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  1. /* USER CODE BEGIN Header */
  2. /**
  3.   ******************************************************************************
  4.   * @file    stm32l1xx_it.c
  5.   * @brief   Interrupt Service Routines.
  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 "stm32l1xx_it.h"
  24. /* Private includes ----------------------------------------------------------*/
  25. /* USER CODE BEGIN Includes */
  26. #include "switches.h"
  27. /* USER CODE END Includes */
  28.  
  29. /* Private typedef -----------------------------------------------------------*/
  30. /* USER CODE BEGIN TD */
  31.  
  32. /* USER CODE END TD */
  33.  
  34. /* Private define ------------------------------------------------------------*/
  35. /* USER CODE BEGIN PD */
  36.  
  37. /* USER CODE END PD */
  38.  
  39. /* Private macro -------------------------------------------------------------*/
  40. /* USER CODE BEGIN PM */
  41.  
  42. /* USER CODE END PM */
  43.  
  44. /* Private variables ---------------------------------------------------------*/
  45. /* USER CODE BEGIN PV */
  46.  
  47. /* USER CODE END PV */
  48.  
  49. /* Private function prototypes -----------------------------------------------*/
  50. /* USER CODE BEGIN PFP */
  51.  
  52. /* USER CODE END PFP */
  53.  
  54. /* Private user code ---------------------------------------------------------*/
  55. /* USER CODE BEGIN 0 */
  56.  
  57. /* USER CODE END 0 */
  58.  
  59. /* External variables --------------------------------------------------------*/
  60.  
  61. /* USER CODE BEGIN EV */
  62.  
  63. /* USER CODE END EV */
  64.  
  65. /******************************************************************************/
  66. /*           Cortex-M3 Processor Interruption and Exception Handlers          */
  67. /******************************************************************************/
  68. /**
  69.   * @brief This function handles Non maskable interrupt.
  70.   */
  71. void NMI_Handler(void)
  72. {
  73.   /* USER CODE BEGIN NonMaskableInt_IRQn 0 */
  74.  
  75.   /* USER CODE END NonMaskableInt_IRQn 0 */
  76.   /* USER CODE BEGIN NonMaskableInt_IRQn 1 */
  77.  
  78.   /* USER CODE END NonMaskableInt_IRQn 1 */
  79. }
  80.  
  81. /**
  82.   * @brief This function handles Hard fault interrupt.
  83.   */
  84. void HardFault_Handler(void)
  85. {
  86.   /* USER CODE BEGIN HardFault_IRQn 0 */
  87.  
  88.   /* USER CODE END HardFault_IRQn 0 */
  89.   while (1)
  90.   {
  91.     /* USER CODE BEGIN W1_HardFault_IRQn 0 */
  92.     /* USER CODE END W1_HardFault_IRQn 0 */
  93.   }
  94. }
  95.  
  96. /**
  97.   * @brief This function handles Memory management fault.
  98.   */
  99. void MemManage_Handler(void)
  100. {
  101.   /* USER CODE BEGIN MemoryManagement_IRQn 0 */
  102.  
  103.   /* USER CODE END MemoryManagement_IRQn 0 */
  104.   while (1)
  105.   {
  106.     /* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
  107.     /* USER CODE END W1_MemoryManagement_IRQn 0 */
  108.   }
  109. }
  110.  
  111. /**
  112.   * @brief This function handles Pre-fetch fault, memory access fault.
  113.   */
  114. void BusFault_Handler(void)
  115. {
  116.   /* USER CODE BEGIN BusFault_IRQn 0 */
  117.  
  118.   /* USER CODE END BusFault_IRQn 0 */
  119.   while (1)
  120.   {
  121.     /* USER CODE BEGIN W1_BusFault_IRQn 0 */
  122.     /* USER CODE END W1_BusFault_IRQn 0 */
  123.   }
  124. }
  125.  
  126. /**
  127.   * @brief This function handles Undefined instruction or illegal state.
  128.   */
  129. void UsageFault_Handler(void)
  130. {
  131.   /* USER CODE BEGIN UsageFault_IRQn 0 */
  132.  
  133.   /* USER CODE END UsageFault_IRQn 0 */
  134.   while (1)
  135.   {
  136.     /* USER CODE BEGIN W1_UsageFault_IRQn 0 */
  137.     /* USER CODE END W1_UsageFault_IRQn 0 */
  138.   }
  139. }
  140.  
  141. /**
  142.   * @brief This function handles System service call via SWI instruction.
  143.   */
  144. void SVC_Handler(void)
  145. {
  146.   /* USER CODE BEGIN SVC_IRQn 0 */
  147.  
  148.   /* USER CODE END SVC_IRQn 0 */
  149.   /* USER CODE BEGIN SVC_IRQn 1 */
  150.  
  151.   /* USER CODE END SVC_IRQn 1 */
  152. }
  153.  
  154. /**
  155.   * @brief This function handles Debug monitor.
  156.   */
  157. void DebugMon_Handler(void)
  158. {
  159.   /* USER CODE BEGIN DebugMonitor_IRQn 0 */
  160.  
  161.   /* USER CODE END DebugMonitor_IRQn 0 */
  162.   /* USER CODE BEGIN DebugMonitor_IRQn 1 */
  163.  
  164.   /* USER CODE END DebugMonitor_IRQn 1 */
  165. }
  166.  
  167. /**
  168.   * @brief This function handles Pendable request for system service.
  169.   */
  170. void PendSV_Handler(void)
  171. {
  172.   /* USER CODE BEGIN PendSV_IRQn 0 */
  173.  
  174.   /* USER CODE END PendSV_IRQn 0 */
  175.   /* USER CODE BEGIN PendSV_IRQn 1 */
  176.  
  177.   /* USER CODE END PendSV_IRQn 1 */
  178. }
  179.  
  180. /**
  181.   * @brief This function handles System tick timer.
  182.   */
  183. void SysTick_Handler(void)
  184. {
  185.   /* USER CODE BEGIN SysTick_IRQn 0 */
  186.   HandleSwitches();
  187.   /* USER CODE END SysTick_IRQn 0 */
  188.   HAL_IncTick();
  189.   /* USER CODE BEGIN SysTick_IRQn 1 */
  190.  
  191.   /* USER CODE END SysTick_IRQn 1 */
  192. }
  193.  
  194. /******************************************************************************/
  195. /* STM32L1xx Peripheral Interrupt Handlers                                    */
  196. /* Add here the Interrupt Handlers for the used peripherals.                  */
  197. /* For the available peripheral interrupt handler names,                      */
  198. /* please refer to the startup file (startup_stm32l1xx.s).                    */
  199. /******************************************************************************/
  200.  
  201. /* USER CODE BEGIN 1 */
  202.  
  203. /* USER CODE END 1 */
  204.