- /* USER CODE BEGIN Header */
- /**
- ******************************************************************************
- * [url=home.php?mod=space&uid=288409]@file[/url] : main.c
- * [url=home.php?mod=space&uid=247401]@brief[/url] : Main program body
- ******************************************************************************
- * @attention
- *
- * <h2><center>© Copyright (c) 2022 STMicroelectronics.
- * All rights reserved.</center></h2>
- *
- * This software component is licensed by ST under BSD 3-Clause license,
- * the "License"; You may not use this file except in compliance with the
- * License. You may obtain a copy of the License at:
- * opensource.org/licenses/BSD-3-Clause
- *
- ******************************************************************************
- */
- /* USER CODE END Header */
- /* Includes ------------------------------------------------------------------*/
- #include "main.h"
- #include "tim.h"
- #include "usart.h"
- #include "gpio.h"
- /* Private includes ----------------------------------------------------------*/
- /* USER CODE BEGIN Includes */
- /* USER CODE END Includes */
- /* Private typedef -----------------------------------------------------------*/
- /* USER CODE BEGIN PTD */
- /* USER CODE END PTD */
- /* Private define ------------------------------------------------------------*/
- /* USER CODE BEGIN PD */
- /* USER CODE END PD */
- /* Private macro -------------------------------------------------------------*/
- /* USER CODE BEGIN PM */
- /* USER CODE END PM */
- /* Private variables ---------------------------------------------------------*/
- /* USER CODE BEGIN PV */
- /* USER CODE END PV */
- /* Private function prototypes -----------------------------------------------*/
- void SystemClock_Config(void);
- /* USER CODE BEGIN PFP */
- /* USER CODE END PFP */
- /* Private user code ---------------------------------------------------------*/
- /* USER CODE BEGIN 0 */
- __IO uint16_t ChannelPulse = 0.5/20.0*(period+1);
- uint32_t s;
- /* USER CODE END 0 */
- /**
- * @brief The application entry point.
- * @retval int
- */
- int main(void)
- {
- /* USER CODE BEGIN 1 */
-
- /* USER CODE END 1 */
- /* MCU Configuration--------------------------------------------------------*/
- /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
- HAL_Init();
- /* USER CODE BEGIN Init */
- /* USER CODE END Init */
- /* Configure the system clock */
- SystemClock_Config();
- /* USER CODE BEGIN SysInit */
- /* USER CODE END SysInit */
- /* Initialize all configured peripherals */
- MX_GPIO_Init();
- MX_TIM4_Init();
- MX_USART1_UART_Init();
- /* USER CODE BEGIN 2 */
- HAL_TIM_PWM_Start(&htim4,TIM_CHANNEL_1);
- printf("start!");
-
- /* USER CODE END 2 */
- /* Infinite loop */
- /* USER CODE BEGIN WHILE */
- while (1)
- {
- /* 处理数据 */
- if (Key_Scan(KEY1_GPIO_Port, KEY1_Pin) == KEY_ON)
- {
- ChannelPulse -= 10; // 减少占空比
-
- ChannelPulse = 0.5/20.0*period > ChannelPulse ? 0.5/20.0*period : ChannelPulse; // 检查占空比的合法性
-
- __HAL_TIM_SET_COMPARE(&htim4,TIM_CHANNEL_1,ChannelPulse); // 设置占空比
- s = __HAL_TIM_GET_COMPARE(&htim4, TIM_CHANNEL_1);
- printf("%d\n",s);
- }
-
- /* 处理数据 */
- if (Key_Scan(KEY2_GPIO_Port, KEY2_Pin) == KEY_ON)
- {
- ChannelPulse += 10; // 增加占空比
-
- ChannelPulse = (2.5/20.0*period) < ChannelPulse ? (2.5/20.0*period) : ChannelPulse; // 检查占空比的合法性
-
- __HAL_TIM_SET_COMPARE(&htim4,TIM_CHANNEL_1,ChannelPulse); // 设置占空比
- s = __HAL_TIM_GET_COMPARE(&htim4, TIM_CHANNEL_1);
- printf("%d\n",s);
- }
-
-
- /* USER CODE END WHILE */
- /* USER CODE BEGIN 3 */
- }
- /* USER CODE END 3 */
- }
- /**
- * @brief System Clock Configuration
- * @retval None
- */
- void SystemClock_Config(void)
- {
- RCC_OscInitTypeDef RCC_OscInitStruct = {0};
- RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
- /** Configure the main internal regulator output voltage
- */
- __HAL_RCC_PWR_CLK_ENABLE();
- __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
- /** Initializes the RCC Oscillators according to the specified parameters
- * in the RCC_OscInitTypeDef structure.
- */
- RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
- RCC_OscInitStruct.HSEState = RCC_HSE_ON;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
- RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
- RCC_OscInitStruct.PLL.PLLM = 25;
- RCC_OscInitStruct.PLL.PLLN = 336;
- RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
- RCC_OscInitStruct.PLL.PLLQ = 4;
- if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
- {
- Error_Handler();
- }
- /** Initializes the CPU, AHB and APB buses clocks
- */
- RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
- |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
- RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
- RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
- RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
- RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
- if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
- {
- Error_Handler();
- }
- }
- /* 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 */
- /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
- /**
- ******************************************************************************
- * @file tim.c
- * @brief This file provides code for the configuration
- * of the TIM instances.
