stm32f4xx_it.c 5.1 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152
  1. /**
  2. ******************************************************************************
  3. * @file stm32f4xx_it.c
  4. * @brief Interrupt Service Routines.
  5. ******************************************************************************
  6. *
  7. * COPYRIGHT(c) 2015 STMicroelectronics
  8. *
  9. * Redistribution and use in source and binary forms, with or without modification,
  10. * are permitted provided that the following conditions are met:
  11. * 1. Redistributions of source code must retain the above copyright notice,
  12. * this list of conditions and the following disclaimer.
  13. * 2. Redistributions in binary form must reproduce the above copyright notice,
  14. * this list of conditions and the following disclaimer in the documentation
  15. * and/or other materials provided with the distribution.
  16. * 3. Neither the name of STMicroelectronics nor the names of its contributors
  17. * may be used to endorse or promote products derived from this software
  18. * without specific prior written permission.
  19. *
  20. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  21. * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  23. * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  24. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  26. * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  27. * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  28. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30. *
  31. ******************************************************************************
  32. */
  33. /* Includes ------------------------------------------------------------------*/
  34. #include "stm32f4xx_hal.h"
  35. #include "stm32f4xx.h"
  36. #include "stm32f4xx_it.h"
  37. /* USER CODE BEGIN 0 */
  38. #include "interrupts.h"
  39. /* USER CODE END 0 */
  40. /* External variables --------------------------------------------------------*/
  41. extern RTC_HandleTypeDef hrtc;
  42. extern TIM_HandleTypeDef htim2;
  43. extern UART_HandleTypeDef huart1;
  44. extern UART_HandleTypeDef huart2;
  45. /******************************************************************************/
  46. /* Cortex-M4 Processor Interruption and Exception Handlers */
  47. /******************************************************************************/
  48. /**
  49. * @brief This function handles System tick timer.
  50. */
  51. void SysTick_Handler(void)
  52. {
  53. /* USER CODE BEGIN SysTick_IRQn 0 */
  54. handle_SysTick_interrupt();
  55. /* USER CODE END SysTick_IRQn 0 */
  56. HAL_IncTick();
  57. HAL_SYSTICK_IRQHandler();
  58. /* USER CODE BEGIN SysTick_IRQn 1 */
  59. /* USER CODE END SysTick_IRQn 1 */
  60. }
  61. /******************************************************************************/
  62. /* STM32F4xx Peripheral Interrupt Handlers */
  63. /* Add here the Interrupt Handlers for the used peripherals. */
  64. /* For the available peripheral interrupt handler names, */
  65. /* please refer to the startup file (startup_stm32f4xx.s). */
  66. /******************************************************************************/
  67. /**
  68. * @brief This function handles RTC Wakeup interrupt through the EXTI Line22 interrupt.
  69. */
  70. void RTC_WKUP_IRQHandler(void)
  71. {
  72. /* USER CODE BEGIN RTC_WKUP_IRQn 0 */
  73. handle_RTC_interrupt();
  74. /* USER CODE END RTC_WKUP_IRQn 0 */
  75. HAL_RTCEx_WakeUpTimerIRQHandler(&hrtc);
  76. /* USER CODE BEGIN RTC_WKUP_IRQn 1 */
  77. /* USER CODE END RTC_WKUP_IRQn 1 */
  78. }
  79. /**
  80. * @brief This function handles TIM2 global interrupt.
  81. */
  82. void TIM2_IRQHandler(void)
  83. {
  84. volatile static unsigned int timeBefore, timeAfter, exeTime, maxTime=0;
  85. /* USER CODE BEGIN TIM2_IRQn 0 */
  86. timeBefore = TIM3->CNT;
  87. handle_TIM2_interrupt();
  88. timeAfter = TIM3->CNT;
  89. if( timeAfter > timeBefore ) {
  90. exeTime = timeAfter - timeBefore;
  91. }
  92. else {
  93. exeTime = (65535 - timeBefore) + timeAfter;
  94. }
  95. if( exeTime > maxTime ) maxTime = exeTime;
  96. /* USER CODE END TIM2_IRQn 0 */
  97. HAL_TIM_IRQHandler(&htim2);
  98. /* USER CODE BEGIN TIM2_IRQn 1 */
  99. /* USER CODE END TIM2_IRQn 1 */
  100. }
  101. /**
  102. * @brief This function handles USART1 global interrupt.
  103. */
  104. void USART1_IRQHandler(void)
  105. {
  106. /* USER CODE BEGIN USART1_IRQn 0 */
  107. handle_USART1_interrupt();
  108. return;
  109. /* USER CODE END USART1_IRQn 0 */
  110. HAL_UART_IRQHandler(&huart1);
  111. /* USER CODE BEGIN USART1_IRQn 1 */
  112. /* USER CODE END USART1_IRQn 1 */
  113. }
  114. /**
  115. * @brief This function handles USART2 global interrupt.
  116. */
  117. void USART2_IRQHandler(void)
  118. {
  119. /* USER CODE BEGIN USART2_IRQn 0 */
  120. handle_USART2_interrupt();
  121. return;
  122. #pragma diag_suppress=Pe111
  123. /* USER CODE END USART2_IRQn 0 */
  124. HAL_UART_IRQHandler(&huart2);
  125. /* USER CODE BEGIN USART2_IRQn 1 */
  126. #pragma diag_default=Pe111
  127. /* USER CODE END USART2_IRQn 1 */
  128. }
  129. /* USER CODE BEGIN 1 */
  130. /* USER CODE END 1 */
  131. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/