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STM32G0B1 can Error_Handler 解决方法

article 2025/1/4 15:15:18

问题现象

MCU上电，发送0x13帧数据固定进入

Error_Handler

硬件介绍

MCU :STM32G0B1

can:NSI1042

tx 接TX

RX 接RX

折腾了一下午，无解，问题依旧；

对比测试

STM32G431

手头有块G431 官方评估版+CAN 模块；

同样的代码

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
FDCAN_TxHeaderTypeDef TxHeader;
uint8_t TxData[8] = {0};
/* USER CODE END 0 */

  /* USER CODE BEGIN 2 */
	if (HAL_FDCAN_Start(&hfdcan1) != HAL_OK)
	{
		Error_Handler();
	}
  /* USER CODE END 2 */

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    TxHeader.Identifier = 0x0fffffff;
    TxHeader.IdType = FDCAN_EXTENDED_ID;
    TxHeader.TxFrameType = FDCAN_DATA_FRAME;
    TxHeader.DataLength = FDCAN_DLC_BYTES_8;
    TxHeader.ErrorStateIndicator = FDCAN_ESI_ACTIVE;
    TxHeader.BitRateSwitch = FDCAN_BRS_OFF;
    TxHeader.FDFormat = FDCAN_CLASSIC_CAN;
    TxHeader.TxEventFifoControl = FDCAN_NO_TX_EVENTS;
    TxHeader.MessageMarker = 0;

    ++TxData[7];

    if(HAL_FDCAN_AddMessageToTxFifoQ(&hfdcan1, &TxHeader, TxData) != HAL_OK)
    {
      Error_Handler();
    }
    HAL_Delay(1000); 
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
  }