S32k144 CAN0 intterupt

[edt102983]

Hi, I want to use a interrupt to do CAN_ReceiveBlocking when CAN bus receiving a message; in other words, i want to write CAN_ReceiveBlocking in interrupt handler.

I have tried initing following two and the recv_ISR is showing below:

INT_SYS_InstallHandler(CAN0_ORed_0_15_MB_IRQn, &recv_ISR, NULL);
INT_SYS_EnableIRQ(CAN0_ORed_0_15_MB_IRQn);

void recv_ISR(void)
{
uint8_t i;
uint32_t rx_id= 0x155;
int rtn;

can_message_t rx_message = {
.cs = 0U,
.id = rx_id,
.length = 8};

rtn=CAN_ReceiveBlocking(&can_pal0_instance, 1, &rx_message, TIMEOUT);

if (rtn==0){
printf("CAN0_RX success ID=0x%x Data=[",rx_message.id);
for(i=0; i<8; i++ ){
printf("0x%x ",rx_message.data[i]);
}
printf("]\n");
}

else printf("CAN0_RX error.rtn=%d\n=",rtn);

}

but it doesn't work, can give me some instruction?

[Robin_Shen]

Hiedt102983,

CAN_ReceiveBlocking receives a CAN frame using the specified buffer, in a blocking manner.

If you want to receive CAN frame by interrupt, please refer: S32K1xx SDK FlexCAN sample projects to demonstrate its basic and advanced features

Best Regards,
Robin
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