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[STM32F0] 使用新版HAL库CAN发送不了数据

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 楼主| RW506575086 发表于 2020-3-21 10:38 | 显示全部楼层 |阅读模式
CAN, rc, se, ni, code
main.c里面的代码如下：

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  1. /* USER CODE BEGIN Header */
    

  2. /**
    

  3.   ******************************************************************************
    

  4.   * [url=home.php?mod=space&uid=288409]@file[/url]           : main.c
    

  5.   * [url=home.php?mod=space&uid=247401]@brief[/url]          : Main program body
    

  6.   ******************************************************************************
    

  7.   * @attention
    

  8.   *
    

  9.   * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
    

  10.   * All rights reserved.</center></h2>
    

  11.   *
    

  12.   * This software component is licensed by ST under BSD 3-Clause license,
    

  13.   * the "License"; You may not use this file except in compliance with the
    

  14.   * License. You may obtain a copy of the License at:
    

  15.   *                        opensource.org/licenses/BSD-3-Clause
    

  16.   *
    

  17.   ******************************************************************************
    

  18.   */
    

  19. /* USER CODE END Header */
    


  20. 

  21. /* Includes ------------------------------------------------------------------*/
    

  22. #include "main.h"
    

  23. #include "can.h"
    

  24. #include "tim.h"
    

  25. #include "gpio.h"
    


  26. 

  27. /* Private includes ----------------------------------------------------------*/
    

  28. /* USER CODE BEGIN Includes */
    


  29. 

  30. /* USER CODE END Includes */
    


  31. 

  32. /* Private typedef -----------------------------------------------------------*/
    

  33. /* USER CODE BEGIN PTD */
    


  34. 

  35. /* USER CODE END PTD */
    


  36. 

  37. /* Private define ------------------------------------------------------------*/
    

  38. /* USER CODE BEGIN PD */
    

  39. /* USER CODE END PD */
    


  40. 

  41. /* Private macro -------------------------------------------------------------*/
    

  42. /* USER CODE BEGIN PM */
    


  43. 

  44. /* USER CODE END PM */
    


  45. 

  46. /* Private variables ---------------------------------------------------------*/
    


  47. 

  48. /* USER CODE BEGIN PV */
    

  49.                 extern uint8_t Tim2_100ms_Flag;
    

  50.                 extern uint8_t Tim2_10ms_Flag;
    

  51.                 CAN_TxHeaderTypeDef TxMessage;
    

  52.                 uint8_t pData[8] = {0,1,2,3,4,5,6,7};
    

  53.                 uint32_t              TxMailbox;
    

  54. /* USER CODE END PV */
    


  55. 

  56. /* Private function prototypes -----------------------------------------------*/
    

  57. void SystemClock_Config(void);
    

  58. /* USER CODE BEGIN PFP */
    


  59. 

  60. /* USER CODE END PFP */
    


  61. 

  62. /* Private user code ---------------------------------------------------------*/
    

  63. /* USER CODE BEGIN 0 */
    


  64. 

  65. /* USER CODE END 0 */
    


  66. 

  67. /**
    

  68.   * @brief  The application entry point.
    

  69.   * @retval int
    

  70.   */
    

  71. int main(void)
    

  72. {
    

  73.   /* USER CODE BEGIN 1 */
    


  74. 

  75.   /* USER CODE END 1 */
    

  76.   
    


  77. 

  78.   /* MCU Configuration--------------------------------------------------------*/
    


  79. 

  80.   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
    

  81.   HAL_Init();
    


  82. 

  83.   /* USER CODE BEGIN Init */
    


  84. 

  85.   /* USER CODE END Init */
    


  86. 

  87.   /* Configure the system clock */
    

  88.   SystemClock_Config();
    


  89. 

  90.   /* USER CODE BEGIN SysInit */
    


  91. 

  92.   /* USER CODE END SysInit */
    


  93. 

  94.   /* Initialize all configured peripherals */
    

  95.   MX_GPIO_Init();
    

  96.   MX_CAN_Init();
    

  97.   MX_TIM2_Init();
    

  98.   /* USER CODE BEGIN 2 */
    

  99.         HAL_TIM_Base_Start_IT(&htim2);
    

  100.         HAL_CAN_Start(&hcan);
    

  101.         HAL_CAN_ActivateNotification(&hcan, CAN_IT_RX_FIFO0_MSG_PENDING);
    


  102. 

  103.   /* USER CODE END 2 */
    


  104. 

  105.   /* Infinite loop */
    

  106.   /* USER CODE BEGIN WHILE */
    

  107.   while (1)
    

  108.   {
    

  109.     /* USER CODE END WHILE */
    


  110. 

