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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) 2025 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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+
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+/* Private includes ----------------------------------------------------------*/
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+/* USER CODE BEGIN Includes */
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+#include "user.h"
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+
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+/* USER CODE END Includes */
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+
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+/* Private typedef -----------------------------------------------------------*/
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+/* USER CODE BEGIN PTD */
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+
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+/* USER CODE END PTD */
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+
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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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+
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+/* Private macro -------------------------------------------------------------*/
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+/* USER CODE BEGIN PM */
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+
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+/* USER CODE END PM */
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+
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+/* Private variables ---------------------------------------------------------*/
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+ADC_HandleTypeDef hadc1;
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+DMA_HandleTypeDef hdma_adc1;
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+
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+TIM_HandleTypeDef htim1;
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+TIM_HandleTypeDef htim3;
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+
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+UART_HandleTypeDef huart2;
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+DMA_HandleTypeDef hdma_usart2_rx;
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+DMA_HandleTypeDef hdma_usart2_tx;
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+
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+/* USER CODE BEGIN PV */
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+
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+/* USER CODE END PV */
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+
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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_DMA_Init(void);
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+static void MX_TIM3_Init(void);
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+static void MX_ADC1_Init(void);
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+static void MX_USART2_UART_Init(void);
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+static void MX_TIM1_Init(void);
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+/* USER CODE BEGIN PFP */
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+
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+/* USER CODE END PFP */
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+
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+/* Private user code ---------------------------------------------------------*/
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+/* USER CODE BEGIN 0 */
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+
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+/* USER CODE END 0 */
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+
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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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+
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+ /* USER CODE END 1 */
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+
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+ /* MCU Configuration--------------------------------------------------------*/
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+
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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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+
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+ /* USER CODE BEGIN Init */
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+
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+ /* USER CODE END Init */
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+
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+ /* Configure the system clock */
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+ SystemClock_Config();
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+
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+ /* USER CODE BEGIN SysInit */
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+
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+ /* USER CODE END SysInit */
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+
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+ /* Initialize all configured peripherals */
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+ MX_GPIO_Init();
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+ MX_DMA_Init();
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+ MX_TIM3_Init();
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+ MX_ADC1_Init();
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+ MX_USART2_UART_Init();
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+ MX_TIM1_Init();
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+ /* USER CODE BEGIN 2 */
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+
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+ USER_Init();
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+ /* USER CODE END 2 */
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+
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+ /* Infinite loop */
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+ /* USER CODE BEGIN WHILE */
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+ while (1)
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+ {
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+ USER_Main_Loop();
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+ /* USER CODE END WHILE */
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+
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+ /* USER CODE BEGIN 3 */
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+ }
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+ /* USER CODE END 3 */
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+}
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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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+
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+ /** Configure the main internal regulator output voltage
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+ */
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+ HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1);
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+
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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_HSI;
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+ RCC_OscInitStruct.HSIState = RCC_HSI_ON;
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+ RCC_OscInitStruct.HSIDiv = RCC_HSI_DIV1;
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+ RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
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+ RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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+ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
