stm32f1xx_it.c 7.0 KB

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  1. /* USER CODE BEGIN Header */
  2. /**
  3. ******************************************************************************
  4. * @file stm32f1xx_it.c
  5. * @brief Interrupt Service Routines.
  6. ******************************************************************************
  7. * @attention
  8. *
  9. * Copyright (c) 2023 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 "stm32f1xx_it.h"
  22. /* Private includes ----------------------------------------------------------*/
  23. /* USER CODE BEGIN Includes */
  24. #include "gpio.h"
  25. #include "adc.h"
  26. #include "usart.h"
  27. /* USER CODE END Includes */
  28. /* Private typedef -----------------------------------------------------------*/
  29. /* USER CODE BEGIN TD */
  30. /* USER CODE END TD */
  31. /* Private define ------------------------------------------------------------*/
  32. /* USER CODE BEGIN PD */
  33. /* USER CODE END PD */
  34. /* Private macro -------------------------------------------------------------*/
  35. /* USER CODE BEGIN PM */
  36. /* USER CODE END PM */
  37. /* Private variables ---------------------------------------------------------*/
  38. /* USER CODE BEGIN PV */
  39. uint8_t receive_buffer[100]; // 定义接收缓存,这里假设最多可以接收100个字节
  40. uint8_t flag = 0;
  41. uint8_t gpioaStatus = 0;
  42. uint8_t gpiobStatus = 0;
  43. /* USER CODE END PV */
  44. /* Private function prototypes -----------------------------------------------*/
  45. /* USER CODE BEGIN PFP */
  46. /* USER CODE END PFP */
  47. /* Private user code ---------------------------------------------------------*/
  48. /* USER CODE BEGIN 0 */
  49. /* USER CODE END 0 */
  50. /* External variables --------------------------------------------------------*/
  51. extern TIM_HandleTypeDef htim2;
  52. extern UART_HandleTypeDef huart1;
  53. extern UART_HandleTypeDef huart3;
  54. /* USER CODE BEGIN EV */
  55. /* USER CODE END EV */
  56. /******************************************************************************/
  57. /* Cortex-M3 Processor Interruption and Exception Handlers */
  58. /******************************************************************************/
  59. /**
  60. * @brief This function handles Non maskable interrupt.
  61. */
  62. void NMI_Handler(void)
  63. {
  64. /* USER CODE BEGIN NonMaskableInt_IRQn 0 */
  65. /* USER CODE END NonMaskableInt_IRQn 0 */
  66. /* USER CODE BEGIN NonMaskableInt_IRQn 1 */
  67. while (1)
  68. {
  69. }
  70. /* USER CODE END NonMaskableInt_IRQn 1 */
  71. }
  72. /**
  73. * @brief This function handles Hard fault interrupt.
  74. */
  75. void HardFault_Handler(void)
  76. {
  77. /* USER CODE BEGIN HardFault_IRQn 0 */
  78. /* USER CODE END HardFault_IRQn 0 */
  79. while (1)
  80. {
  81. /* USER CODE BEGIN W1_HardFault_IRQn 0 */
  82. /* USER CODE END W1_HardFault_IRQn 0 */
  83. }
  84. }
  85. /**
  86. * @brief This function handles Memory management fault.
  87. */
  88. void MemManage_Handler(void)
  89. {
  90. /* USER CODE BEGIN MemoryManagement_IRQn 0 */
  91. /* USER CODE END MemoryManagement_IRQn 0 */
  92. while (1)
  93. {
  94. /* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
  95. /* USER CODE END W1_MemoryManagement_IRQn 0 */
  96. }
  97. }
  98. /**
  99. * @brief This function handles Prefetch fault, memory access fault.
  100. */
  101. void BusFault_Handler(void)
  102. {
  103. /* USER CODE BEGIN BusFault_IRQn 0 */
  104. /* USER CODE END BusFault_IRQn 0 */
  105. while (1)
  106. {
  107. /* USER CODE BEGIN W1_BusFault_IRQn 0 */
  108. /* USER CODE END W1_BusFault_IRQn 0 */
  109. }
  110. }
  111. /**
  112. * @brief This function handles Undefined instruction or illegal state.
  113. */
  114. void UsageFault_Handler(void)
  115. {
  116. /* USER CODE BEGIN UsageFault_IRQn 0 */
  117. /* USER CODE END UsageFault_IRQn 0 */
  118. while (1)
  119. {
  120. /* USER CODE BEGIN W1_UsageFault_IRQn 0 */
  121. /* USER CODE END W1_UsageFault_IRQn 0 */
  122. }
  123. }
  124. /**
  125. * @brief This function handles System service call via SWI instruction.
