stm32f1xx_it.c 6.6 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. /* USER CODE END Includes */
  26. /* Private typedef -----------------------------------------------------------*/
  27. /* USER CODE BEGIN TD */
  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. uint8_t receive_buffer[300]; // 定义接收缓存,这里假设最多可以接收100个字节
  38. uint8_t flag = 0;
  39. uint8_t gpioaStatus = 0;
  40. uint8_t gpiobStatus = 0;
  41. /* USER CODE END PV */
  42. /* Private function prototypes -----------------------------------------------*/
  43. /* USER CODE BEGIN PFP */
  44. /* USER CODE END PFP */
  45. /* Private user code ---------------------------------------------------------*/
  46. /* USER CODE BEGIN 0 */
  47. /* USER CODE END 0 */
  48. /* External variables --------------------------------------------------------*/
  49. extern TIM_HandleTypeDef htim2;
  50. extern UART_HandleTypeDef huart1;
  51. extern UART_HandleTypeDef huart3;
  52. /* USER CODE BEGIN EV */
  53. /* USER CODE END EV */
  54. /******************************************************************************/
  55. /* Cortex-M3 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 Prefetch 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 System service call via SWI instruction.
  124. */
  125. void SVC_Handler(void)
  126. {
  127. /* USER CODE BEGIN SVCall_IRQn 0 */
  128. /* USER CODE END SVCall_IRQn 0 */
  129. /* USER CODE BEGIN SVCall_IRQn 1 */
  130. /* USER CODE END SVCall_IRQn 1 */
  131. }
  132. /**
  133. * @brief This function handles Debug monitor.
  134. */
  135. void DebugMon_Handler(void)
  136. {
  137. /* USER CODE BEGIN DebugMonitor_IRQn 0 */
  138. /* USER CODE END DebugMonitor_IRQn 0 */
  139. /* USER CODE BEGIN DebugMonitor_IRQn 1 */
  140. /* USER CODE END DebugMonitor_IRQn 1 */
  141. }
  142. /**
  143. * @brief This function handles Pendable request for system service.
  144. */
  145. void PendSV_Handler(void)
  146. {
  147. /* USER CODE BEGIN PendSV_IRQn 0 */
  148. /* USER CODE END PendSV_IRQn 0 */
  149. /* USER CODE BEGIN PendSV_IRQn 1 */
  150. /* USER CODE END PendSV_IRQn 1 */
  151. }
  152. /**
  153. * @brief This function handles System tick timer.
  154. */
  155. void SysTick_Handler(void)
  156. {
  157. /* USER CODE BEGIN SysTick_IRQn 0 */
  158. /* USER CODE END SysTick_IRQn 0 */
  159. HAL_IncTick();
  160. /* USER CODE BEGIN SysTick_IRQn 1 */
  161. /* USER CODE END SysTick_IRQn 1 */
  162. }
  163. /******************************************************************************/
  164. /* STM32F1xx Peripheral Interrupt Handlers */
  165. /* Add here the Interrupt Handlers for the used peripherals. */
  166. /* For the available peripheral interrupt handler names, */
  167. /* please refer to the startup file (startup_stm32f1xx.s). */
  168. /******************************************************************************/
  169. /**
  170. * @brief This function handles TIM2 global interrupt.
  171. */
  172. void TIM2_IRQHandler(void)
  173. {
  174. /* USER CODE BEGIN TIM2_IRQn 0 */
  175. HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_12);
  176. /* USER CODE END TIM2_IRQn 0 */
  177. HAL_TIM_IRQHandler(&htim2);
  178. /* USER CODE BEGIN TIM2_IRQn 1 */
  179. /* USER CODE END TIM2_IRQn 1 */
  180. }
  181. /**
  182. * @brief This function handles USART1 global interrupt.
  183. */
  184. void USART1_IRQHandler(void)
  185. {
  186. /* USER CODE BEGIN USART1_IRQn 0 */
  187. static int index = 0; // 用于记录存储到数组中的位置
  188. HAL_UART_Receive(&huart1, &receive_buffer[index], 1, 1); // 读取接收到的数据
  189. if (index < 8) // 如果还没有接收到全部8个字节
  190. {
  191. index++; // 将记录位置的变量加1
  192. }
  193. if (index == 8) // 如果已经接收到了全部8个字节
  194. {
  195. index = 0; // 将记录位置的变量重新置为0
  196. flag = 1; // 将标志位置为1
  197. }
  198. /* USER CODE END USART1_IRQn 0 */
  199. HAL_UART_IRQHandler(&huart1);
  200. /* USER CODE BEGIN USART1_IRQn 1 */
  201. /* USER CODE END USART1_IRQn 1 */
  202. }
  203. /**
  204. * @brief This function handles USART3 global interrupt.
  205. */
  206. void USART3_IRQHandler(void)
  207. {
  208. /* USER CODE BEGIN USART3_IRQn 0 */
  209. /* USER CODE END USART3_IRQn 0 */
  210. HAL_UART_IRQHandler(&huart3);
  211. /* USER CODE BEGIN USART3_IRQn 1 */
  212. /* USER CODE END USART3_IRQn 1 */
  213. }
  214. /* USER CODE BEGIN 1 */
  215. /* USER CODE END 1 */