251 lines
6.8 KiB
C
251 lines
6.8 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file stm32f1xx_it.c
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* @brief Interrupt Service Routines.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2022 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* USER CODE END Header */
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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#include "stm32f1xx_it.h"
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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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/* USER CODE END Includes */
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/* Private typedef -----------------------------------------------------------*/
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/* USER CODE BEGIN TD */
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/* USER CODE END TD */
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/* Private define ------------------------------------------------------------*/
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/* USER CODE BEGIN PD */
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/* USER CODE END PD */
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/* Private macro -------------------------------------------------------------*/
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/* USER CODE BEGIN PM */
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/* USER CODE END PM */
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/* Private variables ---------------------------------------------------------*/
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/* USER CODE BEGIN PV */
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/* USER CODE END PV */
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/* Private function prototypes -----------------------------------------------*/
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/* USER CODE BEGIN PFP */
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/* USER CODE END PFP */
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/* Private user code ---------------------------------------------------------*/
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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/* External variables --------------------------------------------------------*/
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extern TIM_HandleTypeDef htim2;
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/* USER CODE BEGIN EV */
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/* USER CODE END EV */
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/******************************************************************************/
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/* Cortex-M3 Processor Interruption and Exception Handlers */
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/******************************************************************************/
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/**
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* @brief This function handles Non maskable interrupt.
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*/
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void NMI_Handler(void)
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{
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/* USER CODE BEGIN NonMaskableInt_IRQn 0 */
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/* USER CODE END NonMaskableInt_IRQn 0 */
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/* USER CODE BEGIN NonMaskableInt_IRQn 1 */
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while (1)
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{
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}
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/* USER CODE END NonMaskableInt_IRQn 1 */
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}
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/**
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* @brief This function handles Hard fault interrupt.
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*/
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void HardFault_Handler(void)
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{
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/* USER CODE BEGIN HardFault_IRQn 0 */
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/* USER CODE END HardFault_IRQn 0 */
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while (1)
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{
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/* USER CODE BEGIN W1_HardFault_IRQn 0 */
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/* USER CODE END W1_HardFault_IRQn 0 */
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}
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}
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/**
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* @brief This function handles Memory management fault.
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*/
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void MemManage_Handler(void)
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{
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/* USER CODE BEGIN MemoryManagement_IRQn 0 */
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/* USER CODE END MemoryManagement_IRQn 0 */
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while (1)
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{
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/* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
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/* USER CODE END W1_MemoryManagement_IRQn 0 */
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}
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}
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/**
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* @brief This function handles Prefetch fault, memory access fault.
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*/
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void BusFault_Handler(void)
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{
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/* USER CODE BEGIN BusFault_IRQn 0 */
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/* USER CODE END BusFault_IRQn 0 */
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while (1)
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{
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/* USER CODE BEGIN W1_BusFault_IRQn 0 */
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/* USER CODE END W1_BusFault_IRQn 0 */
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}
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}
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/**
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* @brief This function handles Undefined instruction or illegal state.
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*/
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void UsageFault_Handler(void)
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{
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/* USER CODE BEGIN UsageFault_IRQn 0 */
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/* USER CODE END UsageFault_IRQn 0 */
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while (1)
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{
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/* USER CODE BEGIN W1_UsageFault_IRQn 0 */
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/* USER CODE END W1_UsageFault_IRQn 0 */
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}
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}
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/**
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* @brief This function handles System service call via SWI instruction.
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*/
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void SVC_Handler(void)
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{
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/* USER CODE BEGIN SVCall_IRQn 0 */
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/* USER CODE END SVCall_IRQn 0 */
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/* USER CODE BEGIN SVCall_IRQn 1 */
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/* USER CODE END SVCall_IRQn 1 */
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}
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/**
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* @brief This function handles Debug monitor.
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*/
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void DebugMon_Handler(void)
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{
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/* USER CODE BEGIN DebugMonitor_IRQn 0 */
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/* USER CODE END DebugMonitor_IRQn 0 */
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/* USER CODE BEGIN DebugMonitor_IRQn 1 */
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/* USER CODE END DebugMonitor_IRQn 1 */
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}
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/**
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* @brief This function handles Pendable request for system service.
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*/
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void PendSV_Handler(void)
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{
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/* USER CODE BEGIN PendSV_IRQn 0 */
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/* USER CODE END PendSV_IRQn 0 */
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/* USER CODE BEGIN PendSV_IRQn 1 */
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/* USER CODE END PendSV_IRQn 1 */
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}
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/**
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* @brief This function handles System tick timer.
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*/
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void SysTick_Handler(void)
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{
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/* USER CODE BEGIN SysTick_IRQn 0 */
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/* USER CODE END SysTick_IRQn 0 */
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HAL_IncTick();
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/* USER CODE BEGIN SysTick_IRQn 1 */
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/* USER CODE END SysTick_IRQn 1 */
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}
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/******************************************************************************/
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/* STM32F1xx Peripheral Interrupt Handlers */
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/* Add here the Interrupt Handlers for the used peripherals. */
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/* For the available peripheral interrupt handler names, */
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/* please refer to the startup file (startup_stm32f1xx.s). */
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/******************************************************************************/
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/**
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* @brief This function handles TIM2 global interrupt.
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*/
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void TIM2_IRQHandler(void)
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{
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/* USER CODE BEGIN TIM2_IRQn 0 */
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uint32_t sr = TIM2->SR;
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static int _state_counter = 0;
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if (sr & TIM_SR_UIF) {
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TIM2->SR = TIM_SR_UIF;
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// переполнение, так что записываем как стоп
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opt_state = STOP;
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_state_counter = 0;
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LED_GPIO_Port->BSRR = LED_Pin;
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}
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// задний фронт, убывающий
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if (sr & TIM_SR_CC2IF) {
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uint32_t ccr = TIM2->CCR2;
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if (ccr >= DEVICE_MIN_PULSE_WIDTH && ccr <= DEVICE_MAX_PULSE_WIDTH) {
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// можно считать что это импульс
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if (_state_counter > DEVICE_MIN_RECEIVE_PULSES) {
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LED_GPIO_Port->BSRR = (uint32_t)LED_Pin << 16;
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opt_state = START;
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} else {
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_state_counter++;
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}
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}
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// else {
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// // какое-то говно, а не импульс
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// // ну я ничего не делаю
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// }
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}
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// передний возрастающий фронт
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// тут по сути надо обнулить CNT, и вроде все
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if (sr & TIM_SR_CC1IF) {
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TIM2->SR = TIM_SR_CC1IF;
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TIM2->CNT = 0; // обнуляем счетчик таймера
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}
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/* USER CODE END TIM2_IRQn 0 */
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HAL_TIM_IRQHandler(&htim2);
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/* USER CODE BEGIN TIM2_IRQn 1 */
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/* USER CODE END TIM2_IRQn 1 */
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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