  126. */
  127. void SVC_Handler(void)
  128. {
  129. /* USER CODE BEGIN SVCall_IRQn 0 */
  130. /* USER CODE END SVCall_IRQn 0 */
  131. /* USER CODE BEGIN SVCall_IRQn 1 */
  132. /* USER CODE END SVCall_IRQn 1 */
  133. }
  134. /**
  135. * @brief This function handles Debug monitor.
  136. */
  137. void DebugMon_Handler(void)
  138. {
  139. /* USER CODE BEGIN DebugMonitor_IRQn 0 */
  140. /* USER CODE END DebugMonitor_IRQn 0 */
  141. /* USER CODE BEGIN DebugMonitor_IRQn 1 */
  142. /* USER CODE END DebugMonitor_IRQn 1 */
  143. }
  144. /**
  145. * @brief This function handles Pendable request for system service.
  146. */
  147. void PendSV_Handler(void)
  148. {
  149. /* USER CODE BEGIN PendSV_IRQn 0 */
  150. /* USER CODE END PendSV_IRQn 0 */
  151. /* USER CODE BEGIN PendSV_IRQn 1 */
  152. /* USER CODE END PendSV_IRQn 1 */
  153. }
  154. /**
  155. * @brief This function handles System tick timer.
  156. */
  157. void SysTick_Handler(void)
  158. {
  159. /* USER CODE BEGIN SysTick_IRQn 0 */
  160. /* USER CODE END SysTick_IRQn 0 */
  161. HAL_IncTick();
  162. /* USER CODE BEGIN SysTick_IRQn 1 */
  163. /* USER CODE END SysTick_IRQn 1 */
  164. }
  165. /******************************************************************************/
  166. /* STM32F1xx Peripheral Interrupt Handlers */
  167. /* Add here the Interrupt Handlers for the used peripherals. */
  168. /* For the available peripheral interrupt handler names, */
  169. /* please refer to the startup file (startup_stm32f1xx.s). */
  170. /******************************************************************************/
  171. /**
  172. * @brief This function handles TIM2 global interrupt.
  173. */
  174. void TIM2_IRQHandler(void)
  175. {
  176. /* USER CODE BEGIN TIM2_IRQn 0 */
  177. HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_12);
  178. /* USER CODE END TIM2_IRQn 0 */
  179. HAL_TIM_IRQHandler(&htim2);
  180. /* USER CODE BEGIN TIM2_IRQn 1 */
  181. /* USER CODE END TIM2_IRQn 1 */
  182. }
  183. /**
  184. * @brief This function handles USART1 global interrupt.
  185. */
  186. void USART1_IRQHandler(void)
  187. {
  188. /* USER CODE BEGIN USART1_IRQn 0 */
  189. static uint8_t index = 0; // 用于记录存储到数组中的位置
  190. HAL_UART_Receive(&huart1, &receive_buffer[index], 1, 1); // 读取接收到的数据
  191. if (index < 8) // 如果还没有接收到全部数据
  192. {
  193. index++; // 将记录位置的变量加1
  194. }
  195. if (index == 8) // 如果已经接收到了全部数据
  196. {
  197. index = 0; // 将记录位置的变量重新置为0
  198. flag = 1; // 将标志位置为1
  199. }
  200. /* USER CODE END USART1_IRQn 0 */
  201. HAL_UART_IRQHandler(&huart1);
  202. /* USER CODE BEGIN USART1_IRQn 1 */
  203. if (__HAL_UART_GET_FLAG(&huart1, UART_FLAG_ORE) == SET) // 如果发生了接收溢出
  204. {
  205. __HAL_UART_CLEAR_FLAG(&huart1, UART_FLAG_RXNE); // 清除接收中断标志位
  206. __HAL_UART_CLEAR_FLAG(&huart1, UART_FLAG_ORE); // 清除接收溢出标志位
  207. index = 0; // 重新开始接收数据
  208. HAL_UART_Receive_IT(&huart1, receive_buffer, 1); // 重新开启串口接收中断
  209. }
  210. /* USER CODE END USART1_IRQn 1 */
  211. }
  212. /**
  213. * @brief This function handles USART3 global interrupt.
  214. */
  215. void USART3_IRQHandler(void)
  216. {
  217. /* USER CODE BEGIN USART3_IRQn 0 */
  218. /* USER CODE END USART3_IRQn 0 */
  219. HAL_UART_IRQHandler(&huart3);
  220. /* USER CODE BEGIN USART3_IRQn 1 */
  221. /* USER CODE END USART3_IRQn 1 */
  222. }
  223. /* USER CODE BEGIN 1 */
  224. /* USER CODE END 1 */