bool  bSMBusRxCpltFlag  = RESET;
bool  bSMBusTxCpltFlag  = RESET;



HAL_StatusTypeDef xBatteryMessage( enum BATCMD ucCommand, SMBusCommunicationType_t xDirection, uint8_t *ucReceiveBuffer,
                                   uint8_t dataLength )
{
    bSMBusRxCpltFlag   = RESET;
    bSMBusTxCpltFlag   = RESET;
    uint16_t usTimeCon = 0;
    uint8_t  ucCalTemp[ 32 ] = { 0x16, 0x00, 0x17 };
    ucCalTemp[1] = ucCommand;

    if ( xDirection == read )
    {
        // Read Word Protocol with PEC
        // CALL SLAVE DEVICE
        HAL_SMBUS_Master_Transmit_IT( &hsmbus1, BATTERY_ADD, &ucCalTemp[ 1 ], 1, SMBUS_FIRST_FRAME );
        for ( usTimeCon = 0; bSMBusTxCpltFlag == RESET; usTimeCon++ )
        {
            if ( usTimeCon >= 0xFF00 ) return HAL_ERROR;
        }
        bSMBusTxCpltFlag = RESET;
        HAL_Delay(1);

        dataL = dataLength + 1;
        HAL_SMBUS_Master_Receive_IT( &hsmbus1, BATTERY_ADD, &ucCalTemp[ 3 ], dataLength + 1 , SMBUS_LAST_FRAME_NO_PEC );

         for ( usTimeCon = 0; bSMBusRxCpltFlag == RESET; usTimeCon++ )
        {
            if ( usTimeCon >= 0xFF00 ) return HAL_ERROR;
        }
        bSMBusRxCpltFlag = RESET;
        //HAL_Delay(5);    //IF I don't wait in here, the data I can not use immediately.

        if (xPecCheck( ucCalTemp, ucCalTemp[dataLength + 3], dataLength + 3 ) == HAL_OK)
        {
            for(uint8_t i = 0; i < dataLength ; i++)
            {
                ucReceiveBuffer[i] = ucCalTemp[dataLength+2-i];
            }
            return HAL_OK;
        }
        else
            return HAL_ERROR;
        
    }

    else if ( xDirection == write )
    {
        //todo: need to add more function about it.
    }
    return HAL_ERROR;
}

void HAL_SMBUS_MasterTxCpltCallback( SMBUS_HandleTypeDef *hsmbus ) 
{ 
    if(hsmbus == &hsmbus1)
    {
        bSMBusTxCpltFlag = SET;
    }
}

// Data dont't save into RAM, but the flag had been changed.
void HAL_SMBUS_MasterRxCpltCallback( SMBUS_HandleTypeDef *hsmbus ) 
{ 
    if(hsmbus == &hsmbus1)
    {
        bSMBusRxCpltFlag = SET;
    }
}