/**************************************************************************
 *
 *  Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
 *
 *  THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
 *  WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
 *
 *  @file SystemComm.h
 *
 *  @date 08-Oct-2019
 *  @author S. Nash
 *
 *  @brief header file for System Communication service .
 *
 **************************************************************************/

#ifndef __SYSTEM_COMM_H__
#define __SYSTEM_COMM_H__

#include "DGCommon.h"
#include "CommBuffers.h"
#include "MsgQueues.h"

// ********** public definitions **********

#define MESSAGE_SYNC_BYTE           0xA5

#define CAN_MESSAGE_PAYLOAD_SIZE    8
#ifdef DEBUG_ENABLED
    #define PC_MESSAGE_PACKET_SIZE  8
#endif

#define MSG_ID_ACK                  0xFFFF
#define MSG_ACK_BIT                 0x8000
#define MAX_MSG_SEQ_NO              0x7FFF
#define MIN_MSG_SEQ_NO              0x0001
#define MAX_ACK_MSG_SIZE            ( sizeof( MESSAGE_WRAPPER_T ) + 1 + CAN_MESSAGE_PAYLOAD_SIZE )  // must hold full (wrapped) message + sync + any CAN padding

typedef COMM_BUFFER_T   CAN_MESSAGE_BOX_T;       // the first 12 comm buffers align with the 12 active CAN message boxes

// ********** public function prototypes **********

void initSystemComm( void );
void execSystemCommRx( void );
void execSystemCommTx( void );
void handleCANMsgInterrupt( CAN_MESSAGE_BOX_T srcCANBox );
#ifdef DEBUG_ENABLED
    void handleUARTMsgRecvPacketInterrupt( void );
    void handleUARTMsgXmitPacketInterrupt( void );
#endif
BOOL isHDCommunicating( void );
BOOL addMsgToPendingACKList( MESSAGE_T *msg, COMM_BUFFER_T channel, U08 *msgData, U32 len );

#endif