STM32F303 Nucleo CAN HAL_TIMEOUT Error
Hello,
I'm trying to set up CAN on my STM32F303 nucleoy board to send a CAN message but I keep getting HAL_TIMEOUT error from the HAL_CAN_Transmit() function. Here's my code:
/**
****************************************************************************** *//* Includes ------------------------------------------------------------------*/
#include 'main.h'#include 'stm32f3xx_hal.h'CAN_HandleTypeDef hcan;void SystemClock_Config(void);static void MX_GPIO_Init(void);static void MX_CAN_Init(void);int main(void)
{/* MCU Configuration----------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();/* Configure the system clock */
SystemClock_Config();/* Initialize all configured peripherals */
MX_GPIO_Init(); MX_CAN_Init();/* Infinite loop */
HAL_StatusTypeDef status; while (1) { hcan.pTxMsg->Data[0] = 1; hcan.pTxMsg->Data[1] = 2; status = HAL_CAN_Transmit(&hcan, 10); HAL_GPIO_WritePin(GPIOA, GPIO_PIN_1, GPIO_PIN_RESET); }}
/** System Clock Configuration
*/void SystemClock_Config(void){RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_ClkInitTypeDef RCC_ClkInitStruct;/**Initializes the CPU, AHB and APB busses clocks
*/ RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI; RCC_OscInitStruct.HSIState = RCC_HSI_ON; RCC_OscInitStruct.HSICalibrationValue = 16; RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI; RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL8; if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { _Error_Handler(__FILE__, __LINE__); }/**Initializes the CPU, AHB and APB busses clocks
*/ RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2; RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV2; RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
{ _Error_Handler(__FILE__, __LINE__); }/**Configure the Systick interrupt time
*/ HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);/**Configure the Systick
*/ HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);/* SysTick_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);}/* CAN init function */
static void MX_CAN_Init(void){ CAN_FilterConfTypeDef sFilterConfig; static CanTxMsgTypeDef TxMessage; static CanRxMsgTypeDef RxMessage;hcan.pTxMsg = &TxMessage;
hcan.pRxMsg = &RxMessage;hcan.Instance = CAN;
hcan.Init.Prescaler = 8; hcan.Init.Mode = CAN_MODE_NORMAL; hcan.Init.SJW = CAN_SJW_1TQ; hcan.Init.BS1 = CAN_BS1_1TQ; hcan.Init.BS2 = CAN_BS2_2TQ; hcan.Init.TTCM = DISABLE; hcan.Init.ABOM = DISABLE; hcan.Init.AWUM = DISABLE; hcan.Init.NART = DISABLE; hcan.Init.RFLM = DISABLE; hcan.Init.TXFP = DISABLE; if (HAL_CAN_Init(&hcan) != HAL_OK) { _Error_Handler(__FILE__, __LINE__); } /*##-2- Configure the CAN Filter ###########################################*/ sFilterConfig.FilterNumber = 0; sFilterConfig.FilterMode = CAN_FILTERMODE_IDMASK; sFilterConfig.FilterScale = CAN_FILTERSCALE_32BIT; sFilterConfig.FilterIdHigh = 0x0000; sFilterConfig.FilterIdLow = 0x0000; sFilterConfig.FilterMaskIdHigh = 0x0000; sFilterConfig.FilterMaskIdLow = 0x0000; sFilterConfig.FilterFIFOAssignment = 0; sFilterConfig.FilterActivation = ENABLE; sFilterConfig.BankNumber = 14;if (HAL_CAN_ConfigFilter(&hcan, &sFilterConfig) != HAL_OK)
{ /* Filter configuration Error */ Error_Handler(); }/*##-3- Configure Transmission process #####################################*/
hcan.pTxMsg->StdId = 0x3; hcan.pTxMsg->ExtId = 0x01; hcan.pTxMsg->RTR = CAN_RTR_DATA; hcan.pTxMsg->IDE = CAN_ID_STD; hcan.pTxMsg->DLC = 2;}/** Configure pins as
* Analog * Input * Output * EVENT_OUT * EXTI*/static void MX_GPIO_Init(void){GPIO_InitTypeDef GPIO_InitStruct;
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOA_CLK_ENABLE();/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_1|GPIO_PIN_2, GPIO_PIN_RESET);/*Configure GPIO pins : PA1 PA2 */
GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_2; GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);}
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */
/**
* @brief This function is executed in case of error occurrence. * @param None * @retval None */void _Error_Handler(char * file, int line){ /* USER CODE BEGIN Error_Handler_Debug */ /* User can add his own implementation to report the HAL error return state */ while(1) { } /* USER CODE END Error_Handler_Debug */ }#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number * where the assert_param error has occurred. * @param file: pointer to the source file name * @param line: assert_param error line source number * @retval None */void assert_failed(uint8_t* file, uint32_t line){ /* USER CODE BEGIN 6 */ /* User can add his own implementation to report the file name and line number, ex: printf('Wrong parameters value: file %s on line %d\r\n', file, line) */ /* USER CODE END 6 */}
#endif
Any help is appreciated!
Thank you
