stm32f4xx_it.c 7.7 KB

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  1. /* USER CODE BEGIN Header */
  2. /**
  3. ******************************************************************************
  4. * @file stm32f4xx_it.c
  5. * @brief Interrupt Service Routines.
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * Copyright (c) 2025 STMicroelectronics.
  10. * All rights reserved.
  11. *
  12. * This software is licensed under terms that can be found in the LICENSE file
  13. * in the root directory of this software component.
  14. * If no LICENSE file comes with this software, it is provided AS-IS.
  15. *
  16. ******************************************************************************
  17. */
  18. /* USER CODE END Header */
  19. /* Includes ------------------------------------------------------------------*/
  20. #include "main.h"
  21. #include "stm32f4xx_it.h"
  22. /* Private includes ----------------------------------------------------------*/
  23. /* USER CODE BEGIN Includes */
  24. /* USER CODE END Includes */
  25. /* Private typedef -----------------------------------------------------------*/
  26. /* USER CODE BEGIN TD */
  27. #include "usart.h"
  28. /* USER CODE END TD */
  29. /* Private define ------------------------------------------------------------*/
  30. /* USER CODE BEGIN PD */
  31. /* USER CODE END PD */
  32. /* Private macro -------------------------------------------------------------*/
  33. /* USER CODE BEGIN PM */
  34. /* USER CODE END PM */
  35. /* Private variables ---------------------------------------------------------*/
  36. /* USER CODE BEGIN PV */
  37. /* USER CODE END PV */
  38. /* Private function prototypes -----------------------------------------------*/
  39. /* USER CODE BEGIN PFP */
  40. /* USER CODE END PFP */
  41. /* Private user code ---------------------------------------------------------*/
  42. /* USER CODE BEGIN 0 */
  43. /* USER CODE END 0 */
  44. /* External variables --------------------------------------------------------*/
  45. extern CAN_HandleTypeDef hcan1;
  46. extern CAN_HandleTypeDef hcan2;
  47. extern DMA_HandleTypeDef hdma_usart1_rx;
  48. extern DMA_HandleTypeDef hdma_usart3_rx;
  49. extern UART_HandleTypeDef huart1;
  50. extern UART_HandleTypeDef huart3;
  51. extern TIM_HandleTypeDef htim6;
  52. /* USER CODE BEGIN EV */
  53. /* USER CODE END EV */
  54. /******************************************************************************/
  55. /* Cortex-M4 Processor Interruption and Exception Handlers */
  56. /******************************************************************************/
  57. /**
  58. * @brief This function handles Non maskable interrupt.
  59. */
  60. void NMI_Handler(void)
  61. {
  62. /* USER CODE BEGIN NonMaskableInt_IRQn 0 */
  63. /* USER CODE END NonMaskableInt_IRQn 0 */
  64. /* USER CODE BEGIN NonMaskableInt_IRQn 1 */
  65. while (1)
  66. {
  67. }
  68. /* USER CODE END NonMaskableInt_IRQn 1 */
  69. }
  70. /**
  71. * @brief This function handles Hard fault interrupt.
  72. */
  73. void HardFault_Handler(void)
  74. {
  75. /* USER CODE BEGIN HardFault_IRQn 0 */
  76. /* USER CODE END HardFault_IRQn 0 */
  77. while (1)
  78. {
  79. /* USER CODE BEGIN W1_HardFault_IRQn 0 */
  80. /* USER CODE END W1_HardFault_IRQn 0 */
  81. }
  82. }
  83. /**
  84. * @brief This function handles Memory management fault.
  85. */
  86. void MemManage_Handler(void)
  87. {
  88. /* USER CODE BEGIN MemoryManagement_IRQn 0 */
  89. /* USER CODE END MemoryManagement_IRQn 0 */
  90. while (1)
  91. {
  92. /* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
  93. /* USER CODE END W1_MemoryManagement_IRQn 0 */
  94. }
  95. }
  96. /**
  97. * @brief This function handles Pre-fetch fault, memory access fault.
  98. */
  99. void BusFault_Handler(void)
  100. {
  101. /* USER CODE BEGIN BusFault_IRQn 0 */
  102. /* USER CODE END BusFault_IRQn 0 */
  103. while (1)
  104. {
  105. /* USER CODE BEGIN W1_BusFault_IRQn 0 */
  106. /* USER CODE END W1_BusFault_IRQn 0 */
  107. }
  108. }
  109. /**
  110. * @brief This function handles Undefined instruction or illegal state.
  111. */
  112. void UsageFault_Handler(void)
  113. {
  114. /* USER CODE BEGIN UsageFault_IRQn 0 */
  115. /* USER CODE END UsageFault_IRQn 0 */
  116. while (1)
  117. {
  118. /* USER CODE BEGIN W1_UsageFault_IRQn 0 */
  119. /* USER CODE END W1_UsageFault_IRQn 0 */
  120. }
  121. }
  122. /**
  123. * @brief This function handles Debug monitor.
  124. */
  125. void DebugMon_Handler(void)
  126. {
  127. /* USER CODE BEGIN DebugMonitor_IRQn 0 */
  128. /* USER CODE END DebugMonitor_IRQn 0 */
  129. /* USER CODE BEGIN DebugMonitor_IRQn 1 */
  130. /* USER CODE END DebugMonitor_IRQn 1 */
  131. }
  132. /******************************************************************************/
  133. /* STM32F4xx Peripheral Interrupt Handlers */
  134. /* Add here the Interrupt Handlers for the used peripherals. */
  135. /* For the available peripheral interrupt handler names, */
  136. /* please refer to the startup file (startup_stm32f4xx.s). */
  137. /******************************************************************************/
  138. /**
  139. * @brief This function handles DMA1 stream1 global interrupt.
