/*
* iso_tp.h - contains public api for iso-tp
*
* Copyright (c) 2018-2023 emotas embedded communication GmbH
*
*-------------------------------------------------------------------
* $Id: iso_tp.h 51963 2024-01-24 16:02:35Z boe $
*-------------------------------------------------------------------
*
*
*
*/

/**
* \brief api for iso-tp
*
* \file iso_tp.h - contains api for iso-tp stack
*
*/

#ifndef ISO_TP_H
#define ISO_TP_H 1

#include <co_datatype.h>


/* constants */

/* datatypes */

typedef enum {
	ISOTP_ADDRESS_UNKNOWN = 0u,
	ISOTP_ADDRESS_PHYS,
	ISOTP_ADDRESS_FUNC
} ISO_TP_ADDRESS_T;

typedef enum {
	ISOTP_FORMAT_NORMAL = 0u,	/**< normal adressing */
	ISOTP_FORMAT_NORMAL_FIXED,	/**< normal fixed addressing */
	ISOTP_FORMAT_EXTENDED,		/**< extended addressing */
	ISOTP_FORMAT_MIXED			/**< mixed addressing */
} ISO_TP_FORMAT_T;

typedef enum {
	ISOTP_DATAPTR_SERVER = 0u,
	ISOTP_DATAPTR_CLIENT
} ISO_TP_DATAPTR_T;

typedef enum {
	ISOTP_FRAME_TYPE_SF = 0u,	/**< isotp single frame */
	ISOTP_FRAME_TYPE_TP			/**< isotp transport protocol */
} ISO_TP_FRAME_TYPE_T;


/** \brief parameter for isotp receive function */
typedef struct {
	UNSIGNED8	addr;		/* source address */
	UNSIGNED8	*pData;		/* pointer to data */
	UNSIGNED16	dataSize;	/* valid data size */
} ISOTP_EVENT_RECEIVE_PARA_T;

/** \brief function pointer for isotp receive function
 *
 * \param addr - source address
 * \param pData - pointer to data
 * \param dataSize - valid data size
 *
 * \return RET_T
 *
 */
typedef RET_T (* ISOTP_EVENT_SERVER_T)(CO_LINE_DECL, UNSIGNED8 addr, UNSIGNED8 *pData, UNSIGNED16 dataSize);


/** \brief function pointer for isotp receive split function
 *
 * \param addr - source address
 * \param pData - pointer to data
 * \param dataSize - valid data size
 * \param tranferSize - size of the currently tranfered
 *
 * \return RET_T
 *
 */
typedef RET_T (* ISOTP_EVENT_SERVER_SPLIT_T)(CO_LINE_DECL, UNSIGNED8 addr, UNSIGNED8 *pData, UNSIGNED16 dataSize, UNSIGNED16 tranferSize);


 /** \brief function pointer for isotp transmit function
 *
 * \param addr - souce address
 * \param pData - pointer to data
 * \param result - result of the transfer
 *
 * \return RET_T
 *
 */
typedef RET_T (* ISOTP_EVENT_CLIENT_T)(CO_LINE_DECL, UNSIGNED8 addr, UNSIGNED8 *pData, RET_T result);


/** \brief function pointer for isotp transmit acknowledge function
 *
 * \param addr - souce address
 * \param pData - pointer to data
 * \param size - valid data bytes
 *
 * \return RET_T
 *
 */
typedef RET_T(*ISOTP_EVENT_CLIENT_TXACK_T)(CO_LINE_DECL, UNSIGNED8 addr, UNSIGNED8* pData, UNSIGNED16 size);


/** \brief function pointer for isotp mapping function
 *
 * \param pDst - destination address
 * \param srcOffset - source data offset
 * \param size - number of mapping bytes
 * \param pPara - additional parameter
 *
 * \return RET_T
 *
 */
typedef	void (* ISOTP_MAP_FCT)(void *pDst, UNSIGNED16 srcOffset, UNSIGNED16 size, void *pPara);


/* function prototypes */
EXTERN_DECL RET_T isoTpInit(const UNSIGNED16 *pClientCnt, const UNSIGNED16 *pServerCnt);
EXTERN_DECL RET_T isoTpInitChannel(CO_LINE_DECL,
		UNSIGNED32 reqId, UNSIGNED32 respId,
		UNSIGNED8 srcAddr, UNSIGNED8 destAdr,
		ISO_TP_ADDRESS_T addrType, ISO_TP_FORMAT_T formatType,
		UNSIGNED8 *pRecDataBuffer, UNSIGNED16 recBufSize);
EXTERN_DECL RET_T isoTpSetRecDataPtr(CO_LINE_DECL, ISO_TP_DATAPTR_T direction,
		UNSIGNED8 destAddr, UNSIGNED8 *pRecData, UNSIGNED16 size);

EXTERN_DECL RET_T isoTpSendReq(CO_LINE_DECL, UNSIGNED8 destAddr,
		UNSIGNED8 *pData, UNSIGNED16 dataLen, ISOTP_MAP_FCT pFct, void *pFctPara,
		UNSIGNED8 flags);
EXTERN_DECL void isoTpAbortTransfer(CO_LINE_DECL, UNSIGNED8 destAddr);

EXTERN_DECL RET_T isoTpSetIds(CO_LINE_DECL, UNSIGNED8 destAddr,
		UNSIGNED32 reqId, UNSIGNED32 respId);
EXTERN_DECL RET_T isoTpSetRemoteAddr(CO_LINE_DECL, UNSIGNED8 remoteAddr,
		UNSIGNED8 newLocalAddr, UNSIGNED8 newRemoteAddr);
EXTERN_DECL RET_T isoTpSetLocalAddr(CO_LINE_DECL, UNSIGNED8 localAddr,
		UNSIGNED8 newLocalAddr, UNSIGNED8 newRemoteAddr);

EXTERN_DECL RET_T isoTpEventRegister_SERVER(ISOTP_EVENT_SERVER_T pFunction);
EXTERN_DECL RET_T isoTpEventRegister_CLIENT(ISOTP_EVENT_CLIENT_T pFunction);

EXTERN_DECL RET_T isoTpEventRegister_SERVER_SPLIT(ISOTP_EVENT_SERVER_SPLIT_T pFunction);
EXTERN_DECL RET_T isoTpEventRegister_CLIENT_TXACK(ISOTP_EVENT_CLIENT_TXACK_T pFunction);

EXTERN_DECL ISO_TP_ADDRESS_T isoTpGetCurrectConType(CO_LINE_DECL);

EXTERN_DECL RET_T isoTpGetTxMaxPayloadSize(CO_LINE_DECL, UNSIGNED8 destAddr,
		ISO_TP_FRAME_TYPE_T frameType, UNSIGNED32	*pSize);

#endif /* ISO_TP_H */