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+ RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV1;
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+ RCC_OscInitStruct.PLL.PLLN = 8;
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+ RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
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+ RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
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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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+
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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;
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+ RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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+ RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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+ RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
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+
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+ if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != 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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+/**
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+ * @brief ADC1 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_ADC1_Init(void)
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+{
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+
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+ /* USER CODE BEGIN ADC1_Init 0 */
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+
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+ /* USER CODE END ADC1_Init 0 */
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+
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+ ADC_ChannelConfTypeDef sConfig = {0};
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+
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+ /* USER CODE BEGIN ADC1_Init 1 */
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+
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+ /* USER CODE END ADC1_Init 1 */
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+
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+ /** Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)
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+ */
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+ hadc1.Instance = ADC1;
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+ hadc1.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV2;
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+ hadc1.Init.Resolution = ADC_RESOLUTION_12B;
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+ hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
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+ hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
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+ hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
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+ hadc1.Init.LowPowerAutoWait = DISABLE;
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+ hadc1.Init.LowPowerAutoPowerOff = DISABLE;
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+ hadc1.Init.ContinuousConvMode = DISABLE;
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+ hadc1.Init.NbrOfConversion = 1;
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+ hadc1.Init.DiscontinuousConvMode = ENABLE;
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+ hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
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+ hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
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+ hadc1.Init.DMAContinuousRequests = DISABLE;
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+ hadc1.Init.Overrun = ADC_OVR_DATA_PRESERVED;
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+ hadc1.Init.SamplingTimeCommon1 = ADC_SAMPLETIME_7CYCLES_5;
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+ hadc1.Init.SamplingTimeCommon2 = ADC_SAMPLETIME_7CYCLES_5;
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+ hadc1.Init.OversamplingMode = DISABLE;
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+ hadc1.Init.TriggerFrequencyMode = ADC_TRIGGER_FREQ_HIGH;
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+ if (HAL_ADC_Init(&hadc1) != HAL_OK)
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+ {
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+ Error_Handler();
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+ }
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+
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+ /** Configure Regular Channel
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+ */
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+ sConfig.Channel = ADC_CHANNEL_4;
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+ sConfig.Rank = ADC_REGULAR_RANK_1;
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+ sConfig.SamplingTime = ADC_SAMPLINGTIME_COMMON_1;
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+ if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
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+ {
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+ Error_Handler();
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+ }
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+ /* USER CODE BEGIN ADC1_Init 2 */
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+
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+ /* USER CODE END ADC1_Init 2 */
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+
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+}
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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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+
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+ /* USER CODE BEGIN TIM1_Init 0 */
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+
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+ /* USER CODE END TIM1_Init 0 */
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+
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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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+
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+ /* USER CODE BEGIN TIM1_Init 1 */
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+
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+ /* USER CODE END TIM1_Init 1 */
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+ htim1.Instance = TIM1;
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+ htim1.Init.Prescaler = 63;
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+ htim1.Init.CounterMode = TIM_COUNTERMODE_UP;
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+ htim1.Init.Period = 20000;
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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_ENABLE;
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+ if (HAL_TIM_PWM_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.MasterOutputTrigger2 = TIM_TRGO2_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_PWM1;
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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_PWM_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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+ if (HAL_TIM_PWM_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_2) != HAL_OK)
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+ {
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+ Error_Handler();
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+ }
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+ if (HAL_TIM_PWM_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_4) != 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.BreakFilter = 0;
