MPC5xxxのトピックRe: can freertos MPC4748g

can freertos MPC4748g

Krishnaja — Wed, 28 Apr 2021 06:45:30 GMT

Hi,

When i added a "flexcan" component to free rtos, i noticed that configurations "PIT channel -------default " is not present. PF image below.

Whereas for project without freertos PF below image.

Can any one tell me what modifications should i do to tx/rx data on can as an freertos task? I have attached my project. PFA.

Thanks

Krishnaja.

Re: can freertos MPC4748g

PetrS — Thu, 29 Apr 2021 08:24:51 GMT

Hi,

please refer to flexcan_mpc5746c example which shows FlexCAN and FreeRTOS usage.

BR, Petr

Re: can freertos MPC4748g

Krishnaja — Mon, 10 May 2021 07:21:56 GMT

Hi @PetrS ,

I referred mpc5746c example. I had created mpc5748g project and just modified the code in the task alone.

I had checked the code using breakpoints, I found that it is not going inside the task.(Toggle pin is not happening).

static void prvTransmitTask( void *pvParameters ){

TickType_t xNextWakeTime;
/* Cast to void because parameter isn't used */
(void)pvParameters;
PINS_DRV_TogglePins(PTA,(1<<0));
// xNextWakeTime = xTaskGetTickCount();
for ( ;; )
{
uint8_t ledRequested;

ledRequested = LED1_CHANGE_REQUESTED;
SendCANData(TX_MAILBOX, TX_MSG_ID, &ledRequested, 1UL);

PINS_DRV_WritePin(PTA,7,1);
vTaskDelayUntil( &xNextWakeTime, mainTRANSMIT_FREQUENCY_MS );
}
}

Please tell me why it is not going into "prvTransmitTask".

PFA

Krishnaja.

Re: can freertos MPC4748g

Krishnaja — Fri, 14 May 2021 05:22:02 GMT

Hi @PetrS

Any updates??

Re: can freertos MPC4748g

PetrS — Fri, 14 May 2021 09:01:25 GMT

Hi,

try to have same preprocessor setting as it is in the demo example

BR, Petr

Re: can freertos MPC4748g

Krishnaja — Mon, 17 May 2021 06:06:58 GMT

I checked preprocessor setting. Still I have same problem.

Please tell me what I have missed.

Re: can freertos MPC4748g

PetrS — Mon, 17 May 2021 19:56:25 GMT

Hi,

please refer to example I posted at https://community.nxp.com/t5/MPC5xxx-Knowledge-Base/Example-MPC5748G-FlexCAN-TX-RX-FreeRTOS-S32DS2-1/ta-p/1277762

Hope it helps.

BR, Petr