff --git a/app/src/circular_buffer.h b/app/src/circular_buffer.h new file mode 100644 index 0000000..9fc22c1 --- /dev/null +++ b/app/src/circular_buffer.h @@ -0,0 +1,31 @@ + +#ifndef _CIRCULAR_BUFF_H_ +#define _CIRCULAR_BUFF_H_ + +#include + +#define _CB_COUNT(buffer) (sizeof((buffer)->buf) / sizeof((buffer)->buf[0])) +#define _CB_WRAP(buffer, idx) ((idx) % (_CB_COUNT(buffer))) + +#define CIRCULAR_BUFFER_ALL(name, type, capacity) \ +typedef struct { \ + volatile uint32_t tail, count; \ + volatile type buf[capacity]; \ +} name##_t; \ +void name##_init(volatile name##_t *buffer) { buffer->tail = buffer->count = 0; } \ +bool name##_append(volatile name##_t *buffer, type element) { if (buffer->count == _CB_COUNT(buffer)) return false; buffer->buf[_CB_WRAP(buffer, buffer->tail + buffer->count)] = element; ++buffer->count; return true; } \ +bool name##_append_range(volatile name##_t *buffer, type *elements, int count) { \ + for (int i = 0; i < count; ++i) \ + if (!name##_append(buffer, elements[i])) return false; \ + return true; \ +} \ +int name##_take(volatile name##_t *buffer, type *dest, uint32_t count) { \ + count = count > buffer->count ? buffer->count : count; \ + for (uint32_t i = 0; i < count; ++i) { \ + dest[i] = buffer->buf[_CB_WRAP(buffer, buffer->tail)]; \ + ++buffer->tail; --buffer->count; \ + } \ + return count; \ +} \ + +#endif diff --git a/app/src/main.c b/app/src/main.c index 8c7c6ff..1407059 100644 --- a/app/src/main.c +++ b/app/src/main.c @@ -1,7 +1,87 @@ #include "main.h" +#include "i2c.h" +#include "stm32f411xe.h" #include "stm32f4xx_hal.h" #include "stm32f4xx_hal_gpio.h" +#include "stm32f4xx_ll_i2c.h" + +#include "gen_wrapper.h" + +#include "circular_buffer.h" + +#define CIRC_BUF_SIZE (2*1024) +CIRCULAR_BUFFER_ALL(circ_buff, uint8_t, CIRC_BUF_SIZE) + +static volatile circ_buff_t i2c_buf; + +void I2C1_EV_IRQHandler() +{ + if (!LL_I2C_IsActiveFlag_ADDR(I2C1)) + Error_Handler(); + + //Skip checking matched addr (should only be one) + //Skip checking if receiving or transmitting (should always be false) + LL_I2C_ClearFlag_ADDR(I2C1); + + //Allow buffer to grow until full + while (i2c_buf.count < _CB_COUNT(&i2c_buf)) + { + //Wait for data or stop flag + while (!LL_I2C_IsActiveFlag_STOP(I2C1) && !LL_I2C_IsActiveFlag_RXNE(I2C1)); + + if (LL_I2C_IsActiveFlag_STOP(I2C1)) + { + LL_I2C_ClearFlag_STOP(I2C1); + break; + } + else //Data received + { + uint8_t data = LL_I2C_ReceiveData8(I2C1); + circ_buff_append_range(&i2c_buf, &data, 1); + } + } + + //Overflow or stop condition reached + if (i2c_buf.count >= _CB_COUNT(&i2c_buf)) + Error_Handler(); +} + +bool I2C1_transmit_master(uint8_t addr, uint8_t *buf, uint8_t count) +{ + while (LL_I2C_IsActiveFlag_BUSY(I2C1)); + + //Transmit start + LL_I2C_GenerateStartCondition(I2C1); + while (!LL_I2C_IsActiveFlag_SB(I2C1)); + + //Transmit address + write + LL_I2C_TransmitData8(I2C1, addr << 1); + while (!LL_I2C_IsActiveFlag_ADDR(I2C1)); + LL_I2C_ClearFlag_ADDR(I2C1); + + for (int i = 0; i < count; ++i) + { + while (!LL_I2C_IsActiveFlag_TXE(I2C1)); + + if (LL_I2C_IsActiveFlag_AF(I2C1)) + { + //REVIEW: Anything else neeeded? + LL_I2C_Disable(I2C1); + LL_I2C_Enable(I2C1); + return false; + } + + LL_I2C_TransmitData8(I2C1, buf[i]); + } + + LL_I2C_GenerateStopCondition(I2C1); + while (LL_I2C_IsActiveFlag_STOP(I2C1)); + + LL_I2C_Disable(I2C1); + LL_I2C_Enable(I2C1); + return true; +} int my_main() { diff --git a/cubemx/Core/Inc/i2c.h b/cubemx/Core/Inc/i2c.h index 43b7b89..6d561d1 100644 --- a/cubemx/Core/Inc/i2c.h +++ b/cubemx/Core/Inc/i2c.h @@ -32,8 +32,6 @@ extern "C" { /* USER CODE END Includes */ -extern I2C_HandleTypeDef hi2c1; - /* USER CODE BEGIN Private defines */ /* USER CODE END Private defines */ diff --git a/cubemx/Core/Inc/main.h b/cubemx/Core/Inc/main.h index eb0dd7b..29edb9d 100644 --- a/cubemx/Core/Inc/main.h +++ b/cubemx/Core/Inc/main.h @@ -29,6 +29,18 @@ extern "C" { /* Includes ------------------------------------------------------------------*/ #include "stm32f4xx_hal.h" +#include "stm32f4xx_ll_i2c.h" +#include "stm32f4xx_ll_bus.h" +#include "stm32f4xx_ll_cortex.h" +#include "stm32f4xx_ll_rcc.h" +#include "stm32f4xx_ll_system.h" +#include "stm32f4xx_ll_utils.h" +#include "stm32f4xx_ll_pwr.h" +#include "stm32f4xx_ll_gpio.h" +#include "stm32f4xx_ll_dma.h" + +#include "stm32f4xx_ll_exti.h" + /* Private includes ----------------------------------------------------------*/ /* USER CODE BEGIN Includes */ diff --git a/cubemx/Core/Inc/stm32_assert.h b/cubemx/Core/Inc/stm32_assert.h new file mode 100644 index 0000000..305895a --- /dev/null +++ b/cubemx/Core/Inc/stm32_assert.h @@ -0,0 +1,53 @@ +/* USER CODE BEGIN Header */ +/** + ****************************************************************************** + * @file stm32_assert.h + * @author MCD Application Team + * @brief STM32 assert file. + ****************************************************************************** + * @attention + * + * Copyright (c) 2018 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ +/* USER CODE END Header */ +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __STM32_ASSERT_H +#define __STM32_ASSERT_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Exported types ------------------------------------------------------------*/ +/* Exported constants --------------------------------------------------------*/ +/* Includes ------------------------------------------------------------------*/ +/* Exported macro ------------------------------------------------------------*/ +#ifdef USE_FULL_ASSERT +/** + * @brief The assert_param macro is used for function's parameters check. + * @param expr If expr is false, it calls assert_failed function + * which reports the name of the source file and the source + * line number of the call that failed. + * If expr is true, it returns no value. + * @retval None + */ +#define assert_param(expr) ((expr) ? (void)0U : assert_failed((uint8_t *)__FILE__, __LINE__)) +/* Exported functions ------------------------------------------------------- */ +void assert_failed(uint8_t *file, uint32_t line); +#else +#define assert_param(expr) ((void)0U) +#endif /* USE_FULL_ASSERT */ + +#ifdef __cplusplus +} +#endif + +#endif /* __STM32_ASSERT_H */ + diff --git a/cubemx/Core/Inc/stm32f4xx_hal_conf.h b/cubemx/Core/Inc/stm32f4xx_hal_conf.h index e3eddaf..5547a41 100644 --- a/cubemx/Core/Inc/stm32f4xx_hal_conf.h +++ b/cubemx/Core/Inc/stm32f4xx_hal_conf.h @@ -53,7 +53,7 @@ /* #define HAL_SRAM_MODULE_ENABLED */ /* #define HAL_SDRAM_MODULE_ENABLED */ /* #define HAL_HASH_MODULE_ENABLED */ -#define HAL_I2C_MODULE_ENABLED +/* #define HAL_I2C_MODULE_ENABLED */ /* #define HAL_I2S_MODULE_ENABLED */ /* #define HAL_IWDG_MODULE_ENABLED */ /* #define HAL_LTDC_MODULE_ENABLED */ diff --git a/cubemx/Core/Src/i2c.c b/cubemx/Core/Src/i2c.c index fb04d79..f8c187c 100644 --- a/cubemx/Core/Src/i2c.c +++ b/cubemx/Core/Src/i2c.c @@ -24,8 +24,6 @@ /* USER CODE END 0 */ -I2C_HandleTypeDef hi2c1; - /* I2C1 init function */ void MX_I2C1_Init(void) { @@ -34,83 +32,49 @@ void MX_I2C1_Init(void) /* USER CODE END I2C1_Init 0 */ + LL_I2C_InitTypeDef I2C_InitStruct = {0}; + + LL_GPIO_InitTypeDef GPIO_InitStruct = {0}; + + LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOB); + /**I2C1 GPIO Configuration + PB8 ------> I2C1_SCL + PB9 ------> I2C1_SDA + */ + GPIO_InitStruct.Pin = LL_GPIO_PIN_8|LL_GPIO_PIN_9; + GPIO_InitStruct.Mode = LL_GPIO_MODE_ALTERNATE; + GPIO_InitStruct.Speed = LL_GPIO_SPEED_FREQ_VERY_HIGH; + GPIO_InitStruct.OutputType = LL_GPIO_OUTPUT_OPENDRAIN; + GPIO_InitStruct.Pull = LL_GPIO_PULL_NO; + GPIO_InitStruct.Alternate = LL_GPIO_AF_4; + LL_GPIO_Init(GPIOB, &GPIO_InitStruct); + + /* Peripheral clock enable */ + LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_I2C1); + /* USER CODE BEGIN I2C1_Init 1 */ /* USER CODE END I2C1_Init 1 */ - hi2c1.Instance = I2C1; - hi2c1.Init.ClockSpeed = 100000; - hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2; - hi2c1.Init.OwnAddress1 = 0; - hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; - hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE; - hi2c1.Init.OwnAddress2 = 0; - hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE; - hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE; - if (HAL_I2C_Init(&hi2c1) != HAL_OK) - { - Error_Handler(); - } + + /** I2C Initialization + */ + LL_I2C_DisableOwnAddress2(I2C1); + LL_I2C_DisableGeneralCall(I2C1); + LL_I2C_EnableClockStretching(I2C1); + I2C_InitStruct.PeripheralMode = LL_I2C_MODE_I2C; + I2C_InitStruct.ClockSpeed = 100000; + I2C_InitStruct.DutyCycle = LL_I2C_DUTYCYCLE_2; + I2C_InitStruct.OwnAddress1 = 0; + I2C_InitStruct.TypeAcknowledge = LL_I2C_ACK; + I2C_InitStruct.OwnAddrSize = LL_I2C_OWNADDRESS1_7BIT; + LL_I2C_Init(I2C1, &I2C_InitStruct); + LL_I2C_SetOwnAddress2(I2C1, 0); /* USER CODE BEGIN I2C1_Init 2 */ /* USER CODE END I2C1_Init 2 */ } -void HAL_I2C_MspInit(I2C_HandleTypeDef* i2cHandle) -{ - - GPIO_InitTypeDef GPIO_InitStruct = {0}; - if(i2cHandle->Instance==I2C1) - { - /* USER CODE BEGIN I2C1_MspInit 0 */ - - /* USER CODE END I2C1_MspInit 0 */ - - __HAL_RCC_GPIOB_CLK_ENABLE(); - /**I2C1 GPIO Configuration - PB8 ------> I2C1_SCL - PB9 ------> I2C1_SDA - */ - GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9; - GPIO_InitStruct.Mode = GPIO_MODE_AF_OD; - GPIO_InitStruct.Pull = GPIO_NOPULL; - GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; - GPIO_InitStruct.Alternate = GPIO_AF4_I2C1; - HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); - - /* I2C1 clock enable */ - __HAL_RCC_I2C1_CLK_ENABLE(); - /* USER CODE BEGIN I2C1_MspInit 1 */ - - /* USER CODE END I2C1_MspInit 1 */ - } -} - -void HAL_I2C_MspDeInit(I2C_HandleTypeDef* i2cHandle) -{ - - if(i2cHandle->Instance==I2C1) - { - /* USER CODE BEGIN I2C1_MspDeInit 0 */ - - /* USER CODE END I2C1_MspDeInit 0 */ - /* Peripheral clock disable */ - __HAL_RCC_I2C1_CLK_DISABLE(); - - /**I2C1 GPIO Configuration - PB8 ------> I2C1_SCL - PB9 ------> I2C1_SDA - */ - HAL_GPIO_DeInit(GPIOB, GPIO_PIN_8); - - HAL_GPIO_DeInit(GPIOB, GPIO_PIN_9); - - /* USER CODE BEGIN I2C1_MspDeInit 1 */ - - /* USER CODE END I2C1_MspDeInit 1 */ - } -} - /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ diff --git a/cubemx/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h b/cubemx/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h deleted file mode 100644 index b37126e..0000000 --- a/cubemx/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c.h +++ /dev/null @@ -1,741 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f4xx_hal_i2c.h - * @author MCD Application Team - * @brief Header file of I2C HAL module. - ****************************************************************************** - * @attention - * - * Copyright (c) 2016 STMicroelectronics. - * All rights reserved. - * - * This software is licensed under terms that can be found in the LICENSE file - * in the root directory of this software component. - * If no LICENSE file comes with this software, it is provided AS-IS. - * - ****************************************************************************** - */ - -/* Define to prevent recursive inclusion -------------------------------------*/ -#ifndef __STM32F4xx_HAL_I2C_H -#define __STM32F4xx_HAL_I2C_H - -#ifdef __cplusplus -extern "C" { -#endif - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f4xx_hal_def.h" - -/** @addtogroup STM32F4xx_HAL_Driver - * @{ - */ - -/** @addtogroup I2C - * @{ - */ - -/* Exported types ------------------------------------------------------------*/ -/** @defgroup I2C_Exported_Types I2C Exported Types - * @{ - */ - -/** @defgroup I2C_Configuration_Structure_definition I2C Configuration Structure definition - * @brief I2C Configuration Structure definition - * @{ - */ -typedef struct -{ - uint32_t ClockSpeed; /*!< Specifies the clock frequency. - This parameter must be set to a value lower than 400kHz */ - - uint32_t DutyCycle; /*!< Specifies the I2C fast mode duty cycle. - This parameter can be a value of @ref I2C_duty_cycle_in_fast_mode */ - - uint32_t OwnAddress1; /*!< Specifies the first device own address. - This parameter can be a 7-bit or 10-bit address. */ - - uint32_t AddressingMode; /*!< Specifies if 7-bit or 10-bit addressing mode is selected. - This parameter can be a value of @ref I2C_addressing_mode */ - - uint32_t DualAddressMode; /*!< Specifies if dual addressing mode is selected. - This parameter can be a value of @ref I2C_dual_addressing_mode */ - - uint32_t OwnAddress2; /*!< Specifies the second device own address if dual addressing mode is selected - This parameter can be a 7-bit address. */ - - uint32_t GeneralCallMode; /*!< Specifies if general call mode is selected. - This parameter can be a value of @ref I2C_general_call_addressing_mode */ - - uint32_t NoStretchMode; /*!< Specifies if nostretch mode is selected. - This parameter can be a value of @ref I2C_nostretch_mode */ - -} I2C_InitTypeDef; - -/** - * @} - */ - -/** @defgroup HAL_state_structure_definition HAL state structure definition - * @brief HAL State structure definition - * @note HAL I2C State value coding follow below described bitmap : - * b7-b6 Error information - * 00 : No Error - * 01 : Abort (Abort user request on going) - * 10 : Timeout - * 11 : Error - * b5 Peripheral initialization status - * 0 : Reset (Peripheral not initialized) - * 1 : Init done (Peripheral initialized and ready to use. HAL I2C Init function called) - * b4 (not used) - * x : Should be set to 0 - * b3 - * 0 : Ready or Busy (No Listen mode ongoing) - * 1 : Listen (Peripheral in Address Listen Mode) - * b2 Intrinsic process state - * 0 : Ready - * 1 : Busy (Peripheral busy with some configuration or internal operations) - * b1 Rx state - * 0 : Ready (no Rx operation ongoing) - * 1 : Busy (Rx operation ongoing) - * b0 Tx state - * 0 : Ready (no Tx operation ongoing) - * 1 : Busy (Tx operation ongoing) - * @{ - */ -typedef enum -{ - HAL_I2C_STATE_RESET = 0x00U, /*!< Peripheral is not yet Initialized */ - HAL_I2C_STATE_READY = 0x20U, /*!< Peripheral Initialized and ready for use */ - HAL_I2C_STATE_BUSY = 0x24U, /*!< An internal process is ongoing */ - HAL_I2C_STATE_BUSY_TX = 0x21U, /*!< Data Transmission process is ongoing */ - HAL_I2C_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing */ - HAL_I2C_STATE_LISTEN = 0x28U, /*!< Address Listen Mode is ongoing */ - HAL_I2C_STATE_BUSY_TX_LISTEN = 0x29U, /*!< Address Listen Mode and Data Transmission - process is ongoing */ - HAL_I2C_STATE_BUSY_RX_LISTEN = 0x2AU, /*!< Address Listen Mode and Data Reception - process is ongoing */ - HAL_I2C_STATE_ABORT = 0x60U, /*!< Abort user request ongoing */ - HAL_I2C_STATE_TIMEOUT = 0xA0U, /*!< Timeout state */ - HAL_I2C_STATE_ERROR = 0xE0U /*!< Error */ - -} HAL_I2C_StateTypeDef; - -/** - * @} - */ - -/** @defgroup HAL_mode_structure_definition HAL mode structure definition - * @brief HAL Mode structure definition - * @note HAL I2C Mode value coding follow below described bitmap :\n - * b7 (not used)\n - * x : Should be set to 0\n - * b6\n - * 0 : None\n - * 1 : Memory (HAL I2C communication is in Memory Mode)\n - * b5\n - * 0 : None\n - * 1 : Slave (HAL I2C communication is in Slave Mode)\n - * b4\n - * 0 : None\n - * 1 : Master (HAL I2C communication is in Master Mode)\n - * b3-b2-b1-b0 (not used)\n - * xxxx : Should be set to 0000 - * @{ - */ -typedef enum -{ - HAL_I2C_MODE_NONE = 0x00U, /*!< No I2C communication on going */ - HAL_I2C_MODE_MASTER = 0x10U, /*!< I2C communication is in Master Mode */ - HAL_I2C_MODE_SLAVE = 0x20U, /*!< I2C communication is in Slave Mode */ - HAL_I2C_MODE_MEM = 0x40U /*!< I2C communication is in Memory Mode */ - -} HAL_I2C_ModeTypeDef; - -/** - * @} - */ - -/** @defgroup I2C_Error_Code_definition I2C Error Code definition - * @brief I2C Error Code definition - * @{ - */ -#define HAL_I2C_ERROR_NONE 0x00000000U /*!< No error */ -#define HAL_I2C_ERROR_BERR 0x00000001U /*!< BERR error */ -#define HAL_I2C_ERROR_ARLO 0x00000002U /*!< ARLO error */ -#define HAL_I2C_ERROR_AF 0x00000004U /*!< AF error */ -#define HAL_I2C_ERROR_OVR 0x00000008U /*!< OVR error */ -#define HAL_I2C_ERROR_DMA 0x00000010U /*!< DMA transfer error */ -#define HAL_I2C_ERROR_TIMEOUT 0x00000020U /*!< Timeout Error */ -#define HAL_I2C_ERROR_SIZE 0x00000040U /*!< Size Management error */ -#define HAL_I2C_ERROR_DMA_PARAM 0x00000080U /*!< DMA Parameter Error */ -#define HAL_I2C_WRONG_START 0x00000200U /*!< Wrong start Error */ -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) -#define HAL_I2C_ERROR_INVALID_CALLBACK 0x00000100U /*!< Invalid Callback error */ -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ -/** - * @} - */ - -/** @defgroup I2C_handle_Structure_definition I2C handle Structure definition - * @brief I2C handle Structure definition - * @{ - */ -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) -typedef struct __I2C_HandleTypeDef -#else -typedef struct -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ -{ - I2C_TypeDef *Instance; /*!< I2C registers base address */ - - I2C_InitTypeDef Init; /*!< I2C communication parameters */ - - uint8_t *pBuffPtr; /*!< Pointer to I2C transfer buffer */ - - uint16_t XferSize; /*!< I2C transfer size */ - - __IO uint16_t XferCount; /*!< I2C transfer counter */ - - __IO uint32_t XferOptions; /*!< I2C transfer options */ - - __IO uint32_t PreviousState; /*!< I2C communication Previous state and mode - context for internal usage */ - - DMA_HandleTypeDef *hdmatx; /*!< I2C Tx DMA handle parameters */ - - DMA_HandleTypeDef *hdmarx; /*!< I2C Rx DMA handle parameters */ - - HAL_LockTypeDef Lock; /*!< I2C locking object */ - - __IO HAL_I2C_StateTypeDef State; /*!< I2C communication state */ - - __IO HAL_I2C_ModeTypeDef Mode; /*!< I2C communication mode */ - - __IO uint32_t ErrorCode; /*!< I2C Error code */ - - __IO uint32_t Devaddress; /*!< I2C Target device address */ - - __IO uint32_t Memaddress; /*!< I2C Target memory address */ - - __IO uint32_t MemaddSize; /*!< I2C Target memory address size */ - - __IO uint32_t EventCount; /*!< I2C Event counter */ - - -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - void (* MasterTxCpltCallback)(struct __I2C_HandleTypeDef *hi2c); /*!< I2C Master Tx Transfer completed callback */ - void (* MasterRxCpltCallback)(struct __I2C_HandleTypeDef *hi2c); /*!< I2C Master Rx Transfer completed callback */ - void (* SlaveTxCpltCallback)(struct __I2C_HandleTypeDef *hi2c); /*!< I2C Slave Tx Transfer completed callback */ - void (* SlaveRxCpltCallback)(struct __I2C_HandleTypeDef *hi2c); /*!< I2C Slave Rx Transfer completed callback */ - void (* ListenCpltCallback)(struct __I2C_HandleTypeDef *hi2c); /*!< I2C Listen Complete callback */ - void (* MemTxCpltCallback)(struct __I2C_HandleTypeDef *hi2c); /*!< I2C Memory Tx Transfer completed callback */ - void (* MemRxCpltCallback)(struct __I2C_HandleTypeDef *hi2c); /*!< I2C Memory Rx Transfer completed callback */ - void (* ErrorCallback)(struct __I2C_HandleTypeDef *hi2c); /*!< I2C Error callback */ - void (* AbortCpltCallback)(struct __I2C_HandleTypeDef *hi2c); /*!< I2C Abort callback */ - - void (* AddrCallback)(struct __I2C_HandleTypeDef *hi2c, uint8_t TransferDirection, uint16_t AddrMatchCode); /*!< I2C Slave Address Match callback */ - - void (* MspInitCallback)(struct __I2C_HandleTypeDef *hi2c); /*!< I2C Msp Init callback */ - void (* MspDeInitCallback)(struct __I2C_HandleTypeDef *hi2c); /*!< I2C Msp DeInit callback */ - -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ -} I2C_HandleTypeDef; - -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) -/** - * @brief HAL I2C Callback ID enumeration definition - */ -typedef enum -{ - HAL_I2C_MASTER_TX_COMPLETE_CB_ID = 0x00U, /*!< I2C Master Tx Transfer completed callback ID */ - HAL_I2C_MASTER_RX_COMPLETE_CB_ID = 0x01U, /*!< I2C Master Rx Transfer completed callback ID */ - HAL_I2C_SLAVE_TX_COMPLETE_CB_ID = 0x02U, /*!< I2C Slave Tx Transfer completed callback ID */ - HAL_I2C_SLAVE_RX_COMPLETE_CB_ID = 0x03U, /*!< I2C Slave Rx Transfer completed callback ID */ - HAL_I2C_LISTEN_COMPLETE_CB_ID = 0x04U, /*!< I2C Listen Complete callback ID */ - HAL_I2C_MEM_TX_COMPLETE_CB_ID = 0x05U, /*!< I2C Memory Tx Transfer callback ID */ - HAL_I2C_MEM_RX_COMPLETE_CB_ID = 0x06U, /*!< I2C Memory Rx Transfer completed callback ID */ - HAL_I2C_ERROR_CB_ID = 0x07U, /*!< I2C Error callback ID */ - HAL_I2C_ABORT_CB_ID = 0x08U, /*!< I2C Abort callback ID */ - - HAL_I2C_MSPINIT_CB_ID = 0x09U, /*!< I2C Msp Init callback ID */ - HAL_I2C_MSPDEINIT_CB_ID = 0x0AU /*!< I2C Msp DeInit callback ID */ - -} HAL_I2C_CallbackIDTypeDef; - -/** - * @brief HAL I2C Callback pointer definition - */ -typedef void (*pI2C_CallbackTypeDef)(I2C_HandleTypeDef *hi2c); /*!< pointer to an I2C callback function */ -typedef void (*pI2C_AddrCallbackTypeDef)(I2C_HandleTypeDef *hi2c, uint8_t TransferDirection, uint16_t AddrMatchCode); /*!< pointer to an I2C Address Match callback function */ - -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ -/** - * @} - */ - -/** - * @} - */ -/* Exported constants --------------------------------------------------------*/ - -/** @defgroup I2C_Exported_Constants I2C Exported Constants - * @{ - */ - -/** @defgroup I2C_duty_cycle_in_fast_mode I2C duty cycle in fast mode - * @{ - */ -#define I2C_DUTYCYCLE_2 0x00000000U -#define I2C_DUTYCYCLE_16_9 I2C_CCR_DUTY -/** - * @} - */ - -/** @defgroup I2C_addressing_mode I2C addressing mode - * @{ - */ -#define I2C_ADDRESSINGMODE_7BIT 0x00004000U -#define I2C_ADDRESSINGMODE_10BIT (I2C_OAR1_ADDMODE | 0x00004000U) -/** - * @} - */ - -/** @defgroup I2C_dual_addressing_mode I2C dual addressing mode - * @{ - */ -#define I2C_DUALADDRESS_DISABLE 0x00000000U -#define I2C_DUALADDRESS_ENABLE I2C_OAR2_ENDUAL -/** - * @} - */ - -/** @defgroup I2C_general_call_addressing_mode I2C general call addressing mode - * @{ - */ -#define I2C_GENERALCALL_DISABLE 0x00000000U -#define I2C_GENERALCALL_ENABLE I2C_CR1_ENGC -/** - * @} - */ - -/** @defgroup I2C_nostretch_mode I2C nostretch mode - * @{ - */ -#define I2C_NOSTRETCH_DISABLE 0x00000000U -#define I2C_NOSTRETCH_ENABLE I2C_CR1_NOSTRETCH -/** - * @} - */ - -/** @defgroup I2C_Memory_Address_Size I2C Memory Address Size - * @{ - */ -#define I2C_MEMADD_SIZE_8BIT 0x00000001U -#define I2C_MEMADD_SIZE_16BIT 0x00000010U -/** - * @} - */ - -/** @defgroup I2C_XferDirection_definition I2C XferDirection definition - * @{ - */ -#define I2C_DIRECTION_RECEIVE 0x00000000U -#define I2C_DIRECTION_TRANSMIT 0x00000001U -/** - * @} - */ - -/** @defgroup I2C_XferOptions_definition I2C XferOptions definition - * @{ - */ -#define I2C_FIRST_FRAME 0x00000001U -#define I2C_FIRST_AND_NEXT_FRAME 0x00000002U -#define I2C_NEXT_FRAME 0x00000004U -#define I2C_FIRST_AND_LAST_FRAME 0x00000008U -#define I2C_LAST_FRAME_NO_STOP 0x00000010U -#define I2C_LAST_FRAME 0x00000020U - -/* List of XferOptions in usage of : - * 1- Restart condition in all use cases (direction change or not) - */ -#define I2C_OTHER_FRAME (0x00AA0000U) -#define I2C_OTHER_AND_LAST_FRAME (0xAA000000U) -/** - * @} - */ - -/** @defgroup I2C_Interrupt_configuration_definition I2C Interrupt configuration definition - * @brief I2C Interrupt definition - * Elements values convention: 0xXXXXXXXX - * - XXXXXXXX : Interrupt control mask - * @{ - */ -#define I2C_IT_BUF I2C_CR2_ITBUFEN -#define I2C_IT_EVT I2C_CR2_ITEVTEN -#define I2C_IT_ERR I2C_CR2_ITERREN -/** - * @} - */ - -/** @defgroup I2C_Flag_definition I2C Flag definition - * @{ - */ - -#define I2C_FLAG_OVR 0x00010800U -#define I2C_FLAG_AF 0x00010400U -#define I2C_FLAG_ARLO 0x00010200U -#define I2C_FLAG_BERR 0x00010100U -#define I2C_FLAG_TXE 0x00010080U -#define I2C_FLAG_RXNE 0x00010040U -#define I2C_FLAG_STOPF 0x00010010U -#define I2C_FLAG_ADD10 0x00010008U -#define I2C_FLAG_BTF 0x00010004U -#define I2C_FLAG_ADDR 0x00010002U -#define I2C_FLAG_SB 0x00010001U -#define I2C_FLAG_DUALF 0x00100080U -#define I2C_FLAG_GENCALL 0x00100010U -#define I2C_FLAG_TRA 0x00100004U -#define I2C_FLAG_BUSY 0x00100002U -#define I2C_FLAG_MSL 0x00100001U -/** - * @} - */ - -/** - * @} - */ - -/* Exported macros -----------------------------------------------------------*/ - -/** @defgroup I2C_Exported_Macros I2C Exported Macros - * @{ - */ - -/** @brief Reset I2C handle state. - * @param __HANDLE__ specifies the I2C Handle. - * @retval None - */ -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) -#define __HAL_I2C_RESET_HANDLE_STATE(__HANDLE__) do{ \ - (__HANDLE__)->State = HAL_I2C_STATE_RESET; \ - (__HANDLE__)->MspInitCallback = NULL; \ - (__HANDLE__)->MspDeInitCallback = NULL; \ - } while(0) -#else -#define __HAL_I2C_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2C_STATE_RESET) -#endif - -/** @brief Enable or disable the specified I2C interrupts. - * @param __HANDLE__ specifies the I2C Handle. - * @param __INTERRUPT__ specifies the interrupt source to enable or disable. - * This parameter can be one of the following values: - * @arg I2C_IT_BUF: Buffer interrupt enable - * @arg I2C_IT_EVT: Event interrupt enable - * @arg I2C_IT_ERR: Error interrupt enable - * @retval None - */ -#define __HAL_I2C_ENABLE_IT(__HANDLE__, __INTERRUPT__) SET_BIT((__HANDLE__)->Instance->CR2,(__INTERRUPT__)) -#define __HAL_I2C_DISABLE_IT(__HANDLE__, __INTERRUPT__) CLEAR_BIT((__HANDLE__)->Instance->CR2, (__INTERRUPT__)) - -/** @brief Checks if the specified I2C interrupt source is enabled or disabled. - * @param __HANDLE__ specifies the I2C Handle. - * @param __INTERRUPT__ specifies the I2C interrupt source to check. - * This parameter can be one of the following values: - * @arg I2C_IT_BUF: Buffer interrupt enable - * @arg I2C_IT_EVT: Event interrupt enable - * @arg I2C_IT_ERR: Error interrupt enable - * @retval The new state of __INTERRUPT__ (TRUE or FALSE). - */ -#define __HAL_I2C_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR2 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET) - -/** @brief Checks whether the specified I2C flag is set or not. - * @param __HANDLE__ specifies the I2C Handle. - * @param __FLAG__ specifies the flag to check. - * This parameter can be one of the following values: - * @arg I2C_FLAG_OVR: Overrun/Underrun flag - * @arg I2C_FLAG_AF: Acknowledge failure flag - * @arg I2C_FLAG_ARLO: Arbitration lost flag - * @arg I2C_FLAG_BERR: Bus error flag - * @arg I2C_FLAG_TXE: Data register empty flag - * @arg I2C_FLAG_RXNE: Data register not empty flag - * @arg I2C_FLAG_STOPF: Stop detection flag - * @arg I2C_FLAG_ADD10: 10-bit header sent flag - * @arg I2C_FLAG_BTF: Byte transfer finished flag - * @arg I2C_FLAG_ADDR: Address sent flag - * Address matched flag - * @arg I2C_FLAG_SB: Start bit flag - * @arg I2C_FLAG_DUALF: Dual flag - * @arg I2C_FLAG_GENCALL: General call header flag - * @arg I2C_FLAG_TRA: Transmitter/Receiver flag - * @arg I2C_FLAG_BUSY: Bus busy flag - * @arg I2C_FLAG_MSL: Master/Slave flag - * @retval The new state of __FLAG__ (TRUE or FALSE). - */ -#define __HAL_I2C_GET_FLAG(__HANDLE__, __FLAG__) ((((uint8_t)((__FLAG__) >> 16U)) == 0x01U) ? \ - (((((__HANDLE__)->Instance->SR1) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK)) ? SET : RESET) : \ - (((((__HANDLE__)->Instance->SR2) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK)) ? SET : RESET)) - -/** @brief Clears the I2C pending flags which are cleared by writing 0 in a specific bit. - * @param __HANDLE__ specifies the I2C Handle. - * @param __FLAG__ specifies the flag to clear. - * This parameter can be any combination of the following values: - * @arg I2C_FLAG_OVR: Overrun/Underrun flag (Slave mode) - * @arg I2C_FLAG_AF: Acknowledge failure flag - * @arg I2C_FLAG_ARLO: Arbitration lost flag (Master mode) - * @arg I2C_FLAG_BERR: Bus error flag - * @retval None - */ -#define __HAL_I2C_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR1 = ~((__FLAG__) & I2C_FLAG_MASK)) - -/** @brief Clears the I2C ADDR pending flag. - * @param __HANDLE__ specifies the I2C Handle. - * This parameter can be I2C where x: 1, 2, or 3 to select the I2C peripheral. - * @retval None - */ -#define __HAL_I2C_CLEAR_ADDRFLAG(__HANDLE__) \ - do{ \ - __IO uint32_t tmpreg = 0x00U; \ - tmpreg = (__HANDLE__)->Instance->SR1; \ - tmpreg = (__HANDLE__)->Instance->SR2; \ - UNUSED(tmpreg); \ - } while(0) - -/** @brief Clears the I2C STOPF pending flag. - * @param __HANDLE__ specifies the I2C Handle. - * @retval None - */ -#define __HAL_I2C_CLEAR_STOPFLAG(__HANDLE__) \ - do{ \ - __IO uint32_t tmpreg = 0x00U; \ - tmpreg = (__HANDLE__)->Instance->SR1; \ - SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE); \ - UNUSED(tmpreg); \ - } while(0) - -/** @brief Enable the specified I2C peripheral. - * @param __HANDLE__ specifies the I2C Handle. - * @retval None - */ -#define __HAL_I2C_ENABLE(__HANDLE__) SET_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE) - -/** @brief Disable the specified I2C peripheral. - * @param __HANDLE__ specifies the I2C Handle. - * @retval None - */ -#define __HAL_I2C_DISABLE(__HANDLE__) CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE) - -/** - * @} - */ - -/* Include I2C HAL Extension module */ -#include "stm32f4xx_hal_i2c_ex.h" - -/* Exported functions --------------------------------------------------------*/ -/** @addtogroup I2C_Exported_Functions - * @{ - */ - -/** @addtogroup I2C_Exported_Functions_Group1 Initialization and de-initialization functions - * @{ - */ -/* Initialization and de-initialization functions******************************/ -HAL_StatusTypeDef HAL_I2C_Init(I2C_HandleTypeDef *hi2c); -HAL_StatusTypeDef HAL_I2C_DeInit(I2C_HandleTypeDef *hi2c); -void HAL_I2C_MspInit(I2C_HandleTypeDef *hi2c); -void HAL_I2C_MspDeInit(I2C_HandleTypeDef *hi2c); - -/* Callbacks Register/UnRegister functions ***********************************/ -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) -HAL_StatusTypeDef HAL_I2C_RegisterCallback(I2C_HandleTypeDef *hi2c, HAL_I2C_CallbackIDTypeDef CallbackID, pI2C_CallbackTypeDef pCallback); -HAL_StatusTypeDef HAL_I2C_UnRegisterCallback(I2C_HandleTypeDef *hi2c, HAL_I2C_CallbackIDTypeDef CallbackID); - -HAL_StatusTypeDef HAL_I2C_RegisterAddrCallback(I2C_HandleTypeDef *hi2c, pI2C_AddrCallbackTypeDef pCallback); -HAL_StatusTypeDef HAL_I2C_UnRegisterAddrCallback(I2C_HandleTypeDef *hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ -/** - * @} - */ - -/** @addtogroup I2C_Exported_Functions_Group2 Input and Output operation functions - * @{ - */ -/* IO operation functions ****************************************************/ -/******* Blocking mode: Polling */ -HAL_StatusTypeDef HAL_I2C_Master_Transmit(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout); -HAL_StatusTypeDef HAL_I2C_Master_Receive(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout); -HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout); -HAL_StatusTypeDef HAL_I2C_Slave_Receive(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout); -HAL_StatusTypeDef HAL_I2C_Mem_Write(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout); -HAL_StatusTypeDef HAL_I2C_Mem_Read(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout); -HAL_StatusTypeDef HAL_I2C_IsDeviceReady(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Trials, uint32_t Timeout); - -/******* Non-Blocking mode: Interrupt */ -HAL_StatusTypeDef HAL_I2C_Master_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size); -HAL_StatusTypeDef HAL_I2C_Master_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size); -HAL_StatusTypeDef HAL_I2C_Slave_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size); -HAL_StatusTypeDef HAL_I2C_Slave_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size); -HAL_StatusTypeDef HAL_I2C_Mem_Write_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size); -HAL_StatusTypeDef HAL_I2C_Mem_Read_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size); - -HAL_StatusTypeDef HAL_I2C_Master_Seq_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions); -HAL_StatusTypeDef HAL_I2C_Master_Seq_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions); -HAL_StatusTypeDef HAL_I2C_Slave_Seq_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t XferOptions); -HAL_StatusTypeDef HAL_I2C_Slave_Seq_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t XferOptions); -HAL_StatusTypeDef HAL_I2C_EnableListen_IT(I2C_HandleTypeDef *hi2c); -HAL_StatusTypeDef HAL_I2C_DisableListen_IT(I2C_HandleTypeDef *hi2c); -HAL_StatusTypeDef HAL_I2C_Master_Abort_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress); - -/******* Non-Blocking mode: DMA */ -HAL_StatusTypeDef HAL_I2C_Master_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size); -HAL_StatusTypeDef HAL_I2C_Master_Receive_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size); -HAL_StatusTypeDef HAL_I2C_Slave_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size); -HAL_StatusTypeDef HAL_I2C_Slave_Receive_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size); -HAL_StatusTypeDef HAL_I2C_Mem_Write_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size); -HAL_StatusTypeDef HAL_I2C_Mem_Read_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size); - -HAL_StatusTypeDef HAL_I2C_Master_Seq_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions); -HAL_StatusTypeDef HAL_I2C_Master_Seq_Receive_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions); -HAL_StatusTypeDef HAL_I2C_Slave_Seq_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t XferOptions); -HAL_StatusTypeDef HAL_I2C_Slave_Seq_Receive_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t XferOptions); -/** - * @} - */ - -/** @addtogroup I2C_IRQ_Handler_and_Callbacks IRQ Handler and Callbacks - * @{ - */ -/******* I2C IRQHandler and Callbacks used in non blocking modes (Interrupt and DMA) */ -void HAL_I2C_EV_IRQHandler(I2C_HandleTypeDef *hi2c); -void HAL_I2C_ER_IRQHandler(I2C_HandleTypeDef *hi2c); -void HAL_I2C_MasterTxCpltCallback(I2C_HandleTypeDef *hi2c); -void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef *hi2c); -void HAL_I2C_SlaveTxCpltCallback(I2C_HandleTypeDef *hi2c); -void HAL_I2C_SlaveRxCpltCallback(I2C_HandleTypeDef *hi2c); -void HAL_I2C_AddrCallback(I2C_HandleTypeDef *hi2c, uint8_t TransferDirection, uint16_t AddrMatchCode); -void HAL_I2C_ListenCpltCallback(I2C_HandleTypeDef *hi2c); -void HAL_I2C_MemTxCpltCallback(I2C_HandleTypeDef *hi2c); -void HAL_I2C_MemRxCpltCallback(I2C_HandleTypeDef *hi2c); -void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c); -void HAL_I2C_AbortCpltCallback(I2C_HandleTypeDef *hi2c); -/** - * @} - */ - -/** @addtogroup I2C_Exported_Functions_Group3 Peripheral State, Mode and Error functions - * @{ - */ -/* Peripheral State, Mode and Error functions *********************************/ -HAL_I2C_StateTypeDef HAL_I2C_GetState(I2C_HandleTypeDef *hi2c); -HAL_I2C_ModeTypeDef HAL_I2C_GetMode(I2C_HandleTypeDef *hi2c); -uint32_t HAL_I2C_GetError(I2C_HandleTypeDef *hi2c); - -/** - * @} - */ - -/** - * @} - */ -/* Private types -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private constants ---------------------------------------------------------*/ -/** @defgroup I2C_Private_Constants I2C Private Constants - * @{ - */ -#define I2C_FLAG_MASK 0x0000FFFFU -#define I2C_MIN_PCLK_FREQ_STANDARD 2000000U /*!< 2 MHz */ -#define I2C_MIN_PCLK_FREQ_FAST 4000000U /*!< 4 MHz */ -/** - * @} - */ - -/* Private macros ------------------------------------------------------------*/ -/** @defgroup I2C_Private_Macros I2C Private Macros - * @{ - */ - -#define I2C_MIN_PCLK_FREQ(__PCLK__, __SPEED__) (((__SPEED__) <= 100000U) ? ((__PCLK__) < I2C_MIN_PCLK_FREQ_STANDARD) : ((__PCLK__) < I2C_MIN_PCLK_FREQ_FAST)) -#define I2C_CCR_CALCULATION(__PCLK__, __SPEED__, __COEFF__) (((((__PCLK__) - 1U)/((__SPEED__) * (__COEFF__))) + 1U) & I2C_CCR_CCR) -#define I2C_FREQRANGE(__PCLK__) ((__PCLK__)/1000000U) -#define I2C_RISE_TIME(__FREQRANGE__, __SPEED__) (((__SPEED__) <= 100000U) ? ((__FREQRANGE__) + 1U) : ((((__FREQRANGE__) * 300U) / 1000U) + 1U)) -#define I2C_SPEED_STANDARD(__PCLK__, __SPEED__) ((I2C_CCR_CALCULATION((__PCLK__), (__SPEED__), 2U) < 4U)? 4U:I2C_CCR_CALCULATION((__PCLK__), (__SPEED__), 2U)) -#define I2C_SPEED_FAST(__PCLK__, __SPEED__, __DUTYCYCLE__) (((__DUTYCYCLE__) == I2C_DUTYCYCLE_2)? I2C_CCR_CALCULATION((__PCLK__), (__SPEED__), 3U) : (I2C_CCR_CALCULATION((__PCLK__), (__SPEED__), 25U) | I2C_DUTYCYCLE_16_9)) -#define I2C_SPEED(__PCLK__, __SPEED__, __DUTYCYCLE__) (((__SPEED__) <= 100000U)? (I2C_SPEED_STANDARD((__PCLK__), (__SPEED__))) : \ - ((I2C_SPEED_FAST((__PCLK__), (__SPEED__), (__DUTYCYCLE__)) & I2C_CCR_CCR) == 0U)? 