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/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file : main.c
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* @brief : Main program body
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2023 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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/* Private includes ----------------------------------------------------------*/
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/* USER CODE BEGIN Includes */
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#include "stm_gen.h"
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/* USER CODE END Includes */
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/* Private typedef -----------------------------------------------------------*/
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/* USER CODE BEGIN PTD */
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/* USER CODE END PTD */
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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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SPI_HandleTypeDef hspi1;
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TIM_HandleTypeDef htim1;
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TIM_HandleTypeDef htim2;
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/* USER CODE BEGIN PV */
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int channel = 1, iter = 0, settings_set = 0;
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Mode modes[CHANNELS];
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/* USER CODE END PV */
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/* Private function prototypes -----------------------------------------------*/
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void SystemClock_Config(void);
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static void MX_GPIO_Init(void);
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static void MX_TIM2_Init(void);
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static void MX_TIM1_Init(void);
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static void MX_SPI1_Init(void);
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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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/**
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* @brief The application entry point.
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* @retval int
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*/
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int main(void)
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{
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/* USER CODE BEGIN 1 */
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RCC->AHB1ENR |= RCC_AHB1ENR_GPIOAEN;
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GPIOA->MODER &= ~(3U << (0 * 2));
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GPIOA->MODER &= ~(3U << (3 * 2));
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GPIOA->MODER |= (1U << (0 * 2));
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GPIOA->MODER |= (1U << (3 * 2));
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GPIOA->BSRR = GPIO_BSRR_BR0;
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GPIOA->BSRR = GPIO_BSRR_BR3;
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// Для STM OK
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RCC->AHB1ENR |= RCC_AHB1ENR_GPIOCEN;
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GPIOC->MODER &= ~(3U << (1 * 2)); // Сброс режима входа
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GPIOC->MODER |= (1U << (1 * 2)); // Установка режима выхода
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GPIOC->BSRR = GPIO_BSRR_BR1;
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/* USER CODE END 1 */
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/* MCU Configuration--------------------------------------------------------*/
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/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
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HAL_Init();
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/* USER CODE BEGIN Init */
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/* USER CODE END Init */
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/* Configure the system clock */
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SystemClock_Config();
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/* USER CODE BEGIN SysInit */
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/* USER CODE END SysInit */
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/* Initialize all configured peripherals */
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MX_GPIO_Init();
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MX_TIM2_Init();
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MX_TIM1_Init();
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MX_SPI1_Init();
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/* USER CODE BEGIN 2 */
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uint8_t recData[10] = {0};
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HAL_GPIO_WritePin(GPIOC, GPIO_PIN_1, GPIO_PIN_SET);
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if (HAL_SPI_Receive(&hspi1, recData, 10, HAL_MAX_DELAY) == HAL_OK) {
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HAL_GPIO_WritePin(GPIOC, GPIO_PIN_1, GPIO_PIN_RESET);
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}
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//----------------КАНАЛ 1---------------
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FillMode(&modes[0], recData, 0);
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//----------------КАНАЛ 2---------------
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FillMode(&modes[1], recData, 5);
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/* USER CODE END 2 */
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/* Infinite loop */
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/* USER CODE BEGIN WHILE */
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for (int i = 0; i < CHANNELS; i++) {
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uint8_t T = 1000 / modes[i].f; // период следования импульсов
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// Считаем, какая частота таймера нужна для получения заданного периода T
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uint32_t freq_T_check = (F_CPU * T) / 100;
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// Если частота больше максимально допустимой 65536 - добавляем предделитель
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if (freq_T_check >= MAX_PWM_FREQ) {
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modes[i].coef = freq_T_check / MAX_PWM_FREQ; // предделитель
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// Округляем предделитель в большую сторону для запаса, если необходимо
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if (freq_T_check % MAX_PWM_FREQ != 0) {
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modes[i].coef++;
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}
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// Частота от процессора после прохождения предделителя
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int F_tmp = F_CPU / modes[i].coef;
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// Считаем частоту таймера нужна для получения заданного периода T (с новым значением частоты процессора)
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modes[i].freq_pwm_new = (F_tmp * T) / 1000;
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}
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}
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modes[0].pwm_value_res = (modes[0].pwm_value * modes[0].freq_pwm_new) / MAX_PWM_FREQ; // пересчет скважности для 1 канала
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modes[1].pwm_value_res = (modes[1].pwm_value * modes[1].freq_pwm_new) / MAX_PWM_FREQ; // пересчет скважности для 2 канала
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HAL_TIM_Base_Start_IT(&htim1);
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while (1) {
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/* USER CODE END WHILE */
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/* USER CODE BEGIN 3 */
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if (channel == 1 && settings_set == 0) {
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settings_set = 1; // канал 1 настроен
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} else if (channel == 2 && settings_set == 0) {
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settings_set = 1; // канал 2 настроен
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}
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}
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/* USER CODE END 3 */
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}
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/**
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* @brief System Clock Configuration
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* @retval None
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*/
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void SystemClock_Config(void)
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{
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RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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/** Configure the main internal regulator output voltage
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*/
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__HAL_RCC_PWR_CLK_ENABLE();
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__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
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/** Initializes the RCC Oscillators according to the specified parameters
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* in the RCC_OscInitTypeDef structure.