- ******************************************************************************
- * @attention
- *
- * <h2><center>© Copyright (c) 2022 STMicroelectronics.
- * All rights reserved.</center></h2>
- *
- * This software component is licensed by ST under BSD 3-Clause license,
- * the "License"; You may not use this file except in compliance with the
- * License. You may obtain a copy of the License at:
- * opensource.org/licenses/BSD-3-Clause
- *
- ******************************************************************************
- */
- /* Includes ------------------------------------------------------------------*/
- #include "tim.h"
- /* USER CODE BEGIN 0 */
- /* USER CODE END 0 */
- TIM_HandleTypeDef htim4;
- /* TIM4 init function */
- void MX_TIM4_Init(void)
- {
- TIM_ClockConfigTypeDef sClockSourceConfig = {0};
- TIM_MasterConfigTypeDef sMasterConfig = {0};
- TIM_OC_InitTypeDef sConfigOC = {0};
- htim4.Instance = TIM4;
- htim4.Init.Prescaler = prescaler;
- htim4.Init.CounterMode = TIM_COUNTERMODE_UP;
- htim4.Init.Period = period;
- htim4.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
- htim4.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
- if (HAL_TIM_Base_Init(&htim4) != HAL_OK)
- {
- Error_Handler();
- }
- sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
- if (HAL_TIM_ConfigClockSource(&htim4, &sClockSourceConfig) != HAL_OK)
- {
- Error_Handler();
- }
- if (HAL_TIM_PWM_Init(&htim4) != HAL_OK)
- {
- Error_Handler();
- }
- sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
- sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
- if (HAL_TIMEx_MasterConfigSynchronization(&htim4, &sMasterConfig) != HAL_OK)
- {
- Error_Handler();
- }
- sConfigOC.OCMode = TIM_OCMODE_PWM1;
- sConfigOC.Pulse = 0;
- sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
- sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
- if (HAL_TIM_PWM_ConfigChannel(&htim4, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
- {
- Error_Handler();
- }
- HAL_TIM_MspPostInit(&htim4);
- }
- void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* tim_baseHandle)
- {
- GPIO_InitTypeDef GPIO_InitStruct = {0};
- if(tim_baseHandle->Instance==TIM4)
- {
- /* USER CODE BEGIN TIM4_MspInit 0 */
- /* USER CODE END TIM4_MspInit 0 */
- /* TIM4 clock enable */
- __HAL_RCC_TIM4_CLK_ENABLE();
- __HAL_RCC_GPIOD_CLK_ENABLE();
- /**TIM4 GPIO Configuration
- PD13 ------> TIM4_CH2
- */
- GPIO_InitStruct.Pin = DUO2_Pin;
- GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
- GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
- GPIO_InitStruct.Alternate = GPIO_AF2_TIM4;
- HAL_GPIO_Init(DUO2_GPIO_Port, &GPIO_InitStruct);
- /* TIM4 interrupt Init */
- HAL_NVIC_SetPriority(TIM4_IRQn, 0, 0);
- HAL_NVIC_EnableIRQ(TIM4_IRQn);
- /* USER CODE BEGIN TIM4_MspInit 1 */
- /* USER CODE END TIM4_MspInit 1 */
- }
- }
- void HAL_TIM_MspPostInit(TIM_HandleTypeDef* timHandle)
- {
- GPIO_InitTypeDef GPIO_InitStruct = {0};
- if(timHandle->Instance==TIM4)
- {
- /* USER CODE BEGIN TIM4_MspPostInit 0 */
- /* USER CODE END TIM4_MspPostInit 0 */
- __HAL_RCC_GPIOD_CLK_ENABLE();
- /**TIM4 GPIO Configuration
- PD12 ------> TIM4_CH1
- */
- GPIO_InitStruct.Pin = GPIO_PIN_12;
- GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
- GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
- GPIO_InitStruct.Alternate = GPIO_AF2_TIM4;
- HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
- /* USER CODE BEGIN TIM4_MspPostInit 1 */
- /* USER CODE END TIM4_MspPostInit 1 */
- }
- }
- void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* tim_baseHandle)
- {
- if(tim_baseHandle->Instance==TIM4)
- {
- /* USER CODE BEGIN TIM4_MspDeInit 0 */
- /* USER CODE END TIM4_MspDeInit 0 */
- /* Peripheral clock disable */
- __HAL_RCC_TIM4_CLK_DISABLE();
- /**TIM4 GPIO Configuration
- PD12 ------> TIM4_CH1
- PD13 ------> TIM4_CH2
- */
- HAL_GPIO_DeInit(GPIOD, GPIO_PIN_12|DUO2_Pin);
- /* TIM4 interrupt Deinit */
- HAL_NVIC_DisableIRQ(TIM4_IRQn);
- /* USER CODE BEGIN TIM4_MspDeInit 1 */
- /* USER CODE END TIM4_MspDeInit 1 */
- }
- }
- /* USER CODE BEGIN 1 */
- /* USER CODE END 1 */
- /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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