Sending CAN message in loop but still can see the message only once

RishikeshB — Tue, 06 Sep 2022 05:42:18 GMT

Hello NXP,

I am trying to send CAN message in loop but in response i am receiving it only one time PFA of my code and the screenshot, and please check ad let me know

Re: Sending CAN message in loop but still can see the message only once

PetrS — Tue, 06 Sep 2022 08:05:50 GMT

Hi,

as per your code you sent a 0x74F message and waiting till 0x74E message is received, then message is send again and all is repeated. So did you sent above message from CAN tool?
You can use "if" statement instead of "while" to do not wait on that.

flexcan_msgbuff_t recvBuff; FLEXCAN_DRV_Send(INST_CANCOM1,TX_MAILBOX,&buff_RxTx_Cfg,(uint32_t)TX_PHY_ID,msg_data); /* Start receiving data in RX_MAILBOX. */ FLEXCAN_DRV_Receive(INST_CANCOM1, RX_MAILBOX, &recvBuff); while(1) { /* if the previous FlexCAN receive is completed */ if(FLEXCAN_DRV_GetTransferStatus(INST_CANCOM1, RX_MAILBOX) != STATUS_BUSY); { // process incomming data and enable receive again FLEXCAN_DRV_Receive(INST_CANCOM1, RX_MAILBOX, &recvBuff); /* Toggle output value LED0 & LED1 */ PINS_DRV_TogglePins(GPIO_PORT, ((1 << LED1) | (1 << LED2))); } if(FLEXCAN_DRV_GetTransferStatus(INST_CANCOM1, TX_MAILBOX) != STATUS_BUSY); { FLEXCAN_DRV_Send(INST_CANCOM1,TX_MAILBOX,&buff_RxTx_Cfg,(uint32_t)TX_PHY_ID,msg_data); } }

BR, Petr

topic Re: Sending CAN message in loop but still can see the message only once in S32K

Sending CAN message in loop but still can see the message only once

Re: Sending CAN message in loop but still can see the message only once