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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{
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Error_Handler();
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}
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/** Initializes the CPU, AHB and APB buses clocks
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*/
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSE;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
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{
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Error_Handler();
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}
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}
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/**
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* @brief SPI1 Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_SPI1_Init(void)
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{
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/* USER CODE BEGIN SPI1_Init 0 */
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/* USER CODE END SPI1_Init 0 */
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/* USER CODE BEGIN SPI1_Init 1 */
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/* USER CODE END SPI1_Init 1 */
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/* SPI1 parameter configuration*/
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hspi1.Instance = SPI1;
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hspi1.Init.Mode = SPI_MODE_SLAVE;
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hspi1.Init.Direction = SPI_DIRECTION_2LINES;
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hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
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hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
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hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
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hspi1.Init.NSS = SPI_NSS_HARD_INPUT;
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hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
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hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
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hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
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hspi1.Init.CRCPolynomial = 10;
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if (HAL_SPI_Init(&hspi1) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN SPI1_Init 2 */
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/* USER CODE END SPI1_Init 2 */
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}
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/**
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* @brief TIM1 Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_TIM1_Init(void)
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{
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/* USER CODE BEGIN TIM1_Init 0 */
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/* USER CODE END TIM1_Init 0 */
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TIM_ClockConfigTypeDef sClockSourceConfig = {0};
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TIM_MasterConfigTypeDef sMasterConfig = {0};
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TIM_OC_InitTypeDef sConfigOC = {0};
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TIM_BreakDeadTimeConfigTypeDef sBreakDeadTimeConfig = {0};
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/* USER CODE BEGIN TIM1_Init 1 */
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/* USER CODE END TIM1_Init 1 */
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htim1.Instance = TIM1;
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htim1.Init.Prescaler = 23999;
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htim1.Init.CounterMode = TIM_COUNTERMODE_UP;
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htim1.Init.Period = 999;
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htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
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htim1.Init.RepetitionCounter = 0;
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htim1.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
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if (HAL_TIM_Base_Init(&htim1) != HAL_OK)
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{
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Error_Handler();
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}
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sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
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if (HAL_TIM_ConfigClockSource(&htim1, &sClockSourceConfig) != HAL_OK)
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{
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Error_Handler();
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}
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if (HAL_TIM_OC_Init(&htim1) != HAL_OK)
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{
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Error_Handler();
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}
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sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
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sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
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if (HAL_TIMEx_MasterConfigSynchronization(&htim1, &sMasterConfig) != HAL_OK)
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{
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Error_Handler();
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}
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sConfigOC.OCMode = TIM_OCMODE_TIMING;
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sConfigOC.Pulse = 0;
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sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
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sConfigOC.OCNPolarity = TIM_OCNPOLARITY_HIGH;
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sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
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sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET;
