Function FCan_SendByIrq

bsp/ft2004/libraries/bsp/ft_can/ft_can.c:184–251

}

u32 FCan_SendByIrq(FCan_t *Can_p,
                   struct FCan_Frame *Frame_p,
                   u32 FrameNumber, void (*UserIrqWait)(void))
{
    FCan_Config_t *Config_p;
    u32 FrameIndex = 0;
    u32 NeedSendOnce;
    u32 cnt = 0;
    Ft_assertZeroNum(Can_p != NULL);
    Ft_assertZeroNum(Can_p->IsReady == FT_COMPONENT_IS_READLY);
    Config_p = &Can_p->Config;

    if (NULL == Frame_p)
    {
        FT_CAN_DEBUG_E("Frame_p is NULL , %s: %d", __FILE__, __LINE__);
        return 0;
    }

    if (0 == FrameNumber)
    {
        FT_CAN_DEBUG_E("FrameNumber is 0 , %s: %d", __FILE__, __LINE__);
        return 0;
    }

    for (; 0 < FrameNumber;)
    {
        if (FrameNumber > Config_p->TxFifoDeepth)
        {
            NeedSendOnce = Config_p->TxFifoDeepth;
            FrameNumber -= Config_p->TxFifoDeepth;
        }
        else
        {
            NeedSendOnce = FrameNumber;
            FrameNumber = 0;
        }
        Ft_printf("shut down tranmission \r\n");
        /*shut down tranmission*/
        FCan_ClearBit(Config_p->CanBaseAddress, FCAN_CTRL_OFFSET, FCAN_CTRL_XFER_MASK);
        FCan_ClearBit(Config_p->CanBaseAddress, FCAN_CTRL_OFFSET, FCAN_CTRL_TXREQ_MASK);
        FCan_SetBit(Config_p->CanBaseAddress, FCAN_CTRL_OFFSET, FCAN_CTRL_XFER_MASK);
        Ft_printf("NeedSendOnce %d \r\n", NeedSendOnce);
        for (cnt = 0; cnt < NeedSendOnce; cnt++)
        {
            FCan_SendFifo(Can_p, &Frame_p[FrameIndex]);
            FrameIndex++;
        }
        Can_p->TxFifoCnt = NeedSendOnce;

        /* triggers tranmission */
        FCan_ClearBit(Config_p->CanBaseAddress, FCAN_CTRL_OFFSET, FCAN_CTRL_XFER_MASK);
        FCan_SetBit(Config_p->CanBaseAddress, FCAN_CTRL_OFFSET, FCAN_CTRL_TXREQ_MASK);
        FCan_SetBit(Config_p->CanBaseAddress, FCAN_CTRL_OFFSET, FCAN_CTRL_TXREQ_MASK | FCAN_CTRL_XFER_MASK);

        if (UserIrqWait)
        {
            UserIrqWait();
        }