  140. */
  141. void DMA1_Stream1_IRQHandler(void)
  142. {
  143. /* USER CODE BEGIN DMA1_Stream1_IRQn 0 */
  144. /* USER CODE END DMA1_Stream1_IRQn 0 */
  145. HAL_DMA_IRQHandler(&hdma_usart3_rx);
  146. /* USER CODE BEGIN DMA1_Stream1_IRQn 1 */
  147. /* USER CODE END DMA1_Stream1_IRQn 1 */
  148. }
  149. /**
  150. * @brief This function handles CAN1 RX0 interrupts.
  151. */
  152. void CAN1_RX0_IRQHandler(void)
  153. {
  154. /* USER CODE BEGIN CAN1_RX0_IRQn 0 */
  155. /* USER CODE END CAN1_RX0_IRQn 0 */
  156. HAL_CAN_IRQHandler(&hcan1);
  157. /* USER CODE BEGIN CAN1_RX0_IRQn 1 */
  158. /* USER CODE END CAN1_RX0_IRQn 1 */
  159. }
  160. /**
  161. * @brief This function handles USART1 global interrupt.
  162. */
  163. void USART1_IRQHandler(void)
  164. {
  165. /* USER CODE BEGIN USART1_IRQn 0 */
  166. uint8_t tmp_flag = 0;
  167. uint16_t temp;
  168. tmp_flag =__HAL_UART_GET_FLAG(&huart1,UART_FLAG_IDLE); //获取IDLE标志位
  169. if((tmp_flag != RESET))
  170. {
  171. __HAL_UART_CLEAR_IDLEFLAG(&huart1);
  172. // temp = huart4.Instance->SR;
  173. // temp = huart4.Instance->DR;
  174. HAL_UART_DMAStop(&huart1);
  175. temp = hdma_usart1_rx.Instance->NDTR;//CNDTR;//获取此时DMA中未传输的数据个数
  176. Rxbuffer[Usart_1].rx_len = BUFFER_SIZE - temp; //总计数减去未传输的数据个数,得到此次接收到的数据个数
  177. Rxbuffer[Usart_1].recv_end_flag = 1;
  178. }
  179. /* USER CODE END USART1_IRQn 0 */
  180. HAL_UART_IRQHandler(&huart1);
  181. /* USER CODE BEGIN USART1_IRQn 1 */
  182. /* USER CODE END USART1_IRQn 1 */
  183. }
  184. /**
  185. * @brief This function handles USART3 global interrupt.
  186. */
  187. void USART3_IRQHandler(void)
  188. {
  189. /* USER CODE BEGIN USART3_IRQn 0 */
  190. uint8_t tmp_flag = 0;
  191. uint16_t temp;
  192. tmp_flag =__HAL_UART_GET_FLAG(&huart3,UART_FLAG_IDLE); //获取IDLE标志位
  193. if((tmp_flag != RESET))
  194. {
  195. __HAL_UART_CLEAR_IDLEFLAG(&huart3);
  196. // temp = huart4.Instance->SR;
  197. // temp = huart4.Instance->DR;
  198. HAL_UART_DMAStop(&huart3);
  199. temp = hdma_usart3_rx.Instance->NDTR;//CNDTR;//获取此时DMA中未传输的数据个数
  200. Rxbuffer[Usart_3].rx_len = BUFFER_SIZE - temp; //总计数减去未传输的数据个数,得到此次接收到的数据个数
  201. Rxbuffer[Usart_3].recv_end_flag = 1;
  202. }
  203. /* USER CODE END USART3_IRQn 0 */
  204. HAL_UART_IRQHandler(&huart3);
  205. /* USER CODE BEGIN USART3_IRQn 1 */
  206. /* USER CODE END USART3_IRQn 1 */
  207. }
  208. /**
  209. * @brief This function handles TIM6 global interrupt, DAC1 and DAC2 underrun error interrupts.
  210. */
  211. void TIM6_DAC_IRQHandler(void)
  212. {
  213. /* USER CODE BEGIN TIM6_DAC_IRQn 0 */
  214. /* USER CODE END TIM6_DAC_IRQn 0 */
  215. HAL_TIM_IRQHandler(&htim6);
  216. /* USER CODE BEGIN TIM6_DAC_IRQn 1 */
  217. /* USER CODE END TIM6_DAC_IRQn 1 */
  218. }
  219. /**
  220. * @brief This function handles DMA2 stream2 global interrupt.
  221. */
  222. void DMA2_Stream2_IRQHandler(void)
  223. {
  224. /* USER CODE BEGIN DMA2_Stream2_IRQn 0 */
  225. /* USER CODE END DMA2_Stream2_IRQn 0 */
  226. HAL_DMA_IRQHandler(&hdma_usart1_rx);
  227. /* USER CODE BEGIN DMA2_Stream2_IRQn 1 */
  228. /* USER CODE END DMA2_Stream2_IRQn 1 */
  229. }
  230. /**
  231. * @brief This function handles CAN2 RX0 interrupts.
  232. */
  233. void CAN2_RX0_IRQHandler(void)
  234. {
  235. /* USER CODE BEGIN CAN2_RX0_IRQn 0 */
  236. /* USER CODE END CAN2_RX0_IRQn 0 */
  237. HAL_CAN_IRQHandler(&hcan2);
  238. /* USER CODE BEGIN CAN2_RX0_IRQn 1 */
  239. /* USER CODE END CAN2_RX0_IRQn 1 */
  240. }
  241. /* USER CODE BEGIN 1 */
  242. /* USER CODE END 1 */