1U : \ - ((I2C_SPEED_FAST((__PCLK__), (__SPEED__), (__DUTYCYCLE__))) | I2C_CCR_FS)) - -#define I2C_7BIT_ADD_WRITE(__ADDRESS__) ((uint8_t)((__ADDRESS__) & (uint8_t)(~I2C_OAR1_ADD0))) -#define I2C_7BIT_ADD_READ(__ADDRESS__) ((uint8_t)((__ADDRESS__) | I2C_OAR1_ADD0)) - -#define I2C_10BIT_ADDRESS(__ADDRESS__) ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)0x00FF))) -#define I2C_10BIT_HEADER_WRITE(__ADDRESS__) ((uint8_t)((uint16_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)0x0300)) >> 7) | (uint16_t)0x00F0))) -#define I2C_10BIT_HEADER_READ(__ADDRESS__) ((uint8_t)((uint16_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)0x0300)) >> 7) | (uint16_t)(0x00F1)))) - -#define I2C_MEM_ADD_MSB(__ADDRESS__) ((uint8_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)0xFF00)) >> 8))) -#define I2C_MEM_ADD_LSB(__ADDRESS__) ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)0x00FF))) - -/** @defgroup I2C_IS_RTC_Definitions I2C Private macros to check input parameters - * @{ - */ -#define IS_I2C_DUTY_CYCLE(CYCLE) (((CYCLE) == I2C_DUTYCYCLE_2) || \ - ((CYCLE) == I2C_DUTYCYCLE_16_9)) -#define IS_I2C_ADDRESSING_MODE(ADDRESS) (((ADDRESS) == I2C_ADDRESSINGMODE_7BIT) || \ - ((ADDRESS) == I2C_ADDRESSINGMODE_10BIT)) -#define IS_I2C_DUAL_ADDRESS(ADDRESS) (((ADDRESS) == I2C_DUALADDRESS_DISABLE) || \ - ((ADDRESS) == I2C_DUALADDRESS_ENABLE)) -#define IS_I2C_GENERAL_CALL(CALL) (((CALL) == I2C_GENERALCALL_DISABLE) || \ - ((CALL) == I2C_GENERALCALL_ENABLE)) -#define IS_I2C_NO_STRETCH(STRETCH) (((STRETCH) == I2C_NOSTRETCH_DISABLE) || \ - ((STRETCH) == I2C_NOSTRETCH_ENABLE)) -#define IS_I2C_MEMADD_SIZE(SIZE) (((SIZE) == I2C_MEMADD_SIZE_8BIT) || \ - ((SIZE) == I2C_MEMADD_SIZE_16BIT)) -#define IS_I2C_CLOCK_SPEED(SPEED) (((SPEED) > 0U) && ((SPEED) <= 400000U)) -#define IS_I2C_OWN_ADDRESS1(ADDRESS1) (((ADDRESS1) & 0xFFFFFC00U) == 0U) -#define IS_I2C_OWN_ADDRESS2(ADDRESS2) (((ADDRESS2) & 0xFFFFFF01U) == 0U) -#define IS_I2C_TRANSFER_OPTIONS_REQUEST(REQUEST) (((REQUEST) == I2C_FIRST_FRAME) || \ - ((REQUEST) == I2C_FIRST_AND_NEXT_FRAME) || \ - ((REQUEST) == I2C_NEXT_FRAME) || \ - ((REQUEST) == I2C_FIRST_AND_LAST_FRAME) || \ - ((REQUEST) == I2C_LAST_FRAME) || \ - ((REQUEST) == I2C_LAST_FRAME_NO_STOP) || \ - IS_I2C_TRANSFER_OTHER_OPTIONS_REQUEST(REQUEST)) - -#define IS_I2C_TRANSFER_OTHER_OPTIONS_REQUEST(REQUEST) (((REQUEST) == I2C_OTHER_FRAME) || \ - ((REQUEST) == I2C_OTHER_AND_LAST_FRAME)) - -#define I2C_CHECK_FLAG(__ISR__, __FLAG__) ((((__ISR__) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK)) ? SET : RESET) -#define I2C_CHECK_IT_SOURCE(__CR1__, __IT__) ((((__CR1__) & (__IT__)) == (__IT__)) ? SET : RESET) -/** - * @} - */ - -/** - * @} - */ - -/* Private functions ---------------------------------------------------------*/ -/** @defgroup I2C_Private_Functions I2C Private Functions - * @{ - */ - -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ - -#ifdef __cplusplus -} -#endif - - -#endif /* __STM32F4xx_HAL_I2C_H */ - diff --git a/cubemx/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c_ex.h b/cubemx/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c_ex.h deleted file mode 100644 index e2ee7c8..0000000 --- a/cubemx/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_i2c_ex.h +++ /dev/null @@ -1,115 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f4xx_hal_i2c_ex.h - * @author MCD Application Team - * @brief Header file of I2C HAL Extension module. - ****************************************************************************** - * @attention - * - * Copyright (c) 2016 STMicroelectronics. - * All rights reserved. - * - * This software is licensed under terms that can be found in the LICENSE file - * in the root directory of this software component. - * If no LICENSE file comes with this software, it is provided AS-IS. - * - ****************************************************************************** - */ - -/* Define to prevent recursive inclusion -------------------------------------*/ -#ifndef __STM32F4xx_HAL_I2C_EX_H -#define __STM32F4xx_HAL_I2C_EX_H - -#ifdef __cplusplus -extern "C" { -#endif - -#if defined(I2C_FLTR_ANOFF)&&defined(I2C_FLTR_DNF) -/* Includes ------------------------------------------------------------------*/ -#include "stm32f4xx_hal_def.h" - -/** @addtogroup STM32F4xx_HAL_Driver - * @{ - */ - -/** @addtogroup I2CEx - * @{ - */ - -/* Exported types ------------------------------------------------------------*/ -/* Exported constants --------------------------------------------------------*/ -/** @defgroup I2CEx_Exported_Constants I2C Exported Constants - * @{ - */ - -/** @defgroup I2CEx_Analog_Filter I2C Analog Filter - * @{ - */ -#define I2C_ANALOGFILTER_ENABLE 0x00000000U -#define I2C_ANALOGFILTER_DISABLE I2C_FLTR_ANOFF -/** - * @} - */ - -/** - * @} - */ - -/* Exported macro ------------------------------------------------------------*/ -/* Exported functions --------------------------------------------------------*/ -/** @addtogroup I2CEx_Exported_Functions - * @{ - */ - -/** @addtogroup I2CEx_Exported_Functions_Group1 - * @{ - */ -/* Peripheral Control functions ************************************************/ -HAL_StatusTypeDef HAL_I2CEx_ConfigAnalogFilter(I2C_HandleTypeDef *hi2c, uint32_t AnalogFilter); -HAL_StatusTypeDef HAL_I2CEx_ConfigDigitalFilter(I2C_HandleTypeDef *hi2c, uint32_t DigitalFilter); -/** - * @} - */ - -/** - * @} - */ -/* Private types -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private constants ---------------------------------------------------------*/ -/** @defgroup I2CEx_Private_Constants I2C Private Constants - * @{ - */ - -/** - * @} - */ - -/* Private macros ------------------------------------------------------------*/ -/** @defgroup I2CEx_Private_Macros I2C Private Macros - * @{ - */ -#define IS_I2C_ANALOG_FILTER(FILTER) (((FILTER) == I2C_ANALOGFILTER_ENABLE) || \ - ((FILTER) == I2C_ANALOGFILTER_DISABLE)) -#define IS_I2C_DIGITAL_FILTER(FILTER) ((FILTER) <= 0x0000000FU) -/** - * @} - */ - -/** - * @} - */ - -/** - * @} - */ - -#endif - -#ifdef __cplusplus -} -#endif - -#endif /* __STM32F4xx_HAL_I2C_EX_H */ - - diff --git a/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/CMakeLists.txt b/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/CMakeLists.txt index 7f423f6..3acf111 100644 --- a/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/CMakeLists.txt +++ b/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/CMakeLists.txt @@ -8,8 +8,6 @@ target_sources(cubemx PRIVATE stm32f4xx_hal_flash_ex.c stm32f4xx_hal_flash_ramfunc.c stm32f4xx_hal_gpio.c - stm32f4xx_hal_i2c.c - stm32f4xx_hal_i2c_ex.c stm32f4xx_hal_pwr.c stm32f4xx_hal_pwr_ex.c stm32f4xx_hal_rcc.c @@ -17,4 +15,10 @@ target_sources(cubemx PRIVATE stm32f4xx_hal_tim.c stm32f4xx_hal_tim_ex.c stm32f4xx_hal_uart.c + stm32f4xx_ll_dma.c + stm32f4xx_ll_exti.c + stm32f4xx_ll_gpio.c + stm32f4xx_ll_i2c.c + stm32f4xx_ll_rcc.c + stm32f4xx_ll_utils.c ) diff --git a/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c.c b/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c.c deleted file mode 100644 index 9ad44f6..0000000 --- a/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c.c +++ /dev/null @@ -1,7567 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f4xx_hal_i2c.c - * @author MCD Application Team - * @brief I2C HAL module driver. - * This file provides firmware functions to manage the following - * functionalities of the Inter Integrated Circuit (I2C) peripheral: - * + Initialization and de-initialization functions - * + IO operation functions - * + Peripheral State, Mode and Error functions - * - ****************************************************************************** - * @attention - * - * Copyright (c) 2016 STMicroelectronics. - * All rights reserved. - * - * This software is licensed under terms that can be found in the LICENSE file - * in the root directory of this software component. - * If no LICENSE file comes with this software, it is provided AS-IS. - * - ****************************************************************************** - @verbatim - ============================================================================== - ##### How to use this driver ##### - ============================================================================== - [..] - The I2C HAL driver can be used as follows: - - (#) Declare a I2C_HandleTypeDef handle structure, for example: - I2C_HandleTypeDef hi2c; - - (#)Initialize the I2C low level resources by implementing the HAL_I2C_MspInit() API: - (##) Enable the I2Cx interface clock - (##) I2C pins configuration - (+++) Enable the clock for the I2C GPIOs - (+++) Configure I2C pins as alternate function open-drain - (##) NVIC configuration if you need to use interrupt process - (+++) Configure the I2Cx interrupt priority - (+++) Enable the NVIC I2C IRQ Channel - (##) DMA Configuration if you need to use DMA process - (+++) Declare a DMA_HandleTypeDef handle structure for the transmit or receive stream - (+++) Enable the DMAx interface clock using - (+++) Configure the DMA handle parameters - (+++) Configure the DMA Tx or Rx stream - (+++) Associate the initialized DMA handle to the hi2c DMA Tx or Rx handle - (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on - the DMA Tx or Rx stream - - (#) Configure the Communication Speed, Duty cycle, Addressing mode, Own Address1, - Dual Addressing mode, Own Address2, General call and Nostretch mode in the hi2c Init structure. - - (#) Initialize the I2C registers by calling the HAL_I2C_Init(), configures also the low level Hardware - (GPIO, CLOCK, NVIC...etc) by calling the customized HAL_I2C_MspInit() API. - - (#) To check if target device is ready for communication, use the function HAL_I2C_IsDeviceReady() - - (#) For I2C IO and IO MEM operations, three operation modes are available within this driver : - - *** Polling mode IO operation *** - ================================= - [..] - (+) Transmit in master mode an amount of data in blocking mode using HAL_I2C_Master_Transmit() - (+) Receive in master mode an amount of data in blocking mode using HAL_I2C_Master_Receive() - (+) Transmit in slave mode an amount of data in blocking mode using HAL_I2C_Slave_Transmit() - (+) Receive in slave mode an amount of data in blocking mode using HAL_I2C_Slave_Receive() - - *** Polling mode IO MEM operation *** - ===================================== - [..] - (+) Write an amount of data in blocking mode to a specific memory address using HAL_I2C_Mem_Write() - (+) Read an amount of data in blocking mode from a specific memory address using HAL_I2C_Mem_Read() - - - *** Interrupt mode IO operation *** - =================================== - [..] - (+) Transmit in master mode an amount of data in non-blocking mode using HAL_I2C_Master_Transmit_IT() - (+) At transmission end of transfer, HAL_I2C_MasterTxCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_I2C_MasterTxCpltCallback() - (+) Receive in master mode an amount of data in non-blocking mode using HAL_I2C_Master_Receive_IT() - (+) At reception end of transfer, HAL_I2C_MasterRxCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_I2C_MasterRxCpltCallback() - (+) Transmit in slave mode an amount of data in non-blocking mode using HAL_I2C_Slave_Transmit_IT() - (+) At transmission end of transfer, HAL_I2C_SlaveTxCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_I2C_SlaveTxCpltCallback() - (+) Receive in slave mode an amount of data in non-blocking mode using HAL_I2C_Slave_Receive_IT() - (+) At reception end of transfer, HAL_I2C_SlaveRxCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_I2C_SlaveRxCpltCallback() - (+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can - add his own code by customization of function pointer HAL_I2C_ErrorCallback() - (+) Abort a master or memory I2C process communication with Interrupt using HAL_I2C_Master_Abort_IT() - (+) End of abort process, HAL_I2C_AbortCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_I2C_AbortCpltCallback() - - *** Interrupt mode or DMA mode IO sequential operation *** - ========================================================== - [..] - (@) These interfaces allow to manage a sequential transfer with a repeated start condition - when a direction change during transfer - [..] - (+) A specific option field manage the different steps of a sequential transfer - (+) Option field values are defined through I2C_XferOptions_definition and are listed below: - (++) I2C_FIRST_AND_LAST_FRAME: No sequential usage, functional is same as associated interfaces in no sequential mode - (++) I2C_FIRST_FRAME: Sequential usage, this option allow to manage a sequence with start condition, address - and data to transfer without a final stop condition - (++) I2C_FIRST_AND_NEXT_FRAME: Sequential usage (Master only), this option allow to manage a sequence with start condition, address - and data to transfer without a final stop condition, an then permit a call the same master sequential interface - several times (like HAL_I2C_Master_Seq_Transmit_IT() then HAL_I2C_Master_Seq_Transmit_IT() - or HAL_I2C_Master_Seq_Transmit_DMA() then HAL_I2C_Master_Seq_Transmit_DMA()) - (++) I2C_NEXT_FRAME: Sequential usage, this option allow to manage a sequence with a restart condition, address - and with new data to transfer if the direction change or manage only the new data to transfer - if no direction change and without a final stop condition in both cases - (++) I2C_LAST_FRAME: Sequential usage, this option allow to manage a sequance with a restart condition, address - and with new data to transfer if the direction change or manage only the new data to transfer - if no direction change and with a final stop condition in both cases - (++) I2C_LAST_FRAME_NO_STOP: Sequential usage (Master only), this option allow to manage a restart condition after several call of the same master sequential - interface several times (link with option I2C_FIRST_AND_NEXT_FRAME). - Usage can, transfer several bytes one by one using HAL_I2C_Master_Seq_Transmit_IT(option I2C_FIRST_AND_NEXT_FRAME then I2C_NEXT_FRAME) - or HAL_I2C_Master_Seq_Receive_IT(option I2C_FIRST_AND_NEXT_FRAME then I2C_NEXT_FRAME) - or HAL_I2C_Master_Seq_Transmit_DMA(option I2C_FIRST_AND_NEXT_FRAME then I2C_NEXT_FRAME) - or HAL_I2C_Master_Seq_Receive_DMA(option I2C_FIRST_AND_NEXT_FRAME then I2C_NEXT_FRAME). - Then usage of this option I2C_LAST_FRAME_NO_STOP at the last Transmit or Receive sequence permit to call the opposite interface Receive or Transmit - without stopping the communication and so generate a restart condition. - (++) I2C_OTHER_FRAME: Sequential usage (Master only), this option allow to manage a restart condition after each call of the same master sequential - interface. - Usage can, transfer several bytes one by one with a restart with slave address between each bytes using HAL_I2C_Master_Seq_Transmit_IT(option I2C_FIRST_FRAME then I2C_OTHER_FRAME) - or HAL_I2C_Master_Seq_Receive_IT(option I2C_FIRST_FRAME then I2C_OTHER_FRAME) - or HAL_I2C_Master_Seq_Transmit_DMA(option I2C_FIRST_FRAME then I2C_OTHER_FRAME) - or HAL_I2C_Master_Seq_Receive_DMA(option I2C_FIRST_FRAME then I2C_OTHER_FRAME). - Then usage of this option I2C_OTHER_AND_LAST_FRAME at the last frame to help automatic generation of STOP condition. - - (+) Different sequential I2C interfaces are listed below: - (++) Sequential transmit in master I2C mode an amount of data in non-blocking mode using HAL_I2C_Master_Seq_Transmit_IT() - or using HAL_I2C_Master_Seq_Transmit_DMA() - (+++) At transmission end of current frame transfer, HAL_I2C_MasterTxCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_I2C_MasterTxCpltCallback() - (++) Sequential receive in master I2C mode an amount of data in non-blocking mode using HAL_I2C_Master_Seq_Receive_IT() - or using HAL_I2C_Master_Seq_Receive_DMA() - (+++) At reception end of current frame transfer, HAL_I2C_MasterRxCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_I2C_MasterRxCpltCallback() - (++) Abort a master or memory IT or DMA I2C process communication with Interrupt using HAL_I2C_Master_Abort_IT() - (+++) End of abort process, HAL_I2C_AbortCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_I2C_AbortCpltCallback() - (++) Enable/disable the Address listen mode in slave I2C mode using HAL_I2C_EnableListen_IT() HAL_I2C_DisableListen_IT() - (+++) When address slave I2C match, HAL_I2C_AddrCallback() is executed and user can - add his own code to check the Address Match Code and the transmission direction request by master (Write/Read). - (+++) At Listen mode end HAL_I2C_ListenCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_I2C_ListenCpltCallback() - (++) Sequential transmit in slave I2C mode an amount of data in non-blocking mode using HAL_I2C_Slave_Seq_Transmit_IT() - or using HAL_I2C_Slave_Seq_Transmit_DMA() - (+++) At transmission end of current frame transfer, HAL_I2C_SlaveTxCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_I2C_SlaveTxCpltCallback() - (++) Sequential receive in slave I2C mode an amount of data in non-blocking mode using HAL_I2C_Slave_Seq_Receive_IT() - or using HAL_I2C_Slave_Seq_Receive_DMA() - (+++) At reception end of current frame transfer, HAL_I2C_SlaveRxCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_I2C_SlaveRxCpltCallback() - (++) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can - add his own code by customization of function pointer HAL_I2C_ErrorCallback() - - *** Interrupt mode IO MEM operation *** - ======================================= - [..] - (+) Write an amount of data in non-blocking mode with Interrupt to a specific memory address using - HAL_I2C_Mem_Write_IT() - (+) At Memory end of write transfer, HAL_I2C_MemTxCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_I2C_MemTxCpltCallback() - (+) Read an amount of data in non-blocking mode with Interrupt from a specific memory address using - HAL_I2C_Mem_Read_IT() - (+) At Memory end of read transfer, HAL_I2C_MemRxCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_I2C_MemRxCpltCallback() - (+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can - add his own code by customization of function pointer HAL_I2C_ErrorCallback() - - *** DMA mode IO operation *** - ============================== - [..] - (+) Transmit in master mode an amount of data in non-blocking mode (DMA) using - HAL_I2C_Master_Transmit_DMA() - (+) At transmission end of transfer, HAL_I2C_MasterTxCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_I2C_MasterTxCpltCallback() - (+) Receive in master mode an amount of data in non-blocking mode (DMA) using - HAL_I2C_Master_Receive_DMA() - (+) At reception end of transfer, HAL_I2C_MasterRxCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_I2C_MasterRxCpltCallback() - (+) Transmit in slave mode an amount of data in non-blocking mode (DMA) using - HAL_I2C_Slave_Transmit_DMA() - (+) At transmission end of transfer, HAL_I2C_SlaveTxCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_I2C_SlaveTxCpltCallback() - (+) Receive in slave mode an amount of data in non-blocking mode (DMA) using - HAL_I2C_Slave_Receive_DMA() - (+) At reception end of transfer, HAL_I2C_SlaveRxCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_I2C_SlaveRxCpltCallback() - (+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can - add his own code by customization of function pointer HAL_I2C_ErrorCallback() - (+) Abort a master or memory I2C process communication with Interrupt using HAL_I2C_Master_Abort_IT() - (+) End of abort process, HAL_I2C_AbortCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_I2C_AbortCpltCallback() - - *** DMA mode IO MEM operation *** - ================================= - [..] - (+) Write an amount of data in non-blocking mode with DMA to a specific memory address using - HAL_I2C_Mem_Write_DMA() - (+) At Memory end of write transfer, HAL_I2C_MemTxCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_I2C_MemTxCpltCallback() - (+) Read an amount of data in non-blocking mode with DMA from a specific memory address using - HAL_I2C_Mem_Read_DMA() - (+) At Memory end of read transfer, HAL_I2C_MemRxCpltCallback() is executed and user can - add his own code by customization of function pointer HAL_I2C_MemRxCpltCallback() - (+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can - add his own code by customization of function pointer HAL_I2C_ErrorCallback() - - - *** I2C HAL driver macros list *** - ================================== - [..] - Below the list of most used macros in I2C HAL driver. - - (+) __HAL_I2C_ENABLE: Enable the I2C peripheral - (+) __HAL_I2C_DISABLE: Disable the I2C peripheral - (+) __HAL_I2C_GET_FLAG: Checks whether the specified I2C flag is set or not - (+) __HAL_I2C_CLEAR_FLAG: Clear the specified I2C pending flag - (+) __HAL_I2C_ENABLE_IT: Enable the specified I2C interrupt - (+) __HAL_I2C_DISABLE_IT: Disable the specified I2C interrupt - - *** Callback registration *** - ============================================= - [..] - The compilation flag USE_HAL_I2C_REGISTER_CALLBACKS when set to 1 - allows the user to configure dynamically the driver callbacks. - Use Functions HAL_I2C_RegisterCallback() or HAL_I2C_RegisterAddrCallback() - to register an interrupt callback. - [..] - Function HAL_I2C_RegisterCallback() allows to register following callbacks: - (+) MasterTxCpltCallback : callback for Master transmission end of transfer. - (+) MasterRxCpltCallback : callback for Master reception end of transfer. - (+) SlaveTxCpltCallback : callback for Slave transmission end of transfer. - (+) SlaveRxCpltCallback : callback for Slave reception end of transfer. - (+) ListenCpltCallback : callback for end of listen mode. - (+) MemTxCpltCallback : callback for Memory transmission end of transfer. - (+) MemRxCpltCallback : callback for Memory reception end of transfer. - (+) ErrorCallback : callback for error detection. - (+) AbortCpltCallback : callback for abort completion process. - (+) MspInitCallback : callback for Msp Init. - (+) MspDeInitCallback : callback for Msp DeInit. - This function takes as parameters the HAL peripheral handle, the Callback ID - and a pointer to the user callback function. - [..] - For specific callback AddrCallback use dedicated register callbacks : HAL_I2C_RegisterAddrCallback(). - [..] - Use function HAL_I2C_UnRegisterCallback to reset a callback to the default - weak function. - HAL_I2C_UnRegisterCallback takes as parameters the HAL peripheral handle, - and the Callback ID. - This function allows to reset following callbacks: - (+) MasterTxCpltCallback : callback for Master transmission end of transfer. - (+) MasterRxCpltCallback : callback for Master reception end of transfer. - (+) SlaveTxCpltCallback : callback for Slave transmission end of transfer. - (+) SlaveRxCpltCallback : callback for Slave reception end of transfer. - (+) ListenCpltCallback : callback for end of listen mode. - (+) MemTxCpltCallback : callback for Memory transmission end of transfer. - (+) MemRxCpltCallback : callback for Memory reception end of transfer. - (+) ErrorCallback : callback for error detection. - (+) AbortCpltCallback : callback for abort completion process. - (+) MspInitCallback : callback for Msp Init. - (+) MspDeInitCallback : callback for Msp DeInit. - [..] - For callback AddrCallback use dedicated register callbacks : HAL_I2C_UnRegisterAddrCallback(). - [..] - By default, after the HAL_I2C_Init() and when the state is HAL_I2C_STATE_RESET - all callbacks are set to the corresponding weak functions: - examples HAL_I2C_MasterTxCpltCallback(), HAL_I2C_MasterRxCpltCallback(). - Exception done for MspInit and MspDeInit functions that are - reset to the legacy weak functions in the HAL_I2C_Init()/ HAL_I2C_DeInit() only when - these callbacks are null (not registered beforehand). - If MspInit or MspDeInit are not null, the HAL_I2C_Init()/ HAL_I2C_DeInit() - keep and use the user MspInit/MspDeInit callbacks (registered beforehand) whatever the state. - [..] - Callbacks can be registered/unregistered in HAL_I2C_STATE_READY state only. - Exception done MspInit/MspDeInit functions that can be registered/unregistered - in HAL_I2C_STATE_READY or HAL_I2C_STATE_RESET state, - thus registered (user) MspInit/DeInit callbacks can be used during the Init/DeInit. - Then, the user first registers the MspInit/MspDeInit user callbacks - using HAL_I2C_RegisterCallback() before calling HAL_I2C_DeInit() - or HAL_I2C_Init() function. - [..] - When the compilation flag USE_HAL_I2C_REGISTER_CALLBACKS is set to 0 or - not defined, the callback registration feature is not available and all callbacks - are set to the corresponding weak functions. - - - - [..] - (@) You can refer to the I2C HAL driver header file for more useful macros - - @endverbatim - */ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f4xx_hal.h" - -/** @addtogroup STM32F4xx_HAL_Driver - * @{ - */ - -/** @defgroup I2C I2C - * @brief I2C HAL module driver - * @{ - */ - -#ifdef HAL_I2C_MODULE_ENABLED - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/** @defgroup I2C_Private_Define I2C Private Define - * @{ - */ -#define I2C_TIMEOUT_FLAG 35U /*!< Timeout 35 ms */ -#define I2C_TIMEOUT_BUSY_FLAG 25U /*!< Timeout 25 ms */ -#define I2C_TIMEOUT_STOP_FLAG 5U /*!< Timeout 5 ms */ -#define I2C_NO_OPTION_FRAME 0xFFFF0000U /*!< XferOptions default value */ - -/* Private define for @ref PreviousState usage */ -#define I2C_STATE_MSK ((uint32_t)((uint32_t)((uint32_t)HAL_I2C_STATE_BUSY_TX | (uint32_t)HAL_I2C_STATE_BUSY_RX) & (uint32_t)(~((uint32_t)HAL_I2C_STATE_READY)))) /*!< Mask State define, keep only RX and TX bits */ -#define I2C_STATE_NONE ((uint32_t)(HAL_I2C_MODE_NONE)) /*!< Default Value */ -#define I2C_STATE_MASTER_BUSY_TX ((uint32_t)(((uint32_t)HAL_I2C_STATE_BUSY_TX & I2C_STATE_MSK) | (uint32_t)HAL_I2C_MODE_MASTER)) /*!< Master Busy TX, combinaison of State LSB and Mode enum */ -#define I2C_STATE_MASTER_BUSY_RX ((uint32_t)(((uint32_t)HAL_I2C_STATE_BUSY_RX & I2C_STATE_MSK) | (uint32_t)HAL_I2C_MODE_MASTER)) /*!< Master Busy RX, combinaison of State LSB and Mode enum */ -#define I2C_STATE_SLAVE_BUSY_TX ((uint32_t)(((uint32_t)HAL_I2C_STATE_BUSY_TX & I2C_STATE_MSK) | (uint32_t)HAL_I2C_MODE_SLAVE)) /*!< Slave Busy TX, combinaison of State LSB and Mode enum */ -#define I2C_STATE_SLAVE_BUSY_RX ((uint32_t)(((uint32_t)HAL_I2C_STATE_BUSY_RX & I2C_STATE_MSK) | (uint32_t)HAL_I2C_MODE_SLAVE)) /*!< Slave Busy RX, combinaison of State LSB and Mode enum */ - -/** - * @} - */ - -/* Private macro -------------------------------------------------------------*/ -/** @addtogroup I2C_Private_Macros - * @{ - */ -/* Macro to get remaining data to transfer on DMA side */ -#define I2C_GET_DMA_REMAIN_DATA(__HANDLE__) __HAL_DMA_GET_COUNTER(__HANDLE__) -/** - * @} - */ -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ - -/** @defgroup I2C_Private_Functions I2C Private Functions - * @{ - */ -/* Private functions to handle DMA transfer */ -static void I2C_DMAXferCplt(DMA_HandleTypeDef *hdma); -static void I2C_DMAError(DMA_HandleTypeDef *hdma); -static void I2C_DMAAbort(DMA_HandleTypeDef *hdma); - -static void I2C_ITError(I2C_HandleTypeDef *hi2c); - -static HAL_StatusTypeDef I2C_MasterRequestWrite(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Timeout, uint32_t Tickstart); -static HAL_StatusTypeDef I2C_MasterRequestRead(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Timeout, uint32_t Tickstart); -static HAL_StatusTypeDef I2C_RequestMemoryWrite(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout, uint32_t Tickstart); -static HAL_StatusTypeDef I2C_RequestMemoryRead(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout, uint32_t Tickstart); - -/* Private functions to handle flags during polling transfer */ -static HAL_StatusTypeDef I2C_WaitOnFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Flag, FlagStatus Status, uint32_t Timeout, uint32_t Tickstart); -static HAL_StatusTypeDef I2C_WaitOnMasterAddressFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Flag, uint32_t Timeout, uint32_t Tickstart); -static HAL_StatusTypeDef I2C_WaitOnTXEFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout, uint32_t Tickstart); -static HAL_StatusTypeDef I2C_WaitOnBTFFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout, uint32_t Tickstart); -static HAL_StatusTypeDef I2C_WaitOnRXNEFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout, uint32_t Tickstart); -static HAL_StatusTypeDef I2C_WaitOnSTOPFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout, uint32_t Tickstart); -static HAL_StatusTypeDef I2C_WaitOnSTOPRequestThroughIT(I2C_HandleTypeDef *hi2c); -static HAL_StatusTypeDef I2C_IsAcknowledgeFailed(I2C_HandleTypeDef *hi2c); - -/* Private functions for I2C transfer IRQ handler */ -static void I2C_MasterTransmit_TXE(I2C_HandleTypeDef *hi2c); -static void I2C_MasterTransmit_BTF(I2C_HandleTypeDef *hi2c); -static void I2C_MasterReceive_RXNE(I2C_HandleTypeDef *hi2c); -static void I2C_MasterReceive_BTF(I2C_HandleTypeDef *hi2c); -static void I2C_Master_SB(I2C_HandleTypeDef *hi2c); -static void I2C_Master_ADD10(I2C_HandleTypeDef *hi2c); -static void I2C_Master_ADDR(I2C_HandleTypeDef *hi2c); - -static void I2C_SlaveTransmit_TXE(I2C_HandleTypeDef *hi2c); -static void I2C_SlaveTransmit_BTF(I2C_HandleTypeDef *hi2c); -static void I2C_SlaveReceive_RXNE(I2C_HandleTypeDef *hi2c); -static void I2C_SlaveReceive_BTF(I2C_HandleTypeDef *hi2c); -static void I2C_Slave_ADDR(I2C_HandleTypeDef *hi2c, uint32_t IT2Flags); -static void I2C_Slave_STOPF(I2C_HandleTypeDef *hi2c); -static void I2C_Slave_AF(I2C_HandleTypeDef *hi2c); - -static void I2C_MemoryTransmit_TXE_BTF(I2C_HandleTypeDef *hi2c); - -/* Private function to Convert Specific options */ -static void I2C_ConvertOtherXferOptions(I2C_HandleTypeDef *hi2c); - -/* Private function to flush DR register */ -static void I2C_Flush_DR(I2C_HandleTypeDef *hi2c); -/** - * @} - */ - -/* Exported functions --------------------------------------------------------*/ - -/** @defgroup I2C_Exported_Functions I2C Exported Functions - * @{ - */ - -/** @defgroup I2C_Exported_Functions_Group1 Initialization and de-initialization functions - * @brief Initialization and Configuration functions - * -@verbatim - =============================================================================== - ##### Initialization and de-initialization functions ##### - =============================================================================== - [..] This subsection provides a set of functions allowing to initialize and - deinitialize the I2Cx peripheral: - - (+) User must Implement HAL_I2C_MspInit() function in which he configures - all related peripherals resources (CLOCK, GPIO, DMA, IT and NVIC). - - (+) Call the function HAL_I2C_Init() to configure the selected device with - the selected configuration: - (++) Communication Speed - (++) Duty cycle - (++) Addressing mode - (++) Own Address 1 - (++) Dual Addressing mode - (++) Own Address 2 - (++) General call mode - (++) Nostretch mode - - (+) Call the function HAL_I2C_DeInit() to restore the default configuration - of the selected I2Cx peripheral. - -@endverbatim - * @{ - */ - -/** - * @brief Initializes the I2C according to the specified parameters - * in the I2C_InitTypeDef and initialize the associated handle. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Init(I2C_HandleTypeDef *hi2c) -{ - uint32_t freqrange; - uint32_t pclk1; - - /* Check the I2C handle allocation */ - if (hi2c == NULL) - { - return HAL_ERROR; - } - - /* Check the parameters */ - assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); - assert_param(IS_I2C_CLOCK_SPEED(hi2c->Init.ClockSpeed)); - assert_param(IS_I2C_DUTY_CYCLE(hi2c->Init.DutyCycle)); - assert_param(IS_I2C_OWN_ADDRESS1(hi2c->Init.OwnAddress1)); - assert_param(IS_I2C_ADDRESSING_MODE(hi2c->Init.AddressingMode)); - assert_param(IS_I2C_DUAL_ADDRESS(hi2c->Init.DualAddressMode)); - assert_param(IS_I2C_OWN_ADDRESS2(hi2c->Init.OwnAddress2)); - assert_param(IS_I2C_GENERAL_CALL(hi2c->Init.GeneralCallMode)); - assert_param(IS_I2C_NO_STRETCH(hi2c->Init.NoStretchMode)); - - if (hi2c->State == HAL_I2C_STATE_RESET) - { - /* Allocate lock resource and initialize it */ - hi2c->Lock = HAL_UNLOCKED; - -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - /* Init the I2C Callback settings */ - hi2c->MasterTxCpltCallback = HAL_I2C_MasterTxCpltCallback; /* Legacy weak MasterTxCpltCallback */ - hi2c->MasterRxCpltCallback = HAL_I2C_MasterRxCpltCallback; /* Legacy weak MasterRxCpltCallback */ - hi2c->SlaveTxCpltCallback = HAL_I2C_SlaveTxCpltCallback; /* Legacy weak SlaveTxCpltCallback */ - hi2c->SlaveRxCpltCallback = HAL_I2C_SlaveRxCpltCallback; /* Legacy weak SlaveRxCpltCallback */ - hi2c->ListenCpltCallback = HAL_I2C_ListenCpltCallback; /* Legacy weak ListenCpltCallback */ - hi2c->MemTxCpltCallback = HAL_I2C_MemTxCpltCallback; /* Legacy weak MemTxCpltCallback */ - hi2c->MemRxCpltCallback = HAL_I2C_MemRxCpltCallback; /* Legacy weak MemRxCpltCallback */ - hi2c->ErrorCallback = HAL_I2C_ErrorCallback; /* Legacy weak ErrorCallback */ - hi2c->AbortCpltCallback = HAL_I2C_AbortCpltCallback; /* Legacy weak AbortCpltCallback */ - hi2c->AddrCallback = HAL_I2C_AddrCallback; /* Legacy weak AddrCallback */ - - if (hi2c->MspInitCallback == NULL) - { - hi2c->MspInitCallback = HAL_I2C_MspInit; /* Legacy weak MspInit */ - } - - /* Init the low level hardware : GPIO, CLOCK, NVIC */ - hi2c->MspInitCallback(hi2c); -#else - /* Init the low level hardware : GPIO, CLOCK, NVIC */ - HAL_I2C_MspInit(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - - hi2c->State = HAL_I2C_STATE_BUSY; - - /* Disable the selected I2C peripheral */ - __HAL_I2C_DISABLE(hi2c); - - /*Reset I2C*/ - hi2c->Instance->CR1 |= I2C_CR1_SWRST; - hi2c->Instance->CR1 &= ~I2C_CR1_SWRST; - - /* Get PCLK1 frequency */ - pclk1 = HAL_RCC_GetPCLK1Freq(); - - /* Check the minimum allowed PCLK1 frequency */ - if (I2C_MIN_PCLK_FREQ(pclk1, hi2c->Init.ClockSpeed) == 1U) - { - return HAL_ERROR; - } - - /* Calculate frequency range */ - freqrange = I2C_FREQRANGE(pclk1); - - /*---------------------------- I2Cx CR2 Configuration ----------------------*/ - /* Configure I2Cx: Frequency range */ - MODIFY_REG(hi2c->Instance->CR2, I2C_CR2_FREQ, freqrange); - - /*---------------------------- I2Cx TRISE Configuration --------------------*/ - /* Configure I2Cx: Rise Time */ - MODIFY_REG(hi2c->Instance->TRISE, I2C_TRISE_TRISE, I2C_RISE_TIME(freqrange, hi2c->Init.ClockSpeed)); - - /*---------------------------- I2Cx CCR Configuration ----------------------*/ - /* Configure I2Cx: Speed */ - MODIFY_REG(hi2c->Instance->CCR, (I2C_CCR_FS | I2C_CCR_DUTY | I2C_CCR_CCR), I2C_SPEED(pclk1, hi2c->Init.ClockSpeed, hi2c->Init.DutyCycle)); - - /*---------------------------- I2Cx CR1 Configuration ----------------------*/ - /* Configure I2Cx: Generalcall and NoStretch mode */ - MODIFY_REG(hi2c->Instance->CR1, (I2C_CR1_ENGC | I2C_CR1_NOSTRETCH), (hi2c->Init.GeneralCallMode | hi2c->Init.NoStretchMode)); - - /*---------------------------- I2Cx OAR1 Configuration ---------------------*/ - /* Configure I2Cx: Own Address1 and addressing mode */ - MODIFY_REG(hi2c->Instance->OAR1, (I2C_OAR1_ADDMODE | I2C_OAR1_ADD8_9 | I2C_OAR1_ADD1_7 | I2C_OAR1_ADD0), (hi2c->Init.AddressingMode | hi2c->Init.OwnAddress1)); - - /*---------------------------- I2Cx OAR2 Configuration ---------------------*/ - /* Configure I2Cx: Dual mode and Own Address2 */ - MODIFY_REG(hi2c->Instance->OAR2, (I2C_OAR2_ENDUAL | I2C_OAR2_ADD2), (hi2c->Init.DualAddressMode | hi2c->Init.OwnAddress2)); - - /* Enable the selected I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->Mode = HAL_I2C_MODE_NONE; - - return HAL_OK; -} - -/** - * @brief DeInitialize the I2C peripheral. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_DeInit(I2C_HandleTypeDef *hi2c) -{ - /* Check the I2C handle allocation */ - if (hi2c == NULL) - { - return HAL_ERROR; - } - - /* Check the parameters */ - assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); - - hi2c->State = HAL_I2C_STATE_BUSY; - - /* Disable the I2C Peripheral Clock */ - __HAL_I2C_DISABLE(hi2c); - -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - if (hi2c->MspDeInitCallback == NULL) - { - hi2c->MspDeInitCallback = HAL_I2C_MspDeInit; /* Legacy weak MspDeInit */ - } - - /* DeInit the low level hardware: GPIO, CLOCK, NVIC */ - hi2c->MspDeInitCallback(hi2c); -#else - /* DeInit the low level hardware: GPIO, CLOCK, NVIC */ - HAL_I2C_MspDeInit(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - hi2c->State = HAL_I2C_STATE_RESET; - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Release Lock */ - __HAL_UNLOCK(hi2c); - - return HAL_OK; -} - -/** - * @brief Initialize the I2C MSP. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval None - */ -__weak void HAL_I2C_MspInit(I2C_HandleTypeDef *hi2c) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hi2c); - - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_I2C_MspInit could be implemented in the user file - */ -} - -/** - * @brief DeInitialize the I2C MSP. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval None - */ -__weak void HAL_I2C_MspDeInit(I2C_HandleTypeDef *hi2c) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hi2c); - - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_I2C_MspDeInit could be implemented in the user file - */ -} - -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) -/** - * @brief Register a User I2C Callback - * To be used instead of the weak predefined callback - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param CallbackID ID of the callback to be registered - * This parameter can be one of the following values: - * @arg @ref HAL_I2C_MASTER_TX_COMPLETE_CB_ID Master Tx Transfer completed callback ID - * @arg @ref HAL_I2C_MASTER_RX_COMPLETE_CB_ID Master Rx Transfer completed callback ID - * @arg @ref HAL_I2C_SLAVE_TX_COMPLETE_CB_ID Slave Tx Transfer completed callback ID - * @arg @ref HAL_I2C_SLAVE_RX_COMPLETE_CB_ID Slave Rx Transfer completed callback ID - * @arg @ref HAL_I2C_LISTEN_COMPLETE_CB_ID Listen Complete callback ID - * @arg @ref HAL_I2C_MEM_TX_COMPLETE_CB_ID Memory Tx Transfer callback ID - * @arg @ref HAL_I2C_MEM_RX_COMPLETE_CB_ID Memory Rx Transfer completed callback ID - * @arg @ref HAL_I2C_ERROR_CB_ID Error callback ID - * @arg @ref HAL_I2C_ABORT_CB_ID Abort callback ID - * @arg @ref HAL_I2C_MSPINIT_CB_ID MspInit callback ID - * @arg @ref HAL_I2C_MSPDEINIT_CB_ID MspDeInit callback ID - * @param pCallback pointer to the Callback function - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_RegisterCallback(I2C_HandleTypeDef *hi2c, HAL_I2C_CallbackIDTypeDef CallbackID, pI2C_CallbackTypeDef pCallback) -{ - HAL_StatusTypeDef status = HAL_OK; - - if (pCallback == NULL) - { - /* Update the error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_INVALID_CALLBACK; - - return HAL_ERROR; - } - /* Process locked */ - __HAL_LOCK(hi2c); - - if (HAL_I2C_STATE_READY == hi2c->State) - { - switch (CallbackID) - { - case HAL_I2C_MASTER_TX_COMPLETE_CB_ID : - hi2c->MasterTxCpltCallback = pCallback; - break; - - case HAL_I2C_MASTER_RX_COMPLETE_CB_ID : - hi2c->MasterRxCpltCallback = pCallback; - break; - - case HAL_I2C_SLAVE_TX_COMPLETE_CB_ID : - hi2c->SlaveTxCpltCallback = pCallback; - break; - - case HAL_I2C_SLAVE_RX_COMPLETE_CB_ID : - hi2c->SlaveRxCpltCallback = pCallback; - break; - - case HAL_I2C_LISTEN_COMPLETE_CB_ID : - hi2c->ListenCpltCallback = pCallback; - break; - - case HAL_I2C_MEM_TX_COMPLETE_CB_ID : - hi2c->MemTxCpltCallback = pCallback; - break; - - case HAL_I2C_MEM_RX_COMPLETE_CB_ID : - hi2c->MemRxCpltCallback = pCallback; - break; - - case HAL_I2C_ERROR_CB_ID : - hi2c->ErrorCallback = pCallback; - break; - - case HAL_I2C_ABORT_CB_ID : - hi2c->AbortCpltCallback = pCallback; - break; - - case HAL_I2C_MSPINIT_CB_ID : - hi2c->MspInitCallback = pCallback; - break; - - case HAL_I2C_MSPDEINIT_CB_ID : - hi2c->MspDeInitCallback = pCallback; - break; - - default : - /* Update the error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_INVALID_CALLBACK; - - /* Return error status */ - status = HAL_ERROR; - break; - } - } - else if (HAL_I2C_STATE_RESET == hi2c->State) - { - switch (CallbackID) - { - case HAL_I2C_MSPINIT_CB_ID : - hi2c->MspInitCallback = pCallback; - break; - - case HAL_I2C_MSPDEINIT_CB_ID : - hi2c->MspDeInitCallback = pCallback; - break; - - default : - /* Update the error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_INVALID_CALLBACK; - - /* Return error status */ - status = HAL_ERROR; - break; - } - } - else - { - /* Update the error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_INVALID_CALLBACK; - - /* Return error status */ - status = HAL_ERROR; - } - - /* Release Lock */ - __HAL_UNLOCK(hi2c); - return status; -} - -/** - * @brief Unregister an I2C Callback - * I2C callback is redirected to the weak predefined callback - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param CallbackID ID of the callback to be unregistered - * This parameter can be one of the following values: - * This parameter can be one of the following values: - * @arg @ref HAL_I2C_MASTER_TX_COMPLETE_CB_ID Master Tx Transfer completed callback ID - * @arg @ref HAL_I2C_MASTER_RX_COMPLETE_CB_ID Master Rx Transfer completed callback ID - * @arg @ref HAL_I2C_SLAVE_TX_COMPLETE_CB_ID Slave Tx Transfer completed callback ID - * @arg @ref HAL_I2C_SLAVE_RX_COMPLETE_CB_ID Slave Rx Transfer completed callback ID - * @arg @ref HAL_I2C_LISTEN_COMPLETE_CB_ID Listen Complete callback ID - * @arg @ref HAL_I2C_MEM_TX_COMPLETE_CB_ID Memory Tx Transfer callback ID - * @arg @ref HAL_I2C_MEM_RX_COMPLETE_CB_ID Memory Rx Transfer completed callback ID - * @arg @ref HAL_I2C_ERROR_CB_ID Error callback ID - * @arg @ref HAL_I2C_ABORT_CB_ID Abort callback ID - * @arg @ref HAL_I2C_MSPINIT_CB_ID MspInit callback ID - * @arg @ref HAL_I2C_MSPDEINIT_CB_ID MspDeInit callback ID - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_UnRegisterCallback(I2C_HandleTypeDef *hi2c, HAL_I2C_CallbackIDTypeDef CallbackID) -{ - HAL_StatusTypeDef status = HAL_OK; - - /* Process locked */ - __HAL_LOCK(hi2c); - - if (HAL_I2C_STATE_READY == hi2c->State) - { - switch (CallbackID) - { - case HAL_I2C_MASTER_TX_COMPLETE_CB_ID : - hi2c->MasterTxCpltCallback = HAL_I2C_MasterTxCpltCallback; /* Legacy weak MasterTxCpltCallback */ - break; - - case HAL_I2C_MASTER_RX_COMPLETE_CB_ID : - hi2c->MasterRxCpltCallback = HAL_I2C_MasterRxCpltCallback; /* Legacy weak MasterRxCpltCallback */ - break; - - case HAL_I2C_SLAVE_TX_COMPLETE_CB_ID : - hi2c->SlaveTxCpltCallback = HAL_I2C_SlaveTxCpltCallback; /* Legacy weak SlaveTxCpltCallback */ - break; - - case HAL_I2C_SLAVE_RX_COMPLETE_CB_ID : - hi2c->SlaveRxCpltCallback = HAL_I2C_SlaveRxCpltCallback; /* Legacy weak SlaveRxCpltCallback */ - break; - - case HAL_I2C_LISTEN_COMPLETE_CB_ID : - hi2c->ListenCpltCallback = HAL_I2C_ListenCpltCallback; /* Legacy weak ListenCpltCallback */ - break; - - case HAL_I2C_MEM_TX_COMPLETE_CB_ID : - hi2c->MemTxCpltCallback = HAL_I2C_MemTxCpltCallback; /* Legacy weak MemTxCpltCallback */ - break; - - case HAL_I2C_MEM_RX_COMPLETE_CB_ID : - hi2c->MemRxCpltCallback = HAL_I2C_MemRxCpltCallback; /* Legacy weak MemRxCpltCallback */ - break; - - case HAL_I2C_ERROR_CB_ID : - hi2c->ErrorCallback = HAL_I2C_ErrorCallback; /* Legacy weak ErrorCallback */ - break; - - case HAL_I2C_ABORT_CB_ID : - hi2c->AbortCpltCallback = HAL_I2C_AbortCpltCallback; /* Legacy weak AbortCpltCallback */ - break; - - case HAL_I2C_MSPINIT_CB_ID : - hi2c->MspInitCallback = HAL_I2C_MspInit; /* Legacy weak MspInit */ - break; - - case HAL_I2C_MSPDEINIT_CB_ID : - hi2c->MspDeInitCallback = HAL_I2C_MspDeInit; /* Legacy weak MspDeInit */ - break; - - default : - /* Update the error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_INVALID_CALLBACK; - - /* Return error status */ - status = HAL_ERROR; - break; - } - } - else if (HAL_I2C_STATE_RESET == hi2c->State) - { - switch (CallbackID) - { - case HAL_I2C_MSPINIT_CB_ID : - hi2c->MspInitCallback = HAL_I2C_MspInit; /* Legacy weak MspInit */ - break; - - case HAL_I2C_MSPDEINIT_CB_ID : - hi2c->MspDeInitCallback = HAL_I2C_MspDeInit; /* Legacy weak MspDeInit */ - break; - - default : - /* Update the error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_INVALID_CALLBACK; - - /* Return error status */ - status = HAL_ERROR; - break; - } - } - else - { - /* Update the error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_INVALID_CALLBACK; - - /* Return error status */ - status = HAL_ERROR; - } - - /* Release Lock */ - __HAL_UNLOCK(hi2c); - return status; -} - -/** - * @brief Register the Slave Address Match I2C Callback - * To be used instead of the weak HAL_I2C_AddrCallback() predefined callback - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param pCallback pointer to the Address Match Callback function - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_RegisterAddrCallback(I2C_HandleTypeDef *hi2c, pI2C_AddrCallbackTypeDef pCallback) -{ - HAL_StatusTypeDef status = HAL_OK; - - if (pCallback == NULL) - { - /* Update the error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_INVALID_CALLBACK; - - return HAL_ERROR; - } - /* Process locked */ - __HAL_LOCK(hi2c); - - if (HAL_I2C_STATE_READY == hi2c->State) - { - hi2c->AddrCallback = pCallback; - } - else - { - /* Update the error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_INVALID_CALLBACK; - - /* Return error status */ - status = HAL_ERROR; - } - - /* Release Lock */ - __HAL_UNLOCK(hi2c); - return status; -} - -/** - * @brief UnRegister the Slave Address Match I2C Callback - * Info Ready I2C Callback is redirected to the weak HAL_I2C_AddrCallback() predefined callback - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_UnRegisterAddrCallback(I2C_HandleTypeDef *hi2c) -{ - HAL_StatusTypeDef status = HAL_OK; - - /* Process locked */ - __HAL_LOCK(hi2c); - - if (HAL_I2C_STATE_READY == hi2c->State) - { - hi2c->AddrCallback = HAL_I2C_AddrCallback; /* Legacy weak AddrCallback */ - } - else - { - /* Update the error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_INVALID_CALLBACK; - - /* Return error status */ - status = HAL_ERROR; - } - - /* Release Lock */ - __HAL_UNLOCK(hi2c); - return status; -} - -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - -/** - * @brief I2C data register flush process. - * @param hi2c I2C handle. - * @retval None - */ -static void I2C_Flush_DR(I2C_HandleTypeDef *hi2c) -{ - /* Write a dummy data in DR to clear TXE flag */ - if (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TXE) != RESET) - { - hi2c->Instance->DR = 0x00U; - } -} - -/** - * @} - */ - -/** @defgroup I2C_Exported_Functions_Group2 Input and Output operation functions - * @brief Data transfers functions - * -@verbatim - =============================================================================== - ##### IO operation functions ##### - =============================================================================== - [..] - This subsection provides a set of functions allowing to manage the I2C data - transfers. - - (#) There are two modes of transfer: - (++) Blocking mode : The communication is performed in the polling mode. - The status of all data processing is returned by the same function - after finishing transfer. - (++) No-Blocking mode : The communication is performed using Interrupts - or DMA. These functions return the status of the transfer startup. - The end of the data processing will be indicated through the - dedicated I2C IRQ when using Interrupt mode or the DMA IRQ when - using DMA mode. - - (#) Blocking mode functions are : - (++) HAL_I2C_Master_Transmit() - (++) HAL_I2C_Master_Receive() - (++) HAL_I2C_Slave_Transmit() - (++) HAL_I2C_Slave_Receive() - (++) HAL_I2C_Mem_Write() - (++) HAL_I2C_Mem_Read() - (++) HAL_I2C_IsDeviceReady() - - (#) No-Blocking mode functions with Interrupt are : - (++) HAL_I2C_Master_Transmit_IT() - (++) HAL_I2C_Master_Receive_IT() - (++) HAL_I2C_Slave_Transmit_IT() - (++) HAL_I2C_Slave_Receive_IT() - (++) HAL_I2C_Mem_Write_IT() - (++) HAL_I2C_Mem_Read_IT() - (++) HAL_I2C_Master_Seq_Transmit_IT() - (++) HAL_I2C_Master_Seq_Receive_IT() - (++) HAL_I2C_Slave_Seq_Transmit_IT() - (++) HAL_I2C_Slave_Seq_Receive_IT() - (++) HAL_I2C_EnableListen_IT() - (++) HAL_I2C_DisableListen_IT() - (++) HAL_I2C_Master_Abort_IT() - - (#) No-Blocking mode functions with DMA are : - (++) HAL_I2C_Master_Transmit_DMA() - (++) HAL_I2C_Master_Receive_DMA() - (++) HAL_I2C_Slave_Transmit_DMA() - (++) HAL_I2C_Slave_Receive_DMA() - (++) HAL_I2C_Mem_Write_DMA() - (++) HAL_I2C_Mem_Read_DMA() - (++) HAL_I2C_Master_Seq_Transmit_DMA() - (++) HAL_I2C_Master_Seq_Receive_DMA() - (++) HAL_I2C_Slave_Seq_Transmit_DMA() - (++) HAL_I2C_Slave_Seq_Receive_DMA() - - (#) A set of Transfer Complete Callbacks are provided in non Blocking mode: - (++) HAL_I2C_MasterTxCpltCallback() - (++) HAL_I2C_MasterRxCpltCallback() - (++) HAL_I2C_SlaveTxCpltCallback() - (++) HAL_I2C_SlaveRxCpltCallback() - (++) HAL_I2C_MemTxCpltCallback() - (++) HAL_I2C_MemRxCpltCallback() - (++) HAL_I2C_AddrCallback() - (++) HAL_I2C_ListenCpltCallback() - (++) HAL_I2C_ErrorCallback() - (++) HAL_I2C_AbortCpltCallback() - -@endverbatim - * @{ - */ - -/** - * @brief Transmits in master mode an amount of data in blocking mode. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @param Timeout Timeout duration - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Master_Transmit(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout) -{ - /* Init tickstart for timeout management*/ - uint32_t tickstart = HAL_GetTick(); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Wait until BUSY flag is reset */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_BUSY_FLAG, tickstart) != HAL_OK) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_TX; - hi2c->Mode = HAL_I2C_MODE_MASTER; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - - /* Send Slave Address */ - if (I2C_MasterRequestWrite(hi2c, DevAddress, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - while (hi2c->XferSize > 0U) - { - /* Wait until TXE flag is set */ - if (I2C_WaitOnTXEFlagUntilTimeout(hi2c, Timeout, tickstart) != HAL_OK) - { - if (hi2c->ErrorCode == HAL_I2C_ERROR_AF) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - return HAL_ERROR; - } - - /* Write data to DR */ - hi2c->Instance->DR = *hi2c->pBuffPtr; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - hi2c->XferSize--; - - if ((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == SET) && (hi2c->XferSize != 0U)) - { - /* Write data to DR */ - hi2c->Instance->DR = *hi2c->pBuffPtr; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - hi2c->XferSize--; - } - - /* Wait until BTF flag is set */ - if (I2C_WaitOnBTFFlagUntilTimeout(hi2c, Timeout, tickstart) != HAL_OK) - { - if (hi2c->ErrorCode == HAL_I2C_ERROR_AF) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - return HAL_ERROR; - } - } - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Receives in master mode an amount of data in blocking mode. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @param Timeout Timeout duration - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Master_Receive(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout) -{ - /* Init tickstart for timeout management*/ - uint32_t tickstart = HAL_GetTick(); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Wait until BUSY flag is reset */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_BUSY_FLAG, tickstart) != HAL_OK) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_RX; - hi2c->Mode = HAL_I2C_MODE_MASTER; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - - /* Send Slave Address */ - if (I2C_MasterRequestRead(hi2c, DevAddress, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - if (hi2c->XferSize == 0U) - { - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - else if (hi2c->XferSize == 1U) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - else if (hi2c->XferSize == 2U) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Enable Pos */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - } - else - { - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - } - - while (hi2c->XferSize > 0U) - { - if (hi2c->XferSize <= 3U) - { - /* One byte */ - if (hi2c->XferSize == 1U) - { - /* Wait until RXNE flag is set */ - if (I2C_WaitOnRXNEFlagUntilTimeout(hi2c, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - } - /* Two bytes */ - else if (hi2c->XferSize == 2U) - { - /* Wait until BTF flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BTF, RESET, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - } - /* 3 Last bytes */ - else - { - /* Wait until BTF flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BTF, RESET, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - - /* Wait until BTF flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BTF, RESET, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - } - } - else - { - /* Wait until RXNE flag is set */ - if (I2C_WaitOnRXNEFlagUntilTimeout(hi2c, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - - if (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == SET) - { - - if (hi2c->XferSize == 3U) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - } - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - } - } - } - - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Transmits in slave mode an amount of data in blocking mode. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @param Timeout Timeout duration - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout) -{ - /* Init tickstart for timeout management*/ - uint32_t tickstart = HAL_GetTick(); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - if ((pData == NULL) || (Size == 0U)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_TX; - hi2c->Mode = HAL_I2C_MODE_SLAVE; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - - /* Enable Address Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Wait until ADDR flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* If 10bit addressing mode is selected */ - if (hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_10BIT) - { - /* Wait until ADDR flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - } - - while (hi2c->XferSize > 0U) - { - /* Wait until TXE flag is set */ - if (I2C_WaitOnTXEFlagUntilTimeout(hi2c, Timeout, tickstart) != HAL_OK) - { - /* Disable Address Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - return HAL_ERROR; - } - - /* Write data to DR */ - hi2c->Instance->DR = *hi2c->pBuffPtr; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - hi2c->XferSize--; - - if ((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == SET) && (hi2c->XferSize != 0U)) - { - /* Write data to DR */ - hi2c->Instance->DR = *hi2c->pBuffPtr; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - hi2c->XferSize--; - } - } - - /* Wait until AF flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_AF, RESET, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Clear AF flag */ - __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); - - /* Disable Address Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Receive in slave mode an amount of data in blocking mode - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @param Timeout Timeout duration - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Slave_Receive(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout) -{ - /* Init tickstart for timeout management*/ - uint32_t tickstart = HAL_GetTick(); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - if ((pData == NULL) || (Size == (uint16_t)0)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_RX; - hi2c->Mode = HAL_I2C_MODE_SLAVE; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - - /* Enable Address Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Wait until ADDR flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - while (hi2c->XferSize > 0U) - { - /* Wait until RXNE flag is set */ - if (I2C_WaitOnRXNEFlagUntilTimeout(hi2c, Timeout, tickstart) != HAL_OK) - { - /* Disable Address Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - return HAL_ERROR; - } - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - - if ((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == SET) && (hi2c->XferSize != 0U)) - { - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - } - } - - /* Wait until STOP flag is set */ - if (I2C_WaitOnSTOPFlagUntilTimeout(hi2c, Timeout, tickstart) != HAL_OK) - { - /* Disable Address Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - return HAL_ERROR; - } - - /* Clear STOP flag */ - __HAL_I2C_CLEAR_STOPFLAG(hi2c); - - /* Disable Address Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Transmit in master mode an amount of data in non-blocking mode with Interrupt - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Master_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) -{ - __IO uint32_t count = 0U; - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Wait until BUSY flag is reset */ - count = I2C_TIMEOUT_BUSY_FLAG * (SystemCoreClock / 25U / 1000U); - do - { - count--; - if (count == 0U) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - return HAL_BUSY; - } - } - while (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) != RESET); - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_TX; - hi2c->Mode = HAL_I2C_MODE_MASTER; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - hi2c->Devaddress = DevAddress; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - /* Enable EVT, BUF and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Receive in master mode an amount of data in non-blocking mode with Interrupt - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Master_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) -{ - __IO uint32_t count = 0U; - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Wait until BUSY flag is reset */ - count = I2C_TIMEOUT_BUSY_FLAG * (SystemCoreClock / 25U / 1000U); - do - { - count--; - if (count == 0U) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - return HAL_BUSY; - } - } - while (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) != RESET); - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_RX; - hi2c->Mode = HAL_I2C_MODE_MASTER; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - hi2c->Devaddress = DevAddress; - - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - - /* Enable EVT, BUF and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Transmit in slave mode an amount of data in non-blocking mode with Interrupt - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Slave_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size) -{ - - if (hi2c->State == HAL_I2C_STATE_READY) - { - if ((pData == NULL) || (Size == 0U)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_TX; - hi2c->Mode = HAL_I2C_MODE_SLAVE; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - - /* Enable Address Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - - /* Enable EVT, BUF and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Receive in slave mode an amount of data in non-blocking mode with Interrupt - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Slave_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size) -{ - - if (hi2c->State == HAL_I2C_STATE_READY) - { - if ((pData == NULL) || (Size == 0U)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_RX; - hi2c->Mode = HAL_I2C_MODE_SLAVE; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - - /* Enable Address Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - - /* Enable EVT, BUF and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Transmit in master mode an amount of data in non-blocking mode with DMA - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Master_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) -{ - __IO uint32_t count = 0U; - HAL_StatusTypeDef dmaxferstatus; - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Wait until BUSY flag is reset */ - count = I2C_TIMEOUT_BUSY_FLAG * (SystemCoreClock / 25U / 1000U); - do - { - count--; - if (count == 0U) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - return HAL_BUSY; - } - } - while (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) != RESET); - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_TX; - hi2c->Mode = HAL_I2C_MODE_MASTER; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - hi2c->Devaddress = DevAddress; - - if (hi2c->XferSize > 0U) - { - if (hi2c->hdmatx != NULL) - { - /* Set the I2C DMA transfer complete callback */ - hi2c->hdmatx->XferCpltCallback = I2C_DMAXferCplt; - - /* Set the DMA error callback */ - hi2c->hdmatx->XferErrorCallback = I2C_DMAError; - - /* Set the unused DMA callbacks to NULL */ - hi2c->hdmatx->XferHalfCpltCallback = NULL; - hi2c->hdmatx->XferM1CpltCallback = NULL; - hi2c->hdmatx->XferM1HalfCpltCallback = NULL; - hi2c->hdmatx->XferAbortCallback = NULL; - - /* Enable the DMA stream */ - dmaxferstatus = HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)hi2c->pBuffPtr, (uint32_t)&hi2c->Instance->DR, hi2c->XferSize); - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA_PARAM; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - - if (dmaxferstatus == HAL_OK) - { - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - - /* Enable EVT and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_ERR); - - /* Enable DMA Request */ - SET_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); - - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - else - { - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - - /* Enable EVT, BUF and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - } - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Receive in master mode an amount of data in non-blocking mode with DMA - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Master_Receive_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) -{ - __IO uint32_t count = 0U; - HAL_StatusTypeDef dmaxferstatus; - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Wait until BUSY flag is reset */ - count = I2C_TIMEOUT_BUSY_FLAG * (SystemCoreClock / 25U / 1000U); - do - { - count--; - if (count == 0U) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - return HAL_BUSY; - } - } - while (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) != RESET); - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_RX; - hi2c->Mode = HAL_I2C_MODE_MASTER; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - hi2c->Devaddress = DevAddress; - - if (hi2c->XferSize > 0U) - { - if (hi2c->hdmarx != NULL) - { - /* Set the I2C DMA transfer complete callback */ - hi2c->hdmarx->XferCpltCallback = I2C_DMAXferCplt; - - /* Set the DMA error callback */ - hi2c->hdmarx->XferErrorCallback = I2C_DMAError; - - /* Set the unused DMA callbacks to NULL */ - hi2c->hdmarx->XferHalfCpltCallback = NULL; - hi2c->hdmarx->XferM1CpltCallback = NULL; - hi2c->hdmarx->XferM1HalfCpltCallback = NULL; - hi2c->hdmarx->XferAbortCallback = NULL; - - /* Enable the DMA stream */ - dmaxferstatus = HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->DR, (uint32_t)hi2c->pBuffPtr, hi2c->XferSize); - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA_PARAM; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - - if (dmaxferstatus == HAL_OK) - { - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - - /* Enable EVT and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_ERR); - - /* Enable DMA Request */ - SET_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - else - { - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - - /* Enable EVT, BUF and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - } - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Transmit in slave mode an amount of data in non-blocking mode with DMA - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Slave_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size) -{ - HAL_StatusTypeDef dmaxferstatus; - - if (hi2c->State == HAL_I2C_STATE_READY) - { - if ((pData == NULL) || (Size == 0U)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_TX; - hi2c->Mode = HAL_I2C_MODE_SLAVE; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - - if (hi2c->hdmatx != NULL) - { - /* Set the I2C DMA transfer complete callback */ - hi2c->hdmatx->XferCpltCallback = I2C_DMAXferCplt; - - /* Set the DMA error callback */ - hi2c->hdmatx->XferErrorCallback = I2C_DMAError; - - /* Set the unused DMA callbacks to NULL */ - hi2c->hdmatx->XferHalfCpltCallback = NULL; - hi2c->hdmatx->XferM1CpltCallback = NULL; - hi2c->hdmatx->XferM1HalfCpltCallback = NULL; - hi2c->hdmatx->XferAbortCallback = NULL; - - /* Enable the DMA stream */ - dmaxferstatus = HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)hi2c->pBuffPtr, (uint32_t)&hi2c->Instance->DR, hi2c->XferSize); - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_LISTEN; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA_PARAM; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - - if (dmaxferstatus == HAL_OK) - { - /* Enable Address Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - /* Enable EVT and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_ERR); - - /* Enable DMA Request */ - hi2c->Instance->CR2 |= I2C_CR2_DMAEN; - - return HAL_OK; - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Receive in slave mode an amount of data in non-blocking mode with DMA - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Slave_Receive_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size) -{ - HAL_StatusTypeDef dmaxferstatus; - - if (hi2c->State == HAL_I2C_STATE_READY) - { - if ((pData == NULL) || (Size == 0U)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_RX; - hi2c->Mode = HAL_I2C_MODE_SLAVE; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - - if (hi2c->hdmarx != NULL) - { - /* Set the I2C DMA transfer complete callback */ - hi2c->hdmarx->XferCpltCallback = I2C_DMAXferCplt; - - /* Set the DMA error callback */ - hi2c->hdmarx->XferErrorCallback = I2C_DMAError; - - /* Set the unused DMA callbacks to NULL */ - hi2c->hdmarx->XferHalfCpltCallback = NULL; - hi2c->hdmarx->XferM1CpltCallback = NULL; - hi2c->hdmarx->XferM1HalfCpltCallback = NULL; - hi2c->hdmarx->XferAbortCallback = NULL; - - /* Enable the DMA stream */ - dmaxferstatus = HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->DR, (uint32_t)hi2c->pBuffPtr, hi2c->XferSize); - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_LISTEN; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA_PARAM; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - - if (dmaxferstatus == HAL_OK) - { - /* Enable Address Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - /* Enable EVT and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_ERR); - - /* Enable DMA Request */ - SET_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); - - return HAL_OK; - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Write an amount of data in blocking mode to a specific memory address - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param MemAddress Internal memory address - * @param MemAddSize Size of internal memory address - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @param Timeout Timeout duration - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Mem_Write(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout) -{ - /* Init tickstart for timeout management*/ - uint32_t tickstart = HAL_GetTick(); - - /* Check the parameters */ - assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Wait until BUSY flag is reset */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_BUSY_FLAG, tickstart) != HAL_OK) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_TX; - hi2c->Mode = HAL_I2C_MODE_MEM; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - - /* Send Slave Address and Memory Address */ - if (I2C_RequestMemoryWrite(hi2c, DevAddress, MemAddress, MemAddSize, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - while (hi2c->XferSize > 0U) - { - /* Wait until TXE flag is set */ - if (I2C_WaitOnTXEFlagUntilTimeout(hi2c, Timeout, tickstart) != HAL_OK) - { - if (hi2c->ErrorCode == HAL_I2C_ERROR_AF) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - return HAL_ERROR; - } - - /* Write data to DR */ - hi2c->Instance->DR = *hi2c->pBuffPtr; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - - if ((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == SET) && (hi2c->XferSize != 0U)) - { - /* Write data to DR */ - hi2c->Instance->DR = *hi2c->pBuffPtr; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - } - } - - /* Wait until BTF flag is set */ - if (I2C_WaitOnBTFFlagUntilTimeout(hi2c, Timeout, tickstart) != HAL_OK) - { - if (hi2c->ErrorCode == HAL_I2C_ERROR_AF) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - return HAL_ERROR; - } - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Read an amount of data in blocking mode from a specific memory address - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param MemAddress Internal memory address - * @param MemAddSize Size of internal memory address - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @param Timeout Timeout duration - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Mem_Read(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout) -{ - /* Init tickstart for timeout management*/ - uint32_t tickstart = HAL_GetTick(); - - /* Check the parameters */ - assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Wait until BUSY flag is reset */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_BUSY_FLAG, tickstart) != HAL_OK) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_RX; - hi2c->Mode = HAL_I2C_MODE_MEM; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - - /* Send Slave Address and Memory Address */ - if (I2C_RequestMemoryRead(hi2c, DevAddress, MemAddress, MemAddSize, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - if (hi2c->XferSize == 0U) - { - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - else if (hi2c->XferSize == 1U) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - else if (hi2c->XferSize == 2U) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Enable Pos */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - } - else - { - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - } - - while (hi2c->XferSize > 0U) - { - if (hi2c->XferSize <= 3U) - { - /* One byte */ - if (hi2c->XferSize == 1U) - { - /* Wait until RXNE flag is set */ - if (I2C_WaitOnRXNEFlagUntilTimeout(hi2c, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - } - /* Two bytes */ - else if (hi2c->XferSize == 2U) - { - /* Wait until BTF flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BTF, RESET, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - } - /* 3 Last bytes */ - else - { - /* Wait until BTF flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BTF, RESET, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - - /* Wait until BTF flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BTF, RESET, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - } - } - else - { - /* Wait until RXNE flag is set */ - if (I2C_WaitOnRXNEFlagUntilTimeout(hi2c, Timeout, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - - if (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == SET) - { - if (hi2c->XferSize == 3U) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - } - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferSize--; - hi2c->XferCount--; - } - } - } - - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Write an amount of data in non-blocking mode with Interrupt to a specific memory address - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param MemAddress Internal memory address - * @param MemAddSize Size of internal memory address - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Mem_Write_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size) -{ - __IO uint32_t count = 0U; - - /* Check the parameters */ - assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Wait until BUSY flag is reset */ - count = I2C_TIMEOUT_BUSY_FLAG * (SystemCoreClock / 25U / 1000U); - do - { - count--; - if (count == 0U) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - return HAL_BUSY; - } - } - while (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) != RESET); - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_TX; - hi2c->Mode = HAL_I2C_MODE_MEM; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - hi2c->Devaddress = DevAddress; - hi2c->Memaddress = MemAddress; - hi2c->MemaddSize = MemAddSize; - hi2c->EventCount = 0U; - - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - - /* Enable EVT, BUF and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Read an amount of data in non-blocking mode with Interrupt from a specific memory address - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address - * @param MemAddress Internal memory address - * @param MemAddSize Size of internal memory address - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Mem_Read_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size) -{ - __IO uint32_t count = 0U; - - /* Check the parameters */ - assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Wait until BUSY flag is reset */ - count = I2C_TIMEOUT_BUSY_FLAG * (SystemCoreClock / 25U / 1000U); - do - { - count--; - if (count == 0U) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - return HAL_BUSY; - } - } - while (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) != RESET); - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_RX; - hi2c->Mode = HAL_I2C_MODE_MEM; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - hi2c->Devaddress = DevAddress; - hi2c->Memaddress = MemAddress; - hi2c->MemaddSize = MemAddSize; - hi2c->EventCount = 0U; - - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - if (hi2c->XferSize > 0U) - { - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - - /* Enable EVT, BUF and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - } - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Write an amount of data in non-blocking mode with DMA to a specific memory address - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param MemAddress Internal memory address - * @param MemAddSize Size of internal memory address - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Mem_Write_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size) -{ - __IO uint32_t count = 0U; - HAL_StatusTypeDef dmaxferstatus; - - /* Init tickstart for timeout management*/ - uint32_t tickstart = HAL_GetTick(); - - /* Check the parameters */ - assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Wait until BUSY flag is reset */ - count = I2C_TIMEOUT_BUSY_FLAG * (SystemCoreClock / 25U / 1000U); - do - { - count--; - if (count == 0U) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - return HAL_BUSY; - } - } - while (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) != RESET); - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_TX; - hi2c->Mode = HAL_I2C_MODE_MEM; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - hi2c->Devaddress = DevAddress; - hi2c->Memaddress = MemAddress; - hi2c->MemaddSize = MemAddSize; - hi2c->EventCount = 0U; - - if (hi2c->XferSize > 0U) - { - if (hi2c->hdmatx != NULL) - { - /* Set the I2C DMA transfer complete callback */ - hi2c->hdmatx->XferCpltCallback = I2C_DMAXferCplt; - - /* Set the DMA error callback */ - hi2c->hdmatx->XferErrorCallback = I2C_DMAError; - - /* Set the unused DMA callbacks to NULL */ - hi2c->hdmatx->XferHalfCpltCallback = NULL; - hi2c->hdmatx->XferM1CpltCallback = NULL; - hi2c->hdmatx->XferM1HalfCpltCallback = NULL; - hi2c->hdmatx->XferAbortCallback = NULL; - - /* Enable the DMA stream */ - dmaxferstatus = HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)hi2c->pBuffPtr, (uint32_t)&hi2c->Instance->DR, hi2c->XferSize); - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA_PARAM; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - - if (dmaxferstatus == HAL_OK) - { - /* Send Slave Address and Memory Address */ - if (I2C_RequestMemoryWrite(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG, tickstart) != HAL_OK) - { - /* Abort the ongoing DMA */ - dmaxferstatus = HAL_DMA_Abort_IT(hi2c->hdmatx); - - /* Prevent unused argument(s) compilation and MISRA warning */ - UNUSED(dmaxferstatus); - - /* Set the unused I2C DMA transfer complete callback to NULL */ - hi2c->hdmatx->XferCpltCallback = NULL; - - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - hi2c->XferSize = 0U; - hi2c->XferCount = 0U; - - /* Disable I2C peripheral to prevent dummy data in buffer */ - __HAL_I2C_DISABLE(hi2c); - - return HAL_ERROR; - } - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - /* Enable ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_ERR); - - /* Enable DMA Request */ - SET_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); - - return HAL_OK; - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_SIZE; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Reads an amount of data in non-blocking mode with DMA from a specific memory address. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param MemAddress Internal memory address - * @param MemAddSize Size of internal memory address - * @param pData Pointer to data buffer - * @param Size Amount of data to be read - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Mem_Read_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size) -{ - /* Init tickstart for timeout management*/ - uint32_t tickstart = HAL_GetTick(); - __IO uint32_t count = 0U; - HAL_StatusTypeDef dmaxferstatus; - - /* Check the parameters */ - assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Wait until BUSY flag is reset */ - count = I2C_TIMEOUT_BUSY_FLAG * (SystemCoreClock / 25U / 1000U); - do - { - count--; - if (count == 0U) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - return HAL_BUSY; - } - } - while (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) != RESET); - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_RX; - hi2c->Mode = HAL_I2C_MODE_MEM; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - hi2c->Devaddress = DevAddress; - hi2c->Memaddress = MemAddress; - hi2c->MemaddSize = MemAddSize; - hi2c->EventCount = 0U; - - if (hi2c->XferSize > 0U) - { - if (hi2c->hdmarx != NULL) - { - /* Set the I2C DMA transfer complete callback */ - hi2c->hdmarx->XferCpltCallback = I2C_DMAXferCplt; - - /* Set the DMA error callback */ - hi2c->hdmarx->XferErrorCallback = I2C_DMAError; - - /* Set the unused DMA callbacks to NULL */ - hi2c->hdmarx->XferHalfCpltCallback = NULL; - hi2c->hdmarx->XferM1CpltCallback = NULL; - hi2c->hdmarx->XferM1HalfCpltCallback = NULL; - hi2c->hdmarx->XferAbortCallback = NULL; - - /* Enable the DMA stream */ - dmaxferstatus = HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->DR, (uint32_t)hi2c->pBuffPtr, hi2c->XferSize); - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA_PARAM; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - - if (dmaxferstatus == HAL_OK) - { - /* Send Slave Address and Memory Address */ - if (I2C_RequestMemoryRead(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG, tickstart) != HAL_OK) - { - /* Abort the ongoing DMA */ - dmaxferstatus = HAL_DMA_Abort_IT(hi2c->hdmarx); - - /* Prevent unused argument(s) compilation and MISRA warning */ - UNUSED(dmaxferstatus); - - /* Set the unused I2C DMA transfer complete callback to NULL */ - hi2c->hdmarx->XferCpltCallback = NULL; - - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - hi2c->XferSize = 0U; - hi2c->XferCount = 0U; - - /* Disable I2C peripheral to prevent dummy data in buffer */ - __HAL_I2C_DISABLE(hi2c); - - return HAL_ERROR; - } - - if (hi2c->XferSize == 1U) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - } - else - { - /* Enable Last DMA bit */ - SET_BIT(hi2c->Instance->CR2, I2C_CR2_LAST); - } - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - /* Enable ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_ERR); - - /* Enable DMA Request */ - hi2c->Instance->CR2 |= I2C_CR2_DMAEN; - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - else - { - /* Send Slave Address and Memory Address */ - if (I2C_RequestMemoryRead(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - - hi2c->State = HAL_I2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - } - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Checks if target device is ready for communication. - * @note This function is used with Memory devices - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param Trials Number of trials - * @param Timeout Timeout duration - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_IsDeviceReady(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Trials, uint32_t Timeout) -{ - /* Get tick */ - uint32_t tickstart = HAL_GetTick(); - uint32_t I2C_Trials = 0U; - FlagStatus tmp1; - FlagStatus tmp2; - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Wait until BUSY flag is reset */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_BUSY_FLAG, tickstart) != HAL_OK) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - - do - { - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - - /* Wait until SB flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout, tickstart) != HAL_OK) - { - if (READ_BIT(hi2c->Instance->CR1, I2C_CR1_START) == I2C_CR1_START) - { - hi2c->ErrorCode = HAL_I2C_WRONG_START; - } - return HAL_TIMEOUT; - } - - /* Send slave address */ - hi2c->Instance->DR = I2C_7BIT_ADD_WRITE(DevAddress); - - /* Wait until ADDR or AF flag are set */ - /* Get tick */ - tickstart = HAL_GetTick(); - - tmp1 = __HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_ADDR); - tmp2 = __HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF); - while ((hi2c->State != HAL_I2C_STATE_TIMEOUT) && (tmp1 == RESET) && (tmp2 == RESET)) - { - if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U)) - { - hi2c->State = HAL_I2C_STATE_TIMEOUT; - } - tmp1 = __HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_ADDR); - tmp2 = __HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF); - } - - hi2c->State = HAL_I2C_STATE_READY; - - /* Check if the ADDR flag has been set */ - if (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_ADDR) == SET) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - - /* Clear ADDR Flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Wait until BUSY flag is reset */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_BUSY_FLAG, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - hi2c->State = HAL_I2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_OK; - } - else - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - - /* Clear AF Flag */ - __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); - - /* Wait until BUSY flag is reset */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_BUSY_FLAG, tickstart) != HAL_OK) - { - return HAL_ERROR; - } - } - - /* Increment Trials */ - I2C_Trials++; - } - while (I2C_Trials < Trials); - - hi2c->State = HAL_I2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Sequential transmit in master I2C mode an amount of data in non-blocking mode with Interrupt. - * @note This interface allow to manage repeated start condition when a direction change during transfer - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @param XferOptions Options of Transfer, value of @ref I2C_XferOptions_definition - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Master_Seq_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions) -{ - __IO uint32_t Prev_State = 0x00U; - __IO uint32_t count = 0x00U; - - /* Check the parameters */ - assert_param(IS_I2C_TRANSFER_OPTIONS_REQUEST(XferOptions)); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Check Busy Flag only if FIRST call of Master interface */ - if ((READ_BIT(hi2c->Instance->CR1, I2C_CR1_STOP) == I2C_CR1_STOP) || (XferOptions == I2C_FIRST_AND_LAST_FRAME) || (XferOptions == I2C_FIRST_FRAME)) - { - /* Wait until BUSY flag is reset */ - count = I2C_TIMEOUT_BUSY_FLAG * (SystemCoreClock / 25U / 1000U); - do - { - count--; - if (count == 0U) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - return HAL_BUSY; - } - } - while (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) != RESET); - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_TX; - hi2c->Mode = HAL_I2C_MODE_MASTER; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = XferOptions; - hi2c->Devaddress = DevAddress; - - Prev_State = hi2c->PreviousState; - - /* If transfer direction not change and there is no request to start another frame, do not generate Restart Condition */ - /* Mean Previous state is same as current state */ - if ((Prev_State != I2C_STATE_MASTER_BUSY_TX) || (IS_I2C_TRANSFER_OTHER_OPTIONS_REQUEST(XferOptions) == 1)) - { - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - } - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - - /* Enable EVT, BUF and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Sequential transmit in master I2C mode an amount of data in non-blocking mode with DMA. - * @note This interface allow to manage repeated start condition when a direction change during transfer - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @param XferOptions Options of Transfer, value of @ref I2C_XferOptions_definition - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Master_Seq_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions) -{ - __IO uint32_t Prev_State = 0x00U; - __IO uint32_t count = 0x00U; - HAL_StatusTypeDef dmaxferstatus; - - /* Check the parameters */ - assert_param(IS_I2C_TRANSFER_OPTIONS_REQUEST(XferOptions)); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Check Busy Flag only if FIRST call of Master interface */ - if ((READ_BIT(hi2c->Instance->CR1, I2C_CR1_STOP) == I2C_CR1_STOP) || (XferOptions == I2C_FIRST_AND_LAST_FRAME) || (XferOptions == I2C_FIRST_FRAME)) - { - /* Wait until BUSY flag is reset */ - count = I2C_TIMEOUT_BUSY_FLAG * (SystemCoreClock / 25U / 1000U); - do - { - count--; - if (count == 0U) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - return HAL_BUSY; - } - } - while (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) != RESET); - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_TX; - hi2c->Mode = HAL_I2C_MODE_MASTER; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = XferOptions; - hi2c->Devaddress = DevAddress; - - Prev_State = hi2c->PreviousState; - - if (hi2c->XferSize > 0U) - { - if (hi2c->hdmatx != NULL) - { - /* Set the I2C DMA transfer complete callback */ - hi2c->hdmatx->XferCpltCallback = I2C_DMAXferCplt; - - /* Set the DMA error callback */ - hi2c->hdmatx->XferErrorCallback = I2C_DMAError; - - /* Set the unused DMA callbacks to NULL */ - hi2c->hdmatx->XferHalfCpltCallback = NULL; - hi2c->hdmatx->XferAbortCallback = NULL; - - /* Enable the DMA stream */ - dmaxferstatus = HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)hi2c->pBuffPtr, (uint32_t)&hi2c->Instance->DR, hi2c->XferSize); - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA_PARAM; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - - if (dmaxferstatus == HAL_OK) - { - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* If transfer direction not change and there is no request to start another frame, do not generate Restart Condition */ - /* Mean Previous state is same as current state */ - if ((Prev_State != I2C_STATE_MASTER_BUSY_TX) || (IS_I2C_TRANSFER_OTHER_OPTIONS_REQUEST(XferOptions) == 1)) - { - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - } - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - - /* If XferOptions is not associated to a new frame, mean no start bit is request, enable directly the DMA request */ - /* In other cases, DMA request is enabled after Slave address treatment in IRQHandler */ - if ((XferOptions == I2C_NEXT_FRAME) || (XferOptions == I2C_LAST_FRAME) || (XferOptions == I2C_LAST_FRAME_NO_STOP)) - { - /* Enable DMA Request */ - SET_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); - } - - /* Enable EVT and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_ERR); - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - else - { - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* If transfer direction not change and there is no request to start another frame, do not generate Restart Condition */ - /* Mean Previous state is same as current state */ - if ((Prev_State != I2C_STATE_MASTER_BUSY_TX) || (IS_I2C_TRANSFER_OTHER_OPTIONS_REQUEST(XferOptions) == 