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sConfigOC.OCNIdleState = TIM_OCNIDLESTATE_RESET;
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if (HAL_TIM_OC_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
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{
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Error_Handler();
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}
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sBreakDeadTimeConfig.OffStateRunMode = TIM_OSSR_DISABLE;
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sBreakDeadTimeConfig.OffStateIDLEMode = TIM_OSSI_DISABLE;
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sBreakDeadTimeConfig.LockLevel = TIM_LOCKLEVEL_OFF;
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sBreakDeadTimeConfig.DeadTime = 0;
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sBreakDeadTimeConfig.BreakState = TIM_BREAK_DISABLE;
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sBreakDeadTimeConfig.BreakPolarity = TIM_BREAKPOLARITY_HIGH;
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sBreakDeadTimeConfig.AutomaticOutput = TIM_AUTOMATICOUTPUT_DISABLE;
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if (HAL_TIMEx_ConfigBreakDeadTime(&htim1, &sBreakDeadTimeConfig) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN TIM1_Init 2 */
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/* USER CODE END TIM1_Init 2 */
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HAL_TIM_MspPostInit(&htim1);
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}
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/**
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* @brief TIM2 Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_TIM2_Init(void)
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{
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/* USER CODE BEGIN TIM2_Init 0 */
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/* USER CODE END TIM2_Init 0 */
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TIM_ClockConfigTypeDef sClockSourceConfig = {0};
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TIM_MasterConfigTypeDef sMasterConfig = {0};
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TIM_OC_InitTypeDef sConfigOC = {0};
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/* USER CODE BEGIN TIM2_Init 1 */
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/* USER CODE END TIM2_Init 1 */
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htim2.Instance = TIM2;
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htim2.Init.Prescaler = 0;
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htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
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htim2.Init.Period = 65535;
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htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
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htim2.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
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if (HAL_TIM_Base_Init(&htim2) != HAL_OK)
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{
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Error_Handler();
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}
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sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
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if (HAL_TIM_ConfigClockSource(&htim2, &sClockSourceConfig) != HAL_OK)
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{
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Error_Handler();
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}
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if (HAL_TIM_PWM_Init(&htim2) != HAL_OK)
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{
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Error_Handler();
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}
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sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
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sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
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if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK)
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{
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Error_Handler();
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}
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sConfigOC.OCMode = TIM_OCMODE_PWM1;
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sConfigOC.Pulse = 10000;
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sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
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sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
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if (HAL_TIM_PWM_ConfigChannel(&htim2, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
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{
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Error_Handler();
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}
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/* USER CODE BEGIN TIM2_Init 2 */
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/* USER CODE END TIM2_Init 2 */
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HAL_TIM_MspPostInit(&htim2);
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}
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/**
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* @brief GPIO Initialization Function
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* @param None
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* @retval None
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*/
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static void MX_GPIO_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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/* USER CODE BEGIN MX_GPIO_Init_1 */
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/* USER CODE END MX_GPIO_Init_1 */
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/* GPIO Ports Clock Enable */
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__HAL_RCC_GPIOH_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOE_CLK_ENABLE();
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOC, GPIO_PIN_1, GPIO_PIN_RESET);
