329 lines
9.1 KiB
C
329 lines
9.1 KiB
C
/* USER CODE BEGIN Header */
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/**
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******************************************************************************
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* @file TIM/TIM_PWMOutput/Src/main.c
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* @author MCD Application Team
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* @brief This sample code shows how to use STM32WLxx TIM HAL API to generate
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* 4 signals in PWM.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2020 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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/* 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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TIM_HandleTypeDef htim1;
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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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void SystemClock_Config(void);
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static void MX_GPIO_Init(void);
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static void MX_TIM1_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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/* STM32WLxx HAL library initialization:
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- Configure the Flash prefetch
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- Systick timer is configured by default as source of time base, but user
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can eventually implement his proper time base source (a general purpose
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timer for example or other time source), keeping in mind that Time base
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duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
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handled in milliseconds basis.
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- Set NVIC Group Priority to 4
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- Low Level Initialization
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*/
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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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/* Configure LED3 */
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BSP_LED_Init(LED3);
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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_TIM1_Init();
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/* USER CODE BEGIN 2 */
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/*## Start PWM signals generation #######################################*/
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/* Start channel 1 */
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if (HAL_TIM_PWM_Start(&htim1, TIM_CHANNEL_1) != HAL_OK)
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{
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/* PWM Generation Error */
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Error_Handler();
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}
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/* Start channel 2 */
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if (HAL_TIM_PWM_Start(&htim1, TIM_CHANNEL_2) != HAL_OK)
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{
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/* PWM Generation Error */
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Error_Handler();
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}
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/* Start channel 3 */
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if (HAL_TIM_PWM_Start(&htim1, TIM_CHANNEL_3) != HAL_OK)
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{
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/* PWM generation Error */
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Error_Handler();
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}
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/* Start channel 4 */
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if (HAL_TIM_PWM_Start(&htim1, TIM_CHANNEL_4) != HAL_OK)
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{
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/* PWM generation Error */
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Error_Handler();
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}
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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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while (1)
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{
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/* USER CODE END WHILE */
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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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* @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_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
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/** Initializes the CPU, AHB and APB buses clocks
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
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RCC_OscInitStruct.MSIState = RCC_MSI_ON;
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RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
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RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_11;
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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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/** Configure the SYSCLKSource, HCLK, PCLK1 and PCLK2 clocks dividers
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*/
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK3|RCC_CLOCKTYPE_HCLK
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|RCC_CLOCKTYPE_SYSCLK|RCC_CLOCKTYPE_PCLK1
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|RCC_CLOCKTYPE_PCLK2;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_MSI;
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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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RCC_ClkInitStruct.AHBCLK3Divider = RCC_SYSCLK_DIV1;
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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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* @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_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 = PRESCALER_VALUE;
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htim1.Init.CounterMode = TIM_COUNTERMODE_UP;
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htim1.Init.Period = PERIOD_VALUE;
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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_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 = PULSE1_VALUE;
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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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sConfigOC.Pulse = PULSE2_VALUE;
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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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sConfigOC.Pulse = PULSE3_VALUE;
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if (HAL_TIM_PWM_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_3) != HAL_OK)
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{
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Error_Handler();
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}
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sConfigOC.Pulse = PULSE4_VALUE;
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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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/* 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 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 Ports Clock Enable */
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__HAL_RCC_GPIOA_CLK_ENABLE();
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}
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/* USER CODE BEGIN 4 */
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/* USER CODE END 4 */
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/**
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* @brief This function is executed in case of error occurrence.
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* @retval None
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*/
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void Error_Handler(void)
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{
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/* USER CODE BEGIN Error_Handler_Debug */
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/* Turn LED3 on */
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BSP_LED_On(LED3);
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while(1)
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{
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}
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/* USER CODE END Error_Handler_Debug */
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}
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#ifdef USE_FULL_ASSERT
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/**
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* @brief Reports the name of the source file and the source line number
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* where the assert_param error has occurred.
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* @param file: pointer to the source file name
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* @param line: assert_param error line source number
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* @retval None
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*/
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void assert_failed(uint8_t *file, uint32_t line)
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{
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/* USER CODE BEGIN 6 */
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/* User can add his own implementation to report the file name and line number,
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ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
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/* Infinite loop */
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while (1)
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{
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}
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/* USER CODE END 6 */
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}
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#endif /* USE_FULL_ASSERT */
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