  111.     /* USER CODE BEGIN 3 */
    

  112.                 if(Tim2_100ms_Flag == 1)
    

  113.                 {
    

  114.                         Tim2_100ms_Flag = 0;
    

  115.                         HAL_GPIO_TogglePin(LED_R_GPIO_Port, LED_R_Pin);
    

  116.                 }
    

  117.                 
    

  118.                 if(Tim2_100ms_Flag == 1)
    

  119.                 {
    

  120.                         Tim2_100ms_Flag = 0;
    

  121.                         TxMessage.DLC = 8;
    

  122.                         TxMessage.IDE = CAN_ID_EXT;
    

  123.                         TxMessage.RTR = CAN_RTR_DATA;
    

  124.                         TxMessage.StdId = 0X321;
    

  125.                         TxMessage.ExtId = 0x14015FA1;
    

  126.                         TxMessage.TransmitGlobalTime = DISABLE;
    

  127.                         HAL_CAN_AddTxMessage(&hcan,&TxMessage,pData,&TxMailbox);
    

  128.                 }
    

  129.   }
    

  130.   /* USER CODE END 3 */
    

  131. }
    


  132. 

  133. /**
    

  134.   * @brief System Clock Configuration
    

  135.   * @retval None
    

  136.   */
    

  137. void SystemClock_Config(void)
    

  138. {
    

  139.   RCC_OscInitTypeDef RCC_OscInitStruct = {0};
    

  140.   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
    


  141. 

  142.   /** Initializes the CPU, AHB and APB busses clocks 
    

  143.   */
    

  144.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
    

  145.   RCC_OscInitStruct.HSEState = RCC_HSE_ON;
    

  146.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
    

  147.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
    

  148.   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
    

  149.   RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;
    

  150.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
    

  151.   {
    

  152.     Error_Handler();
    

  153.   }
    

  154.   /** Initializes the CPU, AHB and APB busses clocks 
    

  155.   */
    

  156.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
    

  157.                               |RCC_CLOCKTYPE_PCLK1;
    

  158.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
    

  159.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
    

  160.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
    


  161. 

  162.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
    

  163.   {
    

  164.     Error_Handler();
    

  165.   }
    

  166. }
    


  167. 

  168. /* USER CODE BEGIN 4 */
    


  169. 

  170. /* USER CODE END 4 */
    


  171. 

  172. /**
    

  173.   * @brief  This function is executed in case of error occurrence.
    

  174.   * @retval None
    

  175.   */
    

  176. void Error_Handler(void)
    

  177. {
    

  178.   /* USER CODE BEGIN Error_Handler_Debug */
    

  179.   /* User can add his own implementation to report the HAL error return state */
    


  180. 

  181.   /* USER CODE END Error_Handler_Debug */
    

  182. }
    


  183. 

  184. #ifdef  USE_FULL_ASSERT
    

  185. /**
    

  186.   * @brief  Reports the name of the source file and the source line number
    

  187.   *         where the assert_param error has occurred.
    

  188.   * @param  file: pointer to the source file name
    

  189.   * @param  line: assert_param error line source number
    

  190.   * @retval None
    

  191.   */
    

  192. void assert_failed(char *file, uint32_t line)
    

  193. { 
    

  194.   /* USER CODE BEGIN 6 */
    

  195.   /* User can add his own implementation to report the file name and line number,
    

  196.      tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
    

  197.   /* USER CODE END 6 */
    

  198. }
    

  199. #endif /* USE_FULL_ASSERT */
    


  200. 

  201. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/




CAN.C里面的代码如下：

复制
  1. /**
    

  2.   ******************************************************************************
    

  3.   * File Name          : CAN.c
    

  4.   * Description        : This file provides code for the configuration
    

  5.   *                      of the CAN instances.
    

  6.   ******************************************************************************
    

  7.   * @attention
    

  8.   *
    

  9.   * <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
    

  10.   * All rights reserved.</center></h2>
    

  11.   *
    

  12.   * This software component is licensed by ST under BSD 3-Clause license,
    

  13.   * the "License"; You may not use this file except in compliance with the
    

  14.   * License. You may obtain a copy of the License at:
    

  15.   *                        opensource.org/licenses/BSD-3-Clause
    

  16.   *
    

  17.   ******************************************************************************
    

  18.   */
    


  19. 

  20. /* Includes ------------------------------------------------------------------*/
    

  21. #include "can.h"
    


  22. 

  23. /* USER CODE BEGIN 0 */
    


  24. 

  25. /* USER CODE END 0 */
    


  26. 

  27. CAN_HandleTypeDef hcan;
    


  28. 

