And some more food for thought if anyone has any ideas.
I have setup a small example using ADC1, I'm trying to calibrate it on the CM4 and use it on the CM4.
The code looks as follows:
int main(void)
{
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/* USER CODE BEGIN Boot_Mode_Sequence_1 */
/*HW semaphore Clock enable*/
__HAL_RCC_HSEM_CLK_ENABLE();
/* Activate HSEM notification for Cortex-M4*/
HAL_HSEM_ActivateNotification(__HAL_HSEM_SEMID_TO_MASK(HSEM_ID_0));
/*
Domain D2 goes to STOP mode (Cortex-M4 in deep-sleep) waiting for Cortex-M7 to
perform system initialization (system clock config, external memory configuration.. )
*/
HAL_PWREx_ClearPendingEvent();
HAL_PWREx_EnterSTOPMode(PWR_MAINREGULATOR_ON, PWR_STOPENTRY_WFE, PWR_D2_DOMAIN);
/* Clear HSEM flag */
__HAL_HSEM_CLEAR_FLAG(__HAL_HSEM_SEMID_TO_MASK(HSEM_ID_0));
/* USER CODE END Boot_Mode_Sequence_1 */
/* MCU Configuration--------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_I2C2_SMBUS_Init();
MX_SPI2_Init();
MX_SPI5_Init();
MX_TIM1_Init();
MX_TIM4_Init();
MX_TIM5_Init();
MX_TIM12_Init();
MX_TIM15_Init();
MX_ADC1_Init();
MX_ADC2_Init();
MX_ADC3_Init();
MX_DAC1_Init();
MX_TIM17_Init();
/* USER CODE BEGIN 2 */
configureTca6507();
if(HAL_ADCEx_Calibration_Start(&hadc2, ADC_CALIB_OFFSET, ADC_DIFFERENTIAL_ENDED) != HAL_OK) {
Error_Handler();
}
if(HAL_ADC_Start(&hadc2) != HAL_OK) {
Error_Handler();
}
if(HAL_ADC_PollForConversion(&hadc2, 1000) != HAL_OK) {
Error_Handler();
}
uint32_t measuredValue = 0;
measuredValue = HAL_ADC_GetValue(&hadc2);
while(measuredValue != 0x0000) {
HAL_GPIO_TogglePin(DigitalDebugLedOut02_GPIO_Port, DigitalDebugLedOut02_Pin);
HAL_Delay(500);
}This code works if I just set it to run without debugging, or if I'm debugging CM7. But if I'm connected to CM4 and I step through the first part (around line 7), I will get to the calibration part and that will fail, I have now had the calibration on the background in debug mode for a few minutes. And it is still running the calibration function.
It's like the clock is running real slow or something like that, when calibrating.
My debug registers look like this:
CM4:
I have now had the calibration running in the background for couple of more minutes, and it is still running, without hitting any timeouts or anything.
I tried pausing the run mode manually (breakpoints don't seem to work anymore in this mode) and it is stuck in this mode:
while (LL_ADC_IsCalibrationOnGoing(hadc->Instance) != 0UL)
{
wait_loop_index++;
if (wait_loop_index >= ADC_CALIBRATION_TIMEOUT)
{
/* Update ADC state machine to error */
ADC_STATE_CLR_SET(hadc->State,
HAL_ADC_STATE_BUSY_INTERNAL,
HAL_ADC_STATE_ERROR_INTERNAL);
/* Process unlocked */
__HAL_UNLOCK(hadc);
return HAL_ERROR;
}
}More specifically on line 1 of this. If I set a breakpoint here, it does not break when it hits the while-call, I have to manually stop and I'm on that line or inside the call in the while condition.
Any thoughts?