1)) - { - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - } - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - - /* Enable EVT, BUF and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - } - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Sequential receive in master I2C mode an amount of data in non-blocking mode with Interrupt - * @note This interface allow to manage repeated start condition when a direction change during transfer - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @param XferOptions Options of Transfer, value of @ref I2C_XferOptions_definition - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Master_Seq_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions) -{ - __IO uint32_t Prev_State = 0x00U; - __IO uint32_t count = 0U; - uint32_t enableIT = (I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - /* Check the parameters */ - assert_param(IS_I2C_TRANSFER_OPTIONS_REQUEST(XferOptions)); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Check Busy Flag only if FIRST call of Master interface */ - if ((READ_BIT(hi2c->Instance->CR1, I2C_CR1_STOP) == I2C_CR1_STOP) || (XferOptions == I2C_FIRST_AND_LAST_FRAME) || (XferOptions == I2C_FIRST_FRAME)) - { - /* Wait until BUSY flag is reset */ - count = I2C_TIMEOUT_BUSY_FLAG * (SystemCoreClock / 25U / 1000U); - do - { - count--; - if (count == 0U) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - return HAL_BUSY; - } - } - while (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) != RESET); - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_RX; - hi2c->Mode = HAL_I2C_MODE_MASTER; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = XferOptions; - hi2c->Devaddress = DevAddress; - - Prev_State = hi2c->PreviousState; - - if ((hi2c->XferCount == 2U) && ((XferOptions == I2C_LAST_FRAME) || (XferOptions == I2C_LAST_FRAME_NO_STOP))) - { - if (Prev_State == I2C_STATE_MASTER_BUSY_RX) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Enable Pos */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - /* Remove Enabling of IT_BUF, mean RXNE treatment, treat the 2 bytes through BTF */ - enableIT &= ~I2C_IT_BUF; - } - else - { - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - } - } - else - { - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - } - - /* If transfer direction not change and there is no request to start another frame, do not generate Restart Condition */ - /* Mean Previous state is same as current state */ - if ((Prev_State != I2C_STATE_MASTER_BUSY_RX) || (IS_I2C_TRANSFER_OTHER_OPTIONS_REQUEST(XferOptions) == 1)) - { - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - } - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - - /* Enable interrupts */ - __HAL_I2C_ENABLE_IT(hi2c, enableIT); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Sequential receive in master mode an amount of data in non-blocking mode with DMA - * @note This interface allow to manage repeated start condition when a direction change during transfer - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @param XferOptions Options of Transfer, value of @ref I2C_XferOptions_definition - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Master_Seq_Receive_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions) -{ - __IO uint32_t Prev_State = 0x00U; - __IO uint32_t count = 0U; - uint32_t enableIT = (I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - HAL_StatusTypeDef dmaxferstatus; - - /* Check the parameters */ - assert_param(IS_I2C_TRANSFER_OPTIONS_REQUEST(XferOptions)); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - /* Check Busy Flag only if FIRST call of Master interface */ - if ((READ_BIT(hi2c->Instance->CR1, I2C_CR1_STOP) == I2C_CR1_STOP) || (XferOptions == I2C_FIRST_AND_LAST_FRAME) || (XferOptions == I2C_FIRST_FRAME)) - { - /* Wait until BUSY flag is reset */ - count = I2C_TIMEOUT_BUSY_FLAG * (SystemCoreClock / 25U / 1000U); - do - { - count--; - if (count == 0U) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - return HAL_BUSY; - } - } - while (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) != RESET); - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - /* Clear Last DMA bit */ - CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_LAST); - - hi2c->State = HAL_I2C_STATE_BUSY_RX; - hi2c->Mode = HAL_I2C_MODE_MASTER; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = XferOptions; - hi2c->Devaddress = DevAddress; - - Prev_State = hi2c->PreviousState; - - if (hi2c->XferSize > 0U) - { - if ((hi2c->XferCount == 2U) && ((XferOptions == I2C_LAST_FRAME) || (XferOptions == I2C_LAST_FRAME_NO_STOP))) - { - if (Prev_State == I2C_STATE_MASTER_BUSY_RX) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Enable Pos */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - /* Enable Last DMA bit */ - SET_BIT(hi2c->Instance->CR2, I2C_CR2_LAST); - } - else - { - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - } - } - else - { - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - if ((XferOptions == I2C_LAST_FRAME) || (XferOptions == I2C_OTHER_AND_LAST_FRAME) || (XferOptions == I2C_LAST_FRAME_NO_STOP)) - { - /* Enable Last DMA bit */ - SET_BIT(hi2c->Instance->CR2, I2C_CR2_LAST); - } - } - if (hi2c->hdmarx != NULL) - { - /* Set the I2C DMA transfer complete callback */ - hi2c->hdmarx->XferCpltCallback = I2C_DMAXferCplt; - - /* Set the DMA error callback */ - hi2c->hdmarx->XferErrorCallback = I2C_DMAError; - - /* Set the unused DMA callbacks to NULL */ - hi2c->hdmarx->XferHalfCpltCallback = NULL; - hi2c->hdmarx->XferAbortCallback = NULL; - - /* Enable the DMA stream */ - dmaxferstatus = HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->DR, (uint32_t)hi2c->pBuffPtr, hi2c->XferSize); - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA_PARAM; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - if (dmaxferstatus == HAL_OK) - { - /* If transfer direction not change and there is no request to start another frame, do not generate Restart Condition */ - /* Mean Previous state is same as current state */ - if ((Prev_State != I2C_STATE_MASTER_BUSY_RX) || (IS_I2C_TRANSFER_OTHER_OPTIONS_REQUEST(XferOptions) == 1)) - { - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - - /* Update interrupt for only EVT and ERR */ - enableIT = (I2C_IT_EVT | I2C_IT_ERR); - } - else - { - /* Update interrupt for only ERR */ - enableIT = I2C_IT_ERR; - } - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - - /* If XferOptions is not associated to a new frame, mean no start bit is request, enable directly the DMA request */ - /* In other cases, DMA request is enabled after Slave address treatment in IRQHandler */ - if ((XferOptions == I2C_NEXT_FRAME) || (XferOptions == I2C_LAST_FRAME) || (XferOptions == I2C_LAST_FRAME_NO_STOP)) - { - /* Enable DMA Request */ - SET_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); - } - - /* Enable EVT and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, enableIT); - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - else - { - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* If transfer direction not change and there is no request to start another frame, do not generate Restart Condition */ - /* Mean Previous state is same as current state */ - if ((Prev_State != I2C_STATE_MASTER_BUSY_RX) || (IS_I2C_TRANSFER_OTHER_OPTIONS_REQUEST(XferOptions) == 1)) - { - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - } - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - - /* Enable interrupts */ - __HAL_I2C_ENABLE_IT(hi2c, enableIT); - } - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Sequential transmit in slave mode an amount of data in non-blocking mode with Interrupt - * @note This interface allow to manage repeated start condition when a direction change during transfer - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @param XferOptions Options of Transfer, value of @ref I2C_XferOptions_definition - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Slave_Seq_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t XferOptions) -{ - /* Check the parameters */ - assert_param(IS_I2C_TRANSFER_OPTIONS_REQUEST(XferOptions)); - - if (((uint32_t)hi2c->State & (uint32_t)HAL_I2C_STATE_LISTEN) == (uint32_t)HAL_I2C_STATE_LISTEN) - { - if ((pData == NULL) || (Size == 0U)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_TX_LISTEN; - hi2c->Mode = HAL_I2C_MODE_SLAVE; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = XferOptions; - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - - /* Enable EVT, BUF and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Sequential transmit in slave mode an amount of data in non-blocking mode with DMA - * @note This interface allow to manage repeated start condition when a direction change during transfer - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @param XferOptions Options of Transfer, value of @ref I2C_XferOptions_definition - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Slave_Seq_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t XferOptions) -{ - HAL_StatusTypeDef dmaxferstatus; - - /* Check the parameters */ - assert_param(IS_I2C_TRANSFER_OPTIONS_REQUEST(XferOptions)); - - if (((uint32_t)hi2c->State & (uint32_t)HAL_I2C_STATE_LISTEN) == (uint32_t)HAL_I2C_STATE_LISTEN) - { - if ((pData == NULL) || (Size == 0U)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Disable Interrupts, to prevent preemption during treatment in case of multicall */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_ERR); - - /* I2C cannot manage full duplex exchange so disable previous IT enabled if any */ - /* and then toggle the HAL slave RX state to TX state */ - if (hi2c->State == HAL_I2C_STATE_BUSY_RX_LISTEN) - { - if ((hi2c->Instance->CR2 & I2C_CR2_DMAEN) == I2C_CR2_DMAEN) - { - /* Abort DMA Xfer if any */ - if (hi2c->hdmarx != NULL) - { - CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); - - /* Set the I2C DMA Abort callback : - will lead to call HAL_I2C_ErrorCallback() at end of DMA abort procedure */ - hi2c->hdmarx->XferAbortCallback = I2C_DMAAbort; - - /* Abort DMA RX */ - if (HAL_DMA_Abort_IT(hi2c->hdmarx) != HAL_OK) - { - /* Call Directly XferAbortCallback function in case of error */ - hi2c->hdmarx->XferAbortCallback(hi2c->hdmarx); - } - } - } - } - else if (hi2c->State == HAL_I2C_STATE_BUSY_TX_LISTEN) - { - if ((hi2c->Instance->CR2 & I2C_CR2_DMAEN) == I2C_CR2_DMAEN) - { - CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); - - /* Abort DMA Xfer if any */ - if (hi2c->hdmatx != NULL) - { - /* Set the I2C DMA Abort callback : - will lead to call HAL_I2C_ErrorCallback() at end of DMA abort procedure */ - hi2c->hdmatx->XferAbortCallback = I2C_DMAAbort; - - /* Abort DMA TX */ - if (HAL_DMA_Abort_IT(hi2c->hdmatx) != HAL_OK) - { - /* Call Directly XferAbortCallback function in case of error */ - hi2c->hdmatx->XferAbortCallback(hi2c->hdmatx); - } - } - } - } - else - { - /* Nothing to do */ - } - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_TX_LISTEN; - hi2c->Mode = HAL_I2C_MODE_SLAVE; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = XferOptions; - - if (hi2c->hdmatx != NULL) - { - /* Set the I2C DMA transfer complete callback */ - hi2c->hdmatx->XferCpltCallback = I2C_DMAXferCplt; - - /* Set the DMA error callback */ - hi2c->hdmatx->XferErrorCallback = I2C_DMAError; - - /* Set the unused DMA callbacks to NULL */ - hi2c->hdmatx->XferHalfCpltCallback = NULL; - hi2c->hdmatx->XferAbortCallback = NULL; - - /* Enable the DMA stream */ - dmaxferstatus = HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)hi2c->pBuffPtr, (uint32_t)&hi2c->Instance->DR, hi2c->XferSize); - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_LISTEN; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA_PARAM; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - - if (dmaxferstatus == HAL_OK) - { - /* Enable Address Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - /* Enable EVT and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_ERR); - - /* Enable DMA Request */ - hi2c->Instance->CR2 |= I2C_CR2_DMAEN; - - return HAL_OK; - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Sequential receive in slave mode an amount of data in non-blocking mode with Interrupt - * @note This interface allow to manage repeated start condition when a direction change during transfer - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @param XferOptions Options of Transfer, value of @ref I2C_XferOptions_definition - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Slave_Seq_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t XferOptions) -{ - /* Check the parameters */ - assert_param(IS_I2C_TRANSFER_OPTIONS_REQUEST(XferOptions)); - - if (((uint32_t)hi2c->State & (uint32_t)HAL_I2C_STATE_LISTEN) == (uint32_t)HAL_I2C_STATE_LISTEN) - { - if ((pData == NULL) || (Size == 0U)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_RX_LISTEN; - hi2c->Mode = HAL_I2C_MODE_SLAVE; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = XferOptions; - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - - /* Enable EVT, BUF and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Sequential receive in slave mode an amount of data in non-blocking mode with DMA - * @note This interface allow to manage repeated start condition when a direction change during transfer - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param pData Pointer to data buffer - * @param Size Amount of data to be sent - * @param XferOptions Options of Transfer, value of @ref I2C_XferOptions_definition - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Slave_Seq_Receive_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t XferOptions) -{ - HAL_StatusTypeDef dmaxferstatus; - - /* Check the parameters */ - assert_param(IS_I2C_TRANSFER_OPTIONS_REQUEST(XferOptions)); - - if (((uint32_t)hi2c->State & (uint32_t)HAL_I2C_STATE_LISTEN) == (uint32_t)HAL_I2C_STATE_LISTEN) - { - if ((pData == NULL) || (Size == 0U)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hi2c); - - /* Disable Interrupts, to prevent preemption during treatment in case of multicall */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_ERR); - - /* I2C cannot manage full duplex exchange so disable previous IT enabled if any */ - /* and then toggle the HAL slave RX state to TX state */ - if (hi2c->State == HAL_I2C_STATE_BUSY_RX_LISTEN) - { - if ((hi2c->Instance->CR2 & I2C_CR2_DMAEN) == I2C_CR2_DMAEN) - { - /* Abort DMA Xfer if any */ - if (hi2c->hdmarx != NULL) - { - CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); - - /* Set the I2C DMA Abort callback : - will lead to call HAL_I2C_ErrorCallback() at end of DMA abort procedure */ - hi2c->hdmarx->XferAbortCallback = I2C_DMAAbort; - - /* Abort DMA RX */ - if (HAL_DMA_Abort_IT(hi2c->hdmarx) != HAL_OK) - { - /* Call Directly XferAbortCallback function in case of error */ - hi2c->hdmarx->XferAbortCallback(hi2c->hdmarx); - } - } - } - } - else if (hi2c->State == HAL_I2C_STATE_BUSY_TX_LISTEN) - { - if ((hi2c->Instance->CR2 & I2C_CR2_DMAEN) == I2C_CR2_DMAEN) - { - CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); - - /* Abort DMA Xfer if any */ - if (hi2c->hdmatx != NULL) - { - /* Set the I2C DMA Abort callback : - will lead to call HAL_I2C_ErrorCallback() at end of DMA abort procedure */ - hi2c->hdmatx->XferAbortCallback = I2C_DMAAbort; - - /* Abort DMA TX */ - if (HAL_DMA_Abort_IT(hi2c->hdmatx) != HAL_OK) - { - /* Call Directly XferAbortCallback function in case of error */ - hi2c->hdmatx->XferAbortCallback(hi2c->hdmatx); - } - } - } - } - else - { - /* Nothing to do */ - } - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Disable Pos */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - - hi2c->State = HAL_I2C_STATE_BUSY_RX_LISTEN; - hi2c->Mode = HAL_I2C_MODE_SLAVE; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Prepare transfer parameters */ - hi2c->pBuffPtr = pData; - hi2c->XferCount = Size; - hi2c->XferSize = hi2c->XferCount; - hi2c->XferOptions = XferOptions; - - if (hi2c->hdmarx != NULL) - { - /* Set the I2C DMA transfer complete callback */ - hi2c->hdmarx->XferCpltCallback = I2C_DMAXferCplt; - - /* Set the DMA error callback */ - hi2c->hdmarx->XferErrorCallback = I2C_DMAError; - - /* Set the unused DMA callbacks to NULL */ - hi2c->hdmarx->XferHalfCpltCallback = NULL; - hi2c->hdmarx->XferAbortCallback = NULL; - - /* Enable the DMA stream */ - dmaxferstatus = HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->DR, (uint32_t)hi2c->pBuffPtr, hi2c->XferSize); - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_LISTEN; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA_PARAM; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - - if (dmaxferstatus == HAL_OK) - { - /* Enable Address Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Enable DMA Request */ - SET_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); - - /* Note : The I2C interrupts must be enabled after unlocking current process - to avoid the risk of I2C interrupt handle execution before current - process unlock */ - /* Enable EVT and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_ERR); - - return HAL_OK; - } - else - { - /* Update I2C state */ - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Update I2C error code */ - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Enable the Address listen mode with Interrupt. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_EnableListen_IT(I2C_HandleTypeDef *hi2c) -{ - if (hi2c->State == HAL_I2C_STATE_READY) - { - hi2c->State = HAL_I2C_STATE_LISTEN; - - /* Check if the I2C is already enabled */ - if ((hi2c->Instance->CR1 & I2C_CR1_PE) != I2C_CR1_PE) - { - /* Enable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - } - - /* Enable Address Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Enable EVT and ERR interrupt */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_ERR); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Disable the Address listen mode with Interrupt. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_DisableListen_IT(I2C_HandleTypeDef *hi2c) -{ - /* Declaration of tmp to prevent undefined behavior of volatile usage */ - uint32_t tmp; - - /* Disable Address listen mode only if a transfer is not ongoing */ - if (hi2c->State == HAL_I2C_STATE_LISTEN) - { - tmp = (uint32_t)(hi2c->State) & I2C_STATE_MSK; - hi2c->PreviousState = tmp | (uint32_t)(hi2c->Mode); - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Disable Address Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Disable EVT and ERR interrupt */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_ERR); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Abort a master or memory I2C IT or DMA process communication with Interrupt. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2C_Master_Abort_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress) -{ - /* Declaration of temporary variables to prevent undefined behavior of volatile usage */ - HAL_I2C_ModeTypeDef CurrentMode = hi2c->Mode; - - /* Prevent unused argument(s) compilation warning */ - UNUSED(DevAddress); - - /* Abort Master transfer during Receive or Transmit process */ - if ((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) != RESET) && ((CurrentMode == HAL_I2C_MODE_MASTER) || - (CurrentMode == HAL_I2C_MODE_MEM))) - { - /* Process Locked */ - __HAL_LOCK(hi2c); - - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_ABORT; - - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - - hi2c->XferCount = 0U; - - /* Disable EVT, BUF and ERR interrupt */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Call the corresponding callback to inform upper layer of End of Transfer */ - I2C_ITError(hi2c); - - return HAL_OK; - } - else - { - /* Wrong usage of abort function */ - /* This function should be used only in case of abort monitored by master device */ - /* Or periphal is not in busy state, mean there is no active sequence to be abort */ - return HAL_ERROR; - } -} - -/** - * @} - */ - -/** @defgroup I2C_IRQ_Handler_and_Callbacks IRQ Handler and Callbacks - * @{ - */ - -/** - * @brief This function handles I2C event interrupt request. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval None - */ -void HAL_I2C_EV_IRQHandler(I2C_HandleTypeDef *hi2c) -{ - uint32_t sr1itflags; - uint32_t sr2itflags = 0U; - uint32_t itsources = READ_REG(hi2c->Instance->CR2); - uint32_t CurrentXferOptions = hi2c->XferOptions; - HAL_I2C_ModeTypeDef CurrentMode = hi2c->Mode; - HAL_I2C_StateTypeDef CurrentState = hi2c->State; - - /* Master or Memory mode selected */ - if ((CurrentMode == HAL_I2C_MODE_MASTER) || (CurrentMode == HAL_I2C_MODE_MEM)) - { - sr2itflags = READ_REG(hi2c->Instance->SR2); - sr1itflags = READ_REG(hi2c->Instance->SR1); - - /* Exit IRQ event until Start Bit detected in case of Other frame requested */ - if ((I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_SB) == RESET) && (IS_I2C_TRANSFER_OTHER_OPTIONS_REQUEST(CurrentXferOptions) == 1U)) - { - return; - } - - /* SB Set ----------------------------------------------------------------*/ - if ((I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_SB) != RESET) && (I2C_CHECK_IT_SOURCE(itsources, I2C_IT_EVT) != RESET)) - { - /* Convert OTHER_xxx XferOptions if any */ - I2C_ConvertOtherXferOptions(hi2c); - - I2C_Master_SB(hi2c); - } - /* ADD10 Set -------------------------------------------------------------*/ - else if ((I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_ADD10) != RESET) && (I2C_CHECK_IT_SOURCE(itsources, I2C_IT_EVT) != RESET)) - { - I2C_Master_ADD10(hi2c); - } - /* ADDR Set --------------------------------------------------------------*/ - else if ((I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_ADDR) != RESET) && (I2C_CHECK_IT_SOURCE(itsources, I2C_IT_EVT) != RESET)) - { - I2C_Master_ADDR(hi2c); - } - /* I2C in mode Transmitter -----------------------------------------------*/ - else if (I2C_CHECK_FLAG(sr2itflags, I2C_FLAG_TRA) != RESET) - { - /* Do not check buffer and BTF flag if a Xfer DMA is on going */ - if (READ_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN) != I2C_CR2_DMAEN) - { - /* TXE set and BTF reset -----------------------------------------------*/ - if ((I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_TXE) != RESET) && (I2C_CHECK_IT_SOURCE(itsources, I2C_IT_BUF) != RESET) && (I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_BTF) == RESET)) - { - I2C_MasterTransmit_TXE(hi2c); - } - /* BTF set -------------------------------------------------------------*/ - else if ((I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_BTF) != RESET) && (I2C_CHECK_IT_SOURCE(itsources, I2C_IT_EVT) != RESET)) - { - if (CurrentState == HAL_I2C_STATE_BUSY_TX) - { - I2C_MasterTransmit_BTF(hi2c); - } - else /* HAL_I2C_MODE_MEM */ - { - if (CurrentMode == HAL_I2C_MODE_MEM) - { - I2C_MemoryTransmit_TXE_BTF(hi2c); - } - } - } - else - { - /* Do nothing */ - } - } - } - /* I2C in mode Receiver --------------------------------------------------*/ - else - { - /* Do not check buffer and BTF flag if a Xfer DMA is on going */ - if (READ_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN) != I2C_CR2_DMAEN) - { - /* RXNE set and BTF reset -----------------------------------------------*/ - if ((I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_RXNE) != RESET) && (I2C_CHECK_IT_SOURCE(itsources, I2C_IT_BUF) != RESET) && (I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_BTF) == RESET)) - { - I2C_MasterReceive_RXNE(hi2c); - } - /* BTF set -------------------------------------------------------------*/ - else if ((I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_BTF) != RESET) && (I2C_CHECK_IT_SOURCE(itsources, I2C_IT_EVT) != RESET)) - { - I2C_MasterReceive_BTF(hi2c); - } - else - { - /* Do nothing */ - } - } - } - } - /* Slave mode selected */ - else - { - /* If an error is detected, read only SR1 register to prevent */ - /* a clear of ADDR flags by reading SR2 after reading SR1 in Error treatment */ - if (hi2c->ErrorCode != HAL_I2C_ERROR_NONE) - { - sr1itflags = READ_REG(hi2c->Instance->SR1); - } - else - { - sr2itflags = READ_REG(hi2c->Instance->SR2); - sr1itflags = READ_REG(hi2c->Instance->SR1); - } - - /* ADDR set --------------------------------------------------------------*/ - if ((I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_ADDR) != RESET) && (I2C_CHECK_IT_SOURCE(itsources, I2C_IT_EVT) != RESET)) - { - /* Now time to read SR2, this will clear ADDR flag automatically */ - if (hi2c->ErrorCode != HAL_I2C_ERROR_NONE) - { - sr2itflags = READ_REG(hi2c->Instance->SR2); - } - I2C_Slave_ADDR(hi2c, sr2itflags); - } - /* STOPF set --------------------------------------------------------------*/ - else if ((I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_STOPF) != RESET) && (I2C_CHECK_IT_SOURCE(itsources, I2C_IT_EVT) != RESET)) - { - I2C_Slave_STOPF(hi2c); - } - /* I2C in mode Transmitter -----------------------------------------------*/ - else if ((CurrentState == HAL_I2C_STATE_BUSY_TX) || (CurrentState == HAL_I2C_STATE_BUSY_TX_LISTEN)) - { - /* TXE set and BTF reset -----------------------------------------------*/ - if ((I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_TXE) != RESET) && (I2C_CHECK_IT_SOURCE(itsources, I2C_IT_BUF) != RESET) && (I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_BTF) == RESET)) - { - I2C_SlaveTransmit_TXE(hi2c); - } - /* BTF set -------------------------------------------------------------*/ - else if ((I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_BTF) != RESET) && (I2C_CHECK_IT_SOURCE(itsources, I2C_IT_EVT) != RESET)) - { - I2C_SlaveTransmit_BTF(hi2c); - } - else - { - /* Do nothing */ - } - } - /* I2C in mode Receiver --------------------------------------------------*/ - else - { - /* RXNE set and BTF reset ----------------------------------------------*/ - if ((I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_RXNE) != RESET) && (I2C_CHECK_IT_SOURCE(itsources, I2C_IT_BUF) != RESET) && (I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_BTF) == RESET)) - { - I2C_SlaveReceive_RXNE(hi2c); - } - /* BTF set -------------------------------------------------------------*/ - else if ((I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_BTF) != RESET) && (I2C_CHECK_IT_SOURCE(itsources, I2C_IT_EVT) != RESET)) - { - I2C_SlaveReceive_BTF(hi2c); - } - else - { - /* Do nothing */ - } - } - } -} - -/** - * @brief This function handles I2C error interrupt request. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval None - */ -void HAL_I2C_ER_IRQHandler(I2C_HandleTypeDef *hi2c) -{ - HAL_I2C_ModeTypeDef tmp1; - uint32_t tmp2; - HAL_I2C_StateTypeDef tmp3; - uint32_t tmp4; - uint32_t sr1itflags = READ_REG(hi2c->Instance->SR1); - uint32_t itsources = READ_REG(hi2c->Instance->CR2); - uint32_t error = HAL_I2C_ERROR_NONE; - HAL_I2C_ModeTypeDef CurrentMode = hi2c->Mode; - - /* I2C Bus error interrupt occurred ----------------------------------------*/ - if ((I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_BERR) != RESET) && (I2C_CHECK_IT_SOURCE(itsources, I2C_IT_ERR) != RESET)) - { - error |= HAL_I2C_ERROR_BERR; - - /* Clear BERR flag */ - __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_BERR); - } - - /* I2C Arbitration Lost error interrupt occurred ---------------------------*/ - if ((I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_ARLO) != RESET) && (I2C_CHECK_IT_SOURCE(itsources, I2C_IT_ERR) != RESET)) - { - error |= HAL_I2C_ERROR_ARLO; - - /* Clear ARLO flag */ - __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_ARLO); - } - - /* I2C Acknowledge failure error interrupt occurred ------------------------*/ - if ((I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_AF) != RESET) && (I2C_CHECK_IT_SOURCE(itsources, I2C_IT_ERR) != RESET)) - { - tmp1 = CurrentMode; - tmp2 = hi2c->XferCount; - tmp3 = hi2c->State; - tmp4 = hi2c->PreviousState; - if ((tmp1 == HAL_I2C_MODE_SLAVE) && (tmp2 == 0U) && \ - ((tmp3 == HAL_I2C_STATE_BUSY_TX) || (tmp3 == HAL_I2C_STATE_BUSY_TX_LISTEN) || \ - ((tmp3 == HAL_I2C_STATE_LISTEN) && (tmp4 == I2C_STATE_SLAVE_BUSY_TX)))) - { - I2C_Slave_AF(hi2c); - } - else - { - /* Clear AF flag */ - __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); - - error |= HAL_I2C_ERROR_AF; - - /* Do not generate a STOP in case of Slave receive non acknowledge during transfer (mean not at the end of transfer) */ - if ((CurrentMode == HAL_I2C_MODE_MASTER) || (CurrentMode == HAL_I2C_MODE_MEM)) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - } - } - - /* I2C Over-Run/Under-Run interrupt occurred -------------------------------*/ - if ((I2C_CHECK_FLAG(sr1itflags, I2C_FLAG_OVR) != RESET) && (I2C_CHECK_IT_SOURCE(itsources, I2C_IT_ERR) != RESET)) - { - error |= HAL_I2C_ERROR_OVR; - /* Clear OVR flag */ - __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_OVR); - } - - /* Call the Error Callback in case of Error detected -----------------------*/ - if (error != HAL_I2C_ERROR_NONE) - { - hi2c->ErrorCode |= error; - I2C_ITError(hi2c); - } -} - -/** - * @brief Master Tx Transfer completed callback. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval None - */ -__weak void HAL_I2C_MasterTxCpltCallback(I2C_HandleTypeDef *hi2c) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hi2c); - - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_I2C_MasterTxCpltCallback could be implemented in the user file - */ -} - -/** - * @brief Master Rx Transfer completed callback. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval None - */ -__weak void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef *hi2c) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hi2c); - - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_I2C_MasterRxCpltCallback could be implemented in the user file - */ -} - -/** @brief Slave Tx Transfer completed callback. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval None - */ -__weak void HAL_I2C_SlaveTxCpltCallback(I2C_HandleTypeDef *hi2c) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hi2c); - - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_I2C_SlaveTxCpltCallback could be implemented in the user file - */ -} - -/** - * @brief Slave Rx Transfer completed callback. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval None - */ -__weak void HAL_I2C_SlaveRxCpltCallback(I2C_HandleTypeDef *hi2c) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hi2c); - - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_I2C_SlaveRxCpltCallback could be implemented in the user file - */ -} - -/** - * @brief Slave Address Match callback. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param TransferDirection Master request Transfer Direction (Write/Read), value of @ref I2C_XferDirection_definition - * @param AddrMatchCode Address Match Code - * @retval None - */ -__weak void HAL_I2C_AddrCallback(I2C_HandleTypeDef *hi2c, uint8_t TransferDirection, uint16_t AddrMatchCode) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hi2c); - UNUSED(TransferDirection); - UNUSED(AddrMatchCode); - - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_I2C_AddrCallback() could be implemented in the user file - */ -} - -/** - * @brief Listen Complete callback. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval None - */ -__weak void HAL_I2C_ListenCpltCallback(I2C_HandleTypeDef *hi2c) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hi2c); - - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_I2C_ListenCpltCallback() could be implemented in the user file - */ -} - -/** - * @brief Memory Tx Transfer completed callback. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval None - */ -__weak void HAL_I2C_MemTxCpltCallback(I2C_HandleTypeDef *hi2c) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hi2c); - - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_I2C_MemTxCpltCallback could be implemented in the user file - */ -} - -/** - * @brief Memory Rx Transfer completed callback. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval None - */ -__weak void HAL_I2C_MemRxCpltCallback(I2C_HandleTypeDef *hi2c) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hi2c); - - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_I2C_MemRxCpltCallback could be implemented in the user file - */ -} - -/** - * @brief I2C error callback. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval None - */ -__weak void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hi2c); - - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_I2C_ErrorCallback could be implemented in the user file - */ -} - -/** - * @brief I2C abort callback. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval None - */ -__weak void HAL_I2C_AbortCpltCallback(I2C_HandleTypeDef *hi2c) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(hi2c); - - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_I2C_AbortCpltCallback could be implemented in the user file - */ -} - -/** - * @} - */ - -/** @defgroup I2C_Exported_Functions_Group3 Peripheral State, Mode and Error functions - * @brief Peripheral State, Mode and Error functions - * -@verbatim - =============================================================================== - ##### Peripheral State, Mode and Error functions ##### - =============================================================================== - [..] - This subsection permit to get in run-time the status of the peripheral - and the data flow. - -@endverbatim - * @{ - */ - -/** - * @brief Return the I2C handle state. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval HAL state - */ -HAL_I2C_StateTypeDef HAL_I2C_GetState(I2C_HandleTypeDef *hi2c) -{ - /* Return I2C handle state */ - return hi2c->State; -} - -/** - * @brief Returns the I2C Master, Slave, Memory or no mode. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @retval HAL mode - */ -HAL_I2C_ModeTypeDef HAL_I2C_GetMode(I2C_HandleTypeDef *hi2c) -{ - return hi2c->Mode; -} - -/** - * @brief Return the I2C error code. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval I2C Error Code - */ -uint32_t HAL_I2C_GetError(I2C_HandleTypeDef *hi2c) -{ - return hi2c->ErrorCode; -} - -/** - * @} - */ - -/** - * @} - */ - -/** @addtogroup I2C_Private_Functions - * @{ - */ - -/** - * @brief Handle TXE flag for Master - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @retval None - */ -static void I2C_MasterTransmit_TXE(I2C_HandleTypeDef *hi2c) -{ - /* Declaration of temporary variables to prevent undefined behavior of volatile usage */ - HAL_I2C_StateTypeDef CurrentState = hi2c->State; - HAL_I2C_ModeTypeDef CurrentMode = hi2c->Mode; - uint32_t CurrentXferOptions = hi2c->XferOptions; - - if ((hi2c->XferSize == 0U) && (CurrentState == HAL_I2C_STATE_BUSY_TX)) - { - /* Call TxCpltCallback() directly if no stop mode is set */ - if ((CurrentXferOptions != I2C_FIRST_AND_LAST_FRAME) && (CurrentXferOptions != I2C_LAST_FRAME) && (CurrentXferOptions != I2C_NO_OPTION_FRAME)) - { - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - hi2c->PreviousState = I2C_STATE_MASTER_BUSY_TX; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->MasterTxCpltCallback(hi2c); -#else - HAL_I2C_MasterTxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else /* Generate Stop condition then Call TxCpltCallback() */ - { - /* Disable EVT, BUF and ERR interrupt */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - - if (hi2c->Mode == HAL_I2C_MODE_MEM) - { - hi2c->Mode = HAL_I2C_MODE_NONE; -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->MemTxCpltCallback(hi2c); -#else - HAL_I2C_MemTxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else - { - hi2c->Mode = HAL_I2C_MODE_NONE; -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->MasterTxCpltCallback(hi2c); -#else - HAL_I2C_MasterTxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - } - } - else if ((CurrentState == HAL_I2C_STATE_BUSY_TX) || \ - ((CurrentMode == HAL_I2C_MODE_MEM) && (CurrentState == HAL_I2C_STATE_BUSY_RX))) - { - if (hi2c->XferCount == 0U) - { - /* Disable BUF interrupt */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_BUF); - } - else - { - if (hi2c->Mode == HAL_I2C_MODE_MEM) - { - I2C_MemoryTransmit_TXE_BTF(hi2c); - } - else - { - /* Write data to DR */ - hi2c->Instance->DR = *hi2c->pBuffPtr; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - } - } - } - else - { - /* Do nothing */ - } -} - -/** - * @brief Handle BTF flag for Master transmitter - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @retval None - */ -static void I2C_MasterTransmit_BTF(I2C_HandleTypeDef *hi2c) -{ - /* Declaration of temporary variables to prevent undefined behavior of volatile usage */ - uint32_t CurrentXferOptions = hi2c->XferOptions; - - if (hi2c->State == HAL_I2C_STATE_BUSY_TX) - { - if (hi2c->XferCount != 0U) - { - /* Write data to DR */ - hi2c->Instance->DR = *hi2c->pBuffPtr; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - } - else - { - /* Call TxCpltCallback() directly if no stop mode is set */ - if ((CurrentXferOptions != I2C_FIRST_AND_LAST_FRAME) && (CurrentXferOptions != I2C_LAST_FRAME) && (CurrentXferOptions != I2C_NO_OPTION_FRAME)) - { - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - hi2c->PreviousState = I2C_STATE_MASTER_BUSY_TX; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->MasterTxCpltCallback(hi2c); -#else - HAL_I2C_MasterTxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else /* Generate Stop condition then Call TxCpltCallback() */ - { - /* Disable EVT, BUF and ERR interrupt */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - if (hi2c->Mode == HAL_I2C_MODE_MEM) - { - hi2c->Mode = HAL_I2C_MODE_NONE; -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->MemTxCpltCallback(hi2c); -#else - HAL_I2C_MemTxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else - { - hi2c->Mode = HAL_I2C_MODE_NONE; - -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->MasterTxCpltCallback(hi2c); -#else - HAL_I2C_MasterTxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - } - } - } - else - { - /* Do nothing */ - } -} - -/** - * @brief Handle TXE and BTF flag for Memory transmitter - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @retval None - */ -static void I2C_MemoryTransmit_TXE_BTF(I2C_HandleTypeDef *hi2c) -{ - /* Declaration of temporary variables to prevent undefined behavior of volatile usage */ - HAL_I2C_StateTypeDef CurrentState = hi2c->State; - - if (hi2c->EventCount == 0U) - { - /* If Memory address size is 8Bit */ - if (hi2c->MemaddSize == I2C_MEMADD_SIZE_8BIT) - { - /* Send Memory Address */ - hi2c->Instance->DR = I2C_MEM_ADD_LSB(hi2c->Memaddress); - - hi2c->EventCount += 2U; - } - /* If Memory address size is 16Bit */ - else - { - /* Send MSB of Memory Address */ - hi2c->Instance->DR = I2C_MEM_ADD_MSB(hi2c->Memaddress); - - hi2c->EventCount++; - } - } - else if (hi2c->EventCount == 1U) - { - /* Send LSB of Memory Address */ - hi2c->Instance->DR = I2C_MEM_ADD_LSB(hi2c->Memaddress); - - hi2c->EventCount++; - } - else if (hi2c->EventCount == 2U) - { - if (CurrentState == HAL_I2C_STATE_BUSY_RX) - { - /* Generate Restart */ - hi2c->Instance->CR1 |= I2C_CR1_START; - - hi2c->EventCount++; - } - else if ((hi2c->XferCount > 0U) && (CurrentState == HAL_I2C_STATE_BUSY_TX)) - { - /* Write data to DR */ - hi2c->Instance->DR = *hi2c->pBuffPtr; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - } - else if ((hi2c->XferCount == 0U) && (CurrentState == HAL_I2C_STATE_BUSY_TX)) - { - /* Generate Stop condition then Call TxCpltCallback() */ - /* Disable EVT, BUF and ERR interrupt */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->MemTxCpltCallback(hi2c); -#else - HAL_I2C_MemTxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else - { - /* Do nothing */ - } - } - else - { - /* Clear TXE and BTF flags */ - I2C_Flush_DR(hi2c); - } -} - -/** - * @brief Handle RXNE flag for Master - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @retval None - */ -static void I2C_MasterReceive_RXNE(I2C_HandleTypeDef *hi2c) -{ - if (hi2c->State == HAL_I2C_STATE_BUSY_RX) - { - uint32_t tmp; - uint32_t CurrentXferOptions; - - CurrentXferOptions = hi2c->XferOptions; - tmp = hi2c->XferCount; - if (tmp > 3U) - { - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - - if (hi2c->XferCount == (uint16_t)3) - { - /* Disable BUF interrupt, this help to treat correctly the last 4 bytes - on BTF subroutine */ - /* Disable BUF interrupt */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_BUF); - } - } - else if ((hi2c->XferOptions != I2C_FIRST_AND_NEXT_FRAME) && ((tmp == 1U) || (tmp == 0U))) - { - if (I2C_WaitOnSTOPRequestThroughIT(hi2c) == HAL_OK) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Disable EVT, BUF and ERR interrupt */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - - hi2c->State = HAL_I2C_STATE_READY; - - if (hi2c->Mode == HAL_I2C_MODE_MEM) - { - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->PreviousState = I2C_STATE_NONE; - -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->MemRxCpltCallback(hi2c); -#else - HAL_I2C_MemRxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else - { - hi2c->Mode = HAL_I2C_MODE_NONE; - if ((CurrentXferOptions == I2C_FIRST_AND_LAST_FRAME) || (CurrentXferOptions == I2C_LAST_FRAME)) - { - hi2c->PreviousState = I2C_STATE_NONE; - } - else - { - hi2c->PreviousState = I2C_STATE_MASTER_BUSY_RX; - } - -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->MasterRxCpltCallback(hi2c); -#else - HAL_I2C_MasterRxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - } - else - { - /* Disable EVT, BUF and ERR interrupt */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Call user error callback */ -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->ErrorCallback(hi2c); -#else - HAL_I2C_ErrorCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - } - else - { - /* Disable BUF interrupt, this help to treat correctly the last 2 bytes - on BTF subroutine if there is a reception delay between N-1 and N byte */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_BUF); - } - } -} - -/** - * @brief Handle BTF flag for Master receiver - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @retval None - */ -static void I2C_MasterReceive_BTF(I2C_HandleTypeDef *hi2c) -{ - /* Declaration of temporary variables to prevent undefined behavior of volatile usage */ - uint32_t CurrentXferOptions = hi2c->XferOptions; - - if (hi2c->XferCount == 4U) - { - /* Disable BUF interrupt, this help to treat correctly the last 2 bytes - on BTF subroutine if there is a reception delay between N-1 and N byte */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_BUF); - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - } - else if (hi2c->XferCount == 3U) - { - /* Disable BUF interrupt, this help to treat correctly the last 2 bytes - on BTF subroutine if there is a reception delay between N-1 and N byte */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_BUF); - - if ((CurrentXferOptions != I2C_NEXT_FRAME) && (CurrentXferOptions != I2C_FIRST_AND_NEXT_FRAME)) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - } - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - } - else if (hi2c->XferCount == 2U) - { - /* Prepare next transfer or stop current transfer */ - if ((CurrentXferOptions == I2C_FIRST_FRAME) || (CurrentXferOptions == I2C_LAST_FRAME_NO_STOP)) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - } - else if ((CurrentXferOptions == I2C_NEXT_FRAME) || (CurrentXferOptions == I2C_FIRST_AND_NEXT_FRAME)) - { - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - } - else - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - - /* Disable EVT and ERR interrupt */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_ERR); - - hi2c->State = HAL_I2C_STATE_READY; - if (hi2c->Mode == HAL_I2C_MODE_MEM) - { - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->PreviousState = I2C_STATE_NONE; -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->MemRxCpltCallback(hi2c); -#else - HAL_I2C_MemRxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else - { - hi2c->Mode = HAL_I2C_MODE_NONE; - if ((CurrentXferOptions == I2C_FIRST_AND_LAST_FRAME) || (CurrentXferOptions == I2C_LAST_FRAME)) - { - hi2c->PreviousState = I2C_STATE_NONE; - } - else - { - hi2c->PreviousState = I2C_STATE_MASTER_BUSY_RX; - } -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->MasterRxCpltCallback(hi2c); -#else - HAL_I2C_MasterRxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - } - else - { - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - } -} - -/** - * @brief Handle SB flag for Master - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @retval None - */ -static void I2C_Master_SB(I2C_HandleTypeDef *hi2c) -{ - if (hi2c->Mode == HAL_I2C_MODE_MEM) - { - if (hi2c->EventCount == 0U) - { - /* Send slave address */ - hi2c->Instance->DR = I2C_7BIT_ADD_WRITE(hi2c->Devaddress); - } - else - { - hi2c->Instance->DR = I2C_7BIT_ADD_READ(hi2c->Devaddress); - } - } - else - { - if (hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_7BIT) - { - /* Send slave 7 Bits address */ - if (hi2c->State == HAL_I2C_STATE_BUSY_TX) - { - hi2c->Instance->DR = I2C_7BIT_ADD_WRITE(hi2c->Devaddress); - } - else - { - hi2c->Instance->DR = I2C_7BIT_ADD_READ(hi2c->Devaddress); - } - - if (((hi2c->hdmatx != NULL) && (hi2c->hdmatx->XferCpltCallback != NULL)) - || ((hi2c->hdmarx != NULL) && (hi2c->hdmarx->XferCpltCallback != NULL))) - { - /* Enable DMA Request */ - SET_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); - } - } - else - { - if (hi2c->EventCount == 0U) - { - /* Send header of slave address */ - hi2c->Instance->DR = I2C_10BIT_HEADER_WRITE(hi2c->Devaddress); - } - else if (hi2c->EventCount == 1U) - { - /* Send header of slave address */ - hi2c->Instance->DR = I2C_10BIT_HEADER_READ(hi2c->Devaddress); - } - else - { - /* Do nothing */ - } - } - } -} - -/** - * @brief Handle ADD10 flag for Master - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @retval None - */ -static void I2C_Master_ADD10(I2C_HandleTypeDef *hi2c) -{ - /* Send slave address */ - hi2c->Instance->DR = I2C_10BIT_ADDRESS(hi2c->Devaddress); - - if (((hi2c->hdmatx != NULL) && (hi2c->hdmatx->XferCpltCallback != NULL)) - || ((hi2c->hdmarx != NULL) && (hi2c->hdmarx->XferCpltCallback != NULL))) - { - /* Enable DMA Request */ - SET_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); - } -} - -/** - * @brief Handle ADDR flag for Master - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @retval None - */ -static void I2C_Master_ADDR(I2C_HandleTypeDef *hi2c) -{ - /* Declaration of temporary variable to prevent undefined behavior of volatile usage */ - HAL_I2C_ModeTypeDef CurrentMode = hi2c->Mode; - uint32_t CurrentXferOptions = hi2c->XferOptions; - uint32_t Prev_State = hi2c->PreviousState; - - if (hi2c->State == HAL_I2C_STATE_BUSY_RX) - { - if ((hi2c->EventCount == 0U) && (CurrentMode == HAL_I2C_MODE_MEM)) - { - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - } - else if ((hi2c->EventCount == 0U) && (hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_10BIT)) - { - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Generate Restart */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - - hi2c->EventCount++; - } - else - { - if (hi2c->XferCount == 0U) - { - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - else if (hi2c->XferCount == 1U) - { - if (CurrentXferOptions == I2C_NO_OPTION_FRAME) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - if ((hi2c->Instance->CR2 & I2C_CR2_DMAEN) == I2C_CR2_DMAEN) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - } - else - { - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - } - /* Prepare next transfer or stop current transfer */ - else if ((CurrentXferOptions != I2C_FIRST_AND_LAST_FRAME) && (CurrentXferOptions != I2C_LAST_FRAME) \ - && ((Prev_State != I2C_STATE_MASTER_BUSY_RX) || (CurrentXferOptions == I2C_FIRST_FRAME))) - { - if ((CurrentXferOptions != I2C_NEXT_FRAME) && (CurrentXferOptions != I2C_FIRST_AND_NEXT_FRAME) && (CurrentXferOptions != I2C_LAST_FRAME_NO_STOP)) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - } - else - { - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - } - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - } - else - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - } - else if (hi2c->XferCount == 2U) - { - if ((CurrentXferOptions != I2C_NEXT_FRAME) && (CurrentXferOptions != I2C_FIRST_AND_NEXT_FRAME) && (CurrentXferOptions != I2C_LAST_FRAME_NO_STOP)) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Enable Pos */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_POS); - } - else - { - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - } - - if (((hi2c->Instance->CR2 & I2C_CR2_DMAEN) == I2C_CR2_DMAEN) && ((CurrentXferOptions == I2C_NO_OPTION_FRAME) || (CurrentXferOptions == I2C_FIRST_FRAME) || (CurrentXferOptions == I2C_FIRST_AND_LAST_FRAME) || (CurrentXferOptions == I2C_LAST_FRAME_NO_STOP) || (CurrentXferOptions == I2C_LAST_FRAME))) - { - /* Enable Last DMA bit */ - SET_BIT(hi2c->Instance->CR2, I2C_CR2_LAST); - } - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - } - else - { - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - if (((hi2c->Instance->CR2 & I2C_CR2_DMAEN) == I2C_CR2_DMAEN) && ((CurrentXferOptions == I2C_NO_OPTION_FRAME) || (CurrentXferOptions == I2C_FIRST_FRAME) || (CurrentXferOptions == I2C_FIRST_AND_LAST_FRAME) || (CurrentXferOptions == I2C_LAST_FRAME_NO_STOP) || (CurrentXferOptions == I2C_LAST_FRAME))) - { - /* Enable Last DMA bit */ - SET_BIT(hi2c->Instance->CR2, I2C_CR2_LAST); - } - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - } - - /* Reset Event counter */ - hi2c->EventCount = 0U; - } - } - else - { - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - } -} - -/** - * @brief Handle TXE flag for Slave - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @retval None - */ -static void I2C_SlaveTransmit_TXE(I2C_HandleTypeDef *hi2c) -{ - /* Declaration of temporary variables to prevent undefined behavior of volatile usage */ - HAL_I2C_StateTypeDef CurrentState = hi2c->State; - - if (hi2c->XferCount != 0U) - { - /* Write data to DR */ - hi2c->Instance->DR = *hi2c->pBuffPtr; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - - if ((hi2c->XferCount == 0U) && (CurrentState == HAL_I2C_STATE_BUSY_TX_LISTEN)) - { - /* Last Byte is received, disable Interrupt */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_BUF); - - /* Set state at HAL_I2C_STATE_LISTEN */ - hi2c->PreviousState = I2C_STATE_SLAVE_BUSY_TX; - hi2c->State = HAL_I2C_STATE_LISTEN; - - /* Call the corresponding callback to inform upper layer of End of Transfer */ -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->SlaveTxCpltCallback(hi2c); -#else - HAL_I2C_SlaveTxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - } -} - -/** - * @brief Handle BTF flag for Slave transmitter - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @retval None - */ -static void I2C_SlaveTransmit_BTF(I2C_HandleTypeDef *hi2c) -{ - if (hi2c->XferCount != 0U) - { - /* Write data to DR */ - hi2c->Instance->DR = *hi2c->pBuffPtr; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - } -} - -/** - * @brief Handle RXNE flag for Slave - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @retval None - */ -static void I2C_SlaveReceive_RXNE(I2C_HandleTypeDef *hi2c) -{ - /* Declaration of temporary variables to prevent undefined behavior of volatile usage */ - HAL_I2C_StateTypeDef CurrentState = hi2c->State; - - if (hi2c->XferCount != 0U) - { - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - - if ((hi2c->XferCount == 0U) && (CurrentState == HAL_I2C_STATE_BUSY_RX_LISTEN)) - { - /* Last Byte is received, disable Interrupt */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_BUF); - - /* Set state at HAL_I2C_STATE_LISTEN */ - hi2c->PreviousState = I2C_STATE_SLAVE_BUSY_RX; - hi2c->State = HAL_I2C_STATE_LISTEN; - - /* Call the corresponding callback to inform upper layer of End of Transfer */ -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->SlaveRxCpltCallback(hi2c); -#else - HAL_I2C_SlaveRxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - } -} - -/** - * @brief Handle BTF flag for Slave receiver - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @retval None - */ -static void I2C_SlaveReceive_BTF(I2C_HandleTypeDef *hi2c) -{ - if (hi2c->XferCount != 0U) - { - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - } -} - -/** - * @brief Handle ADD flag for Slave - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @param IT2Flags Interrupt2 flags to handle. - * @retval None - */ -static void I2C_Slave_ADDR(I2C_HandleTypeDef *hi2c, uint32_t IT2Flags) -{ - uint8_t TransferDirection = I2C_DIRECTION_RECEIVE; - uint16_t SlaveAddrCode; - - if (((uint32_t)hi2c->State & (uint32_t)HAL_I2C_STATE_LISTEN) == (uint32_t)HAL_I2C_STATE_LISTEN) - { - /* Disable BUF interrupt, BUF enabling is manage through slave specific interface */ - __HAL_I2C_DISABLE_IT(hi2c, (I2C_IT_BUF)); - - /* Transfer Direction requested by Master */ - if (I2C_CHECK_FLAG(IT2Flags, I2C_FLAG_TRA) == RESET) - { - TransferDirection = I2C_DIRECTION_TRANSMIT; - } - - if (I2C_CHECK_FLAG(IT2Flags, I2C_FLAG_DUALF) == RESET) - { - SlaveAddrCode = (uint16_t)hi2c->Init.OwnAddress1; - } - else - { - SlaveAddrCode = (uint16_t)hi2c->Init.OwnAddress2; - } - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - /* Call Slave Addr callback */ -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->AddrCallback(hi2c, TransferDirection, SlaveAddrCode); -#else - HAL_I2C_AddrCallback(hi2c, TransferDirection, SlaveAddrCode); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else - { - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - } -} - -/** - * @brief Handle STOPF flag for Slave - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @retval None - */ -static void I2C_Slave_STOPF(I2C_HandleTypeDef *hi2c) -{ - /* Declaration of temporary variable to prevent undefined behavior of volatile usage */ - HAL_I2C_StateTypeDef CurrentState = hi2c->State; - - /* Disable EVT, BUF and ERR interrupt */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - /* Clear STOPF flag */ - __HAL_I2C_CLEAR_STOPFLAG(hi2c); - - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* If a DMA is ongoing, Update handle size context */ - if ((hi2c->Instance->CR2 & I2C_CR2_DMAEN) == I2C_CR2_DMAEN) - { - if ((CurrentState == HAL_I2C_STATE_BUSY_RX) || (CurrentState == HAL_I2C_STATE_BUSY_RX_LISTEN)) - { - hi2c->XferCount = (uint16_t)(I2C_GET_DMA_REMAIN_DATA(hi2c->hdmarx)); - - if (hi2c->XferCount != 0U) - { - /* Set ErrorCode corresponding to a Non-Acknowledge */ - hi2c->ErrorCode |= HAL_I2C_ERROR_AF; - } - - /* Disable, stop the current DMA */ - CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); - - /* Abort DMA Xfer if any */ - if (HAL_DMA_GetState(hi2c->hdmarx) != HAL_DMA_STATE_READY) - { - /* Set the I2C DMA Abort callback : - will lead to call HAL_I2C_ErrorCallback() at end of DMA abort procedure */ - hi2c->hdmarx->XferAbortCallback = I2C_DMAAbort; - - /* Abort DMA RX */ - if (HAL_DMA_Abort_IT(hi2c->hdmarx) != HAL_OK) - { - /* Call Directly XferAbortCallback function in case of error */ - hi2c->hdmarx->XferAbortCallback(hi2c->hdmarx); - } - } - } - else - { - hi2c->XferCount = (uint16_t)(I2C_GET_DMA_REMAIN_DATA(hi2c->hdmatx)); - - if (hi2c->XferCount != 0U) - { - /* Set ErrorCode corresponding to a Non-Acknowledge */ - hi2c->ErrorCode |= HAL_I2C_ERROR_AF; - } - - /* Disable, stop the current DMA */ - CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); - - /* Abort DMA Xfer if any */ - if (HAL_DMA_GetState(hi2c->hdmatx) != HAL_DMA_STATE_READY) - { - /* Set the I2C DMA Abort callback : - will lead to call HAL_I2C_ErrorCallback() at end of DMA abort procedure */ - hi2c->hdmatx->XferAbortCallback = I2C_DMAAbort; - - /* Abort DMA TX */ - if (HAL_DMA_Abort_IT(hi2c->hdmatx) != HAL_OK) - { - /* Call Directly XferAbortCallback function in case of error */ - hi2c->hdmatx->XferAbortCallback(hi2c->hdmatx); - } - } - } - } - - /* All data are not transferred, so set error code accordingly */ - if (hi2c->XferCount != 0U) - { - /* Store Last receive data if any */ - if (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == SET) - { - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - } - - /* Store Last receive data if any */ - if (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == SET) - { - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - - /* Update counter */ - hi2c->XferCount--; - } - - if (hi2c->XferCount != 0U) - { - /* Set ErrorCode corresponding to a Non-Acknowledge */ - hi2c->ErrorCode |= HAL_I2C_ERROR_AF; - } - } - - if (hi2c->ErrorCode != HAL_I2C_ERROR_NONE) - { - /* Call the corresponding callback to inform upper layer of End of Transfer */ - I2C_ITError(hi2c); - } - else - { - if (CurrentState == HAL_I2C_STATE_BUSY_RX_LISTEN) - { - /* Set state at HAL_I2C_STATE_LISTEN */ - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_LISTEN; - - /* Call the corresponding callback to inform upper layer of End of Transfer */ -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->SlaveRxCpltCallback(hi2c); -#else - HAL_I2C_SlaveRxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - - if (hi2c->State == HAL_I2C_STATE_LISTEN) - { - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Call the Listen Complete callback, to inform upper layer of the end of Listen usecase */ -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->ListenCpltCallback(hi2c); -#else - HAL_I2C_ListenCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else - { - if ((hi2c->PreviousState == I2C_STATE_SLAVE_BUSY_RX) || (CurrentState == HAL_I2C_STATE_BUSY_RX)) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->SlaveRxCpltCallback(hi2c); -#else - HAL_I2C_SlaveRxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - } - } -} - -/** - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @retval None - */ -static void I2C_Slave_AF(I2C_HandleTypeDef *hi2c) -{ - /* Declaration of temporary variables to prevent undefined behavior of volatile usage */ - HAL_I2C_StateTypeDef CurrentState = hi2c->State; - uint32_t CurrentXferOptions = hi2c->XferOptions; - - if (((CurrentXferOptions == I2C_FIRST_AND_LAST_FRAME) || (CurrentXferOptions == I2C_LAST_FRAME)) && \ - (CurrentState == HAL_I2C_STATE_LISTEN)) - { - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - - /* Disable EVT, BUF and ERR interrupt */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - /* Clear AF flag */ - __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); - - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Call the Listen Complete callback, to inform upper layer of the end of Listen usecase */ -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->ListenCpltCallback(hi2c); -#else - HAL_I2C_ListenCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else if (CurrentState == HAL_I2C_STATE_BUSY_TX) - { - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - hi2c->PreviousState = I2C_STATE_SLAVE_BUSY_TX; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Disable EVT, BUF and ERR interrupt */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - - /* Clear AF flag */ - __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); - - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Clear TXE flag */ - I2C_Flush_DR(hi2c); - -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->SlaveTxCpltCallback(hi2c); -#else - HAL_I2C_SlaveTxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else - { - /* Clear AF flag only */ - /* State Listen, but XferOptions == FIRST or NEXT */ - __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); - } -} - -/** - * @brief I2C interrupts error process - * @param hi2c I2C handle. - * @retval None - */ -static void I2C_ITError(I2C_HandleTypeDef *hi2c) -{ - /* Declaration of temporary variable to prevent undefined behavior of volatile usage */ - HAL_I2C_StateTypeDef CurrentState = hi2c->State; - HAL_I2C_ModeTypeDef CurrentMode = hi2c->Mode; - uint32_t CurrentError; - - if (((CurrentMode == HAL_I2C_MODE_MASTER) || (CurrentMode == HAL_I2C_MODE_MEM)) && (CurrentState == HAL_I2C_STATE_BUSY_RX)) - { - /* Disable Pos bit in I2C CR1 when error occurred in Master/Mem Receive IT Process */ - hi2c->Instance->CR1 &= ~I2C_CR1_POS; - } - - if (((uint32_t)CurrentState & (uint32_t)HAL_I2C_STATE_LISTEN) == (uint32_t)HAL_I2C_STATE_LISTEN) - { - /* keep HAL_I2C_STATE_LISTEN */ - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_LISTEN; - } - else - { - /* If state is an abort treatment on going, don't change state */ - /* This change will be do later */ - if ((READ_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN) != I2C_CR2_DMAEN) && (CurrentState != HAL_I2C_STATE_ABORT)) - { - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - } - hi2c->PreviousState = I2C_STATE_NONE; - } - - /* Abort DMA transfer */ - if (READ_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN) == I2C_CR2_DMAEN) - { - hi2c->Instance->CR2 &= ~I2C_CR2_DMAEN; - - if (hi2c->hdmatx->State != HAL_DMA_STATE_READY) - { - /* Set the DMA Abort callback : - will lead to call HAL_I2C_ErrorCallback() at end of DMA abort procedure */ - hi2c->hdmatx->XferAbortCallback = I2C_DMAAbort; - - if (HAL_DMA_Abort_IT(hi2c->hdmatx) != HAL_OK) - { - /* Disable I2C peripheral to prevent dummy data in buffer */ - __HAL_I2C_DISABLE(hi2c); - - hi2c->State = HAL_I2C_STATE_READY; - - /* Call Directly XferAbortCallback function in case of error */ - hi2c->hdmatx->XferAbortCallback(hi2c->hdmatx); - } - } - else - { - /* Set the DMA Abort callback : - will lead to call HAL_I2C_ErrorCallback() at end of DMA abort procedure */ - hi2c->hdmarx->XferAbortCallback = I2C_DMAAbort; - - if (HAL_DMA_Abort_IT(hi2c->hdmarx) != HAL_OK) - { - /* Store Last receive data if any */ - if (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == SET) - { - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - } - - /* Disable I2C peripheral to prevent dummy data in buffer */ - __HAL_I2C_DISABLE(hi2c); - - hi2c->State = HAL_I2C_STATE_READY; - - /* Call Directly hi2c->hdmarx->XferAbortCallback function in case of error */ - hi2c->hdmarx->XferAbortCallback(hi2c->hdmarx); - } - } - } - else if (hi2c->State == HAL_I2C_STATE_ABORT) - { - hi2c->State = HAL_I2C_STATE_READY; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Store Last receive data if any */ - if (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == SET) - { - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - } - - /* Disable I2C peripheral to prevent dummy data in buffer */ - __HAL_I2C_DISABLE(hi2c); - - /* Call the corresponding callback to inform upper layer of End of Transfer */ -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->AbortCpltCallback(hi2c); -#else - HAL_I2C_AbortCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else - { - /* Store Last receive data if any */ - if (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == SET) - { - /* Read data from DR */ - *hi2c->pBuffPtr = (uint8_t)hi2c->Instance->DR; - - /* Increment Buffer pointer */ - hi2c->pBuffPtr++; - } - - /* Call user error callback */ -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->ErrorCallback(hi2c); -#else - HAL_I2C_ErrorCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - - /* STOP Flag is not set after a NACK reception, BusError, ArbitrationLost, OverRun */ - CurrentError = hi2c->ErrorCode; - - if (((CurrentError & HAL_I2C_ERROR_BERR) == HAL_I2C_ERROR_BERR) || \ - ((CurrentError & HAL_I2C_ERROR_ARLO) == HAL_I2C_ERROR_ARLO) || \ - ((CurrentError & HAL_I2C_ERROR_AF) == HAL_I2C_ERROR_AF) || \ - ((CurrentError & HAL_I2C_ERROR_OVR) == HAL_I2C_ERROR_OVR)) - { - /* Disable EVT, BUF and ERR interrupt */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); - } - - /* So may inform upper layer that listen phase is stopped */ - /* during NACK error treatment */ - CurrentState = hi2c->State; - if (((hi2c->ErrorCode & HAL_I2C_ERROR_AF) == HAL_I2C_ERROR_AF) && (CurrentState == HAL_I2C_STATE_LISTEN)) - { - hi2c->XferOptions = I2C_NO_OPTION_FRAME; - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - /* Call the Listen Complete callback, to inform upper layer of the end of Listen usecase */ -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->ListenCpltCallback(hi2c); -#else - HAL_I2C_ListenCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } -} - -/** - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param Timeout Timeout duration - * @param Tickstart Tick start value - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_MasterRequestWrite(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Timeout, uint32_t Tickstart) -{ - /* Declaration of temporary variable to prevent undefined behavior of volatile usage */ - uint32_t CurrentXferOptions = hi2c->XferOptions; - - /* Generate Start condition if first transfer */ - if ((CurrentXferOptions == I2C_FIRST_AND_LAST_FRAME) || (CurrentXferOptions == I2C_FIRST_FRAME) || (CurrentXferOptions == I2C_NO_OPTION_FRAME)) - { - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - } - else if (hi2c->PreviousState == I2C_STATE_MASTER_BUSY_RX) - { - /* Generate ReStart */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - } - else - { - /* Do nothing */ - } - - /* Wait until SB flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout, Tickstart) != HAL_OK) - { - if (READ_BIT(hi2c->Instance->CR1, I2C_CR1_START) == I2C_CR1_START) - { - hi2c->ErrorCode = HAL_I2C_WRONG_START; - } - return HAL_TIMEOUT; - } - - if (hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_7BIT) - { - /* Send slave address */ - hi2c->Instance->DR = I2C_7BIT_ADD_WRITE(DevAddress); - } - else - { - /* Send header of slave address */ - hi2c->Instance->DR = I2C_10BIT_HEADER_WRITE(DevAddress); - - /* Wait until ADD10 flag is set */ - if (I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADD10, Timeout, Tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Send slave address */ - hi2c->Instance->DR = I2C_10BIT_ADDRESS(DevAddress); - } - - /* Wait until ADDR flag is set */ - if (I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, Timeout, Tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - return HAL_OK; -} - -/** - * @brief Master sends target device address for read request. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param Timeout Timeout duration - * @param Tickstart Tick start value - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_MasterRequestRead(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Timeout, uint32_t Tickstart) -{ - /* Declaration of temporary variable to prevent undefined behavior of volatile usage */ - uint32_t CurrentXferOptions = hi2c->XferOptions; - - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Generate Start condition if first transfer */ - if ((CurrentXferOptions == I2C_FIRST_AND_LAST_FRAME) || (CurrentXferOptions == I2C_FIRST_FRAME) || (CurrentXferOptions == I2C_NO_OPTION_FRAME)) - { - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - } - else if (hi2c->PreviousState == I2C_STATE_MASTER_BUSY_TX) - { - /* Generate ReStart */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - } - else - { - /* Do nothing */ - } - - /* Wait until SB flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout, Tickstart) != HAL_OK) - { - if (READ_BIT(hi2c->Instance->CR1, I2C_CR1_START) == I2C_CR1_START) - { - hi2c->ErrorCode = HAL_I2C_WRONG_START; - } - return HAL_TIMEOUT; - } - - if (hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_7BIT) - { - /* Send slave address */ - hi2c->Instance->DR = I2C_7BIT_ADD_READ(DevAddress); - } - else - { - /* Send header of slave address */ - hi2c->Instance->DR = I2C_10BIT_HEADER_WRITE(DevAddress); - - /* Wait until ADD10 flag is set */ - if (I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADD10, Timeout, Tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Send slave address */ - hi2c->Instance->DR = I2C_10BIT_ADDRESS(DevAddress); - - /* Wait until ADDR flag is set */ - if (I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, Timeout, Tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Generate Restart */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - - /* Wait until SB flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout, Tickstart) != HAL_OK) - { - if (READ_BIT(hi2c->Instance->CR1, I2C_CR1_START) == I2C_CR1_START) - { - hi2c->ErrorCode = HAL_I2C_WRONG_START; - } - return HAL_TIMEOUT; - } - - /* Send header of slave address */ - hi2c->Instance->DR = I2C_10BIT_HEADER_READ(DevAddress); - } - - /* Wait until ADDR flag is set */ - if (I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, Timeout, Tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - return HAL_OK; -} - -/** - * @brief Master sends target device address followed by internal memory address for write request. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param MemAddress Internal memory address - * @param MemAddSize Size of internal memory address - * @param Timeout Timeout duration - * @param Tickstart Tick start value - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_RequestMemoryWrite(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout, uint32_t Tickstart) -{ - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - - /* Wait until SB flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout, Tickstart) != HAL_OK) - { - if (READ_BIT(hi2c->Instance->CR1, I2C_CR1_START) == I2C_CR1_START) - { - hi2c->ErrorCode = HAL_I2C_WRONG_START; - } - return HAL_TIMEOUT; - } - - /* Send slave address */ - hi2c->Instance->DR = I2C_7BIT_ADD_WRITE(DevAddress); - - /* Wait until ADDR flag is set */ - if (I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, Timeout, Tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Wait until TXE flag is set */ - if (I2C_WaitOnTXEFlagUntilTimeout(hi2c, Timeout, Tickstart) != HAL_OK) - { - if (hi2c->ErrorCode == HAL_I2C_ERROR_AF) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - return HAL_ERROR; - } - - /* If Memory address size is 8Bit */ - if (MemAddSize == I2C_MEMADD_SIZE_8BIT) - { - /* Send Memory Address */ - hi2c->Instance->DR = I2C_MEM_ADD_LSB(MemAddress); - } - /* If Memory address size is 16Bit */ - else - { - /* Send MSB of Memory Address */ - hi2c->Instance->DR = I2C_MEM_ADD_MSB(MemAddress); - - /* Wait until TXE flag is set */ - if (I2C_WaitOnTXEFlagUntilTimeout(hi2c, Timeout, Tickstart) != HAL_OK) - { - if (hi2c->ErrorCode == HAL_I2C_ERROR_AF) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - return HAL_ERROR; - } - - /* Send LSB of Memory Address */ - hi2c->Instance->DR = I2C_MEM_ADD_LSB(MemAddress); - } - - return HAL_OK; -} - -/** - * @brief Master sends target device address followed by internal memory address for read request. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @param DevAddress Target device address: The device 7 bits address value - * in datasheet must be shifted to the left before calling the interface - * @param MemAddress Internal memory address - * @param MemAddSize Size of internal memory address - * @param Timeout Timeout duration - * @param Tickstart Tick start value - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_RequestMemoryRead(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout, uint32_t Tickstart) -{ - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* Generate Start */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - - /* Wait until SB flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout, Tickstart) != HAL_OK) - { - if (READ_BIT(hi2c->Instance->CR1, I2C_CR1_START) == I2C_CR1_START) - { - hi2c->ErrorCode = HAL_I2C_WRONG_START; - } - return HAL_TIMEOUT; - } - - /* Send slave address */ - hi2c->Instance->DR = I2C_7BIT_ADD_WRITE(DevAddress); - - /* Wait until ADDR flag is set */ - if (I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, Timeout, Tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - /* Clear ADDR flag */ - __HAL_I2C_CLEAR_ADDRFLAG(hi2c); - - /* Wait until TXE flag is set */ - if (I2C_WaitOnTXEFlagUntilTimeout(hi2c, Timeout, Tickstart) != HAL_OK) - { - if (hi2c->ErrorCode == HAL_I2C_ERROR_AF) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - return HAL_ERROR; - } - - /* If Memory address size is 8Bit */ - if (MemAddSize == I2C_MEMADD_SIZE_8BIT) - { - /* Send Memory Address */ - hi2c->Instance->DR = I2C_MEM_ADD_LSB(MemAddress); - } - /* If Memory address size is 16Bit */ - else - { - /* Send MSB of Memory Address */ - hi2c->Instance->DR = I2C_MEM_ADD_MSB(MemAddress); - - /* Wait until TXE flag is set */ - if (I2C_WaitOnTXEFlagUntilTimeout(hi2c, Timeout, Tickstart) != HAL_OK) - { - if (hi2c->ErrorCode == HAL_I2C_ERROR_AF) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - return HAL_ERROR; - } - - /* Send LSB of Memory Address */ - hi2c->Instance->DR = I2C_MEM_ADD_LSB(MemAddress); - } - - /* Wait until TXE flag is set */ - if (I2C_WaitOnTXEFlagUntilTimeout(hi2c, Timeout, Tickstart) != HAL_OK) - { - if (hi2c->ErrorCode == HAL_I2C_ERROR_AF) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - return HAL_ERROR; - } - - /* Generate Restart */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); - - /* Wait until SB flag is set */ - if (I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout, Tickstart) != HAL_OK) - { - if (READ_BIT(hi2c->Instance->CR1, I2C_CR1_START) == I2C_CR1_START) - { - hi2c->ErrorCode = HAL_I2C_WRONG_START; - } - return HAL_TIMEOUT; - } - - /* Send slave address */ - hi2c->Instance->DR = I2C_7BIT_ADD_READ(DevAddress); - - /* Wait until ADDR flag is set */ - if (I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, Timeout, Tickstart) != HAL_OK) - { - return HAL_ERROR; - } - - return HAL_OK; -} - -/** - * @brief DMA I2C process complete callback. - * @param hdma DMA handle - * @retval None - */ -static void I2C_DMAXferCplt(DMA_HandleTypeDef *hdma) -{ - I2C_HandleTypeDef *hi2c = (I2C_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; /* Derogation MISRAC2012-Rule-11.5 */ - - /* Declaration of temporary variable to prevent undefined behavior of volatile usage */ - HAL_I2C_StateTypeDef CurrentState = hi2c->State; - HAL_I2C_ModeTypeDef CurrentMode = hi2c->Mode; - uint32_t CurrentXferOptions = hi2c->XferOptions; - - /* Disable EVT and ERR interrupt */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_ERR); - - /* Clear Complete callback */ - if (hi2c->hdmatx != NULL) - { - hi2c->hdmatx->XferCpltCallback = NULL; - } - if (hi2c->hdmarx != NULL) - { - hi2c->hdmarx->XferCpltCallback = NULL; - } - - if ((((uint32_t)CurrentState & (uint32_t)HAL_I2C_STATE_BUSY_TX) == (uint32_t)HAL_I2C_STATE_BUSY_TX) || ((((uint32_t)CurrentState & (uint32_t)HAL_I2C_STATE_BUSY_RX) == (uint32_t)HAL_I2C_STATE_BUSY_RX) && (CurrentMode == HAL_I2C_MODE_SLAVE))) - { - /* Disable DMA Request */ - CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); - - hi2c->XferCount = 0U; - - if (CurrentState == HAL_I2C_STATE_BUSY_TX_LISTEN) - { - /* Set state at HAL_I2C_STATE_LISTEN */ - hi2c->PreviousState = I2C_STATE_SLAVE_BUSY_TX; - hi2c->State = HAL_I2C_STATE_LISTEN; - - /* Call the corresponding callback to inform upper layer of End of Transfer */ -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->SlaveTxCpltCallback(hi2c); -#else - HAL_I2C_SlaveTxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else if (CurrentState == HAL_I2C_STATE_BUSY_RX_LISTEN) - { - /* Set state at HAL_I2C_STATE_LISTEN */ - hi2c->PreviousState = I2C_STATE_SLAVE_BUSY_RX; - hi2c->State = HAL_I2C_STATE_LISTEN; - - /* Call the corresponding callback to inform upper layer of End of Transfer */ -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->SlaveRxCpltCallback(hi2c); -#else - HAL_I2C_SlaveRxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else - { - /* Do nothing */ - } - - /* Enable EVT and ERR interrupt to treat end of transfer in IRQ handler */ - __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_ERR); - } - /* Check current Mode, in case of treatment DMA handler have been preempted by a prior interrupt */ - else if (hi2c->Mode != HAL_I2C_MODE_NONE) - { - if (hi2c->XferCount == (uint16_t)1) - { - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - } - - /* Disable EVT and ERR interrupt */ - __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_ERR); - - /* Prepare next transfer or stop current transfer */ - if ((CurrentXferOptions == I2C_NO_OPTION_FRAME) || (CurrentXferOptions == I2C_FIRST_AND_LAST_FRAME) || (CurrentXferOptions == I2C_OTHER_AND_LAST_FRAME) || (CurrentXferOptions == I2C_LAST_FRAME)) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - } - - /* Disable Last DMA */ - CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_LAST); - - /* Disable DMA Request */ - CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); - - hi2c->XferCount = 0U; - - /* Check if Errors has been detected during transfer */ - if (hi2c->ErrorCode != HAL_I2C_ERROR_NONE) - { -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->ErrorCallback(hi2c); -#else - HAL_I2C_ErrorCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else - { - hi2c->State = HAL_I2C_STATE_READY; - - if (hi2c->Mode == HAL_I2C_MODE_MEM) - { - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->PreviousState = I2C_STATE_NONE; - -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->MemRxCpltCallback(hi2c); -#else - HAL_I2C_MemRxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else - { - hi2c->Mode = HAL_I2C_MODE_NONE; - if ((CurrentXferOptions == I2C_FIRST_AND_LAST_FRAME) || (CurrentXferOptions == I2C_LAST_FRAME)) - { - hi2c->PreviousState = I2C_STATE_NONE; - } - else - { - hi2c->PreviousState = I2C_STATE_MASTER_BUSY_RX; - } - -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->MasterRxCpltCallback(hi2c); -#else - HAL_I2C_MasterRxCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - } - } - else - { - /* Do nothing */ - } -} - -/** - * @brief DMA I2C communication error callback. - * @param hdma DMA handle - * @retval None - */ -static void I2C_DMAError(DMA_HandleTypeDef *hdma) -{ - I2C_HandleTypeDef *hi2c = (I2C_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; /* Derogation MISRAC2012-Rule-11.5 */ - - /* Clear Complete callback */ - if (hi2c->hdmatx != NULL) - { - hi2c->hdmatx->XferCpltCallback = NULL; - } - if (hi2c->hdmarx != NULL) - { - hi2c->hdmarx->XferCpltCallback = NULL; - } - - /* Ignore DMA FIFO error */ - if (HAL_DMA_GetError(hdma) != HAL_DMA_ERROR_FE) - { - /* Disable Acknowledge */ - hi2c->Instance->CR1 &= ~I2C_CR1_ACK; - - hi2c->XferCount = 0U; - - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - - hi2c->ErrorCode |= HAL_I2C_ERROR_DMA; - -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->ErrorCallback(hi2c); -#else - HAL_I2C_ErrorCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } -} - -/** - * @brief DMA I2C communication abort callback - * (To be called at end of DMA Abort procedure). - * @param hdma DMA handle. - * @retval None - */ -static void I2C_DMAAbort(DMA_HandleTypeDef *hdma) -{ - __IO uint32_t count = 0U; - I2C_HandleTypeDef *hi2c = (I2C_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; /* Derogation MISRAC2012-Rule-11.5 */ - - /* Declaration of temporary variable to prevent undefined behavior of volatile usage */ - HAL_I2C_StateTypeDef CurrentState = hi2c->State; - - /* During abort treatment, check that there is no pending STOP request */ - /* Wait until STOP flag is reset */ - count = I2C_TIMEOUT_FLAG * (SystemCoreClock / 25U / 1000U); - do - { - if (count == 0U) - { - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - break; - } - count--; - } - while (READ_BIT(hi2c->Instance->CR1, I2C_CR1_STOP) == I2C_CR1_STOP); - - /* Clear Complete callback */ - if (hi2c->hdmatx != NULL) - { - hi2c->hdmatx->XferCpltCallback = NULL; - } - if (hi2c->hdmarx != NULL) - { - hi2c->hdmarx->XferCpltCallback = NULL; - } - - /* Disable Acknowledge */ - CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - hi2c->XferCount = 0U; - - /* Reset XferAbortCallback */ - if (hi2c->hdmatx != NULL) - { - hi2c->hdmatx->XferAbortCallback = NULL; - } - if (hi2c->hdmarx != NULL) - { - hi2c->hdmarx->XferAbortCallback = NULL; - } - - /* Disable I2C peripheral to prevent dummy data in buffer */ - __HAL_I2C_DISABLE(hi2c); - - /* Check if come from abort from user */ - if (hi2c->State == HAL_I2C_STATE_ABORT) - { - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode = HAL_I2C_ERROR_NONE; - - /* Call the corresponding callback to inform upper layer of End of Transfer */ -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->AbortCpltCallback(hi2c); -#else - HAL_I2C_AbortCpltCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } - else - { - if (((uint32_t)CurrentState & (uint32_t)HAL_I2C_STATE_LISTEN) == (uint32_t)HAL_I2C_STATE_LISTEN) - { - /* Renable I2C peripheral */ - __HAL_I2C_ENABLE(hi2c); - - /* Enable Acknowledge */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); - - /* keep HAL_I2C_STATE_LISTEN */ - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_LISTEN; - } - else - { - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - } - - /* Call the corresponding callback to inform upper layer of End of Transfer */ -#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1) - hi2c->ErrorCallback(hi2c); -#else - HAL_I2C_ErrorCallback(hi2c); -#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */ - } -} - -/** - * @brief This function handles I2C Communication Timeout. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @param Flag specifies the I2C flag to check. - * @param Status The new Flag status (SET or RESET). - * @param Timeout Timeout duration - * @param Tickstart Tick start value - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_WaitOnFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Flag, FlagStatus Status, uint32_t Timeout, uint32_t Tickstart) -{ - /* Wait until flag is set */ - while (__HAL_I2C_GET_FLAG(hi2c, Flag) == Status) - { - /* Check for the Timeout */ - if (Timeout != HAL_MAX_DELAY) - { - if (((HAL_GetTick() - Tickstart) > Timeout) || (Timeout == 0U)) - { - if ((__HAL_I2C_GET_FLAG(hi2c, Flag) == Status)) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - } - } - return HAL_OK; -} - -/** - * @brief This function handles I2C Communication Timeout for Master addressing phase. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for I2C module - * @param Flag specifies the I2C flag to check. - * @param Timeout Timeout duration - * @param Tickstart Tick start value - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_WaitOnMasterAddressFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Flag, uint32_t Timeout, uint32_t Tickstart) -{ - while (__HAL_I2C_GET_FLAG(hi2c, Flag) == RESET) - { - if (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == SET) - { - /* Generate Stop */ - SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); - - /* Clear AF Flag */ - __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); - - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_AF; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - - /* Check for the Timeout */ - if (Timeout != HAL_MAX_DELAY) - { - if (((HAL_GetTick() - Tickstart) > Timeout) || (Timeout == 0U)) - { - if ((__HAL_I2C_GET_FLAG(hi2c, Flag) == RESET)) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - } - } - return HAL_OK; -} - -/** - * @brief This function handles I2C Communication Timeout for specific usage of TXE flag. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param Timeout Timeout duration - * @param Tickstart Tick start value - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_WaitOnTXEFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout, uint32_t Tickstart) -{ - while (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TXE) == RESET) - { - /* Check if a NACK is detected */ - if (I2C_IsAcknowledgeFailed(hi2c) != HAL_OK) - { - return HAL_ERROR; - } - - /* Check for the Timeout */ - if (Timeout != HAL_MAX_DELAY) - { - if (((HAL_GetTick() - Tickstart) > Timeout) || (Timeout == 0U)) - { - if ((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TXE) == RESET)) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - } - } - return HAL_OK; -} - -/** - * @brief This function handles I2C Communication Timeout for specific usage of BTF flag. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param Timeout Timeout duration - * @param Tickstart Tick start value - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_WaitOnBTFFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout, uint32_t Tickstart) -{ - while (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == RESET) - { - /* Check if a NACK is detected */ - if (I2C_IsAcknowledgeFailed(hi2c) != HAL_OK) - { - return HAL_ERROR; - } - - /* Check for the Timeout */ - if (Timeout != HAL_MAX_DELAY) - { - if (((HAL_GetTick() - Tickstart) > Timeout) || (Timeout == 0U)) - { - if ((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == RESET)) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - } - } - return HAL_OK; -} - -/** - * @brief This function handles I2C Communication Timeout for specific usage of STOP flag. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param Timeout Timeout duration - * @param Tickstart Tick start value - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_WaitOnSTOPFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout, uint32_t Tickstart) -{ - while (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == RESET) - { - /* Check if a NACK is detected */ - if (I2C_IsAcknowledgeFailed(hi2c) != HAL_OK) - { - return HAL_ERROR; - } - - /* Check for the Timeout */ - if (((HAL_GetTick() - Tickstart) > Timeout) || (Timeout == 0U)) - { - if ((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == RESET)) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - } - return HAL_OK; -} - -/** - * @brief This function handles I2C Communication Timeout for specific usage of STOP request through Interrupt. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_WaitOnSTOPRequestThroughIT(I2C_HandleTypeDef *hi2c) -{ - __IO uint32_t count = 0U; - - /* Wait until STOP flag is reset */ - count = I2C_TIMEOUT_STOP_FLAG * (SystemCoreClock / 25U / 1000U); - do - { - count--; - if (count == 0U) - { - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - return HAL_ERROR; - } - } - while (READ_BIT(hi2c->Instance->CR1, I2C_CR1_STOP) == I2C_CR1_STOP); - - return HAL_OK; -} - -/** - * @brief This function handles I2C Communication Timeout for specific usage of RXNE flag. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @param Timeout Timeout duration - * @param Tickstart Tick start value - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_WaitOnRXNEFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout, uint32_t Tickstart) -{ - - while (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == RESET) - { - /* Check if a STOPF is detected */ - if (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) - { - /* Clear STOP Flag */ - __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); - - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_NONE; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - - /* Check for the Timeout */ - if (((HAL_GetTick() - Tickstart) > Timeout) || (Timeout == 0U)) - { - if ((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == RESET)) - { - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - } - } - return HAL_OK; -} - -/** - * @brief This function handles Acknowledge failed detection during an I2C Communication. - * @param hi2c Pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2C. - * @retval HAL status - */ -static HAL_StatusTypeDef I2C_IsAcknowledgeFailed(I2C_HandleTypeDef *hi2c) -{ - if (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == SET) - { - /* Clear NACKF Flag */ - __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); - - hi2c->PreviousState = I2C_STATE_NONE; - hi2c->State = HAL_I2C_STATE_READY; - hi2c->Mode = HAL_I2C_MODE_NONE; - hi2c->ErrorCode |= HAL_I2C_ERROR_AF; - - /* Process Unlocked */ - __HAL_UNLOCK(hi2c); - - return HAL_ERROR; - } - return HAL_OK; -} - -/** - * @brief Convert I2Cx OTHER_xxx XferOptions to functional XferOptions. - * @param hi2c I2C handle. - * @retval None - */ -static void I2C_ConvertOtherXferOptions(I2C_HandleTypeDef *hi2c) -{ - /* if user set XferOptions to I2C_OTHER_FRAME */ - /* it request implicitly to generate a restart condition */ - /* set XferOptions to I2C_FIRST_FRAME */ - if (hi2c->XferOptions == I2C_OTHER_FRAME) - { - hi2c->XferOptions = I2C_FIRST_FRAME; - } - /* else if user set XferOptions to I2C_OTHER_AND_LAST_FRAME */ - /* it request implicitly to generate a restart condition */ - /* then generate a stop condition at the end of transfer */ - /* set XferOptions to I2C_FIRST_AND_LAST_FRAME */ - else if (hi2c->XferOptions == I2C_OTHER_AND_LAST_FRAME) - { - hi2c->XferOptions = I2C_FIRST_AND_LAST_FRAME; - } - else - { - /* Nothing to do */ - } -} - -/** - * @} - */ - -#endif /* HAL_I2C_MODULE_ENABLED */ -/** - * @} - */ - -/** - * @} - */ - diff --git a/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c_ex.c b/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c_ex.c deleted file mode 100644 index 351f4fd..0000000 --- a/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_i2c_ex.c +++ /dev/null @@ -1,182 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f4xx_hal_i2c_ex.c - * @author MCD Application Team - * @brief I2C Extension HAL module driver. - * This file provides firmware functions to manage the following - * functionalities of I2C extension peripheral: - * + Extension features functions - * - ****************************************************************************** - * @attention - * - * Copyright (c) 2016 STMicroelectronics. - * All rights reserved. - * - * This software is licensed under terms that can be found in the LICENSE file - * in the root directory of this software component. - * If no LICENSE file comes with this software, it is provided AS-IS. - * - ****************************************************************************** - @verbatim - ============================================================================== - ##### I2C peripheral extension features ##### - ============================================================================== - - [..] Comparing to other previous devices, the I2C interface for STM32F427xx/437xx/ - 429xx/439xx devices contains the following additional features : - - (+) Possibility to disable or enable Analog Noise Filter - (+) Use of a configured Digital Noise Filter - - ##### How to use this driver ##### - ============================================================================== - [..] This driver provides functions to configure Noise Filter - (#) Configure I2C Analog noise filter using the function HAL_I2C_AnalogFilter_Config() - (#) Configure I2C Digital noise filter using the function HAL_I2C_DigitalFilter_Config() - - @endverbatim - */ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f4xx_hal.h" - -/** @addtogroup STM32F4xx_HAL_Driver - * @{ - */ - -/** @defgroup I2CEx I2CEx - * @brief I2C HAL module driver - * @{ - */ - -#ifdef HAL_I2C_MODULE_ENABLED - -#if defined(I2C_FLTR_ANOFF)&&defined(I2C_FLTR_DNF) -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/* Exported functions --------------------------------------------------------*/ -/** @defgroup I2CEx_Exported_Functions I2C Exported Functions - * @{ - */ - - -/** @defgroup I2CEx_Exported_Functions_Group1 Extension features functions - * @brief Extension features functions - * -@verbatim - =============================================================================== - ##### Extension features functions ##### - =============================================================================== - [..] This section provides functions allowing to: - (+) Configure Noise Filters - -@endverbatim - * @{ - */ - -/** - * @brief Configures I2C Analog noise filter. - * @param hi2c pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2Cx peripheral. - * @param AnalogFilter new state of the Analog filter. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2CEx_ConfigAnalogFilter(I2C_HandleTypeDef *hi2c, uint32_t AnalogFilter) -{ - /* Check the parameters */ - assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); - assert_param(IS_I2C_ANALOG_FILTER(AnalogFilter)); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - hi2c->State = HAL_I2C_STATE_BUSY; - - /* Disable the selected I2C peripheral */ - __HAL_I2C_DISABLE(hi2c); - - /* Reset I2Cx ANOFF bit */ - hi2c->Instance->FLTR &= ~(I2C_FLTR_ANOFF); - - /* Disable the analog filter */ - hi2c->Instance->FLTR |= AnalogFilter; - - __HAL_I2C_ENABLE(hi2c); - - hi2c->State = HAL_I2C_STATE_READY; - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Configures I2C Digital noise filter. - * @param hi2c pointer to a I2C_HandleTypeDef structure that contains - * the configuration information for the specified I2Cx peripheral. - * @param DigitalFilter Coefficient of digital noise filter between 0x00 and 0x0F. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_I2CEx_ConfigDigitalFilter(I2C_HandleTypeDef *hi2c, uint32_t DigitalFilter) -{ - uint16_t tmpreg = 0; - - /* Check the parameters */ - assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); - assert_param(IS_I2C_DIGITAL_FILTER(DigitalFilter)); - - if (hi2c->State == HAL_I2C_STATE_READY) - { - hi2c->State = HAL_I2C_STATE_BUSY; - - /* Disable the selected I2C peripheral */ - __HAL_I2C_DISABLE(hi2c); - - /* Get the old register value */ - tmpreg = hi2c->Instance->FLTR; - - /* Reset I2Cx DNF bit [3:0] */ - tmpreg &= ~(I2C_FLTR_DNF); - - /* Set I2Cx DNF coefficient */ - tmpreg |= DigitalFilter; - - /* Store the new register value */ - hi2c->Instance->FLTR = tmpreg; - - __HAL_I2C_ENABLE(hi2c); - - hi2c->State = HAL_I2C_STATE_READY; - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @} - */ - -/** - * @} - */ -#endif - -#endif /* HAL_I2C_MODULE_ENABLED */ -/** - * @} - */ - -/** - * @} - */ - diff --git a/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_dma.c b/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_dma.c new file mode 100644 index 0000000..a83c086 --- /dev/null +++ b/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_dma.c @@ -0,0 +1,423 @@ +/** + ****************************************************************************** + * @file stm32f4xx_ll_dma.c + * @author MCD Application Team + * @brief DMA LL module driver. + ****************************************************************************** + * @attention + * + * Copyright (c) 2017 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file in + * the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ +#if defined(USE_FULL_LL_DRIVER) + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f4xx_ll_dma.h" +#include "stm32f4xx_ll_bus.h" +#ifdef USE_FULL_ASSERT +#include "stm32_assert.h" +#else +#define assert_param(expr) ((void)0U) +#endif + +/** @addtogroup STM32F4xx_LL_Driver + * @{ + */ + +#if defined (DMA1) || defined (DMA2) + +/** @defgroup DMA_LL DMA + * @{ + */ + +/* Private types -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private constants ---------------------------------------------------------*/ +/* Private macros ------------------------------------------------------------*/ +/** @addtogroup DMA_LL_Private_Macros + * @{ + */ +#define IS_LL_DMA_DIRECTION(__VALUE__) (((__VALUE__) == LL_DMA_DIRECTION_PERIPH_TO_MEMORY) || \ + ((__VALUE__) == LL_DMA_DIRECTION_MEMORY_TO_PERIPH) || \ + ((__VALUE__) == LL_DMA_DIRECTION_MEMORY_TO_MEMORY)) + +#define IS_LL_DMA_MODE(__VALUE__) (((__VALUE__) == LL_DMA_MODE_NORMAL) || \ + ((__VALUE__) == LL_DMA_MODE_CIRCULAR) || \ + ((__VALUE__) == LL_DMA_MODE_PFCTRL)) + +#define IS_LL_DMA_PERIPHINCMODE(__VALUE__) (((__VALUE__) == LL_DMA_PERIPH_INCREMENT) || \ + ((__VALUE__) == LL_DMA_PERIPH_NOINCREMENT)) + +#define IS_LL_DMA_MEMORYINCMODE(__VALUE__) (((__VALUE__) == LL_DMA_MEMORY_INCREMENT) || \ + ((__VALUE__) == LL_DMA_MEMORY_NOINCREMENT)) + +#define IS_LL_DMA_PERIPHDATASIZE(__VALUE__) (((__VALUE__) == LL_DMA_PDATAALIGN_BYTE) || \ + ((__VALUE__) == LL_DMA_PDATAALIGN_HALFWORD) || \ + ((__VALUE__) == LL_DMA_PDATAALIGN_WORD)) + +#define IS_LL_DMA_MEMORYDATASIZE(__VALUE__) (((__VALUE__) == LL_DMA_MDATAALIGN_BYTE) || \ + ((__VALUE__) == LL_DMA_MDATAALIGN_HALFWORD) || \ + ((__VALUE__) == LL_DMA_MDATAALIGN_WORD)) + +#define IS_LL_DMA_NBDATA(__VALUE__) ((__VALUE__) <= 0x0000FFFFU) + +#define IS_LL_DMA_CHANNEL(__VALUE__) (((__VALUE__) == LL_DMA_CHANNEL_0) || \ + ((__VALUE__) == LL_DMA_CHANNEL_1) || \ + ((__VALUE__) == LL_DMA_CHANNEL_2) || \ + ((__VALUE__) == LL_DMA_CHANNEL_3) || \ + ((__VALUE__) == LL_DMA_CHANNEL_4) || \ + ((__VALUE__) == LL_DMA_CHANNEL_5) || \ + ((__VALUE__) == LL_DMA_CHANNEL_6) || \ + ((__VALUE__) == LL_DMA_CHANNEL_7)) + +#define IS_LL_DMA_PRIORITY(__VALUE__) (((__VALUE__) == LL_DMA_PRIORITY_LOW) || \ + ((__VALUE__) == LL_DMA_PRIORITY_MEDIUM) || \ + ((__VALUE__) == LL_DMA_PRIORITY_HIGH) || \ + ((__VALUE__) == LL_DMA_PRIORITY_VERYHIGH)) + +#define IS_LL_DMA_ALL_STREAM_INSTANCE(INSTANCE, STREAM) ((((INSTANCE) == DMA1) && \ + (((STREAM) == LL_DMA_STREAM_0) || \ + ((STREAM) == LL_DMA_STREAM_1) || \ + ((STREAM) == LL_DMA_STREAM_2) || \ + ((STREAM) == LL_DMA_STREAM_3) || \ + ((STREAM) == LL_DMA_STREAM_4) || \ + ((STREAM) == LL_DMA_STREAM_5) || \ + ((STREAM) == LL_DMA_STREAM_6) || \ + ((STREAM) == LL_DMA_STREAM_7) || \ + ((STREAM) == LL_DMA_STREAM_ALL))) ||\ + (((INSTANCE) == DMA2) && \ + (((STREAM) == LL_DMA_STREAM_0) || \ + ((STREAM) == LL_DMA_STREAM_1) || \ + ((STREAM) == LL_DMA_STREAM_2) || \ + ((STREAM) == LL_DMA_STREAM_3) || \ + ((STREAM) == LL_DMA_STREAM_4) || \ + ((STREAM) == LL_DMA_STREAM_5) || \ + ((STREAM) == LL_DMA_STREAM_6) || \ + ((STREAM) == LL_DMA_STREAM_7) || \ + ((STREAM) == LL_DMA_STREAM_ALL)))) + +#define IS_LL_DMA_FIFO_MODE_STATE(STATE) (((STATE) == LL_DMA_FIFOMODE_DISABLE ) || \ + ((STATE) == LL_DMA_FIFOMODE_ENABLE)) + +#define IS_LL_DMA_FIFO_THRESHOLD(THRESHOLD) (((THRESHOLD) == LL_DMA_FIFOTHRESHOLD_1_4) || \ + ((THRESHOLD) == LL_DMA_FIFOTHRESHOLD_1_2) || \ + ((THRESHOLD) == LL_DMA_FIFOTHRESHOLD_3_4) || \ + ((THRESHOLD) == LL_DMA_FIFOTHRESHOLD_FULL)) + +#define IS_LL_DMA_MEMORY_BURST(BURST) (((BURST) == LL_DMA_MBURST_SINGLE) || \ + ((BURST) == LL_DMA_MBURST_INC4) || \ + ((BURST) == LL_DMA_MBURST_INC8) || \ + ((BURST) == LL_DMA_MBURST_INC16)) + +#define IS_LL_DMA_PERIPHERAL_BURST(BURST) (((BURST) == LL_DMA_PBURST_SINGLE) || \ + ((BURST) == LL_DMA_PBURST_INC4) || \ + ((BURST) == LL_DMA_PBURST_INC8) || \ + ((BURST) == LL_DMA_PBURST_INC16)) + +/** + * @} + */ + +/* Private function prototypes -----------------------------------------------*/ + +/* Exported functions --------------------------------------------------------*/ +/** @addtogroup DMA_LL_Exported_Functions + * @{ + */ + +/** @addtogroup DMA_LL_EF_Init + * @{ + */ + +/** + * @brief De-initialize the DMA registers to their default reset values. + * @param DMAx DMAx Instance + * @param Stream This parameter can be one of the following values: + * @arg @ref LL_DMA_STREAM_0 + * @arg @ref LL_DMA_STREAM_1 + * @arg @ref LL_DMA_STREAM_2 + * @arg @ref LL_DMA_STREAM_3 + * @arg @ref LL_DMA_STREAM_4 + * @arg @ref LL_DMA_STREAM_5 + * @arg @ref LL_DMA_STREAM_6 + * @arg @ref LL_DMA_STREAM_7 + * @arg @ref LL_DMA_STREAM_ALL + * @retval An ErrorStatus enumeration value: + * - SUCCESS: DMA registers are de-initialized + * - ERROR: DMA registers are not de-initialized + */ +uint32_t LL_DMA_DeInit(DMA_TypeDef *DMAx, uint32_t Stream) +{ + DMA_Stream_TypeDef *tmp = (DMA_Stream_TypeDef *)DMA1_Stream0; + ErrorStatus status = SUCCESS; + + /* Check the DMA Instance DMAx and Stream parameters*/ + assert_param(IS_LL_DMA_ALL_STREAM_INSTANCE(DMAx, Stream)); + + if (Stream == LL_DMA_STREAM_ALL) + { + if (DMAx == DMA1) + { + /* Force reset of DMA clock */ + LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_DMA1); + + /* Release reset of DMA clock */ + LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_DMA1); + } + else if (DMAx == DMA2) + { + /* Force reset of DMA clock */ + LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_DMA2); + + /* Release reset of DMA clock */ + LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_DMA2); + } + else + { + status = ERROR; + } + } + else + { + /* Disable the selected Stream */ + LL_DMA_DisableStream(DMAx,Stream); + + /* Get the DMA Stream Instance */ + tmp = (DMA_Stream_TypeDef *)(__LL_DMA_GET_STREAM_INSTANCE(DMAx, Stream)); + + /* Reset DMAx_Streamy configuration register */ + LL_DMA_WriteReg(tmp, CR, 0U); + + /* Reset DMAx_Streamy remaining bytes register */ + LL_DMA_WriteReg(tmp, NDTR, 0U); + + /* Reset DMAx_Streamy peripheral address register */ + LL_DMA_WriteReg(tmp, PAR, 0U); + + /* Reset DMAx_Streamy memory address register */ + LL_DMA_WriteReg(tmp, M0AR, 0U); + + /* Reset DMAx_Streamy memory address register */ + LL_DMA_WriteReg(tmp, M1AR, 0U); + + /* Reset DMAx_Streamy FIFO control register */ + LL_DMA_WriteReg(tmp, FCR, 0x00000021U); + + /* Reset Channel register field for DMAx Stream*/ + LL_DMA_SetChannelSelection(DMAx, Stream, LL_DMA_CHANNEL_0); + + if(Stream == LL_DMA_STREAM_0) + { + /* Reset the Stream0 pending flags */ + DMAx->LIFCR = 0x0000003FU; + } + else if(Stream == LL_DMA_STREAM_1) + { + /* Reset the Stream1 pending flags */ + DMAx->LIFCR = 0x00000F40U; + } + else if(Stream == LL_DMA_STREAM_2) + { + /* Reset the Stream2 pending flags */ + DMAx->LIFCR = 0x003F0000U; + } + else if(Stream == LL_DMA_STREAM_3) + { + /* Reset the Stream3 pending flags */ + DMAx->LIFCR = 0x0F400000U; + } + else if(Stream == LL_DMA_STREAM_4) + { + /* Reset the Stream4 pending flags */ + DMAx->HIFCR = 0x0000003FU; + } + else if(Stream == LL_DMA_STREAM_5) + { + /* Reset the Stream5 pending flags */ + DMAx->HIFCR = 0x00000F40U; + } + else if(Stream == LL_DMA_STREAM_6) + { + /* Reset the Stream6 pending flags */ + DMAx->HIFCR = 0x003F0000U; + } + else if(Stream == LL_DMA_STREAM_7) + { + /* Reset the Stream7 pending flags */ + DMAx->HIFCR = 0x0F400000U; + } + else + { + status = ERROR; + } + } + + return status; +} + +/** + * @brief Initialize the DMA registers according to the specified parameters in DMA_InitStruct. + * @note To convert DMAx_Streamy Instance to DMAx Instance and Streamy, use helper macros : + * @arg @ref __LL_DMA_GET_INSTANCE + * @arg @ref __LL_DMA_GET_STREAM + * @param DMAx DMAx Instance + * @param Stream This parameter can be one of the following values: + * @arg @ref LL_DMA_STREAM_0 + * @arg @ref LL_DMA_STREAM_1 + * @arg @ref LL_DMA_STREAM_2 + * @arg @ref LL_DMA_STREAM_3 + * @arg @ref LL_DMA_STREAM_4 + * @arg @ref LL_DMA_STREAM_5 + * @arg @ref LL_DMA_STREAM_6 + * @arg @ref LL_DMA_STREAM_7 + * @param DMA_InitStruct pointer to a @ref LL_DMA_InitTypeDef structure. + * @retval An ErrorStatus enumeration value: + * - SUCCESS: DMA registers are initialized + * - ERROR: Not applicable + */ +uint32_t LL_DMA_Init(DMA_TypeDef *DMAx, uint32_t Stream, LL_DMA_InitTypeDef *DMA_InitStruct) +{ + /* Check the DMA Instance DMAx and Stream parameters*/ + assert_param(IS_LL_DMA_ALL_STREAM_INSTANCE(DMAx, Stream)); + + /* Check the DMA parameters from DMA_InitStruct */ + assert_param(IS_LL_DMA_DIRECTION(DMA_InitStruct->Direction)); + assert_param(IS_LL_DMA_MODE(DMA_InitStruct->Mode)); + assert_param(IS_LL_DMA_PERIPHINCMODE(DMA_InitStruct->PeriphOrM2MSrcIncMode)); + assert_param(IS_LL_DMA_MEMORYINCMODE(DMA_InitStruct->MemoryOrM2MDstIncMode)); + assert_param(IS_LL_DMA_PERIPHDATASIZE(DMA_InitStruct->PeriphOrM2MSrcDataSize)); + assert_param(IS_LL_DMA_MEMORYDATASIZE(DMA_InitStruct->MemoryOrM2MDstDataSize)); + assert_param(IS_LL_DMA_NBDATA(DMA_InitStruct->NbData)); + assert_param(IS_LL_DMA_CHANNEL(DMA_InitStruct->Channel)); + assert_param(IS_LL_DMA_PRIORITY(DMA_InitStruct->Priority)); + assert_param(IS_LL_DMA_FIFO_MODE_STATE(DMA_InitStruct->FIFOMode)); + /* Check the memory burst, peripheral burst and FIFO threshold parameters only + when FIFO mode is enabled */ + if(DMA_InitStruct->FIFOMode != LL_DMA_FIFOMODE_DISABLE) + { + assert_param(IS_LL_DMA_FIFO_THRESHOLD(DMA_InitStruct->FIFOThreshold)); + assert_param(IS_LL_DMA_MEMORY_BURST(DMA_InitStruct->MemBurst)); + assert_param(IS_LL_DMA_PERIPHERAL_BURST(DMA_InitStruct->PeriphBurst)); + } + + /*---------------------------- DMAx SxCR Configuration ------------------------ + * Configure DMAx_Streamy: data transfer direction, data transfer mode, + * peripheral and memory increment mode, + * data size alignment and priority level with parameters : + * - Direction: DMA_SxCR_DIR[1:0] bits + * - Mode: DMA_SxCR_CIRC bit + * - PeriphOrM2MSrcIncMode: DMA_SxCR_PINC bit + * - MemoryOrM2MDstIncMode: DMA_SxCR_MINC bit + * - PeriphOrM2MSrcDataSize: DMA_SxCR_PSIZE[1:0] bits + * - MemoryOrM2MDstDataSize: DMA_SxCR_MSIZE[1:0] bits + * - Priority: DMA_SxCR_PL[1:0] bits + */ + LL_DMA_ConfigTransfer(DMAx, Stream, DMA_InitStruct->Direction | \ + DMA_InitStruct->Mode | \ + DMA_InitStruct->PeriphOrM2MSrcIncMode | \ + DMA_InitStruct->MemoryOrM2MDstIncMode | \ + DMA_InitStruct->PeriphOrM2MSrcDataSize | \ + DMA_InitStruct->MemoryOrM2MDstDataSize | \ + DMA_InitStruct->Priority + ); + + if(DMA_InitStruct->FIFOMode != LL_DMA_FIFOMODE_DISABLE) + { + /*---------------------------- DMAx SxFCR Configuration ------------------------ + * Configure DMAx_Streamy: fifo mode and fifo threshold with parameters : + * - FIFOMode: DMA_SxFCR_DMDIS bit + * - FIFOThreshold: DMA_SxFCR_FTH[1:0] bits + */ + LL_DMA_ConfigFifo(DMAx, Stream, DMA_InitStruct->FIFOMode, DMA_InitStruct->FIFOThreshold); + + /*---------------------------- DMAx SxCR Configuration -------------------------- + * Configure DMAx_Streamy: memory burst transfer with parameters : + * - MemBurst: DMA_SxCR_MBURST[1:0] bits + */ + LL_DMA_SetMemoryBurstxfer(DMAx,Stream,DMA_InitStruct->MemBurst); + + /*---------------------------- DMAx SxCR Configuration -------------------------- + * Configure DMAx_Streamy: peripheral burst transfer with parameters : + * - PeriphBurst: DMA_SxCR_PBURST[1:0] bits + */ + LL_DMA_SetPeriphBurstxfer(DMAx,Stream,DMA_InitStruct->PeriphBurst); + } + + /*-------------------------- DMAx SxM0AR Configuration -------------------------- + * Configure the memory or destination base address with parameter : + * - MemoryOrM2MDstAddress: DMA_SxM0AR_M0A[31:0] bits + */ + LL_DMA_SetMemoryAddress(DMAx, Stream, DMA_InitStruct->MemoryOrM2MDstAddress); + + /*-------------------------- DMAx SxPAR Configuration --------------------------- + * Configure the peripheral or source base address with parameter : + * - PeriphOrM2MSrcAddress: DMA_SxPAR_PA[31:0] bits + */ + LL_DMA_SetPeriphAddress(DMAx, Stream, DMA_InitStruct->PeriphOrM2MSrcAddress); + + /*--------------------------- DMAx SxNDTR Configuration ------------------------- + * Configure the peripheral base address with parameter : + * - NbData: DMA_SxNDT[15:0] bits + */ + LL_DMA_SetDataLength(DMAx, Stream, DMA_InitStruct->NbData); + + /*--------------------------- DMA SxCR_CHSEL Configuration ---------------------- + * Configure the peripheral base address with parameter : + * - PeriphRequest: DMA_SxCR_CHSEL[2:0] bits + */ + LL_DMA_SetChannelSelection(DMAx, Stream, DMA_InitStruct->Channel); + + return SUCCESS; +} + +/** + * @brief Set each @ref LL_DMA_InitTypeDef field to default value. + * @param DMA_InitStruct Pointer to a @ref LL_DMA_InitTypeDef structure. + * @retval None + */ +void LL_DMA_StructInit(LL_DMA_InitTypeDef *DMA_InitStruct) +{ + /* Set DMA_InitStruct fields to default values */ + DMA_InitStruct->PeriphOrM2MSrcAddress = 0x00000000U; + DMA_InitStruct->MemoryOrM2MDstAddress = 0x00000000U; + DMA_InitStruct->Direction = LL_DMA_DIRECTION_PERIPH_TO_MEMORY; + DMA_InitStruct->Mode = LL_DMA_MODE_NORMAL; + DMA_InitStruct->PeriphOrM2MSrcIncMode = LL_DMA_PERIPH_NOINCREMENT; + DMA_InitStruct->MemoryOrM2MDstIncMode = LL_DMA_MEMORY_NOINCREMENT; + DMA_InitStruct->PeriphOrM2MSrcDataSize = LL_DMA_PDATAALIGN_BYTE; + DMA_InitStruct->MemoryOrM2MDstDataSize = LL_DMA_MDATAALIGN_BYTE; + DMA_InitStruct->NbData = 0x00000000U; + DMA_InitStruct->Channel = LL_DMA_CHANNEL_0; + DMA_InitStruct->Priority = LL_DMA_PRIORITY_LOW; + DMA_InitStruct->FIFOMode = LL_DMA_FIFOMODE_DISABLE; + DMA_InitStruct->FIFOThreshold = LL_DMA_FIFOTHRESHOLD_1_4; + DMA_InitStruct->MemBurst = LL_DMA_MBURST_SINGLE; + DMA_InitStruct->PeriphBurst = LL_DMA_PBURST_SINGLE; +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#endif /* DMA1 || DMA2 */ + +/** + * @} + */ + +#endif /* USE_FULL_LL_DRIVER */ + diff --git a/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_exti.c b/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_exti.c new file mode 100644 index 0000000..ce2f7b0 --- /dev/null +++ b/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_exti.c @@ -0,0 +1,212 @@ +/** + ****************************************************************************** + * @file stm32f4xx_ll_exti.c + * @author MCD Application Team + * @brief EXTI LL module driver. + ****************************************************************************** + * @attention + * + * Copyright (c) 2016 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS.Clause + * + ****************************************************************************** + */ +#if defined(USE_FULL_LL_DRIVER) + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f4xx_ll_exti.h" +#ifdef USE_FULL_ASSERT +#include "stm32_assert.h" +#else +#define assert_param(expr) ((void)0U) +#endif + +/** @addtogroup STM32F4xx_LL_Driver + * @{ + */ + +#if defined (EXTI) + +/** @defgroup EXTI_LL EXTI + * @{ + */ + +/* Private types -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private constants ---------------------------------------------------------*/ +/* Private macros ------------------------------------------------------------*/ +/** @addtogroup EXTI_LL_Private_Macros + * @{ + */ + +#define IS_LL_EXTI_LINE_0_31(__VALUE__) (((__VALUE__) & ~LL_EXTI_LINE_ALL_0_31) == 0x00000000U) + +#define IS_LL_EXTI_MODE(__VALUE__) (((__VALUE__) == LL_EXTI_MODE_IT) \ + || ((__VALUE__) == LL_EXTI_MODE_EVENT) \ + || ((__VALUE__) == LL_EXTI_MODE_IT_EVENT)) + + +#define IS_LL_EXTI_TRIGGER(__VALUE__) (((__VALUE__) == LL_EXTI_TRIGGER_NONE) \ + || ((__VALUE__) == LL_EXTI_TRIGGER_RISING) \ + || ((__VALUE__) == LL_EXTI_TRIGGER_FALLING) \ + || ((__VALUE__) == LL_EXTI_TRIGGER_RISING_FALLING)) + +/** + * @} + */ + +/* Private function prototypes -----------------------------------------------*/ + +/* Exported functions --------------------------------------------------------*/ +/** @addtogroup EXTI_LL_Exported_Functions + * @{ + */ + +/** @addtogroup EXTI_LL_EF_Init + * @{ + */ + +/** + * @brief De-initialize the EXTI registers to their default reset values. + * @retval An ErrorStatus enumeration value: + * - SUCCESS: EXTI registers are de-initialized + * - ERROR: not applicable + */ +uint32_t LL_EXTI_DeInit(void) +{ + /* Interrupt mask register set to default reset values */ + LL_EXTI_WriteReg(IMR, 0x00000000U); + /* Event mask register set to default reset values */ + LL_EXTI_WriteReg(EMR, 0x00000000U); + /* Rising Trigger selection register set to default reset values */ + LL_EXTI_WriteReg(RTSR, 0x00000000U); + /* Falling Trigger selection register set to default reset values */ + LL_EXTI_WriteReg(FTSR, 0x00000000U); + /* Software interrupt event register set to default reset values */ + LL_EXTI_WriteReg(SWIER, 0x00000000U); + /* Pending register set to default reset values */ + LL_EXTI_WriteReg(PR, 0x00FFFFFFU); + + return SUCCESS; +} + +/** + * @brief Initialize the EXTI registers according to the specified parameters in EXTI_InitStruct. + * @param EXTI_InitStruct pointer to a @ref LL_EXTI_InitTypeDef structure. + * @retval An ErrorStatus enumeration value: + * - SUCCESS: EXTI registers are initialized + * - ERROR: not applicable + */ +uint32_t LL_EXTI_Init(LL_EXTI_InitTypeDef *EXTI_InitStruct) +{ + ErrorStatus status = SUCCESS; + /* Check the parameters */ + assert_param(IS_LL_EXTI_LINE_0_31(EXTI_InitStruct->Line_0_31)); + assert_param(IS_FUNCTIONAL_STATE(EXTI_InitStruct->LineCommand)); + assert_param(IS_LL_EXTI_MODE(EXTI_InitStruct->Mode)); + + /* ENABLE LineCommand */ + if (EXTI_InitStruct->LineCommand != DISABLE) + { + assert_param(IS_LL_EXTI_TRIGGER(EXTI_InitStruct->Trigger)); + + /* Configure EXTI Lines in range from 0 to 31 */ + if (EXTI_InitStruct->Line_0_31 != LL_EXTI_LINE_NONE) + { + switch (EXTI_InitStruct->Mode) + { + case LL_EXTI_MODE_IT: + /* First Disable Event on provided Lines */ + LL_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31); + /* Then Enable IT on provided Lines */ + LL_EXTI_EnableIT_0_31(EXTI_InitStruct->Line_0_31); + break; + case LL_EXTI_MODE_EVENT: + /* First Disable IT on provided Lines */ + LL_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31); + /* Then Enable Event on provided Lines */ + LL_EXTI_EnableEvent_0_31(EXTI_InitStruct->Line_0_31); + break; + case LL_EXTI_MODE_IT_EVENT: + /* Directly Enable IT & Event on provided Lines */ + LL_EXTI_EnableIT_0_31(EXTI_InitStruct->Line_0_31); + LL_EXTI_EnableEvent_0_31(EXTI_InitStruct->Line_0_31); + break; + default: + status = ERROR; + break; + } + if (EXTI_InitStruct->Trigger != LL_EXTI_TRIGGER_NONE) + { + switch (EXTI_InitStruct->Trigger) + { + case LL_EXTI_TRIGGER_RISING: + /* First Disable Falling Trigger on provided Lines */ + LL_EXTI_DisableFallingTrig_0_31(EXTI_InitStruct->Line_0_31); + /* Then Enable Rising Trigger on provided Lines */ + LL_EXTI_EnableRisingTrig_0_31(EXTI_InitStruct->Line_0_31); + break; + case LL_EXTI_TRIGGER_FALLING: + /* First Disable Rising Trigger on provided Lines */ + LL_EXTI_DisableRisingTrig_0_31(EXTI_InitStruct->Line_0_31); + /* Then Enable Falling Trigger on provided Lines */ + LL_EXTI_EnableFallingTrig_0_31(EXTI_InitStruct->Line_0_31); + break; + case LL_EXTI_TRIGGER_RISING_FALLING: + LL_EXTI_EnableRisingTrig_0_31(EXTI_InitStruct->Line_0_31); + LL_EXTI_EnableFallingTrig_0_31(EXTI_InitStruct->Line_0_31); + break; + default: + status = ERROR; + break; + } + } + } + } + /* DISABLE LineCommand */ + else + { + /* De-configure EXTI Lines in range from 0 to 31 */ + LL_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31); + LL_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31); + } + return status; +} + +/** + * @brief Set each @ref LL_EXTI_InitTypeDef field to default value. + * @param EXTI_InitStruct Pointer to a @ref LL_EXTI_InitTypeDef structure. + * @retval None + */ +void LL_EXTI_StructInit(LL_EXTI_InitTypeDef *EXTI_InitStruct) +{ + EXTI_InitStruct->Line_0_31 = LL_EXTI_LINE_NONE; + EXTI_InitStruct->LineCommand = DISABLE; + EXTI_InitStruct->Mode = LL_EXTI_MODE_IT; + EXTI_InitStruct->Trigger = LL_EXTI_TRIGGER_FALLING; +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#endif /* defined (EXTI) */ + +/** + * @} + */ + +#endif /* USE_FULL_LL_DRIVER */ + diff --git a/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_gpio.c b/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_gpio.c new file mode 100644 index 0000000..4d100b5 --- /dev/null +++ b/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_gpio.c @@ -0,0 +1,303 @@ +/** + ****************************************************************************** + * @file stm32f4xx_ll_gpio.c + * @author MCD Application Team + * @brief GPIO LL module driver. + ****************************************************************************** + * @attention + * + * Copyright (c) 2017 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ +#if defined(USE_FULL_LL_DRIVER) + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f4xx_ll_gpio.h" +#include "stm32f4xx_ll_bus.h" +#ifdef USE_FULL_ASSERT +#include "stm32_assert.h" +#else +#define assert_param(expr) ((void)0U) +#endif + +/** @addtogroup STM32F4xx_LL_Driver + * @{ + */ + +#if defined (GPIOA) || defined (GPIOB) || defined (GPIOC) || defined (GPIOD) || defined (GPIOE) || defined (GPIOF) || defined (GPIOG) || defined (GPIOH) || defined (GPIOI) || defined (GPIOJ) || defined (GPIOK) + +/** @addtogroup GPIO_LL + * @{ + */ + +/* Private types -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private constants ---------------------------------------------------------*/ +/* Private macros ------------------------------------------------------------*/ +/** @addtogroup GPIO_LL_Private_Macros + * @{ + */ +#define IS_LL_GPIO_PIN(__VALUE__) (((0x00000000U) < (__VALUE__)) && ((__VALUE__) <= (LL_GPIO_PIN_ALL))) + +#define IS_LL_GPIO_MODE(__VALUE__) (((__VALUE__) == LL_GPIO_MODE_INPUT) ||\ + ((__VALUE__) == LL_GPIO_MODE_OUTPUT) ||\ + ((__VALUE__) == LL_GPIO_MODE_ALTERNATE) ||\ + ((__VALUE__) == LL_GPIO_MODE_ANALOG)) + +#define IS_LL_GPIO_OUTPUT_TYPE(__VALUE__) (((__VALUE__) == LL_GPIO_OUTPUT_PUSHPULL) ||\ + ((__VALUE__) == LL_GPIO_OUTPUT_OPENDRAIN)) + +#define IS_LL_GPIO_SPEED(__VALUE__) (((__VALUE__) == LL_GPIO_SPEED_FREQ_LOW) ||\ + ((__VALUE__) == LL_GPIO_SPEED_FREQ_MEDIUM) ||\ + ((__VALUE__) == LL_GPIO_SPEED_FREQ_HIGH) ||\ + ((__VALUE__) == LL_GPIO_SPEED_FREQ_VERY_HIGH)) + +#define IS_LL_GPIO_PULL(__VALUE__) (((__VALUE__) == LL_GPIO_PULL_NO) ||\ + ((__VALUE__) == LL_GPIO_PULL_UP) ||\ + ((__VALUE__) == LL_GPIO_PULL_DOWN)) + +#define IS_LL_GPIO_ALTERNATE(__VALUE__) (((__VALUE__) == LL_GPIO_AF_0 ) ||\ + ((__VALUE__) == LL_GPIO_AF_1 ) ||\ + ((__VALUE__) == LL_GPIO_AF_2 ) ||\ + ((__VALUE__) == LL_GPIO_AF_3 ) ||\ + ((__VALUE__) == LL_GPIO_AF_4 ) ||\ + ((__VALUE__) == LL_GPIO_AF_5 ) ||\ + ((__VALUE__) == LL_GPIO_AF_6 ) ||\ + ((__VALUE__) == LL_GPIO_AF_7 ) ||\ + ((__VALUE__) == LL_GPIO_AF_8 ) ||\ + ((__VALUE__) == LL_GPIO_AF_9 ) ||\ + ((__VALUE__) == LL_GPIO_AF_10 ) ||\ + ((__VALUE__) == LL_GPIO_AF_11 ) ||\ + ((__VALUE__) == LL_GPIO_AF_12 ) ||\ + ((__VALUE__) == LL_GPIO_AF_13 ) ||\ + ((__VALUE__) == LL_GPIO_AF_14 ) ||\ + ((__VALUE__) == LL_GPIO_AF_15 )) +/** + * @} + */ + +/* Private function prototypes -----------------------------------------------*/ + +/* Exported functions --------------------------------------------------------*/ +/** @addtogroup GPIO_LL_Exported_Functions + * @{ + */ + +/** @addtogroup GPIO_LL_EF_Init + * @{ + */ + +/** + * @brief De-initialize GPIO registers (Registers restored to their default values). + * @param GPIOx GPIO Port + * @retval An ErrorStatus enumeration value: + * - SUCCESS: GPIO registers are de-initialized + * - ERROR: Wrong GPIO Port + */ +ErrorStatus LL_GPIO_DeInit(GPIO_TypeDef *GPIOx) +{ + ErrorStatus status = SUCCESS; + + /* Check the parameters */ + assert_param(IS_GPIO_ALL_INSTANCE(GPIOx)); + + /* Force and Release reset on clock of GPIOx Port */ + if (GPIOx == GPIOA) + { + LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOA); + LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOA); + } + else if (GPIOx == GPIOB) + { + LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOB); + LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOB); + } + else if (GPIOx == GPIOC) + { + LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOC); + LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOC); + } +#if defined(GPIOD) + else if (GPIOx == GPIOD) + { + LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOD); + LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOD); + } +#endif /* GPIOD */ +#if defined(GPIOE) + else if (GPIOx == GPIOE) + { + LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOE); + LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOE); + } +#endif /* GPIOE */ +#if defined(GPIOF) + else if (GPIOx == GPIOF) + { + LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOF); + LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOF); + } +#endif /* GPIOF */ +#if defined(GPIOG) + else if (GPIOx == GPIOG) + { + LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOG); + LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOG); + } +#endif /* GPIOG */ +#if defined(GPIOH) + else if (GPIOx == GPIOH) + { + LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOH); + LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOH); + } +#endif /* GPIOH */ +#if defined(GPIOI) + else if (GPIOx == GPIOI) + { + LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOI); + LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOI); + } +#endif /* GPIOI */ +#if defined(GPIOJ) + else if (GPIOx == GPIOJ) + { + LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOJ); + LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOJ); + } +#endif /* GPIOJ */ +#if defined(GPIOK) + else if (GPIOx == GPIOK) + { + LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_GPIOK); + LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_GPIOK); + } +#endif /* GPIOK */ + else + { + status = ERROR; + } + + return (status); +} + +/** + * @brief Initialize GPIO registers according to the specified parameters in GPIO_InitStruct. + * @param GPIOx GPIO Port + * @param GPIO_InitStruct pointer to a @ref LL_GPIO_InitTypeDef structure + * that contains the configuration information for the specified GPIO peripheral. + * @retval An ErrorStatus enumeration value: + * - SUCCESS: GPIO registers are initialized according to GPIO_InitStruct content + * - ERROR: Not applicable + */ +ErrorStatus LL_GPIO_Init(GPIO_TypeDef *GPIOx, LL_GPIO_InitTypeDef *GPIO_InitStruct) +{ + uint32_t pinpos = 0x00000000U; + uint32_t currentpin = 0x00000000U; + + /* Check the parameters */ + assert_param(IS_GPIO_ALL_INSTANCE(GPIOx)); + assert_param(IS_LL_GPIO_PIN(GPIO_InitStruct->Pin)); + assert_param(IS_LL_GPIO_MODE(GPIO_InitStruct->Mode)); + assert_param(IS_LL_GPIO_PULL(GPIO_InitStruct->Pull)); + + /* ------------------------- Configure the port pins ---------------- */ + /* Initialize pinpos on first pin set */ + pinpos = POSITION_VAL(GPIO_InitStruct->Pin); + + /* Configure the port pins */ + while (((GPIO_InitStruct->Pin) >> pinpos) != 0x00000000U) + { + /* Get current io position */ + currentpin = (GPIO_InitStruct->Pin) & (0x00000001U << pinpos); + + if (currentpin) + { + + if ((GPIO_InitStruct->Mode == LL_GPIO_MODE_OUTPUT) || (GPIO_InitStruct->Mode == LL_GPIO_MODE_ALTERNATE)) + { + /* Check Speed mode parameters */ + assert_param(IS_LL_GPIO_SPEED(GPIO_InitStruct->Speed)); + + /* Speed mode configuration */ + LL_GPIO_SetPinSpeed(GPIOx, currentpin, GPIO_InitStruct->Speed); + + /* Check Output mode parameters */ + assert_param(IS_LL_GPIO_OUTPUT_TYPE(GPIO_InitStruct->OutputType)); + + /* Output mode configuration*/ + LL_GPIO_SetPinOutputType(GPIOx, currentpin, GPIO_InitStruct->OutputType); + } + + /* Pull-up Pull down resistor configuration*/ + LL_GPIO_SetPinPull(GPIOx, currentpin, GPIO_InitStruct->Pull); + + if (GPIO_InitStruct->Mode == LL_GPIO_MODE_ALTERNATE) + { + /* Check Alternate parameter */ + assert_param(IS_LL_GPIO_ALTERNATE(GPIO_InitStruct->Alternate)); + + /* Speed mode configuration */ + if (POSITION_VAL(currentpin) < 0x00000008U) + { + LL_GPIO_SetAFPin_0_7(GPIOx, currentpin, GPIO_InitStruct->Alternate); + } + else + { + LL_GPIO_SetAFPin_8_15(GPIOx, currentpin, GPIO_InitStruct->Alternate); + } + } + + /* Pin Mode configuration */ + LL_GPIO_SetPinMode(GPIOx, currentpin, GPIO_InitStruct->Mode); + } + pinpos++; + } + + return (SUCCESS); +} + +/** + * @brief Set each @ref LL_GPIO_InitTypeDef field to default value. + * @param GPIO_InitStruct pointer to a @ref LL_GPIO_InitTypeDef structure + * whose fields will be set to default values. + * @retval None + */ + +void LL_GPIO_StructInit(LL_GPIO_InitTypeDef *GPIO_InitStruct) +{ + /* Reset GPIO init structure parameters values */ + GPIO_InitStruct->Pin = LL_GPIO_PIN_ALL; + GPIO_InitStruct->Mode = LL_GPIO_MODE_ANALOG; + GPIO_InitStruct->Speed = LL_GPIO_SPEED_FREQ_LOW; + GPIO_InitStruct->OutputType = LL_GPIO_OUTPUT_PUSHPULL; + GPIO_InitStruct->Pull = LL_GPIO_PULL_NO; + GPIO_InitStruct->Alternate = LL_GPIO_AF_0; +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#endif /* defined (GPIOA) || defined (GPIOB) || defined (GPIOC) || defined (GPIOD) || defined (GPIOE) || defined (GPIOF) || defined (GPIOG) || defined (GPIOH) || defined (GPIOI) || defined (GPIOJ) || defined (GPIOK) */ + +/** + * @} + */ + +#endif /* USE_FULL_LL_DRIVER */ + diff --git a/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_i2c.c b/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_i2c.c new file mode 100644 index 0000000..c847fc6 --- /dev/null +++ b/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_i2c.c @@ -0,0 +1,251 @@ +/** + ****************************************************************************** + * @file stm32f4xx_ll_i2c.c + * @author MCD Application Team + * @brief I2C LL module driver. + ****************************************************************************** + * @attention + * + * Copyright (c) 2016 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ +#if defined(USE_FULL_LL_DRIVER) + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f4xx_ll_i2c.h" +#include "stm32f4xx_ll_bus.h" +#include "stm32f4xx_ll_rcc.h" +#ifdef USE_FULL_ASSERT +#include "stm32_assert.h" +#else +#define assert_param(expr) ((void)0U) +#endif + +/** @addtogroup STM32F4xx_LL_Driver + * @{ + */ + +#if defined (I2C1) || defined (I2C2) || defined (I2C3) + +/** @defgroup I2C_LL I2C + * @{ + */ + +/* Private types -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private constants ---------------------------------------------------------*/ +/* Private macros ------------------------------------------------------------*/ +/** @addtogroup I2C_LL_Private_Macros + * @{ + */ + +#define IS_LL_I2C_PERIPHERAL_MODE(__VALUE__) (((__VALUE__) == LL_I2C_MODE_I2C) || \ + ((__VALUE__) == LL_I2C_MODE_SMBUS_HOST) || \ + ((__VALUE__) == LL_I2C_MODE_SMBUS_DEVICE) || \ + ((__VALUE__) == LL_I2C_MODE_SMBUS_DEVICE_ARP)) + +#define IS_LL_I2C_CLOCK_SPEED(__VALUE__) (((__VALUE__) > 0U) && ((__VALUE__) <= LL_I2C_MAX_SPEED_FAST)) + +#define IS_LL_I2C_DUTY_CYCLE(__VALUE__) (((__VALUE__) == LL_I2C_DUTYCYCLE_2) || \ + ((__VALUE__) == LL_I2C_DUTYCYCLE_16_9)) + +#if defined(I2C_FLTR_ANOFF)&&defined(I2C_FLTR_DNF) +#define IS_LL_I2C_ANALOG_FILTER(__VALUE__) (((__VALUE__) == LL_I2C_ANALOGFILTER_ENABLE) || \ + ((__VALUE__) == LL_I2C_ANALOGFILTER_DISABLE)) + +#define IS_LL_I2C_DIGITAL_FILTER(__VALUE__) ((__VALUE__) <= 0x0000000FU) + +#endif +#define IS_LL_I2C_OWN_ADDRESS1(__VALUE__) ((__VALUE__) <= 0x000003FFU) + +#define IS_LL_I2C_TYPE_ACKNOWLEDGE(__VALUE__) (((__VALUE__) == LL_I2C_ACK) || \ + ((__VALUE__) == LL_I2C_NACK)) + +#define IS_LL_I2C_OWN_ADDRSIZE(__VALUE__) (((__VALUE__) == LL_I2C_OWNADDRESS1_7BIT) || \ + ((__VALUE__) == LL_I2C_OWNADDRESS1_10BIT)) +/** + * @} + */ + +/* Private function prototypes -----------------------------------------------*/ + +/* Exported functions --------------------------------------------------------*/ +/** @addtogroup I2C_LL_Exported_Functions + * @{ + */ + +/** @addtogroup I2C_LL_EF_Init + * @{ + */ + +/** + * @brief De-initialize the I2C registers to their default reset values. + * @param I2Cx I2C Instance. + * @retval An ErrorStatus enumeration value: + * - SUCCESS I2C registers are de-initialized + * - ERROR I2C registers are not de-initialized + */ +uint32_t LL_I2C_DeInit(I2C_TypeDef *I2Cx) +{ + ErrorStatus status = SUCCESS; + + /* Check the I2C Instance I2Cx */ + assert_param(IS_I2C_ALL_INSTANCE(I2Cx)); + + if (I2Cx == I2C1) + { + /* Force reset of I2C clock */ + LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_I2C1); + + /* Release reset of I2C clock */ + LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_I2C1); + } + else if (I2Cx == I2C2) + { + /* Force reset of I2C clock */ + LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_I2C2); + + /* Release reset of I2C clock */ + LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_I2C2); + + } +#if defined(I2C3) + else if (I2Cx == I2C3) + { + /* Force reset of I2C clock */ + LL_APB1_GRP1_ForceReset(LL_APB1_GRP1_PERIPH_I2C3); + + /* Release reset of I2C clock */ + LL_APB1_GRP1_ReleaseReset(LL_APB1_GRP1_PERIPH_I2C3); + } +#endif + else + { + status = ERROR; + } + + return status; +} + +/** + * @brief Initialize the I2C registers according to the specified parameters in I2C_InitStruct. + * @param I2Cx I2C Instance. + * @param I2C_InitStruct pointer to a @ref LL_I2C_InitTypeDef structure. + * @retval An ErrorStatus enumeration value: + * - SUCCESS I2C registers are initialized + * - ERROR Not applicable + */ +uint32_t LL_I2C_Init(I2C_TypeDef *I2Cx, LL_I2C_InitTypeDef *I2C_InitStruct) +{ + LL_RCC_ClocksTypeDef rcc_clocks; + + /* Check the I2C Instance I2Cx */ + assert_param(IS_I2C_ALL_INSTANCE(I2Cx)); + + /* Check the I2C parameters from I2C_InitStruct */ + assert_param(IS_LL_I2C_PERIPHERAL_MODE(I2C_InitStruct->PeripheralMode)); + assert_param(IS_LL_I2C_CLOCK_SPEED(I2C_InitStruct->ClockSpeed)); + assert_param(IS_LL_I2C_DUTY_CYCLE(I2C_InitStruct->DutyCycle)); +#if defined(I2C_FLTR_ANOFF)&&defined(I2C_FLTR_DNF) + assert_param(IS_LL_I2C_ANALOG_FILTER(I2C_InitStruct->AnalogFilter)); + assert_param(IS_LL_I2C_DIGITAL_FILTER(I2C_InitStruct->DigitalFilter)); +#endif + assert_param(IS_LL_I2C_OWN_ADDRESS1(I2C_InitStruct->OwnAddress1)); + assert_param(IS_LL_I2C_TYPE_ACKNOWLEDGE(I2C_InitStruct->TypeAcknowledge)); + assert_param(IS_LL_I2C_OWN_ADDRSIZE(I2C_InitStruct->OwnAddrSize)); + + /* Disable the selected I2Cx Peripheral */ + LL_I2C_Disable(I2Cx); + + /* Retrieve Clock frequencies */ + LL_RCC_GetSystemClocksFreq(&rcc_clocks); + +#if defined(I2C_FLTR_ANOFF)&&defined(I2C_FLTR_DNF) + /*---------------------------- I2Cx FLTR Configuration ----------------------- + * Configure the analog and digital noise filters with parameters : + * - AnalogFilter: I2C_FLTR_ANFOFF bit + * - DigitalFilter: I2C_FLTR_DNF[3:0] bits + */ + LL_I2C_ConfigFilters(I2Cx, I2C_InitStruct->AnalogFilter, I2C_InitStruct->DigitalFilter); + +#endif + /*---------------------------- I2Cx SCL Clock Speed Configuration ------------ + * Configure the SCL speed : + * - ClockSpeed: I2C_CR2_FREQ[5:0], I2C_TRISE_TRISE[5:0], I2C_CCR_FS, + * and I2C_CCR_CCR[11:0] bits + * - DutyCycle: I2C_CCR_DUTY[7:0] bits + */ + LL_I2C_ConfigSpeed(I2Cx, rcc_clocks.PCLK1_Frequency, I2C_InitStruct->ClockSpeed, I2C_InitStruct->DutyCycle); + + /*---------------------------- I2Cx OAR1 Configuration ----------------------- + * Disable, Configure and Enable I2Cx device own address 1 with parameters : + * - OwnAddress1: I2C_OAR1_ADD[9:8], I2C_OAR1_ADD[7:1] and I2C_OAR1_ADD0 bits + * - OwnAddrSize: I2C_OAR1_ADDMODE bit + */ + LL_I2C_SetOwnAddress1(I2Cx, I2C_InitStruct->OwnAddress1, I2C_InitStruct->OwnAddrSize); + + /*---------------------------- I2Cx MODE Configuration ----------------------- + * Configure I2Cx peripheral mode with parameter : + * - PeripheralMode: I2C_CR1_SMBUS, I2C_CR1_SMBTYPE and I2C_CR1_ENARP bits + */ + LL_I2C_SetMode(I2Cx, I2C_InitStruct->PeripheralMode); + + /* Enable the selected I2Cx Peripheral */ + LL_I2C_Enable(I2Cx); + + /*---------------------------- I2Cx CR2 Configuration ------------------------ + * Configure the ACKnowledge or Non ACKnowledge condition + * after the address receive match code or next received byte with parameter : + * - TypeAcknowledge: I2C_CR2_NACK bit + */ + LL_I2C_AcknowledgeNextData(I2Cx, I2C_InitStruct->TypeAcknowledge); + + return SUCCESS; +} + +/** + * @brief Set each @ref LL_I2C_InitTypeDef field to default value. + * @param I2C_InitStruct Pointer to a @ref LL_I2C_InitTypeDef structure. + * @retval None + */ +void LL_I2C_StructInit(LL_I2C_InitTypeDef *I2C_InitStruct) +{ + /* Set I2C_InitStruct fields to default values */ + I2C_InitStruct->PeripheralMode = LL_I2C_MODE_I2C; + I2C_InitStruct->ClockSpeed = 5000U; + I2C_InitStruct->DutyCycle = LL_I2C_DUTYCYCLE_2; +#if defined(I2C_FLTR_ANOFF)&&defined(I2C_FLTR_DNF) + I2C_InitStruct->AnalogFilter = LL_I2C_ANALOGFILTER_ENABLE; + I2C_InitStruct->DigitalFilter = 0U; +#endif + I2C_InitStruct->OwnAddress1 = 0U; + I2C_InitStruct->TypeAcknowledge = LL_I2C_NACK; + I2C_InitStruct->OwnAddrSize = LL_I2C_OWNADDRESS1_7BIT; +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#endif /* I2C1 || I2C2 || I2C3 */ + +/** + * @} + */ + +#endif /* USE_FULL_LL_DRIVER */ + diff --git a/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_rcc.c b/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_rcc.c new file mode 100644 index 0000000..f59fef4 --- /dev/null +++ b/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_rcc.c @@ -0,0 +1,1679 @@ +/** + ****************************************************************************** + * @file stm32f4xx_ll_rcc.c + * @author MCD Application Team + * @brief RCC LL module driver. + ****************************************************************************** + * @attention + * + * Copyright (c) 2017 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file in + * the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + ****************************************************************************** + */ +#if defined(USE_FULL_LL_DRIVER) + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f4xx_ll_rcc.h" +#ifdef USE_FULL_ASSERT +#include "stm32_assert.h" +#else +#define assert_param(expr) ((void)0U) +#endif /* USE_FULL_ASSERT */ +/** @addtogroup STM32F4xx_LL_Driver + * @{ + */ + +#if defined(RCC) + +/** @addtogroup RCC_LL + * @{ + */ + +/* Private types -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private constants ---------------------------------------------------------*/ +/* Private macros ------------------------------------------------------------*/ +/** @addtogroup RCC_LL_Private_Macros + * @{ + */ +#if defined(FMPI2C1) +#define IS_LL_RCC_FMPI2C_CLKSOURCE(__VALUE__) ((__VALUE__) == LL_RCC_FMPI2C1_CLKSOURCE) +#endif /* FMPI2C1 */ + +#if defined(LPTIM1) +#define IS_LL_RCC_LPTIM_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_LPTIM1_CLKSOURCE)) +#endif /* LPTIM1 */ + +#if defined(SAI1) +#if defined(RCC_DCKCFGR_SAI1SRC) +#define IS_LL_RCC_SAI_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_SAI1_CLKSOURCE) \ + || ((__VALUE__) == LL_RCC_SAI2_CLKSOURCE)) +#elif defined(RCC_DCKCFGR_SAI1ASRC) +#define IS_LL_RCC_SAI_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_SAI1_A_CLKSOURCE) \ + || ((__VALUE__) == LL_RCC_SAI1_B_CLKSOURCE)) +#endif /* RCC_DCKCFGR_SAI1SRC */ +#endif /* SAI1 */ + +#if defined(SDIO) +#define IS_LL_RCC_SDIO_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_SDIO_CLKSOURCE)) +#endif /* SDIO */ + +#if defined(RNG) +#define IS_LL_RCC_RNG_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_RNG_CLKSOURCE)) +#endif /* RNG */ + +#if defined(USB_OTG_FS) || defined(USB_OTG_HS) +#define IS_LL_RCC_USB_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_USB_CLKSOURCE)) +#endif /* USB_OTG_FS || USB_OTG_HS */ + +#if defined(DFSDM2_Channel0) +#define IS_LL_RCC_DFSDM_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_DFSDM1_CLKSOURCE)) + +#define IS_LL_RCC_DFSDM_AUDIO_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_DFSDM1_AUDIO_CLKSOURCE) \ + || ((__VALUE__) == LL_RCC_DFSDM2_AUDIO_CLKSOURCE)) +#elif defined(DFSDM1_Channel0) +#define IS_LL_RCC_DFSDM_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_DFSDM1_CLKSOURCE)) + +#define IS_LL_RCC_DFSDM_AUDIO_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_DFSDM1_AUDIO_CLKSOURCE)) +#endif /* DFSDM2_Channel0 */ + +#if defined(RCC_DCKCFGR_I2S2SRC) +#define IS_LL_RCC_I2S_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_I2S1_CLKSOURCE) \ + || ((__VALUE__) == LL_RCC_I2S2_CLKSOURCE)) +#else +#define IS_LL_RCC_I2S_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_I2S1_CLKSOURCE)) +#endif /* RCC_DCKCFGR_I2S2SRC */ + +#if defined(CEC) +#define IS_LL_RCC_CEC_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_CEC_CLKSOURCE)) +#endif /* CEC */ + +#if defined(DSI) +#define IS_LL_RCC_DSI_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_DSI_CLKSOURCE)) +#endif /* DSI */ + +#if defined(LTDC) +#define IS_LL_RCC_LTDC_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_LTDC_CLKSOURCE)) +#endif /* LTDC */ + +#if defined(SPDIFRX) +#define IS_LL_RCC_SPDIFRX_CLKSOURCE(__VALUE__) (((__VALUE__) == LL_RCC_SPDIFRX1_CLKSOURCE)) +#endif /* SPDIFRX */ +/** + * @} + */ + +/* Private function prototypes -----------------------------------------------*/ +/** @defgroup RCC_LL_Private_Functions RCC Private functions + * @{ + */ +uint32_t RCC_GetSystemClockFreq(void); +uint32_t RCC_GetHCLKClockFreq(uint32_t SYSCLK_Frequency); +uint32_t RCC_GetPCLK1ClockFreq(uint32_t HCLK_Frequency); +uint32_t RCC_GetPCLK2ClockFreq(uint32_t HCLK_Frequency); +uint32_t RCC_PLL_GetFreqDomain_SYS(uint32_t SYSCLK_Source); +uint32_t RCC_PLL_GetFreqDomain_48M(void); +#if defined(RCC_DCKCFGR_I2SSRC) || defined(RCC_DCKCFGR_I2S1SRC) +uint32_t RCC_PLL_GetFreqDomain_I2S(void); +#endif /* RCC_DCKCFGR_I2SSRC || RCC_DCKCFGR_I2S1SRC */ +#if defined(SPDIFRX) +uint32_t RCC_PLL_GetFreqDomain_SPDIFRX(void); +#endif /* SPDIFRX */ +#if defined(RCC_PLLCFGR_PLLR) +#if defined(SAI1) +uint32_t RCC_PLL_GetFreqDomain_SAI(void); +#endif /* SAI1 */ +#endif /* RCC_PLLCFGR_PLLR */ +#if defined(DSI) +uint32_t RCC_PLL_GetFreqDomain_DSI(void); +#endif /* DSI */ +#if defined(RCC_PLLSAI_SUPPORT) +uint32_t RCC_PLLSAI_GetFreqDomain_SAI(void); +#if defined(RCC_PLLSAICFGR_PLLSAIP) +uint32_t RCC_PLLSAI_GetFreqDomain_48M(void); +#endif /* RCC_PLLSAICFGR_PLLSAIP */ +#if defined(LTDC) +uint32_t RCC_PLLSAI_GetFreqDomain_LTDC(void); +#endif /* LTDC */ +#endif /* RCC_PLLSAI_SUPPORT */ +#if defined(RCC_PLLI2S_SUPPORT) +uint32_t RCC_PLLI2S_GetFreqDomain_I2S(void); +#if defined(RCC_PLLI2SCFGR_PLLI2SQ) && !defined(RCC_DCKCFGR_PLLI2SDIVQ) +uint32_t RCC_PLLI2S_GetFreqDomain_48M(void); +#endif /* RCC_PLLI2SCFGR_PLLI2SQ && !RCC_DCKCFGR_PLLI2SDIVQ */ +#if defined(SAI1) +uint32_t RCC_PLLI2S_GetFreqDomain_SAI(void); +#endif /* SAI1 */ +#if defined(SPDIFRX) +uint32_t RCC_PLLI2S_GetFreqDomain_SPDIFRX(void); +#endif /* SPDIFRX */ +#endif /* RCC_PLLI2S_SUPPORT */ +/** + * @} + */ + + +/* Exported functions --------------------------------------------------------*/ +/** @addtogroup RCC_LL_Exported_Functions + * @{ + */ + +/** @addtogroup RCC_LL_EF_Init + * @{ + */ + +/** + * @brief Reset the RCC clock configuration to the default reset state. + * @note The default reset state of the clock configuration is given below: + * - HSI ON and used as system clock source + * - HSE and PLL OFF + * - AHB, APB1 and APB2 prescaler set to 1. + * - CSS, MCO OFF + * - All interrupts disabled + * @note This function doesn't modify the configuration of the + * - Peripheral clocks + * - LSI, LSE and RTC clocks + * @retval An ErrorStatus enumeration value: + * - SUCCESS: RCC registers are de-initialized + * - ERROR: not applicable + */ +ErrorStatus LL_RCC_DeInit(void) +{ + __IO uint32_t vl_mask; + + /* Set HSION bit */ + LL_RCC_HSI_Enable(); + + /* Wait for HSI READY bit */ + while (LL_RCC_HSI_IsReady() != 1U) + {} + + /* Reset CFGR register */ + LL_RCC_WriteReg(CFGR, 0x00000000U); + + /* Read CR register */ + vl_mask = LL_RCC_ReadReg(CR); + + /* Reset HSEON, HSEBYP, PLLON, CSSON bits */ + CLEAR_BIT(vl_mask, + (RCC_CR_HSEON | RCC_CR_HSEBYP | RCC_CR_PLLON | RCC_CR_CSSON)); + +#if defined(RCC_PLLSAI_SUPPORT) + /* Reset PLLSAION bit */ + CLEAR_BIT(vl_mask, RCC_CR_PLLSAION); +#endif /* RCC_PLLSAI_SUPPORT */ + +#if defined(RCC_PLLI2S_SUPPORT) + /* Reset PLLI2SON bit */ + CLEAR_BIT(vl_mask, RCC_CR_PLLI2SON); +#endif /* RCC_PLLI2S_SUPPORT */ + + /* Write new value in CR register */ + LL_RCC_WriteReg(CR, vl_mask); + + /* Set HSITRIM bits to the reset value*/ + LL_RCC_HSI_SetCalibTrimming(0x10U); + + /* Wait for PLL READY bit to be reset */ + while (LL_RCC_PLL_IsReady() != 0U) + {} + + /* Reset PLLCFGR register */ + LL_RCC_WriteReg(PLLCFGR, RCC_PLLCFGR_RST_VALUE); + +#if defined(RCC_PLLI2S_SUPPORT) + /* Reset PLLI2SCFGR register */ + LL_RCC_WriteReg(PLLI2SCFGR, RCC_PLLI2SCFGR_RST_VALUE); +#endif /* RCC_PLLI2S_SUPPORT */ + +#if defined(RCC_PLLSAI_SUPPORT) + /* Reset PLLSAICFGR register */ + LL_RCC_WriteReg(PLLSAICFGR, RCC_PLLSAICFGR_RST_VALUE); +#endif /* RCC_PLLSAI_SUPPORT */ + + /* Disable all interrupts */ + CLEAR_BIT(RCC->CIR, RCC_CIR_LSIRDYIE | RCC_CIR_LSERDYIE | RCC_CIR_HSIRDYIE | RCC_CIR_HSERDYIE | RCC_CIR_PLLRDYIE); + +#if defined(RCC_CIR_PLLI2SRDYIE) + CLEAR_BIT(RCC->CIR, RCC_CIR_PLLI2SRDYIE); +#endif /* RCC_CIR_PLLI2SRDYIE */ + +#if defined(RCC_CIR_PLLSAIRDYIE) + CLEAR_BIT(RCC->CIR, RCC_CIR_PLLSAIRDYIE); +#endif /* RCC_CIR_PLLSAIRDYIE */ + + /* Clear all interrupt flags */ + SET_BIT(RCC->CIR, RCC_CIR_LSIRDYC | RCC_CIR_LSERDYC | RCC_CIR_HSIRDYC | RCC_CIR_HSERDYC | RCC_CIR_PLLRDYC | + RCC_CIR_CSSC); + +#if defined(RCC_CIR_PLLI2SRDYC) + SET_BIT(RCC->CIR, RCC_CIR_PLLI2SRDYC); +#endif /* RCC_CIR_PLLI2SRDYC */ + +#if defined(RCC_CIR_PLLSAIRDYC) + SET_BIT(RCC->CIR, RCC_CIR_PLLSAIRDYC); +#endif /* RCC_CIR_PLLSAIRDYC */ + + /* Clear LSION bit */ + CLEAR_BIT(RCC->CSR, RCC_CSR_LSION); + + /* Reset all CSR flags */ + SET_BIT(RCC->CSR, RCC_CSR_RMVF); + + return SUCCESS; +} + +/** + * @} + */ + +/** @addtogroup RCC_LL_EF_Get_Freq + * @brief Return the frequencies of different on chip clocks; System, AHB, APB1 and APB2 buses clocks + * and different peripheral clocks available on the device. + * @note If SYSCLK source is HSI, function returns values based on HSI_VALUE(**) + * @note If SYSCLK source is HSE, function returns values based on HSE_VALUE(***) + * @note If SYSCLK source is PLL, function returns values based on HSE_VALUE(***) + * or HSI_VALUE(**) multiplied/divided by the PLL factors. + * @note (**) HSI_VALUE is a constant defined in this file (default value + * 16 MHz) but the real value may vary depending on the variations + * in voltage and temperature. + * @note (***) HSE_VALUE is a constant defined in this file (default value + * 25 MHz), user has to ensure that HSE_VALUE is same as the real + * frequency of the crystal used. Otherwise, this function may + * have wrong result. + * @note The result of this function could be incorrect when using fractional + * value for HSE crystal. + * @note This function can be used by the user application to compute the + * baud-rate for the communication peripherals or configure other parameters. + * @{ + */ + +/** + * @brief Return the frequencies of different on chip clocks; System, AHB, APB1 and APB2 buses clocks + * @note Each time SYSCLK, HCLK, PCLK1 and/or PCLK2 clock changes, this function + * must be called to update structure fields. Otherwise, any + * configuration based on this function will be incorrect. + * @param RCC_Clocks pointer to a @ref LL_RCC_ClocksTypeDef structure which will hold the clocks frequencies + * @retval None + */ +void LL_RCC_GetSystemClocksFreq(LL_RCC_ClocksTypeDef *RCC_Clocks) +{ + /* Get SYSCLK frequency */ + RCC_Clocks->SYSCLK_Frequency = RCC_GetSystemClockFreq(); + + /* HCLK clock frequency */ + RCC_Clocks->HCLK_Frequency = RCC_GetHCLKClockFreq(RCC_Clocks->SYSCLK_Frequency); + + /* PCLK1 clock frequency */ + RCC_Clocks->PCLK1_Frequency = RCC_GetPCLK1ClockFreq(RCC_Clocks->HCLK_Frequency); + + /* PCLK2 clock frequency */ + RCC_Clocks->PCLK2_Frequency = RCC_GetPCLK2ClockFreq(RCC_Clocks->HCLK_Frequency); +} + +#if defined(FMPI2C1) +/** + * @brief Return FMPI2Cx clock frequency + * @param FMPI2CxSource This parameter can be one of the following values: + * @arg @ref LL_RCC_FMPI2C1_CLKSOURCE + * @retval FMPI2C clock frequency (in Hz) + * - @ref LL_RCC_PERIPH_FREQUENCY_NO indicates that HSI oscillator is not ready + */ +uint32_t LL_RCC_GetFMPI2CClockFreq(uint32_t FMPI2CxSource) +{ + uint32_t FMPI2C_frequency = LL_RCC_PERIPH_FREQUENCY_NO; + + /* Check parameter */ + assert_param(IS_LL_RCC_FMPI2C_CLKSOURCE(FMPI2CxSource)); + + if (FMPI2CxSource == LL_RCC_FMPI2C1_CLKSOURCE) + { + /* FMPI2C1 CLK clock frequency */ + switch (LL_RCC_GetFMPI2CClockSource(FMPI2CxSource)) + { + case LL_RCC_FMPI2C1_CLKSOURCE_SYSCLK: /* FMPI2C1 Clock is System Clock */ + FMPI2C_frequency = RCC_GetSystemClockFreq(); + break; + + case LL_RCC_FMPI2C1_CLKSOURCE_HSI: /* FMPI2C1 Clock is HSI Osc. */ + if (LL_RCC_HSI_IsReady()) + { + FMPI2C_frequency = HSI_VALUE; + } + break; + + case LL_RCC_FMPI2C1_CLKSOURCE_PCLK1: /* FMPI2C1 Clock is PCLK1 */ + default: + FMPI2C_frequency = RCC_GetPCLK1ClockFreq(RCC_GetHCLKClockFreq(RCC_GetSystemClockFreq())); + break; + } + } + + return FMPI2C_frequency; +} +#endif /* FMPI2C1 */ + +/** + * @brief Return I2Sx clock frequency + * @param I2SxSource This parameter can be one of the following values: + * @arg @ref LL_RCC_I2S1_CLKSOURCE + * @arg @ref LL_RCC_I2S2_CLKSOURCE (*) + * + * (*) value not defined in all devices. + * @retval I2S clock frequency (in Hz) + * - @ref LL_RCC_PERIPH_FREQUENCY_NO indicates that oscillator is not ready + */ +uint32_t LL_RCC_GetI2SClockFreq(uint32_t I2SxSource) +{ + uint32_t i2s_frequency = LL_RCC_PERIPH_FREQUENCY_NO; + + /* Check parameter */ + assert_param(IS_LL_RCC_I2S_CLKSOURCE(I2SxSource)); + + if (I2SxSource == LL_RCC_I2S1_CLKSOURCE) + { + /* I2S1 CLK clock frequency */ + switch (LL_RCC_GetI2SClockSource(I2SxSource)) + { +#if defined(RCC_PLLI2S_SUPPORT) + case LL_RCC_I2S1_CLKSOURCE_PLLI2S: /* I2S1 Clock is PLLI2S */ + if (LL_RCC_PLLI2S_IsReady()) + { + i2s_frequency = RCC_PLLI2S_GetFreqDomain_I2S(); + } + break; +#endif /* RCC_PLLI2S_SUPPORT */ + +#if defined(RCC_DCKCFGR_I2SSRC) || defined(RCC_DCKCFGR_I2S1SRC) + case LL_RCC_I2S1_CLKSOURCE_PLL: /* I2S1 Clock is PLL */ + if (LL_RCC_PLL_IsReady()) + { + i2s_frequency = RCC_PLL_GetFreqDomain_I2S(); + } + break; + + case LL_RCC_I2S1_CLKSOURCE_PLLSRC: /* I2S1 Clock is PLL Main source */ + switch (LL_RCC_PLL_GetMainSource()) + { + case LL_RCC_PLLSOURCE_HSE: /* I2S1 Clock is HSE Osc. */ + if (LL_RCC_HSE_IsReady()) + { + i2s_frequency = HSE_VALUE; + } + break; + + case LL_RCC_PLLSOURCE_HSI: /* I2S1 Clock is HSI Osc. */ + default: + if (LL_RCC_HSI_IsReady()) + { + i2s_frequency = HSI_VALUE; + } + break; + } + break; +#endif /* RCC_DCKCFGR_I2SSRC || RCC_DCKCFGR_I2S1SRC */ + + case LL_RCC_I2S1_CLKSOURCE_PIN: /* I2S1 Clock is External clock */ + default: + i2s_frequency = EXTERNAL_CLOCK_VALUE; + break; + } + } +#if defined(RCC_DCKCFGR_I2S2SRC) + else + { + /* I2S2 CLK clock frequency */ + switch (LL_RCC_GetI2SClockSource(I2SxSource)) + { + case LL_RCC_I2S2_CLKSOURCE_PLLI2S: /* I2S2 Clock is PLLI2S */ + if (LL_RCC_PLLI2S_IsReady()) + { + i2s_frequency = RCC_PLLI2S_GetFreqDomain_I2S(); + } + break; + + case LL_RCC_I2S2_CLKSOURCE_PLL: /* I2S2 Clock is PLL */ + if (LL_RCC_PLL_IsReady()) + { + i2s_frequency = RCC_PLL_GetFreqDomain_I2S(); + } + break; + + case LL_RCC_I2S2_CLKSOURCE_PLLSRC: /* I2S2 Clock is PLL Main source */ + switch (LL_RCC_PLL_GetMainSource()) + { + case LL_RCC_PLLSOURCE_HSE: /* I2S2 Clock is HSE Osc. */ + if (LL_RCC_HSE_IsReady()) + { + i2s_frequency = HSE_VALUE; + } + break; + + case LL_RCC_PLLSOURCE_HSI: /* I2S2 Clock is HSI Osc. */ + default: + if (LL_RCC_HSI_IsReady()) + { + i2s_frequency = HSI_VALUE; + } + break; + } + break; + + case LL_RCC_I2S2_CLKSOURCE_PIN: /* I2S2 Clock is External clock */ + default: + i2s_frequency = EXTERNAL_CLOCK_VALUE; + break; + } + } +#endif /* RCC_DCKCFGR_I2S2SRC */ + + return i2s_frequency; +} + +#if defined(LPTIM1) +/** + * @brief Return LPTIMx clock frequency + * @param LPTIMxSource This parameter can be one of the following values: + * @arg @ref LL_RCC_LPTIM1_CLKSOURCE + * @retval LPTIM clock frequency (in Hz) + * - @ref LL_RCC_PERIPH_FREQUENCY_NO indicates that oscillator (HSI, LSI or LSE) is not ready + */ +uint32_t LL_RCC_GetLPTIMClockFreq(uint32_t LPTIMxSource) +{ + uint32_t lptim_frequency = LL_RCC_PERIPH_FREQUENCY_NO; + + /* Check parameter */ + assert_param(IS_LL_RCC_LPTIM_CLKSOURCE(LPTIMxSource)); + + if (LPTIMxSource == LL_RCC_LPTIM1_CLKSOURCE) + { + /* LPTIM1CLK clock frequency */ + switch (LL_RCC_GetLPTIMClockSource(LPTIMxSource)) + { + case LL_RCC_LPTIM1_CLKSOURCE_LSI: /* LPTIM1 Clock is LSI Osc. */ + if (LL_RCC_LSI_IsReady()) + { + lptim_frequency = LSI_VALUE; + } + break; + + case LL_RCC_LPTIM1_CLKSOURCE_HSI: /* LPTIM1 Clock is HSI Osc. */ + if (LL_RCC_HSI_IsReady()) + { + lptim_frequency = HSI_VALUE; + } + break; + + case LL_RCC_LPTIM1_CLKSOURCE_LSE: /* LPTIM1 Clock is LSE Osc. */ + if (LL_RCC_LSE_IsReady()) + { + lptim_frequency = LSE_VALUE; + } + break; + + case LL_RCC_LPTIM1_CLKSOURCE_PCLK1: /* LPTIM1 Clock is PCLK1 */ + default: + lptim_frequency = RCC_GetPCLK1ClockFreq(RCC_GetHCLKClockFreq(RCC_GetSystemClockFreq())); + break; + } + } + + return lptim_frequency; +} +#endif /* LPTIM1 */ + +#if defined(SAI1) +/** + * @brief Return SAIx clock frequency + * @param SAIxSource This parameter can be one of the following values: + * @arg @ref LL_RCC_SAI1_CLKSOURCE (*) + * @arg @ref LL_RCC_SAI2_CLKSOURCE (*) + * @arg @ref LL_RCC_SAI1_A_CLKSOURCE (*) + * @arg @ref LL_RCC_SAI1_B_CLKSOURCE (*) + * + * (*) value not defined in all devices. + * @retval SAI clock frequency (in Hz) + * - @ref LL_RCC_PERIPH_FREQUENCY_NO indicates that oscillator is not ready + */ +uint32_t LL_RCC_GetSAIClockFreq(uint32_t SAIxSource) +{ + uint32_t sai_frequency = LL_RCC_PERIPH_FREQUENCY_NO; + + /* Check parameter */ + assert_param(IS_LL_RCC_SAI_CLKSOURCE(SAIxSource)); + +#if defined(RCC_DCKCFGR_SAI1SRC) + if ((SAIxSource == LL_RCC_SAI1_CLKSOURCE) || (SAIxSource == LL_RCC_SAI2_CLKSOURCE)) + { + /* SAI1CLK clock frequency */ + switch (LL_RCC_GetSAIClockSource(SAIxSource)) + { + case LL_RCC_SAI1_CLKSOURCE_PLLSAI: /* PLLSAI clock used as SAI1 clock source */ + case LL_RCC_SAI2_CLKSOURCE_PLLSAI: /* PLLSAI clock used as SAI2 clock source */ + if (LL_RCC_PLLSAI_IsReady()) + { + sai_frequency = RCC_PLLSAI_GetFreqDomain_SAI(); + } + break; + + case LL_RCC_SAI1_CLKSOURCE_PLLI2S: /* PLLI2S clock used as SAI1 clock source */ + case LL_RCC_SAI2_CLKSOURCE_PLLI2S: /* PLLI2S clock used as SAI2 clock source */ + if (LL_RCC_PLLI2S_IsReady()) + { + sai_frequency = RCC_PLLI2S_GetFreqDomain_SAI(); + } + break; + + case LL_RCC_SAI1_CLKSOURCE_PLL: /* PLL clock used as SAI1 clock source */ + case LL_RCC_SAI2_CLKSOURCE_PLL: /* PLL clock used as SAI2 clock source */ + if (LL_RCC_PLL_IsReady()) + { + sai_frequency = RCC_PLL_GetFreqDomain_SAI(); + } + break; + + case LL_RCC_SAI2_CLKSOURCE_PLLSRC: + switch (LL_RCC_PLL_GetMainSource()) + { + case LL_RCC_PLLSOURCE_HSE: /* HSE clock used as SAI2 clock source */ + if (LL_RCC_HSE_IsReady()) + { + sai_frequency = HSE_VALUE; + } + break; + + case LL_RCC_PLLSOURCE_HSI: /* HSI clock used as SAI2 clock source */ + default: + if (LL_RCC_HSI_IsReady()) + { + sai_frequency = HSI_VALUE; + } + break; + } + break; + + case LL_RCC_SAI1_CLKSOURCE_PIN: /* External input clock used as SAI1 clock source */ + default: + sai_frequency = EXTERNAL_CLOCK_VALUE; + break; + } + } +#endif /* RCC_DCKCFGR_SAI1SRC */ +#if defined(RCC_DCKCFGR_SAI1ASRC) + if ((SAIxSource == LL_RCC_SAI1_A_CLKSOURCE) || (SAIxSource == LL_RCC_SAI1_B_CLKSOURCE)) + { + /* SAI1CLK clock frequency */ + switch (LL_RCC_GetSAIClockSource(SAIxSource)) + { +#if defined(RCC_PLLSAI_SUPPORT) + case LL_RCC_SAI1_A_CLKSOURCE_PLLSAI: /* PLLSAI clock used as SAI1 Block A clock source */ + case LL_RCC_SAI1_B_CLKSOURCE_PLLSAI: /* PLLSAI clock used as SAI1 Block B clock source */ + if (LL_RCC_PLLSAI_IsReady()) + { + sai_frequency = RCC_PLLSAI_GetFreqDomain_SAI(); + } + break; +#endif /* RCC_PLLSAI_SUPPORT */ + + case LL_RCC_SAI1_A_CLKSOURCE_PLLI2S: /* PLLI2S clock used as SAI1 Block A clock source */ + case LL_RCC_SAI1_B_CLKSOURCE_PLLI2S: /* PLLI2S clock used as SAI1 Block B clock source */ + if (LL_RCC_PLLI2S_IsReady()) + { + sai_frequency = RCC_PLLI2S_GetFreqDomain_SAI(); + } + break; + +#if defined(RCC_SAI1A_PLLSOURCE_SUPPORT) + case LL_RCC_SAI1_A_CLKSOURCE_PLL: /* PLL clock used as SAI1 Block A clock source */ + case LL_RCC_SAI1_B_CLKSOURCE_PLL: /* PLL clock used as SAI1 Block B clock source */ + if (LL_RCC_PLL_IsReady()) + { + sai_frequency = RCC_PLL_GetFreqDomain_SAI(); + } + break; + + case LL_RCC_SAI1_A_CLKSOURCE_PLLSRC: + case LL_RCC_SAI1_B_CLKSOURCE_PLLSRC: + switch (LL_RCC_PLL_GetMainSource()) + { + case LL_RCC_PLLSOURCE_HSE: /* HSE clock used as SAI1 Block A or B clock source */ + if (LL_RCC_HSE_IsReady()) + { + sai_frequency = HSE_VALUE; + } + break; + + case LL_RCC_PLLSOURCE_HSI: /* HSI clock used as SAI1 Block A or B clock source */ + default: + if (LL_RCC_HSI_IsReady()) + { + sai_frequency = HSI_VALUE; + } + break; + } + break; +#endif /* RCC_SAI1A_PLLSOURCE_SUPPORT */ + + case LL_RCC_SAI1_A_CLKSOURCE_PIN: /* External input clock used as SAI1 Block A clock source */ + case LL_RCC_SAI1_B_CLKSOURCE_PIN: /* External input clock used as SAI1 Block B clock source */ + default: + sai_frequency = EXTERNAL_CLOCK_VALUE; + break; + } + } +#endif /* RCC_DCKCFGR_SAI1ASRC */ + + return sai_frequency; +} +#endif /* SAI1 */ + +#if defined(SDIO) +/** + * @brief Return SDIOx clock frequency + * @param SDIOxSource This parameter can be one of the following values: + * @arg @ref LL_RCC_SDIO_CLKSOURCE + * @retval SDIO clock frequency (in Hz) + * - @ref LL_RCC_PERIPH_FREQUENCY_NO indicates that oscillator is not ready + */ +uint32_t LL_RCC_GetSDIOClockFreq(uint32_t SDIOxSource) +{ + uint32_t SDIO_frequency = LL_RCC_PERIPH_FREQUENCY_NO; + + /* Check parameter */ + assert_param(IS_LL_RCC_SDIO_CLKSOURCE(SDIOxSource)); + + if (SDIOxSource == LL_RCC_SDIO_CLKSOURCE) + { +#if defined(RCC_DCKCFGR_SDIOSEL) || defined(RCC_DCKCFGR2_SDIOSEL) + /* SDIOCLK clock frequency */ + switch (LL_RCC_GetSDIOClockSource(SDIOxSource)) + { + case LL_RCC_SDIO_CLKSOURCE_PLL48CLK: /* PLL48M clock used as SDIO clock source */ + switch (LL_RCC_GetCK48MClockSource(LL_RCC_CK48M_CLKSOURCE)) + { + case LL_RCC_CK48M_CLKSOURCE_PLL: /* PLL clock used as 48Mhz domain clock */ + if (LL_RCC_PLL_IsReady()) + { + SDIO_frequency = RCC_PLL_GetFreqDomain_48M(); + } + break; + +#if defined(RCC_PLLSAI_SUPPORT) + case LL_RCC_CK48M_CLKSOURCE_PLLSAI: /* PLLSAI clock used as 48Mhz domain clock */ + default: + if (LL_RCC_PLLSAI_IsReady()) + { + SDIO_frequency = RCC_PLLSAI_GetFreqDomain_48M(); + } + break; +#endif /* RCC_PLLSAI_SUPPORT */ + +#if defined(RCC_PLLI2SCFGR_PLLI2SQ) && !defined(RCC_DCKCFGR_PLLI2SDIVQ) + case LL_RCC_CK48M_CLKSOURCE_PLLI2S: /* PLLI2S clock used as 48Mhz domain clock */ + default: + if (LL_RCC_PLLI2S_IsReady()) + { + SDIO_frequency = RCC_PLLI2S_GetFreqDomain_48M(); + } + break; +#endif /* RCC_PLLI2SCFGR_PLLI2SQ && !RCC_DCKCFGR_PLLI2SDIVQ */ + } + break; + + case LL_RCC_SDIO_CLKSOURCE_SYSCLK: /* PLL clock used as SDIO clock source */ + default: + SDIO_frequency = RCC_GetSystemClockFreq(); + break; + } +#else + /* PLL clock used as 48Mhz domain clock */ + if (LL_RCC_PLL_IsReady()) + { + SDIO_frequency = RCC_PLL_GetFreqDomain_48M(); + } +#endif /* RCC_DCKCFGR_SDIOSEL || RCC_DCKCFGR2_SDIOSEL */ + } + + return SDIO_frequency; +} +#endif /* SDIO */ + +#if defined(RNG) +/** + * @brief Return RNGx clock frequency + * @param RNGxSource This parameter can be one of the following values: + * @arg @ref LL_RCC_RNG_CLKSOURCE + * @retval RNG clock frequency (in Hz) + * - @ref LL_RCC_PERIPH_FREQUENCY_NO indicates that oscillator is not ready + */ +uint32_t LL_RCC_GetRNGClockFreq(uint32_t RNGxSource) +{ + uint32_t rng_frequency = LL_RCC_PERIPH_FREQUENCY_NO; + + /* Check parameter */ + assert_param(IS_LL_RCC_RNG_CLKSOURCE(RNGxSource)); + +#if defined(RCC_DCKCFGR_CK48MSEL) || defined(RCC_DCKCFGR2_CK48MSEL) + /* RNGCLK clock frequency */ + switch (LL_RCC_GetRNGClockSource(RNGxSource)) + { +#if defined(RCC_PLLI2SCFGR_PLLI2SQ) && !defined(RCC_DCKCFGR_PLLI2SDIVQ) + case LL_RCC_RNG_CLKSOURCE_PLLI2S: /* PLLI2S clock used as RNG clock source */ + if (LL_RCC_PLLI2S_IsReady()) + { + rng_frequency = RCC_PLLI2S_GetFreqDomain_48M(); + } + break; +#endif /* RCC_PLLI2SCFGR_PLLI2SQ && !RCC_DCKCFGR_PLLI2SDIVQ */ + +#if defined(RCC_PLLSAI_SUPPORT) + case LL_RCC_RNG_CLKSOURCE_PLLSAI: /* PLLSAI clock used as RNG clock source */ + if (LL_RCC_PLLSAI_IsReady()) + { + rng_frequency = RCC_PLLSAI_GetFreqDomain_48M(); + } + break; +#endif /* RCC_PLLSAI_SUPPORT */ + + case LL_RCC_RNG_CLKSOURCE_PLL: /* PLL clock used as RNG clock source */ + default: + if (LL_RCC_PLL_IsReady()) + { + rng_frequency = RCC_PLL_GetFreqDomain_48M(); + } + break; + } +#else + /* PLL clock used as RNG clock source */ + if (LL_RCC_PLL_IsReady()) + { + rng_frequency = RCC_PLL_GetFreqDomain_48M(); + } +#endif /* RCC_DCKCFGR_CK48MSEL || RCC_DCKCFGR2_CK48MSEL */ + + return rng_frequency; +} +#endif /* RNG */ + +#if defined(CEC) +/** + * @brief Return CEC clock frequency + * @param CECxSource This parameter can be one of the following values: + * @arg @ref LL_RCC_CEC_CLKSOURCE + * @retval CEC clock frequency (in Hz) + * - @ref LL_RCC_PERIPH_FREQUENCY_NO indicates that oscillator (HSI or LSE) is not ready + */ +uint32_t LL_RCC_GetCECClockFreq(uint32_t CECxSource) +{ + uint32_t cec_frequency = LL_RCC_PERIPH_FREQUENCY_NO; + + /* Check parameter */ + assert_param(IS_LL_RCC_CEC_CLKSOURCE(CECxSource)); + + /* CECCLK clock frequency */ + switch (LL_RCC_GetCECClockSource(CECxSource)) + { + case LL_RCC_CEC_CLKSOURCE_LSE: /* CEC Clock is LSE Osc. */ + if (LL_RCC_LSE_IsReady()) + { + cec_frequency = LSE_VALUE; + } + break; + + case LL_RCC_CEC_CLKSOURCE_HSI_DIV488: /* CEC Clock is HSI Osc. */ + default: + if (LL_RCC_HSI_IsReady()) + { + cec_frequency = HSI_VALUE / 488U; + } + break; + } + + return cec_frequency; +} +#endif /* CEC */ + +#if defined(USB_OTG_FS) || defined(USB_OTG_HS) +/** + * @brief Return USBx clock frequency + * @param USBxSource This parameter can be one of the following values: + * @arg @ref LL_RCC_USB_CLKSOURCE + * @retval USB clock frequency (in Hz) + * - @ref LL_RCC_PERIPH_FREQUENCY_NO indicates that oscillator is not ready + */ +uint32_t LL_RCC_GetUSBClockFreq(uint32_t USBxSource) +{ + uint32_t usb_frequency = LL_RCC_PERIPH_FREQUENCY_NO; + + /* Check parameter */ + assert_param(IS_LL_RCC_USB_CLKSOURCE(USBxSource)); + +#if defined(RCC_DCKCFGR_CK48MSEL) || defined(RCC_DCKCFGR2_CK48MSEL) + /* USBCLK clock frequency */ + switch (LL_RCC_GetUSBClockSource(USBxSource)) + { +#if defined(RCC_PLLI2SCFGR_PLLI2SQ) && !defined(RCC_DCKCFGR_PLLI2SDIVQ) + case LL_RCC_USB_CLKSOURCE_PLLI2S: /* PLLI2S clock used as USB clock source */ + if (LL_RCC_PLLI2S_IsReady()) + { + usb_frequency = RCC_PLLI2S_GetFreqDomain_48M(); + } + break; + +#endif /* RCC_PLLI2SCFGR_PLLI2SQ && !RCC_DCKCFGR_PLLI2SDIVQ */ + +#if defined(RCC_PLLSAI_SUPPORT) + case LL_RCC_USB_CLKSOURCE_PLLSAI: /* PLLSAI clock used as USB clock source */ + if (LL_RCC_PLLSAI_IsReady()) + { + usb_frequency = RCC_PLLSAI_GetFreqDomain_48M(); + } + break; +#endif /* RCC_PLLSAI_SUPPORT */ + + case LL_RCC_USB_CLKSOURCE_PLL: /* PLL clock used as USB clock source */ + default: + if (LL_RCC_PLL_IsReady()) + { + usb_frequency = RCC_PLL_GetFreqDomain_48M(); + } + break; + } +#else + /* PLL clock used as USB clock source */ + if (LL_RCC_PLL_IsReady()) + { + usb_frequency = RCC_PLL_GetFreqDomain_48M(); + } +#endif /* RCC_DCKCFGR_CK48MSEL || RCC_DCKCFGR2_CK48MSEL */ + + return usb_frequency; +} +#endif /* USB_OTG_FS || USB_OTG_HS */ + +#if defined(DFSDM1_Channel0) +/** + * @brief Return DFSDMx clock frequency + * @param DFSDMxSource This parameter can be one of the following values: + * @arg @ref LL_RCC_DFSDM1_CLKSOURCE + * @arg @ref LL_RCC_DFSDM2_CLKSOURCE (*) + * + * (*) value not defined in all devices. + * @retval DFSDM clock frequency (in Hz) + */ +uint32_t LL_RCC_GetDFSDMClockFreq(uint32_t DFSDMxSource) +{ + uint32_t dfsdm_frequency = LL_RCC_PERIPH_FREQUENCY_NO; + + /* Check parameter */ + assert_param(IS_LL_RCC_DFSDM_CLKSOURCE(DFSDMxSource)); + + if (DFSDMxSource == LL_RCC_DFSDM1_CLKSOURCE) + { + /* DFSDM1CLK clock frequency */ + switch (LL_RCC_GetDFSDMClockSource(DFSDMxSource)) + { + case LL_RCC_DFSDM1_CLKSOURCE_SYSCLK: /* DFSDM1 Clock is SYSCLK */ + dfsdm_frequency = RCC_GetSystemClockFreq(); + break; + + case LL_RCC_DFSDM1_CLKSOURCE_PCLK2: /* DFSDM1 Clock is PCLK2 */ + default: + dfsdm_frequency = RCC_GetPCLK2ClockFreq(RCC_GetHCLKClockFreq(RCC_GetSystemClockFreq())); + break; + } + } +#if defined(DFSDM2_Channel0) + else + { + /* DFSDM2CLK clock frequency */ + switch (LL_RCC_GetDFSDMClockSource(DFSDMxSource)) + { + case LL_RCC_DFSDM2_CLKSOURCE_SYSCLK: /* DFSDM2 Clock is SYSCLK */ + dfsdm_frequency = RCC_GetSystemClockFreq(); + break; + + case LL_RCC_DFSDM2_CLKSOURCE_PCLK2: /* DFSDM2 Clock is PCLK2 */ + default: + dfsdm_frequency = RCC_GetPCLK2ClockFreq(RCC_GetHCLKClockFreq(RCC_GetSystemClockFreq())); + break; + } + } +#endif /* DFSDM2_Channel0 */ + + return dfsdm_frequency; +} + +/** + * @brief Return DFSDMx Audio clock frequency + * @param DFSDMxSource This parameter can be one of the following values: + * @arg @ref LL_RCC_DFSDM1_AUDIO_CLKSOURCE + * @arg @ref LL_RCC_DFSDM2_AUDIO_CLKSOURCE (*) + * + * (*) value not defined in all devices. + * @retval DFSDM clock frequency (in Hz) + * - @ref LL_RCC_PERIPH_FREQUENCY_NO indicates that oscillator is not ready + */ +uint32_t LL_RCC_GetDFSDMAudioClockFreq(uint32_t DFSDMxSource) +{ + uint32_t dfsdm_frequency = LL_RCC_PERIPH_FREQUENCY_NO; + + /* Check parameter */ + assert_param(IS_LL_RCC_DFSDM_AUDIO_CLKSOURCE(DFSDMxSource)); + + if (DFSDMxSource == LL_RCC_DFSDM1_AUDIO_CLKSOURCE) + { + /* DFSDM1CLK clock frequency */ + switch (LL_RCC_GetDFSDMAudioClockSource(DFSDMxSource)) + { + case LL_RCC_DFSDM1_AUDIO_CLKSOURCE_I2S1: /* I2S1 clock used as DFSDM1 clock */ + dfsdm_frequency = LL_RCC_GetI2SClockFreq(LL_RCC_I2S1_CLKSOURCE); + break; + + case LL_RCC_DFSDM1_AUDIO_CLKSOURCE_I2S2: /* I2S2 clock used as DFSDM1 clock */ + default: + dfsdm_frequency = LL_RCC_GetI2SClockFreq(LL_RCC_I2S2_CLKSOURCE); + break; + } + } +#if defined(DFSDM2_Channel0) + else + { + /* DFSDM2CLK clock frequency */ + switch (LL_RCC_GetDFSDMAudioClockSource(DFSDMxSource)) + { + case LL_RCC_DFSDM2_AUDIO_CLKSOURCE_I2S1: /* I2S1 clock used as DFSDM2 clock */ + dfsdm_frequency = LL_RCC_GetI2SClockFreq(LL_RCC_I2S1_CLKSOURCE); + break; + + case LL_RCC_DFSDM2_AUDIO_CLKSOURCE_I2S2: /* I2S2 clock used as DFSDM2 clock */ + default: + dfsdm_frequency = LL_RCC_GetI2SClockFreq(LL_RCC_I2S2_CLKSOURCE); + break; + } + } +#endif /* DFSDM2_Channel0 */ + + return dfsdm_frequency; +} +#endif /* DFSDM1_Channel0 */ + +#if defined(DSI) +/** + * @brief Return DSI clock frequency + * @param DSIxSource This parameter can be one of the following values: + * @arg @ref LL_RCC_DSI_CLKSOURCE + * @retval DSI clock frequency (in Hz) + * - @ref LL_RCC_PERIPH_FREQUENCY_NO indicates that oscillator is not ready + * - @ref LL_RCC_PERIPH_FREQUENCY_NA indicates that external clock is used + */ +uint32_t LL_RCC_GetDSIClockFreq(uint32_t DSIxSource) +{ + uint32_t dsi_frequency = LL_RCC_PERIPH_FREQUENCY_NO; + + /* Check parameter */ + assert_param(IS_LL_RCC_DSI_CLKSOURCE(DSIxSource)); + + /* DSICLK clock frequency */ + switch (LL_RCC_GetDSIClockSource(DSIxSource)) + { + case LL_RCC_DSI_CLKSOURCE_PLL: /* DSI Clock is PLL Osc. */ + if (LL_RCC_PLL_IsReady()) + { + dsi_frequency = RCC_PLL_GetFreqDomain_DSI(); + } + break; + + case LL_RCC_DSI_CLKSOURCE_PHY: /* DSI Clock is DSI physical clock. */ + default: + dsi_frequency = LL_RCC_PERIPH_FREQUENCY_NA; + break; + } + + return dsi_frequency; +} +#endif /* DSI */ + +#if defined(LTDC) +/** + * @brief Return LTDC clock frequency + * @param LTDCxSource This parameter can be one of the following values: + * @arg @ref LL_RCC_LTDC_CLKSOURCE + * @retval LTDC clock frequency (in Hz) + * - @ref LL_RCC_PERIPH_FREQUENCY_NO indicates that oscillator PLLSAI is not ready + */ +uint32_t LL_RCC_GetLTDCClockFreq(uint32_t LTDCxSource) +{ + uint32_t ltdc_frequency = LL_RCC_PERIPH_FREQUENCY_NO; + + /* Check parameter */ + assert_param(IS_LL_RCC_LTDC_CLKSOURCE(LTDCxSource)); + + if (LL_RCC_PLLSAI_IsReady()) + { + ltdc_frequency = RCC_PLLSAI_GetFreqDomain_LTDC(); + } + + return ltdc_frequency; +} +#endif /* LTDC */ + +#if defined(SPDIFRX) +/** + * @brief Return SPDIFRX clock frequency + * @param SPDIFRXxSource This parameter can be one of the following values: + * @arg @ref LL_RCC_SPDIFRX1_CLKSOURCE + * @retval SPDIFRX clock frequency (in Hz) + * - @ref LL_RCC_PERIPH_FREQUENCY_NO indicates that oscillator is not ready + */ +uint32_t LL_RCC_GetSPDIFRXClockFreq(uint32_t SPDIFRXxSource) +{ + uint32_t spdifrx_frequency = LL_RCC_PERIPH_FREQUENCY_NO; + + /* Check parameter */ + assert_param(IS_LL_RCC_SPDIFRX_CLKSOURCE(SPDIFRXxSource)); + + /* SPDIFRX1CLK clock frequency */ + switch (LL_RCC_GetSPDIFRXClockSource(SPDIFRXxSource)) + { + case LL_RCC_SPDIFRX1_CLKSOURCE_PLLI2S: /* SPDIFRX Clock is PLLI2S Osc. */ + if (LL_RCC_PLLI2S_IsReady()) + { + spdifrx_frequency = RCC_PLLI2S_GetFreqDomain_SPDIFRX(); + } + break; + + case LL_RCC_SPDIFRX1_CLKSOURCE_PLL: /* SPDIFRX Clock is PLL Osc. */ + default: + if (LL_RCC_PLL_IsReady()) + { + spdifrx_frequency = RCC_PLL_GetFreqDomain_SPDIFRX(); + } + break; + } + + return spdifrx_frequency; +} +#endif /* SPDIFRX */ + +/** + * @} + */ + +/** + * @} + */ + +/** @addtogroup RCC_LL_Private_Functions + * @{ + */ + +/** + * @brief Return SYSTEM clock frequency + * @retval SYSTEM clock frequency (in Hz) + */ +uint32_t RCC_GetSystemClockFreq(void) +{ + uint32_t frequency = 0U; + + /* Get SYSCLK source -------------------------------------------------------*/ + switch (LL_RCC_GetSysClkSource()) + { + case LL_RCC_SYS_CLKSOURCE_STATUS_HSI: /* HSI used as system clock source */ + frequency = HSI_VALUE; + break; + + case LL_RCC_SYS_CLKSOURCE_STATUS_HSE: /* HSE used as system clock source */ + frequency = HSE_VALUE; + break; + + case LL_RCC_SYS_CLKSOURCE_STATUS_PLL: /* PLL used as system clock source */ + frequency = RCC_PLL_GetFreqDomain_SYS(LL_RCC_SYS_CLKSOURCE_STATUS_PLL); + break; + +#if defined(RCC_PLLR_SYSCLK_SUPPORT) + case LL_RCC_SYS_CLKSOURCE_STATUS_PLLR: /* PLLR used as system clock source */ + frequency = RCC_PLL_GetFreqDomain_SYS(LL_RCC_SYS_CLKSOURCE_STATUS_PLLR); + break; +#endif /* RCC_PLLR_SYSCLK_SUPPORT */ + + default: + frequency = HSI_VALUE; + break; + } + + return frequency; +} + +/** + * @brief Return HCLK clock frequency + * @param SYSCLK_Frequency SYSCLK clock frequency + * @retval HCLK clock frequency (in Hz) + */ +uint32_t RCC_GetHCLKClockFreq(uint32_t SYSCLK_Frequency) +{ + /* HCLK clock frequency */ + return __LL_RCC_CALC_HCLK_FREQ(SYSCLK_Frequency, LL_RCC_GetAHBPrescaler()); +} + +/** + * @brief Return PCLK1 clock frequency + * @param HCLK_Frequency HCLK clock frequency + * @retval PCLK1 clock frequency (in Hz) + */ +uint32_t RCC_GetPCLK1ClockFreq(uint32_t HCLK_Frequency) +{ + /* PCLK1 clock frequency */ + return __LL_RCC_CALC_PCLK1_FREQ(HCLK_Frequency, LL_RCC_GetAPB1Prescaler()); +} + +/** + * @brief Return PCLK2 clock frequency + * @param HCLK_Frequency HCLK clock frequency + * @retval PCLK2 clock frequency (in Hz) + */ +uint32_t RCC_GetPCLK2ClockFreq(uint32_t HCLK_Frequency) +{ + /* PCLK2 clock frequency */ + return __LL_RCC_CALC_PCLK2_FREQ(HCLK_Frequency, LL_RCC_GetAPB2Prescaler()); +} + +/** + * @brief Return PLL clock