static void HandleBusoffFastSlowRecovery(void)
{
    static UInt8 u8McanBusOffCounter               = INITIAL_ZERO;
    static UInt8 u8TxMsgNum                        = INITIAL_ZERO;
    static UInt8 u8BusoffToRecoveryFlg             = INITIAL_ZERO;
    static UInt16 u16McanBusOffRecoveryTime        = INITIAL_ZERO;
    static UInt16 u16McanBusOffEventStartTime      = INITIAL_ZERO;
    static UInt8 u8McanBusOffStatus                = INITIAL_ZERO;
    uint32 u32Temp = 0UL;

    if(TRUE == u8BusOffTimer1msFlg)
    {
#if 0
        u8McanBusOffStatus = ((*(uint32 *)(MCANA_DRIVER_BASE + MCAN_PSR) & 0x80u) >> 7u);

        u32Temp = ((*(uint32 *)(MCANA_DRIVER_BASE + MCAN_PSR) & 0x80u) >> 7u);
        u8McanBusOffStatus = (Uint8)u32Temp;
#else
        u32Temp = (*(uint32 *)(MCANA_DRIVER_BASE + MCAN_PSR) & MCAN_PSR_BO_MASK) & 0xFFU;
        u8McanBusOffStatus = (Uint8)u32Temp;
#endif

        if(u8McanBusOffStatus == 0x80u)
        {
            u8BusoffControlMsgFlg = 1u;

        	/*cancel message transmit request in busoff*/
            if(0u != MCAN_getTxBufReqPend(MCANA_DRIVER_BASE))
            {
                for(u8TxMsgNum = 0u; u8TxMsgNum < (NUM_OF_MSG - 1U); u8TxMsgNum++)
                {
                    MCAN_txBufCancellationReq(MCANA_DRIVER_BASE,u8TxMsgNum);
                }
            }

            u16McanBusOffEventStartTime++;

            if(u8McanBusOffCounter >= BUS_OFF_FAST_RECOVERY_COUNTER)
            {
                u16McanBusOffRecoveryTime = BUS_OFF_SLOW_RECOVERY_TIME;	/*busoff slow recovery delay time*/
            }
            else
            {
                u16McanBusOffRecoveryTime = BUS_OFF_FAST_RECOVERY_TIME;	/*busoff fast recovery delay time*/
            }

            if(u16McanBusOffEventStartTime > u16McanBusOffRecoveryTime) /*busoff fast recovery attempt counter*/
            {
                u16McanBusOffEventStartTime = 0u;

                /*Once CCCR.INIT has been cleared by the CPU,the device will then wait for 129 occurrences of Bus Idle (129 *
                  11 consecutive recessive bits) before resuming normal operation*/ /*129 * 11 * 1 / 500k = 2.8ms*/
                MCANConfiguration();

                u8BusoffToRecoveryFlg = 1u;

                if(u8McanBusOffCounter < BUS_OFF_COUNTER_LIMIT)
                {
                    u8McanBusOffCounter++;
                }
            }
        }
        else
        {
            /* Each Tx Buffer has its own Transmission Occurred bit. The bits are set when the corresponding TXBRP bit is cleared after a successful transmission.
               The bits are reset when a new transmission is requested by writing a '1' to the corresponding bit of register TXBAR. */

            if(MCAN_getTxBufTransmissionStatus(MCANA_DRIVER_BASE) != 0U)
            {
                u8McanBusOffCounter = 0u;
                u16McanBusOffEventStartTime = 0u;
            }
        }

        u8BusOffTimer1msFlg = FALSE;
    }

    if((1u == u8BusoffToRecoveryFlg) && (0u == u8McanBusOffStatus))
    {
        u8BusoffControlMsgFlg = 0u;

        /*Enable first frame send immediately - 20250620 LiuGaoSong*/
        u8FirstMsgSendFlg = TRUE;

        u8BusoffToRecoveryFlg = 0u;
    }

}