#include "can.h"

#include "CommBuffers.h"
#include "SystemComm.h"

/**
 *  @addtogroup SystemComm
 *  @{
 */

// ********** private definitions **********

/*********************************************************************//**
 * @brief
 * The initSystemComm function initializes the SystemComm unit.
 * @details \b Inputs: none
 * @details \b Outputs: SystemComm unit variables initialized.
 * @return none
 *************************************************************************/
void initSystemComm( void )
{

}

/*********************************************************************//**
 * @brief
 * The handleCANMsgInterrupt function handles a CAN frame interrupt from
 * a given CAN mail box.
 * This may have occurred because a CAN frame transmission has completed
 * or because a CAN frame has been received. The appropriate handler is
 * called.
 * @details \b Inputs: none
 * @details \b Outputs: message interrupt handled
 * @param mailbox which CAN mail box triggered this interrupt
 * @return none
 *************************************************************************/
void handleCANMsgInterrupt( SW_UPDATE_CAN_MAIL_BOX_T mailBox )
{
    // TODO do we need check the range of the messages?
    // TODO retry?

    U08 data[ CAN_MESSAGE_PAYLOAD_SIZE ];

    if ( SW_UPDATE_COMMAD == mailBox )
    {
        if ( FALSE != canIsRxMessageArrived( canREG1, mailBox ) )
        {
            U32 result = canGetData( canREG1, mailBox, data );

            if ( result != 0 )
            {
                addToCommBuffer( mailBox, data, CAN_MESSAGE_PAYLOAD_SIZE );
            }
        }
    }
    else
    {
        if ( RECEIVE_MSG_ID[ BL_STACK_ID ] == mailBox )
        {
            if ( FALSE != canIsRxMessageArrived( canREG1, mailBox ) )
            {
                U32 result = canGetData( canREG1, mailBox, data );

                if ( result != 0 )
                {
                    addToCommBuffer( mailBox, data, CAN_MESSAGE_PAYLOAD_SIZE );
                }
            }
        }
    }
}

/*********************************************************************//**
 * @brief
 * The sendAckNackStatusFromFirmware function sends the ack or nack status
 * of a received message.
 * @details \b Inputs: none
 * @details \b Outputs: none
 * @param data pointer to the data to be sent
 * @return TRUE if the CAN transmit was successful otherwise, FALSE
 *************************************************************************/
BOOL sendAckNackStatusFromFirmware( U08* data )
{
    BOOL status = FALSE;

    if ( 0 != canTransmit( canREG1, (U32)SW_UPDATE_RESP, data ) )
    {
        status = TRUE;
    }

    return status;
}

BOOL broadcastDataTestRemove( U08* data ) // TODO remove
{
    canTransmit( canREG1, (U32)SW_TEST, data );

    return TRUE;
}

/**@}*/