frequency used for system domain + * @param SYSCLK_Source System clock source + * @retval PLL clock frequency (in Hz) + */ +uint32_t RCC_PLL_GetFreqDomain_SYS(uint32_t SYSCLK_Source) +{ + uint32_t pllinputfreq = 0U; + uint32_t pllsource = 0U; + uint32_t plloutputfreq = 0U; + + /* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLLM) * PLLN + SYSCLK = PLL_VCO / (PLLP or PLLR) + */ + pllsource = LL_RCC_PLL_GetMainSource(); + + switch (pllsource) + { + case LL_RCC_PLLSOURCE_HSI: /* HSI used as PLL clock source */ + pllinputfreq = HSI_VALUE; + break; + + case LL_RCC_PLLSOURCE_HSE: /* HSE used as PLL clock source */ + pllinputfreq = HSE_VALUE; + break; + + default: + pllinputfreq = HSI_VALUE; + break; + } + + if (SYSCLK_Source == LL_RCC_SYS_CLKSOURCE_STATUS_PLL) + { + plloutputfreq = __LL_RCC_CALC_PLLCLK_FREQ(pllinputfreq, LL_RCC_PLL_GetDivider(), + LL_RCC_PLL_GetN(), LL_RCC_PLL_GetP()); + } +#if defined(RCC_PLLR_SYSCLK_SUPPORT) + else + { + plloutputfreq = __LL_RCC_CALC_PLLRCLK_FREQ(pllinputfreq, LL_RCC_PLL_GetDivider(), + LL_RCC_PLL_GetN(), LL_RCC_PLL_GetR()); + } +#endif /* RCC_PLLR_SYSCLK_SUPPORT */ + + return plloutputfreq; +} + +/** + * @brief Return PLL clock frequency used for 48 MHz domain + * @retval PLL clock frequency (in Hz) + */ +uint32_t RCC_PLL_GetFreqDomain_48M(void) +{ + uint32_t pllinputfreq = 0U; + uint32_t pllsource = 0U; + + /* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLLM ) * PLLN + 48M Domain clock = PLL_VCO / PLLQ + */ + pllsource = LL_RCC_PLL_GetMainSource(); + + switch (pllsource) + { + case LL_RCC_PLLSOURCE_HSI: /* HSI used as PLL clock source */ + pllinputfreq = HSI_VALUE; + break; + + case LL_RCC_PLLSOURCE_HSE: /* HSE used as PLL clock source */ + pllinputfreq = HSE_VALUE; + break; + + default: + pllinputfreq = HSI_VALUE; + break; + } + return __LL_RCC_CALC_PLLCLK_48M_FREQ(pllinputfreq, LL_RCC_PLL_GetDivider(), + LL_RCC_PLL_GetN(), LL_RCC_PLL_GetQ()); +} + +#if defined(DSI) +/** + * @brief Return PLL clock frequency used for DSI clock + * @retval PLL clock frequency (in Hz) + */ +uint32_t RCC_PLL_GetFreqDomain_DSI(void) +{ + uint32_t pllinputfreq = 0U; + uint32_t pllsource = 0U; + + /* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLLM) * PLLN + DSICLK = PLL_VCO / PLLR + */ + pllsource = LL_RCC_PLL_GetMainSource(); + + switch (pllsource) + { + case LL_RCC_PLLSOURCE_HSE: /* HSE used as PLL clock source */ + pllinputfreq = HSE_VALUE; + break; + + case LL_RCC_PLLSOURCE_HSI: /* HSI used as PLL clock source */ + default: + pllinputfreq = HSI_VALUE; + break; + } + return __LL_RCC_CALC_PLLCLK_DSI_FREQ(pllinputfreq, LL_RCC_PLL_GetDivider(), + LL_RCC_PLL_GetN(), LL_RCC_PLL_GetR()); +} +#endif /* DSI */ + +#if defined(RCC_DCKCFGR_I2SSRC) || defined(RCC_DCKCFGR_I2S1SRC) +/** + * @brief Return PLL clock frequency used for I2S clock + * @retval PLL clock frequency (in Hz) + */ +uint32_t RCC_PLL_GetFreqDomain_I2S(void) +{ + uint32_t pllinputfreq = 0U; + uint32_t pllsource = 0U; + + /* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLLM) * PLLN + I2SCLK = PLL_VCO / PLLR + */ + pllsource = LL_RCC_PLL_GetMainSource(); + + switch (pllsource) + { + case LL_RCC_PLLSOURCE_HSE: /* HSE used as PLL clock source */ + pllinputfreq = HSE_VALUE; + break; + + case LL_RCC_PLLSOURCE_HSI: /* HSI used as PLL clock source */ + default: + pllinputfreq = HSI_VALUE; + break; + } + return __LL_RCC_CALC_PLLCLK_I2S_FREQ(pllinputfreq, LL_RCC_PLL_GetDivider(), + LL_RCC_PLL_GetN(), LL_RCC_PLL_GetR()); +} +#endif /* RCC_DCKCFGR_I2SSRC || RCC_DCKCFGR_I2S1SRC */ + +#if defined(SPDIFRX) +/** + * @brief Return PLL clock frequency used for SPDIFRX clock + * @retval PLL clock frequency (in Hz) + */ +uint32_t RCC_PLL_GetFreqDomain_SPDIFRX(void) +{ + uint32_t pllinputfreq = 0U; + uint32_t pllsource = 0U; + + /* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLLM) * PLLN + SPDIFRXCLK = PLL_VCO / PLLR + */ + pllsource = LL_RCC_PLL_GetMainSource(); + + switch (pllsource) + { + case LL_RCC_PLLSOURCE_HSE: /* HSE used as PLL clock source */ + pllinputfreq = HSE_VALUE; + break; + + case LL_RCC_PLLSOURCE_HSI: /* HSI used as PLL clock source */ + default: + pllinputfreq = HSI_VALUE; + break; + } + return __LL_RCC_CALC_PLLCLK_SPDIFRX_FREQ(pllinputfreq, LL_RCC_PLL_GetDivider(), + LL_RCC_PLL_GetN(), LL_RCC_PLL_GetR()); +} +#endif /* SPDIFRX */ + +#if defined(RCC_PLLCFGR_PLLR) +#if defined(SAI1) +/** + * @brief Return PLL clock frequency used for SAI clock + * @retval PLL clock frequency (in Hz) + */ +uint32_t RCC_PLL_GetFreqDomain_SAI(void) +{ + uint32_t pllinputfreq = 0U; + uint32_t pllsource = 0U; + uint32_t plloutputfreq = 0U; + + /* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLLM) * PLLN + SAICLK = (PLL_VCO / PLLR) / PLLDIVR + or + SAICLK = PLL_VCO / PLLR + */ + pllsource = LL_RCC_PLL_GetMainSource(); + + switch (pllsource) + { + case LL_RCC_PLLSOURCE_HSE: /* HSE used as PLL clock source */ + pllinputfreq = HSE_VALUE; + break; + + case LL_RCC_PLLSOURCE_HSI: /* HSI used as PLL clock source */ + default: + pllinputfreq = HSI_VALUE; + break; + } + +#if defined(RCC_DCKCFGR_PLLDIVR) + plloutputfreq = __LL_RCC_CALC_PLLCLK_SAI_FREQ(pllinputfreq, LL_RCC_PLL_GetDivider(), + LL_RCC_PLL_GetN(), LL_RCC_PLL_GetR(), LL_RCC_PLL_GetDIVR()); +#else + plloutputfreq = __LL_RCC_CALC_PLLCLK_SAI_FREQ(pllinputfreq, LL_RCC_PLL_GetDivider(), + LL_RCC_PLL_GetN(), LL_RCC_PLL_GetR()); +#endif /* RCC_DCKCFGR_PLLDIVR */ + + return plloutputfreq; +} +#endif /* SAI1 */ +#endif /* RCC_PLLCFGR_PLLR */ + +#if defined(RCC_PLLSAI_SUPPORT) +/** + * @brief Return PLLSAI clock frequency used for SAI domain + * @retval PLLSAI clock frequency (in Hz) + */ +uint32_t RCC_PLLSAI_GetFreqDomain_SAI(void) +{ + uint32_t pllinputfreq = 0U; + uint32_t pllsource = 0U; + + /* PLLSAI_VCO = (HSE_VALUE or HSI_VALUE / PLLSAIM) * PLLSAIN + SAI domain clock = (PLLSAI_VCO / PLLSAIQ) / PLLSAIDIVQ + */ + pllsource = LL_RCC_PLL_GetMainSource(); + + switch (pllsource) + { + case LL_RCC_PLLSOURCE_HSI: /* HSI used as PLLSAI clock source */ + pllinputfreq = HSI_VALUE; + break; + + case LL_RCC_PLLSOURCE_HSE: /* HSE used as PLLSAI clock source */ + pllinputfreq = HSE_VALUE; + break; + + default: + pllinputfreq = HSI_VALUE; + break; + } + return __LL_RCC_CALC_PLLSAI_SAI_FREQ(pllinputfreq, LL_RCC_PLLSAI_GetDivider(), + LL_RCC_PLLSAI_GetN(), LL_RCC_PLLSAI_GetQ(), LL_RCC_PLLSAI_GetDIVQ()); +} + +#if defined(RCC_PLLSAICFGR_PLLSAIP) +/** + * @brief Return PLLSAI clock frequency used for 48Mhz domain + * @retval PLLSAI clock frequency (in Hz) + */ +uint32_t RCC_PLLSAI_GetFreqDomain_48M(void) +{ + uint32_t pllinputfreq = 0U; + uint32_t pllsource = 0U; + + /* PLLSAI_VCO = (HSE_VALUE or HSI_VALUE / PLLSAIM) * PLLSAIN + 48M Domain clock = PLLSAI_VCO / PLLSAIP + */ + pllsource = LL_RCC_PLL_GetMainSource(); + + switch (pllsource) + { + case LL_RCC_PLLSOURCE_HSI: /* HSI used as PLLSAI clock source */ + pllinputfreq = HSI_VALUE; + break; + + case LL_RCC_PLLSOURCE_HSE: /* HSE used as PLLSAI clock source */ + pllinputfreq = HSE_VALUE; + break; + + default: + pllinputfreq = HSI_VALUE; + break; + } + return __LL_RCC_CALC_PLLSAI_48M_FREQ(pllinputfreq, LL_RCC_PLLSAI_GetDivider(), + LL_RCC_PLLSAI_GetN(), LL_RCC_PLLSAI_GetP()); +} +#endif /* RCC_PLLSAICFGR_PLLSAIP */ + +#if defined(LTDC) +/** + * @brief Return PLLSAI clock frequency used for LTDC domain + * @retval PLLSAI clock frequency (in Hz) + */ +uint32_t RCC_PLLSAI_GetFreqDomain_LTDC(void) +{ + uint32_t pllinputfreq = 0U; + uint32_t pllsource = 0U; + + /* PLLSAI_VCO = (HSE_VALUE or HSI_VALUE / PLLSAIM) * PLLSAIN + LTDC Domain clock = (PLLSAI_VCO / PLLSAIR) / PLLSAIDIVR + */ + pllsource = LL_RCC_PLL_GetMainSource(); + + switch (pllsource) + { + case LL_RCC_PLLSOURCE_HSI: /* HSI used as PLLSAI clock source */ + pllinputfreq = HSI_VALUE; + break; + + case LL_RCC_PLLSOURCE_HSE: /* HSE used as PLLSAI clock source */ + pllinputfreq = HSE_VALUE; + break; + + default: + pllinputfreq = HSI_VALUE; + break; + } + return __LL_RCC_CALC_PLLSAI_LTDC_FREQ(pllinputfreq, LL_RCC_PLLSAI_GetDivider(), + LL_RCC_PLLSAI_GetN(), LL_RCC_PLLSAI_GetR(), LL_RCC_PLLSAI_GetDIVR()); +} +#endif /* LTDC */ +#endif /* RCC_PLLSAI_SUPPORT */ + +#if defined(RCC_PLLI2S_SUPPORT) +#if defined(SAI1) +/** + * @brief Return PLLI2S clock frequency used for SAI domains + * @retval PLLI2S clock frequency (in Hz) + */ +uint32_t RCC_PLLI2S_GetFreqDomain_SAI(void) +{ + uint32_t plli2sinputfreq = 0; + uint32_t plli2ssource = 0U; + uint32_t plli2soutputfreq = 0U; + + /* PLLI2S_VCO = (HSE_VALUE or HSI_VALUE / PLLI2SM) * PLLI2SN + SAI domain clock = (PLLI2S_VCO / PLLI2SQ) / PLLI2SDIVQ + or + SAI domain clock = (PLLI2S_VCO / PLLI2SR) / PLLI2SDIVR + */ + plli2ssource = LL_RCC_PLLI2S_GetMainSource(); + + switch (plli2ssource) + { + case LL_RCC_PLLSOURCE_HSE: /* HSE used as PLLI2S clock source */ + plli2sinputfreq = HSE_VALUE; + break; + +#if defined(RCC_PLLI2SCFGR_PLLI2SSRC) + case LL_RCC_PLLI2SSOURCE_PIN: /* External pin input clock used as PLLI2S clock source */ + plli2sinputfreq = EXTERNAL_CLOCK_VALUE; + break; +#endif /* RCC_PLLI2SCFGR_PLLI2SSRC */ + + case LL_RCC_PLLSOURCE_HSI: /* HSI used as PLLI2S clock source */ + default: + plli2sinputfreq = HSI_VALUE; + break; + } + +#if defined(RCC_DCKCFGR_PLLI2SDIVQ) + plli2soutputfreq = __LL_RCC_CALC_PLLI2S_SAI_FREQ(plli2sinputfreq, LL_RCC_PLLI2S_GetDivider(), + LL_RCC_PLLI2S_GetN(), LL_RCC_PLLI2S_GetQ(), LL_RCC_PLLI2S_GetDIVQ()); +#else + plli2soutputfreq = __LL_RCC_CALC_PLLI2S_SAI_FREQ(plli2sinputfreq, LL_RCC_PLLI2S_GetDivider(), + LL_RCC_PLLI2S_GetN(), LL_RCC_PLLI2S_GetR(), LL_RCC_PLLI2S_GetDIVR()); +#endif /* RCC_DCKCFGR_PLLI2SDIVQ */ + + return plli2soutputfreq; +} +#endif /* SAI1 */ + +#if defined(SPDIFRX) +/** + * @brief Return PLLI2S clock frequency used for SPDIFRX domain + * @retval PLLI2S clock frequency (in Hz) + */ +uint32_t RCC_PLLI2S_GetFreqDomain_SPDIFRX(void) +{ + uint32_t pllinputfreq = 0U; + uint32_t pllsource = 0U; + + /* PLLI2S_VCO = (HSE_VALUE or HSI_VALUE / PLLI2SM) * PLLI2SN + SPDIFRX Domain clock = PLLI2S_VCO / PLLI2SP + */ + pllsource = LL_RCC_PLLI2S_GetMainSource(); + + switch (pllsource) + { + case LL_RCC_PLLSOURCE_HSE: /* HSE used as PLLI2S clock source */ + pllinputfreq = HSE_VALUE; + break; + + case LL_RCC_PLLSOURCE_HSI: /* HSI used as PLLI2S clock source */ + default: + pllinputfreq = HSI_VALUE; + break; + } + + return __LL_RCC_CALC_PLLI2S_SPDIFRX_FREQ(pllinputfreq, LL_RCC_PLLI2S_GetDivider(), + LL_RCC_PLLI2S_GetN(), LL_RCC_PLLI2S_GetP()); +} +#endif /* SPDIFRX */ + +/** + * @brief Return PLLI2S clock frequency used for I2S domain + * @retval PLLI2S clock frequency (in Hz) + */ +uint32_t RCC_PLLI2S_GetFreqDomain_I2S(void) +{ + uint32_t plli2sinputfreq = 0U; + uint32_t plli2ssource = 0U; + uint32_t plli2soutputfreq = 0U; + + /* PLLI2S_VCO = (HSE_VALUE or HSI_VALUE / PLLI2SM) * PLLI2SN + I2S Domain clock = PLLI2S_VCO / PLLI2SR + */ + plli2ssource = LL_RCC_PLLI2S_GetMainSource(); + + switch (plli2ssource) + { + case LL_RCC_PLLSOURCE_HSE: /* HSE used as PLLI2S clock source */ + plli2sinputfreq = HSE_VALUE; + break; + +#if defined(RCC_PLLI2SCFGR_PLLI2SSRC) + case LL_RCC_PLLI2SSOURCE_PIN: /* External pin input clock used as PLLI2S clock source */ + plli2sinputfreq = EXTERNAL_CLOCK_VALUE; + break; +#endif /* RCC_PLLI2SCFGR_PLLI2SSRC */ + + case LL_RCC_PLLSOURCE_HSI: /* HSI used as PLLI2S clock source */ + default: + plli2sinputfreq = HSI_VALUE; + break; + } + + plli2soutputfreq = __LL_RCC_CALC_PLLI2S_I2S_FREQ(plli2sinputfreq, LL_RCC_PLLI2S_GetDivider(), + LL_RCC_PLLI2S_GetN(), LL_RCC_PLLI2S_GetR()); + + return plli2soutputfreq; +} + +#if defined(RCC_PLLI2SCFGR_PLLI2SQ) && !defined(RCC_DCKCFGR_PLLI2SDIVQ) +/** + * @brief Return PLLI2S clock frequency used for 48Mhz domain + * @retval PLLI2S clock frequency (in Hz) + */ +uint32_t RCC_PLLI2S_GetFreqDomain_48M(void) +{ + uint32_t plli2sinputfreq = 0U; + uint32_t plli2ssource = 0U; + uint32_t plli2soutputfreq = 0U; + + /* PLL48M_VCO = (HSE_VALUE or HSI_VALUE / PLLI2SM) * PLLI2SN + 48M Domain clock = PLLI2S_VCO / PLLI2SQ + */ + plli2ssource = LL_RCC_PLLI2S_GetMainSource(); + + switch (plli2ssource) + { + case LL_RCC_PLLSOURCE_HSE: /* HSE used as PLLI2S clock source */ + plli2sinputfreq = HSE_VALUE; + break; + +#if defined(RCC_PLLI2SCFGR_PLLI2SSRC) + case LL_RCC_PLLI2SSOURCE_PIN: /* External pin input clock used as PLLI2S clock source */ + plli2sinputfreq = EXTERNAL_CLOCK_VALUE; + break; +#endif /* RCC_PLLI2SCFGR_PLLI2SSRC */ + + case LL_RCC_PLLSOURCE_HSI: /* HSI used as PLLI2S clock source */ + default: + plli2sinputfreq = HSI_VALUE; + break; + } + + plli2soutputfreq = __LL_RCC_CALC_PLLI2S_48M_FREQ(plli2sinputfreq, LL_RCC_PLLI2S_GetDivider(), + LL_RCC_PLLI2S_GetN(), LL_RCC_PLLI2S_GetQ()); + + return plli2soutputfreq; +} +#endif /* RCC_PLLI2SCFGR_PLLI2SQ && !RCC_DCKCFGR_PLLI2SDIVQ */ +#endif /* RCC_PLLI2S_SUPPORT */ +/** + * @} + */ + +/** + * @} + */ + +#endif /* defined(RCC) */ + +/** + * @} + */ + +#endif /* USE_FULL_LL_DRIVER */ + diff --git a/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_utils.c b/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_utils.c new file mode 100644 index 0000000..34df6ea --- /dev/null +++ b/cubemx/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_utils.c @@ -0,0 +1,749 @@ +/** + ****************************************************************************** + * @file stm32f4xx_ll_utils.c + * @author MCD Application Team + * @brief UTILS LL module driver. + ****************************************************************************** + * @attention + * + * Copyright (c) 2017 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ +/* Includes ------------------------------------------------------------------*/ +#include "stm32f4xx_ll_utils.h" +#include "stm32f4xx_ll_rcc.h" +#include "stm32f4xx_ll_system.h" +#include "stm32f4xx_ll_pwr.h" +#ifdef USE_FULL_ASSERT +#include "stm32_assert.h" +#else +#define assert_param(expr) ((void)0U) +#endif /* USE_FULL_ASSERT */ + +/** @addtogroup STM32F4xx_LL_Driver + * @{ + */ + +/** @addtogroup UTILS_LL + * @{ + */ + +/* Private types -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private constants ---------------------------------------------------------*/ +/** @addtogroup UTILS_LL_Private_Constants + * @{ + */ +#if defined(RCC_MAX_FREQUENCY_SCALE1) +#define UTILS_MAX_FREQUENCY_SCALE1 RCC_MAX_FREQUENCY /*!< Maximum frequency for system clock at power scale1, in Hz */ +#endif /*RCC_MAX_FREQUENCY_SCALE1 */ +#define UTILS_MAX_FREQUENCY_SCALE2 RCC_MAX_FREQUENCY_SCALE2 /*!< Maximum frequency for system clock at power scale2, in Hz */ +#if defined(RCC_MAX_FREQUENCY_SCALE3) +#define UTILS_MAX_FREQUENCY_SCALE3 RCC_MAX_FREQUENCY_SCALE3 /*!< Maximum frequency for system clock at power scale3, in Hz */ +#endif /* MAX_FREQUENCY_SCALE3 */ + +/* Defines used for PLL range */ +#define UTILS_PLLVCO_INPUT_MIN RCC_PLLVCO_INPUT_MIN /*!< Frequency min for PLLVCO input, in Hz */ +#define UTILS_PLLVCO_INPUT_MAX RCC_PLLVCO_INPUT_MAX /*!< Frequency max for PLLVCO input, in Hz */ +#define UTILS_PLLVCO_OUTPUT_MIN RCC_PLLVCO_OUTPUT_MIN /*!< Frequency min for PLLVCO output, in Hz */ +#define UTILS_PLLVCO_OUTPUT_MAX RCC_PLLVCO_OUTPUT_MAX /*!< Frequency max for PLLVCO output, in Hz */ + +/* Defines used for HSE range */ +#define UTILS_HSE_FREQUENCY_MIN 4000000U /*!< Frequency min for HSE frequency, in Hz */ +#define UTILS_HSE_FREQUENCY_MAX 26000000U /*!< Frequency max for HSE frequency, in Hz */ + +/* Defines used for FLASH latency according to HCLK Frequency */ +#if defined(FLASH_SCALE1_LATENCY1_FREQ) +#define UTILS_SCALE1_LATENCY1_FREQ FLASH_SCALE1_LATENCY1_FREQ /*!< HCLK frequency to set FLASH latency 1 in power scale 1 */ +#endif +#if defined(FLASH_SCALE1_LATENCY2_FREQ) +#define UTILS_SCALE1_LATENCY2_FREQ FLASH_SCALE1_LATENCY2_FREQ /*!< HCLK frequency to set FLASH latency 2 in power scale 1 */ +#endif +#if defined(FLASH_SCALE1_LATENCY3_FREQ) +#define UTILS_SCALE1_LATENCY3_FREQ FLASH_SCALE1_LATENCY3_FREQ /*!< HCLK frequency to set FLASH latency 3 in power scale 1 */ +#endif +#if defined(FLASH_SCALE1_LATENCY4_FREQ) +#define UTILS_SCALE1_LATENCY4_FREQ FLASH_SCALE1_LATENCY4_FREQ /*!< HCLK frequency to set FLASH latency 4 in power scale 1 */ +#endif +#if defined(FLASH_SCALE1_LATENCY5_FREQ) +#define UTILS_SCALE1_LATENCY5_FREQ FLASH_SCALE1_LATENCY5_FREQ /*!< HCLK frequency to set FLASH latency 5 in power scale 1 */ +#endif +#define UTILS_SCALE2_LATENCY1_FREQ FLASH_SCALE2_LATENCY1_FREQ /*!< HCLK frequency to set FLASH latency 1 in power scale 2 */ +#define UTILS_SCALE2_LATENCY2_FREQ FLASH_SCALE2_LATENCY2_FREQ /*!< HCLK frequency to set FLASH latency 2 in power scale 2 */ +#if defined(FLASH_SCALE2_LATENCY3_FREQ) +#define UTILS_SCALE2_LATENCY3_FREQ FLASH_SCALE2_LATENCY3_FREQ /*!< HCLK frequency to set FLASH latency 2 in power scale 2 */ +#endif +#if defined(FLASH_SCALE2_LATENCY4_FREQ) +#define UTILS_SCALE2_LATENCY4_FREQ FLASH_SCALE2_LATENCY4_FREQ /*!< HCLK frequency to set FLASH latency 4 in power scale 2 */ +#endif +#if defined(FLASH_SCALE2_LATENCY5_FREQ) +#define UTILS_SCALE2_LATENCY5_FREQ FLASH_SCALE2_LATENCY5_FREQ /*!< HCLK frequency to set FLASH latency 5 in power scale 2 */ +#endif +#if defined(FLASH_SCALE3_LATENCY1_FREQ) +#define UTILS_SCALE3_LATENCY1_FREQ FLASH_SCALE3_LATENCY1_FREQ /*!< HCLK frequency to set FLASH latency 1 in power scale 3 */ +#endif +#if defined(FLASH_SCALE3_LATENCY2_FREQ) +#define UTILS_SCALE3_LATENCY2_FREQ FLASH_SCALE3_LATENCY2_FREQ /*!< HCLK frequency to set FLASH latency 2 in power scale 3 */ +#endif +#if defined(FLASH_SCALE3_LATENCY3_FREQ) +#define UTILS_SCALE3_LATENCY3_FREQ FLASH_SCALE3_LATENCY3_FREQ /*!< HCLK frequency to set FLASH latency 3 in power scale 3 */ +#endif +#if defined(FLASH_SCALE3_LATENCY4_FREQ) +#define UTILS_SCALE3_LATENCY4_FREQ FLASH_SCALE3_LATENCY4_FREQ /*!< HCLK frequency to set FLASH latency 4 in power scale 3 */ +#endif +#if defined(FLASH_SCALE3_LATENCY5_FREQ) +#define UTILS_SCALE3_LATENCY5_FREQ FLASH_SCALE3_LATENCY5_FREQ /*!< HCLK frequency to set FLASH latency 5 in power scale 3 */ +#endif +/** + * @} + */ + +/* Private macros ------------------------------------------------------------*/ +/** @addtogroup UTILS_LL_Private_Macros + * @{ + */ +#define IS_LL_UTILS_SYSCLK_DIV(__VALUE__) (((__VALUE__) == LL_RCC_SYSCLK_DIV_1) \ + || ((__VALUE__) == LL_RCC_SYSCLK_DIV_2) \ + || ((__VALUE__) == LL_RCC_SYSCLK_DIV_4) \ + || ((__VALUE__) == LL_RCC_SYSCLK_DIV_8) \ + || ((__VALUE__) == LL_RCC_SYSCLK_DIV_16) \ + || ((__VALUE__) == LL_RCC_SYSCLK_DIV_64) \ + || ((__VALUE__) == LL_RCC_SYSCLK_DIV_128) \ + || ((__VALUE__) == LL_RCC_SYSCLK_DIV_256) \ + || ((__VALUE__) == LL_RCC_SYSCLK_DIV_512)) + +#define IS_LL_UTILS_APB1_DIV(__VALUE__) (((__VALUE__) == LL_RCC_APB1_DIV_1) \ + || ((__VALUE__) == LL_RCC_APB1_DIV_2) \ + || ((__VALUE__) == LL_RCC_APB1_DIV_4) \ + || ((__VALUE__) == LL_RCC_APB1_DIV_8) \ + || ((__VALUE__) == LL_RCC_APB1_DIV_16)) + +#define IS_LL_UTILS_APB2_DIV(__VALUE__) (((__VALUE__) == LL_RCC_APB2_DIV_1) \ + || ((__VALUE__) == LL_RCC_APB2_DIV_2) \ + || ((__VALUE__) == LL_RCC_APB2_DIV_4) \ + || ((__VALUE__) == LL_RCC_APB2_DIV_8) \ + || ((__VALUE__) == LL_RCC_APB2_DIV_16)) + +#define IS_LL_UTILS_PLLM_VALUE(__VALUE__) (((__VALUE__) == LL_RCC_PLLM_DIV_2) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_3) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_4) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_5) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_6) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_7) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_8) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_9) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_10) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_11) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_12) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_13) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_14) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_15) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_16) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_17) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_18) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_19) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_20) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_21) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_22) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_23) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_24) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_25) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_26) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_27) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_28) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_29) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_30) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_31) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_32) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_33) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_34) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_35) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_36) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_37) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_38) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_39) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_40) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_41) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_42) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_43) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_44) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_45) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_46) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_47) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_48) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_49) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_50) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_51) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_52) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_53) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_54) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_55) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_56) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_57) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_58) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_59) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_60) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_61) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_62) \ + || ((__VALUE__) == LL_RCC_PLLM_DIV_63)) + +#define IS_LL_UTILS_PLLN_VALUE(__VALUE__) ((RCC_PLLN_MIN_VALUE <= (__VALUE__)) && ((__VALUE__) <= RCC_PLLN_MAX_VALUE)) + +#define IS_LL_UTILS_PLLP_VALUE(__VALUE__) (((__VALUE__) == LL_RCC_PLLP_DIV_2) \ + || ((__VALUE__) == LL_RCC_PLLP_DIV_4) \ + || ((__VALUE__) == LL_RCC_PLLP_DIV_6) \ + || ((__VALUE__) == LL_RCC_PLLP_DIV_8)) + +#define IS_LL_UTILS_PLLVCO_INPUT(__VALUE__) ((UTILS_PLLVCO_INPUT_MIN <= (__VALUE__)) && ((__VALUE__) <= UTILS_PLLVCO_INPUT_MAX)) + +#define IS_LL_UTILS_PLLVCO_OUTPUT(__VALUE__) ((UTILS_PLLVCO_OUTPUT_MIN <= (__VALUE__)) && ((__VALUE__) <= UTILS_PLLVCO_OUTPUT_MAX)) + +#if !defined(RCC_MAX_FREQUENCY_SCALE1) +#define IS_LL_UTILS_PLL_FREQUENCY(__VALUE__) ((LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE2) ? ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE2) : \ + ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE3)) + +#elif defined(RCC_MAX_FREQUENCY_SCALE3) +#define IS_LL_UTILS_PLL_FREQUENCY(__VALUE__) ((LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE1) ? ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE1) : \ + (LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE2) ? ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE2) : \ + ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE3)) + +#else +#define IS_LL_UTILS_PLL_FREQUENCY(__VALUE__) ((LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE1) ? ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE1) : \ + ((__VALUE__) <= UTILS_MAX_FREQUENCY_SCALE2)) + +#endif /* RCC_MAX_FREQUENCY_SCALE1*/ +#define IS_LL_UTILS_HSE_BYPASS(__STATE__) (((__STATE__) == LL_UTILS_HSEBYPASS_ON) \ + || ((__STATE__) == LL_UTILS_HSEBYPASS_OFF)) + +#define IS_LL_UTILS_HSE_FREQUENCY(__FREQUENCY__) (((__FREQUENCY__) >= UTILS_HSE_FREQUENCY_MIN) && ((__FREQUENCY__) <= UTILS_HSE_FREQUENCY_MAX)) +/** + * @} + */ +/* Private function prototypes -----------------------------------------------*/ +/** @defgroup UTILS_LL_Private_Functions UTILS Private functions + * @{ + */ +static uint32_t UTILS_GetPLLOutputFrequency(uint32_t PLL_InputFrequency, + LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct); +static ErrorStatus UTILS_EnablePLLAndSwitchSystem(uint32_t SYSCLK_Frequency, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct); +static ErrorStatus UTILS_PLL_IsBusy(void); +/** + * @} + */ + +/* Exported functions --------------------------------------------------------*/ +/** @addtogroup UTILS_LL_Exported_Functions + * @{ + */ + +/** @addtogroup UTILS_LL_EF_DELAY + * @{ + */ + +/** + * @brief This function configures the Cortex-M SysTick source to have 1ms time base. + * @note When a RTOS is used, it is recommended to avoid changing the Systick + * configuration by calling this function, for a delay use rather osDelay RTOS service. + * @param HCLKFrequency HCLK frequency in Hz + * @note HCLK frequency can be calculated thanks to RCC helper macro or function @ref LL_RCC_GetSystemClocksFreq + * @retval None + */ +void LL_Init1msTick(uint32_t HCLKFrequency) +{ + /* Use frequency provided in argument */ + LL_InitTick(HCLKFrequency, 1000U); +} + +/** + * @brief This function provides accurate delay (in milliseconds) based + * on SysTick counter flag + * @note When a RTOS is used, it is recommended to avoid using blocking delay + * and use rather osDelay service. + * @note To respect 1ms timebase, user should call @ref LL_Init1msTick function which + * will configure Systick to 1ms + * @param Delay specifies the delay time length, in milliseconds. + * @retval None + */ +void LL_mDelay(uint32_t Delay) +{ + __IO uint32_t tmp = SysTick->CTRL; /* Clear the COUNTFLAG first */ + /* Add this code to indicate that local variable is not used */ + ((void)tmp); + + /* Add a period to guaranty minimum wait */ + if(Delay < LL_MAX_DELAY) + { + Delay++; + } + + while (Delay) + { + if((SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk) != 0U) + { + Delay--; + } + } +} + +/** + * @} + */ + +/** @addtogroup UTILS_EF_SYSTEM + * @brief System Configuration functions + * + @verbatim + =============================================================================== + ##### System Configuration functions ##### + =============================================================================== + [..] + System, AHB and APB buses clocks configuration + + (+) The maximum frequency of the SYSCLK, HCLK, PCLK1 and PCLK2 is 180000000 Hz. + @endverbatim + @internal + Depending on the device voltage range, the maximum frequency should be + adapted accordingly to the Refenece manual. + @endinternal + * @{ + */ + +/** + * @brief This function sets directly SystemCoreClock CMSIS variable. + * @note Variable can be calculated also through SystemCoreClockUpdate function. + * @param HCLKFrequency HCLK frequency in Hz (can be calculated thanks to RCC helper macro) + * @retval None + */ +void LL_SetSystemCoreClock(uint32_t HCLKFrequency) +{ + /* HCLK clock frequency */ + SystemCoreClock = HCLKFrequency; +} + +/** + * @brief Update number of Flash wait states in line with new frequency and current + voltage range. + * @note This Function support ONLY devices with supply voltage (voltage range) between 2.7V and 3.6V + * @param HCLK_Frequency HCLK frequency + * @retval An ErrorStatus enumeration value: + * - SUCCESS: Latency has been modified + * - ERROR: Latency cannot be modified + */ +ErrorStatus LL_SetFlashLatency(uint32_t HCLK_Frequency) +{ + uint32_t timeout; + uint32_t getlatency; + uint32_t latency = LL_FLASH_LATENCY_0; /* default value 0WS */ + ErrorStatus status = SUCCESS; + + + /* Frequency cannot be equal to 0 */ + if(HCLK_Frequency == 0U) + { + status = ERROR; + } + else + { + if(LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE1) + { +#if defined (UTILS_SCALE1_LATENCY5_FREQ) + if((HCLK_Frequency > UTILS_SCALE1_LATENCY5_FREQ)&&(latency == LL_FLASH_LATENCY_0)) + { + latency = LL_FLASH_LATENCY_5; + } +#endif /*UTILS_SCALE1_LATENCY5_FREQ */ +#if defined (UTILS_SCALE1_LATENCY4_FREQ) + if((HCLK_Frequency > UTILS_SCALE1_LATENCY4_FREQ)&&(latency == LL_FLASH_LATENCY_0)) + { + latency = LL_FLASH_LATENCY_4; + } +#endif /* UTILS_SCALE1_LATENCY4_FREQ */ +#if defined (UTILS_SCALE1_LATENCY3_FREQ) + if((HCLK_Frequency > UTILS_SCALE1_LATENCY3_FREQ)&&(latency == LL_FLASH_LATENCY_0)) + { + latency = LL_FLASH_LATENCY_3; + } +#endif /* UTILS_SCALE1_LATENCY3_FREQ */ +#if defined (UTILS_SCALE1_LATENCY2_FREQ) + if((HCLK_Frequency > UTILS_SCALE1_LATENCY2_FREQ)&&(latency == LL_FLASH_LATENCY_0)) + { + latency = LL_FLASH_LATENCY_2; + } + else + { + if((HCLK_Frequency > UTILS_SCALE1_LATENCY1_FREQ)&&(latency == LL_FLASH_LATENCY_0)) + { + latency = LL_FLASH_LATENCY_1; + } + } +#endif /* UTILS_SCALE1_LATENCY2_FREQ */ + } + if(LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE2) + { +#if defined (UTILS_SCALE2_LATENCY5_FREQ) + if((HCLK_Frequency > UTILS_SCALE2_LATENCY5_FREQ)&&(latency == LL_FLASH_LATENCY_0)) + { + latency = LL_FLASH_LATENCY_5; + } +#endif /*UTILS_SCALE1_LATENCY5_FREQ */ +#if defined (UTILS_SCALE2_LATENCY4_FREQ) + if((HCLK_Frequency > UTILS_SCALE2_LATENCY4_FREQ)&&(latency == LL_FLASH_LATENCY_0)) + { + latency = LL_FLASH_LATENCY_4; + } +#endif /*UTILS_SCALE1_LATENCY4_FREQ */ +#if defined (UTILS_SCALE2_LATENCY3_FREQ) + if((HCLK_Frequency > UTILS_SCALE2_LATENCY3_FREQ)&&(latency == LL_FLASH_LATENCY_0)) + { + latency = LL_FLASH_LATENCY_3; + } +#endif /*UTILS_SCALE1_LATENCY3_FREQ */ + if((HCLK_Frequency > UTILS_SCALE2_LATENCY2_FREQ)&&(latency == LL_FLASH_LATENCY_0)) + { + latency = LL_FLASH_LATENCY_2; + } + else + { + if((HCLK_Frequency > UTILS_SCALE2_LATENCY1_FREQ)&&(latency == LL_FLASH_LATENCY_0)) + { + latency = LL_FLASH_LATENCY_1; + } + } + } +#if defined (LL_PWR_REGU_VOLTAGE_SCALE3) + if(LL_PWR_GetRegulVoltageScaling() == LL_PWR_REGU_VOLTAGE_SCALE3) + { +#if defined (UTILS_SCALE3_LATENCY3_FREQ) + if((HCLK_Frequency > UTILS_SCALE3_LATENCY3_FREQ)&&(latency == LL_FLASH_LATENCY_0)) + { + latency = LL_FLASH_LATENCY_3; + } +#endif /*UTILS_SCALE1_LATENCY3_FREQ */ +#if defined (UTILS_SCALE3_LATENCY2_FREQ) + if((HCLK_Frequency > UTILS_SCALE3_LATENCY2_FREQ)&&(latency == LL_FLASH_LATENCY_0)) + { + latency = LL_FLASH_LATENCY_2; + } + else + { + if((HCLK_Frequency > UTILS_SCALE3_LATENCY1_FREQ)&&(latency == LL_FLASH_LATENCY_0)) + { + latency = LL_FLASH_LATENCY_1; + } + } + } +#endif /*UTILS_SCALE1_LATENCY2_FREQ */ +#endif /* LL_PWR_REGU_VOLTAGE_SCALE3 */ + + LL_FLASH_SetLatency(latency); + /* Check that the new number of wait states is taken into account to access the Flash + memory by reading the FLASH_ACR register */ + timeout = 2; + do + { + /* Wait for Flash latency to be updated */ + getlatency = LL_FLASH_GetLatency(); + timeout--; + } while ((getlatency != latency) && (timeout > 0)); + + if(getlatency != latency) + { + status = ERROR; + } + else + { + status = SUCCESS; + } + } + return status; +} + +/** + * @brief This function configures system clock at maximum frequency with HSI as clock source of the PLL + * @note The application need to ensure that PLL is disabled. + * @note Function is based on the following formula: + * - PLL output frequency = (((HSI frequency / PLLM) * PLLN) / PLLP) + * - PLLM: ensure that the VCO input frequency ranges from @ref RCC_PLLVCO_INPUT_MIN to @ref RCC_PLLVCO_INPUT_MAX (PLLVCO_input = HSI frequency / PLLM) + * - PLLN: ensure that the VCO output frequency is between @ref RCC_PLLVCO_OUTPUT_MIN and @ref RCC_PLLVCO_OUTPUT_MAX (PLLVCO_output = PLLVCO_input * PLLN) + * - PLLP: ensure that max frequency at 180000000 Hz is reach (PLLVCO_output / PLLP) + * @param UTILS_PLLInitStruct pointer to a @ref LL_UTILS_PLLInitTypeDef structure that contains + * the configuration information for the PLL. + * @param UTILS_ClkInitStruct pointer to a @ref LL_UTILS_ClkInitTypeDef structure that contains + * the configuration information for the BUS prescalers. + * @retval An ErrorStatus enumeration value: + * - SUCCESS: Max frequency configuration done + * - ERROR: Max frequency configuration not done + */ +ErrorStatus LL_PLL_ConfigSystemClock_HSI(LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, + LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct) +{ + ErrorStatus status = SUCCESS; + uint32_t pllfreq = 0U; + + /* Check if one of the PLL is enabled */ + if(UTILS_PLL_IsBusy() == SUCCESS) + { + /* Calculate the new PLL output frequency */ + pllfreq = UTILS_GetPLLOutputFrequency(HSI_VALUE, UTILS_PLLInitStruct); + + /* Enable HSI if not enabled */ + if(LL_RCC_HSI_IsReady() != 1U) + { + LL_RCC_HSI_Enable(); + while (LL_RCC_HSI_IsReady() != 1U) + { + /* Wait for HSI ready */ + } + } + + /* Configure PLL */ + LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSI, UTILS_PLLInitStruct->PLLM, UTILS_PLLInitStruct->PLLN, + UTILS_PLLInitStruct->PLLP); + + /* Enable PLL and switch system clock to PLL */ + status = UTILS_EnablePLLAndSwitchSystem(pllfreq, UTILS_ClkInitStruct); + } + else + { + /* Current PLL configuration cannot be modified */ + status = ERROR; + } + + return status; +} + +/** + * @brief This function configures system clock with HSE as clock source of the PLL + * @note The application need to ensure that PLL is disabled. + * - PLL output frequency = (((HSI frequency / PLLM) * PLLN) / PLLP) + * - PLLM: ensure that the VCO input frequency ranges from @ref RCC_PLLVCO_INPUT_MIN to @ref RCC_PLLVCO_INPUT_MAX (PLLVCO_input = HSI frequency / PLLM) + * - PLLN: ensure that the VCO output frequency is between @ref RCC_PLLVCO_OUTPUT_MIN and @ref RCC_PLLVCO_OUTPUT_MAX (PLLVCO_output = PLLVCO_input * PLLN) + * - PLLP: ensure that max frequency at 180000000 Hz is reach (PLLVCO_output / PLLP) + * @param HSEFrequency Value between Min_Data = 4000000 and Max_Data = 26000000 + * @param HSEBypass This parameter can be one of the following values: + * @arg @ref LL_UTILS_HSEBYPASS_ON + * @arg @ref LL_UTILS_HSEBYPASS_OFF + * @param UTILS_PLLInitStruct pointer to a @ref LL_UTILS_PLLInitTypeDef structure that contains + * the configuration information for the PLL. + * @param UTILS_ClkInitStruct pointer to a @ref LL_UTILS_ClkInitTypeDef structure that contains + * the configuration information for the BUS prescalers. + * @retval An ErrorStatus enumeration value: + * - SUCCESS: Max frequency configuration done + * - ERROR: Max frequency configuration not done + */ +ErrorStatus LL_PLL_ConfigSystemClock_HSE(uint32_t HSEFrequency, uint32_t HSEBypass, + LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct) +{ + ErrorStatus status = SUCCESS; + uint32_t pllfreq = 0U; + + /* Check the parameters */ + assert_param(IS_LL_UTILS_HSE_FREQUENCY(HSEFrequency)); + assert_param(IS_LL_UTILS_HSE_BYPASS(HSEBypass)); + + /* Check if one of the PLL is enabled */ + if(UTILS_PLL_IsBusy() == SUCCESS) + { + /* Calculate the new PLL output frequency */ + pllfreq = UTILS_GetPLLOutputFrequency(HSEFrequency, UTILS_PLLInitStruct); + + /* Enable HSE if not enabled */ + if(LL_RCC_HSE_IsReady() != 1U) + { + /* Check if need to enable HSE bypass feature or not */ + if(HSEBypass == LL_UTILS_HSEBYPASS_ON) + { + LL_RCC_HSE_EnableBypass(); + } + else + { + LL_RCC_HSE_DisableBypass(); + } + + /* Enable HSE */ + LL_RCC_HSE_Enable(); + while (LL_RCC_HSE_IsReady() != 1U) + { + /* Wait for HSE ready */ + } + } + + /* Configure PLL */ + LL_RCC_PLL_ConfigDomain_SYS(LL_RCC_PLLSOURCE_HSE, UTILS_PLLInitStruct->PLLM, UTILS_PLLInitStruct->PLLN, + UTILS_PLLInitStruct->PLLP); + + /* Enable PLL and switch system clock to PLL */ + status = UTILS_EnablePLLAndSwitchSystem(pllfreq, UTILS_ClkInitStruct); + } + else + { + /* Current PLL configuration cannot be modified */ + status = ERROR; + } + + return status; +} + +/** + * @} + */ + +/** + * @} + */ + +/** @addtogroup UTILS_LL_Private_Functions + * @{ + */ +/** + * @brief Function to check that PLL can be modified + * @param PLL_InputFrequency PLL input frequency (in Hz) + * @param UTILS_PLLInitStruct pointer to a @ref LL_UTILS_PLLInitTypeDef structure that contains + * the configuration information for the PLL. + * @retval PLL output frequency (in Hz) + */ +static uint32_t UTILS_GetPLLOutputFrequency(uint32_t PLL_InputFrequency, LL_UTILS_PLLInitTypeDef *UTILS_PLLInitStruct) +{ + uint32_t pllfreq = 0U; + + /* Check the parameters */ + assert_param(IS_LL_UTILS_PLLM_VALUE(UTILS_PLLInitStruct->PLLM)); + assert_param(IS_LL_UTILS_PLLN_VALUE(UTILS_PLLInitStruct->PLLN)); + assert_param(IS_LL_UTILS_PLLP_VALUE(UTILS_PLLInitStruct->PLLP)); + + /* Check different PLL parameters according to RM */ + /* - PLLM: ensure that the VCO input frequency ranges from @ref UTILS_PLLVCO_INPUT_MIN to @ref UTILS_PLLVCO_INPUT_MAX MHz. */ + pllfreq = PLL_InputFrequency / (UTILS_PLLInitStruct->PLLM & (RCC_PLLCFGR_PLLM >> RCC_PLLCFGR_PLLM_Pos)); + assert_param(IS_LL_UTILS_PLLVCO_INPUT(pllfreq)); + + /* - PLLN: ensure that the VCO output frequency is between @ref UTILS_PLLVCO_OUTPUT_MIN and @ref UTILS_PLLVCO_OUTPUT_MAX .*/ + pllfreq = pllfreq * (UTILS_PLLInitStruct->PLLN & (RCC_PLLCFGR_PLLN >> RCC_PLLCFGR_PLLN_Pos)); + assert_param(IS_LL_UTILS_PLLVCO_OUTPUT(pllfreq)); + + /* - PLLP: ensure that max frequency at @ref RCC_MAX_FREQUENCY Hz is reached */ + pllfreq = pllfreq / (((UTILS_PLLInitStruct->PLLP >> RCC_PLLCFGR_PLLP_Pos) + 1) * 2); + assert_param(IS_LL_UTILS_PLL_FREQUENCY(pllfreq)); + + return pllfreq; +} + +/** + * @brief Function to check that PLL can be modified + * @retval An ErrorStatus enumeration value: + * - SUCCESS: PLL modification can be done + * - ERROR: PLL is busy + */ +static ErrorStatus UTILS_PLL_IsBusy(void) +{ + ErrorStatus status = SUCCESS; + + /* Check if PLL is busy*/ + if(LL_RCC_PLL_IsReady() != 0U) + { + /* PLL configuration cannot be modified */ + status = ERROR; + } + +#if defined(RCC_PLLSAI_SUPPORT) + /* Check if PLLSAI is busy*/ + if(LL_RCC_PLLSAI_IsReady() != 0U) + { + /* PLLSAI1 configuration cannot be modified */ + status = ERROR; + } +#endif /*RCC_PLLSAI_SUPPORT*/ +#if defined(RCC_PLLI2S_SUPPORT) + /* Check if PLLI2S is busy*/ + if(LL_RCC_PLLI2S_IsReady() != 0U) + { + /* PLLI2S configuration cannot be modified */ + status = ERROR; + } +#endif /*RCC_PLLI2S_SUPPORT*/ + return status; +} + +/** + * @brief Function to enable PLL and switch system clock to PLL + * @param SYSCLK_Frequency SYSCLK frequency + * @param UTILS_ClkInitStruct pointer to a @ref LL_UTILS_ClkInitTypeDef structure that contains + * the configuration information for the BUS prescalers. + * @retval An ErrorStatus enumeration value: + * - SUCCESS: No problem to switch system to PLL + * - ERROR: Problem to switch system to PLL + */ +static ErrorStatus UTILS_EnablePLLAndSwitchSystem(uint32_t SYSCLK_Frequency, LL_UTILS_ClkInitTypeDef *UTILS_ClkInitStruct) +{ + ErrorStatus status = SUCCESS; + uint32_t hclk_frequency = 0U; + + assert_param(IS_LL_UTILS_SYSCLK_DIV(UTILS_ClkInitStruct->AHBCLKDivider)); + assert_param(IS_LL_UTILS_APB1_DIV(UTILS_ClkInitStruct->APB1CLKDivider)); + assert_param(IS_LL_UTILS_APB2_DIV(UTILS_ClkInitStruct->APB2CLKDivider)); + + /* Calculate HCLK frequency */ + hclk_frequency = __LL_RCC_CALC_HCLK_FREQ(SYSCLK_Frequency, UTILS_ClkInitStruct->AHBCLKDivider); + + /* Increasing the number of wait states because of higher CPU frequency */ + if(SystemCoreClock < hclk_frequency) + { + /* Set FLASH latency to highest latency */ + status = LL_SetFlashLatency(hclk_frequency); + } + + /* Update system clock configuration */ + if(status == SUCCESS) + { + /* Enable PLL */ + LL_RCC_PLL_Enable(); + while (LL_RCC_PLL_IsReady() != 1U) + { + /* Wait for PLL ready */ + } + + /* Sysclk activation on the main PLL */ + LL_RCC_SetAHBPrescaler(UTILS_ClkInitStruct->AHBCLKDivider); + LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_PLL); + while (LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_PLL) + { + /* Wait for system clock switch to PLL */ + } + + /* Set APB1 & APB2 prescaler*/ + LL_RCC_SetAPB1Prescaler(UTILS_ClkInitStruct->APB1CLKDivider); + LL_RCC_SetAPB2Prescaler(UTILS_ClkInitStruct->APB2CLKDivider); + } + + /* Decreasing the number of wait states because of lower CPU frequency */ + if(SystemCoreClock > hclk_frequency) + { + /* Set FLASH latency to lowest latency */ + status = LL_SetFlashLatency(hclk_frequency); + } + + /* Update SystemCoreClock variable */ + if(status == SUCCESS) + { + LL_SetSystemCoreClock(hclk_frequency); + } + + return status; +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ diff --git a/cubemx/cubemx.ioc b/cubemx/cubemx.ioc index b6d139f..bd0f773 100644 --- a/cubemx/cubemx.ioc +++ b/cubemx/cubemx.ioc @@ -135,7 +135,7 @@ ProjectManager.ToolChainLocation= ProjectManager.UAScriptAfterPath= ProjectManager.UAScriptBeforePath= ProjectManager.UnderRoot=false -ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-false,3-MX_I2C1_Init-I2C1-false-HAL-false,4-MX_USART2_UART_Init-USART2-false-HAL-false +ProjectManager.functionlistsort=1-SystemClock_Config-RCC-false-HAL-false,2-MX_GPIO_Init-GPIO-false-HAL-false,3-MX_I2C1_Init-I2C1-false-LL-false,4-MX_USART2_UART_Init-USART2-false-HAL-false RCC.48MHZClocksFreq_Value=50000000 RCC.AHBFreq_Value=100000000 RCC.APB1CLKDivider=RCC_HCLK_DIV2