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/*Configure GPIO pin Output Level */
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HAL_GPIO_WritePin(GPIOA, GPIO_PIN_1|GPIO_PIN_3, GPIO_PIN_RESET);
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/*Configure GPIO pin : PC1 */
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GPIO_InitStruct.Pin = GPIO_PIN_1;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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/*Configure GPIO pin : PA1 */
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GPIO_InitStruct.Pin = GPIO_PIN_1;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/*Configure GPIO pin : PA3 */
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GPIO_InitStruct.Pin = GPIO_PIN_3;
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_NOPULL;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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/* USER CODE BEGIN MX_GPIO_Init_2 */
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/* USER CODE END MX_GPIO_Init_2 */
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}
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void ChannelSwap(Mode *mode_ptr, int channel_new, int *channel_var, int settings_flag, int *settings_var) {
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|
PWMInit(mode_ptr->coef-1, mode_ptr->freq_pwm_new-1, mode_ptr->pwm_value_res);
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__HAL_TIM_SET_AUTORELOAD(&htim1, (mode_ptr->time_mode * F_CPU_TIM1 - 1));
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*channel_var = channel_new;
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*settings_var = settings_flag;
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}
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|
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void PWMInit(uint8_t prescaler, uint16_t period, uint16_t pwm_value) {
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|
/* USER CODE BEGIN TIM2_Init 0 */
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/* USER CODE END TIM2_Init 0 */
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|
|
TIM_ClockConfigTypeDef sClockSourceConfig = {0};
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|
|
TIM_MasterConfigTypeDef sMasterConfig = {0};
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|
|
TIM_OC_InitTypeDef sConfigOC = {0};
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|
|
/* USER CODE BEGIN TIM2_Init 1 */
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|
/* USER CODE END TIM2_Init 1 */
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|
|
htim2.Instance = TIM2;
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|
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htim2.Init.Prescaler = prescaler;
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|
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htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
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htim2.Init.Period = period;
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htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
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|
htim2.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
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|
|
if (HAL_TIM_Base_Init(&htim2) != HAL_OK)
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|
|
{
|
|
|
Error_Handler();
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|
|
}
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|
|
sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
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|
|
if (HAL_TIM_ConfigClockSource(&htim2, &sClockSourceConfig) != HAL_OK)
|
|
|
{
|
|
|
Error_Handler();
|
|
|
}
|
|
|
if (HAL_TIM_PWM_Init(&htim2) != HAL_OK)
|
|
|
{
|
|
|
Error_Handler();
|
|
|
}
|
|
|
sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
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|
|
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
|
|
|
if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK)
|
|
|
{
|
|
|
Error_Handler();
|
|
|
}
|
|
|
sConfigOC.OCMode = TIM_OCMODE_PWM1;
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|
|
sConfigOC.Pulse = pwm_value;
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|
|
sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
|
|
|
sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
|
|
|
if (HAL_TIM_PWM_ConfigChannel(&htim2, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
|
|
|
{
|
|
|
Error_Handler();
|
|
|
}
|
|
|
/* USER CODE BEGIN TIM2_Init 2 */
|
|
|
/* USER CODE END TIM2_Init 2 */
|
|
|
HAL_TIM_MspPostInit(&htim2);
|
|
|
HAL_TIM_PWM_Start(&htim2, TIM_CHANNEL_1);
|
|
|
}
|
|
|
|
|
|
void SetInvert(Mode *mode_ptr) {
|
|
|
if (mode_ptr->invert == 1) {
|
|
|
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_3, GPIO_PIN_SET); // Инвертированный L12 (1 - да, 0 - нет)
|
|
|
} else {
|
|
|
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_3, GPIO_PIN_RESET);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
void FillMode(Mode *mode_ptr, uint8_t *recData, int start) {
|
|
|
mode_ptr->time_mode = recData[start];
|
|
|
mode_ptr->f = recData[start + 3];
|
|
|
mode_ptr->pwm_value = (uint16_t)(recData[start + 1] << 8) | recData[start + 2];
|
|
|
mode_ptr->invert = recData[start + 4];
|
|
|
}
|
|
|
|
|
|
/* USER CODE END 4 */
|
|
|
|
|
|
/**
|
|
|
* @brief This function is executed in case of error occurrence.
|
|
|
* @retval None
|
|
|
*/
|
|
|
void Error_Handler(void)
|
|
|
{
|
|
|
/* USER CODE BEGIN Error_Handler_Debug */
|
|
|
/* User can add his own implementation to report the HAL error return state */
|
|
|
__disable_irq();
|
|
|
while (1)
|
|
|
{
|
|
|
}
|
|
|
/* USER CODE END Error_Handler_Debug */
|
|
|
}
|
|
|
|
|
|
#ifdef USE_FULL_ASSERT
|
|
|
/**
|
|
|
* @brief Reports the name of the source file and the source line number
|
|
|
* where the assert_param error has occurred.
|
|
|
* @param file: pointer to the source file name
|
|
|
* @param line: assert_param error line source number
|
|
|
* @retval None
|
|
|
*/
|
|
|
void assert_failed(uint8_t *file, uint32_t line)
|
|
|
{
|
|
|
/* USER CODE BEGIN 6 */
|
|
|
/* User can add his own implementation to report the file name and line number,
|
|
|
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
|
|
|
/* USER CODE END 6 */
|
|
|
}
|
|
|
#endif /* USE_FULL_ASSERT */
|