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+ sBreakDeadTimeConfig.BreakAFMode = TIM_BREAK_AFMODE_INPUT;
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+ sBreakDeadTimeConfig.Break2State = TIM_BREAK2_DISABLE;
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+ sBreakDeadTimeConfig.Break2Polarity = TIM_BREAK2POLARITY_HIGH;
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+ sBreakDeadTimeConfig.Break2Filter = 0;
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+ sBreakDeadTimeConfig.Break2AFMode = TIM_BREAK_AFMODE_INPUT;
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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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+
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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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+
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+/**
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+ * @brief TIM3 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_TIM3_Init(void)
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+{
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+
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+ /* USER CODE BEGIN TIM3_Init 0 */
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+
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+ /* USER CODE END TIM3_Init 0 */
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+
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+ TIM_MasterConfigTypeDef sMasterConfig = {0};
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+ TIM_OC_InitTypeDef sConfigOC = {0};
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+
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+ /* USER CODE BEGIN TIM3_Init 1 */
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+
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+ /* USER CODE END TIM3_Init 1 */
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+ htim3.Instance = TIM3;
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+ htim3.Init.Prescaler = 63;
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+ htim3.Init.CounterMode = TIM_COUNTERMODE_UP;
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+ htim3.Init.Period = 20000;
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+ htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
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+ htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE;
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+ if (HAL_TIM_PWM_Init(&htim3) != 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(&htim3, &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 = 0;
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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(&htim3, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
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+ {
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+ Error_Handler();
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+ }
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+ if (HAL_TIM_PWM_ConfigChannel(&htim3, &sConfigOC, TIM_CHANNEL_2) != HAL_OK)
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+ {
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+ Error_Handler();
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+ }
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+ /* USER CODE BEGIN TIM3_Init 2 */
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+
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+ /* USER CODE END TIM3_Init 2 */
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+ HAL_TIM_MspPostInit(&htim3);
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+
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+}
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+
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+/**
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+ * @brief USART2 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_USART2_UART_Init(void)
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+{
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+
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+ /* USER CODE BEGIN USART2_Init 0 */
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+
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+ /* USER CODE END USART2_Init 0 */
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+
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+ /* USER CODE BEGIN USART2_Init 1 */
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+
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+ /* USER CODE END USART2_Init 1 */
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+ huart2.Instance = USART2;
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+ huart2.Init.BaudRate = 420000;
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+ huart2.Init.WordLength = UART_WORDLENGTH_8B;
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+ huart2.Init.StopBits = UART_STOPBITS_1;
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+ huart2.Init.Parity = UART_PARITY_NONE;
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+ huart2.Init.Mode = UART_MODE_TX_RX;
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+ huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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+ huart2.Init.OverSampling = UART_OVERSAMPLING_16;
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+ huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
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+ huart2.Init.ClockPrescaler = UART_PRESCALER_DIV1;
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+ huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
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+ if (HAL_UART_Init(&huart2) != HAL_OK)
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+ {
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+ Error_Handler();
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+ }
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+ /* USER CODE BEGIN USART2_Init 2 */
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+
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+ /* USER CODE END USART2_Init 2 */
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+
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+}
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+
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+/**
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+ * Enable DMA controller clock
|
|
|
+ */
|
|
|
+static void MX_DMA_Init(void)
|
|
|
+{
|
|
|
+
|
|
|
+ /* DMA controller clock enable */
|
|
|
+ __HAL_RCC_DMA1_CLK_ENABLE();
|
|
|
+
|
|
|
+ /* DMA interrupt init */
|
|
|
+ /* DMA1_Channel2_3_IRQn interrupt configuration */
|
|
|
+ HAL_NVIC_SetPriority(DMA1_Channel2_3_IRQn, 0, 0);
|
|
|
+ HAL_NVIC_EnableIRQ(DMA1_Channel2_3_IRQn);
|
|
|
+ /* DMA1_Ch4_5_DMAMUX1_OVR_IRQn interrupt configuration */
|
|
|
+ HAL_NVIC_SetPriority(DMA1_Ch4_5_DMAMUX1_OVR_IRQn, 0, 0);
|
|
|
+ HAL_NVIC_EnableIRQ(DMA1_Ch4_5_DMAMUX1_OVR_IRQn);
|
|
|
+
|
|
|
+}
|
|
|
+
|
|
|
+/**
|
|
|
+ * @brief GPIO Initialization Function
|
|
|
+ * @param None
|
|
|
+ * @retval None
|
|
|
+ */
|
|
|
+static void MX_GPIO_Init(void)
|
|
|
+{
|
|
|
+ GPIO_InitTypeDef GPIO_InitStruct = {0};
|
|
|
+
|
|
|
+ /* GPIO Ports Clock Enable */
|
|
|
+ __HAL_RCC_GPIOB_CLK_ENABLE();
|
|
|
+ __HAL_RCC_GPIOA_CLK_ENABLE();
|
|
|
+
|
|
|
+ /*Configure GPIO pins : SET_DEFAULT_Pin SET_FAILSAFE_Pin */
|
|
|
+ GPIO_InitStruct.Pin = SET_DEFAULT_Pin|SET_FAILSAFE_Pin;
|
|
|
+ GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
|
|
|
+ GPIO_InitStruct.Pull = GPIO_PULLUP;
|
|
|
+ HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
|
|
|
+
|
|
|
+}
|
|
|
+
|
|
|
+/* USER CODE BEGIN 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 */
|