First draft

doc/examples/OBC+TTC/shared/incp/asn1/asn1_wrapper.c

@@ -0,0 +1,11 @@
+#include "asn1_wrapper.h"
+
+err_t incp_decode_header(BitStream *in_bs, IncpMsg *msg)
+{
+	int asn1_err = 0;
+	
+	if (!IncpMsg_Decode(msg, in_bs, &asn1_err))
+		return ERR_ERROR; //TODO: Proper error setting based on asn1_err
+
+	return ERR_SUCCESS;
+}

doc/examples/OBC+TTC/shared/incp/asn1/asn1_wrapper.h

@@ -0,0 +1,23 @@
+// asn1_wrapper.h - Wraps all ASN.1 generated files to conform with the rest of the C interface (return type to err_t
+//					and alike).
+//					Should only be used inside INCP implementation.
+
+#pragma once
+
+#ifndef _INCP_INTERNAL
+#error "asn1_wrapper.h should not be imported outside the implementation of INCP"
+#endif
+
+#include "incp2.h"
+#include "messaging.h"
+#include "out/incp_static.h"
+
+typedef IncpMsg_selection incp_msgt_t;
+
+err_t incp_encode_header(BitStream *bs, IncpMsg *msg);
+err_t incp_decode_header(BitStream *bs, IncpMsg *msg);
+
+err_t incp_encode_datareq(BitStream *bs, U32 id);
+err_t incp_decode_datareq(BitStream *bs, U32 id);
+err_t incp_encode_dataret(BitStream *bs, AnyData *data);
+err_t incp_decode_dataret(BitStream *bs, AnyData *data);

doc/examples/OBC+TTC/shared/incp/asn1/incp_generated.asn

@@ -0,0 +1,19 @@
+INCP-Generated DEFINITIONS AUTOMATIC TAGS ::= BEGIN
+
+EXPORTS ALL;
+IMPORTS U32 FROM INCP-Types;
+
+TTC-TxTotal ::= SEQUENCE {
+	bytes U32
+}
+
+TTC-RxTotal ::= SEQUENCE {
+	bytes U32
+}
+
+AnyData ::= CHOICE {
+	ttcTxTotal TTC-TxTotal,
+	ttcRxTotal TTC-RxTotal
+}
+
+END

doc/examples/OBC+TTC/shared/incp/asn1/incp_static.asn

@@ -0,0 +1,51 @@
+INCP-Types DEFINITIONS AUTOMATIC TAGS ::= BEGIN
+
+EXPORTS ALL;
+
+U8 ::=    INTEGER(0..255)
+U16 ::=   INTEGER(0..65535)
+U24 ::=   INTEGER(8388608..16777215)
+U32 ::=   INTEGER(0..4294967295)
+U64 ::=   INTEGER(0..18446744073709551615)
+I8 ::=    INTEGER(-128..127)
+I16 ::=   INTEGER(-32768..32767)
+I24 ::=   INTEGER(-8388608..8388607)
+I32 ::=   INTEGER(-2147483648..2147483647)
+
+END
+
+INCP-Static DEFINITIONS AUTOMATIC TAGS ::= BEGIN
+
+IMPORTS U8, U16, U32 FROM INCP-Types
+		AnyData FROM INCP-Generated;
+
+PingMsg ::= SEQUENCE {
+	payload SEQUENCE (SIZE(32)) OF U8
+}
+
+DataReqMsg ::= SEQUENCE {
+	id U32 -- REVIEW: How to limit range to only accept IDs that are valid
+}
+
+DataRetMsg ::= SEQUENCE {
+	data AnyData
+}
+
+CommandReqMsg ::= SEQUENCE {
+	id U16
+}
+
+CommandRetMsg ::= SEQUENCE {
+	id U16
+}
+
+IncpMsg ::= CHOICE {
+	ping PingMsg,
+	pong PingMsg,
+	dataReq DataReqMsg,
+	dataRet DataRetMsg,
+	commandReq CommandReqMsg,
+	commandRet CommandRetMsg
+}
+
+END