  29. /* CAN init function */
    

  30. void MX_CAN_Init(void)
    

  31. {
    


  32. 

  33.   hcan.Instance = CAN;
    

  34.   hcan.Init.Prescaler = 3;
    

  35.   hcan.Init.Mode = CAN_MODE_NORMAL;
    

  36.   hcan.Init.SyncJumpWidth = CAN_SJW_1TQ;
    

  37.   hcan.Init.TimeSeg1 = CAN_BS1_8TQ;
    

  38.   hcan.Init.TimeSeg2 = CAN_BS2_7TQ;
    

  39.   hcan.Init.TimeTriggeredMode = DISABLE;
    

  40.   hcan.Init.AutoBusOff = DISABLE;
    

  41.   hcan.Init.AutoWakeUp = DISABLE;
    

  42.   hcan.Init.AutoRetransmission = ENABLE;
    

  43.   hcan.Init.ReceiveFifoLocked = DISABLE;
    

  44.   hcan.Init.TransmitFifoPriority = DISABLE;
    

  45.   if (HAL_CAN_Init(&hcan) != HAL_OK)
    

  46.   {
    

  47.     Error_Handler();
    

  48.   }
    


  49. 

  50. }
    


  51. 

  52. void HAL_CAN_MspInit(CAN_HandleTypeDef* canHandle)
    

  53. {
    


  54. 

  55.   GPIO_InitTypeDef GPIO_InitStruct = {0};
    

  56.   if(canHandle->Instance==CAN)
    

  57.   {
    

  58.   /* USER CODE BEGIN CAN_MspInit 0 */
    


  59. 

  60.   /* USER CODE END CAN_MspInit 0 */
    

  61.     /* CAN clock enable */
    

  62.     __HAL_RCC_CAN1_CLK_ENABLE();
    

  63.   
    

  64.     __HAL_RCC_GPIOA_CLK_ENABLE();
    

  65.     /**CAN GPIO Configuration    
    

  66.     PA11     ------> CAN_RX
    

  67.     PA12     ------> CAN_TX 
    

  68.     */
    

  69.     GPIO_InitStruct.Pin = GPIO_PIN_11|GPIO_PIN_12;
    

  70.     GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    

  71.     GPIO_InitStruct.Pull = GPIO_NOPULL;
    

  72.     GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    

  73.     GPIO_InitStruct.Alternate = GPIO_AF4_CAN;
    

  74.     HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
    


  75. 

  76.     /* CAN interrupt Init */
    

  77.     HAL_NVIC_SetPriority(CEC_CAN_IRQn, 0, 0);
    

  78.     HAL_NVIC_EnableIRQ(CEC_CAN_IRQn);
    

  79.   /* USER CODE BEGIN CAN_MspInit 1 */
    


  80. 

  81.   /* USER CODE END CAN_MspInit 1 */
    

  82.   }
    

  83. }
    


  84. 

  85. void HAL_CAN_MspDeInit(CAN_HandleTypeDef* canHandle)
    

  86. {
    


  87. 

  88.   if(canHandle->Instance==CAN)
    

  89.   {
    

  90.   /* USER CODE BEGIN CAN_MspDeInit 0 */
    


  91. 

  92.   /* USER CODE END CAN_MspDeInit 0 */
    

  93.     /* Peripheral clock disable */
    

  94.     __HAL_RCC_CAN1_CLK_DISABLE();
    

  95.   
    

  96.     /**CAN GPIO Configuration    
    

  97.     PA11     ------> CAN_RX
    

  98.     PA12     ------> CAN_TX 
    

  99.     */
    

  100.     HAL_GPIO_DeInit(GPIOA, GPIO_PIN_11|GPIO_PIN_12);
    


  101. 

  102.     /* CAN interrupt Deinit */
    

  103.     HAL_NVIC_DisableIRQ(CEC_CAN_IRQn);
    

  104.   /* USER CODE BEGIN CAN_MspDeInit 1 */
    


  105. 

  106.   /* USER CODE END CAN_MspDeInit 1 */
    

  107.   }
    

  108. } 
    


  109. 

  110. /* USER CODE BEGIN 1 */
    


  111. 


  112. 

  113. /* USER CODE END 1 */
    


  114. 

  115. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/




代码编译没问题，LED正常100ms闪烁，使用CAN盒了，波特率500K，有大神帮看看哪里有问题，无法发送吗？
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 楼主| RW506575086 发表于 2020-3-21 11:34 | 显示全部楼层
有人可以指导一下的吗？已经卡住很久了
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橙子0_0 发表于 2020-11-18 19:22 | 显示全部楼层
你好，问下怎么解决的，最近也遇到了同样的问题
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