高级会员

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- 613
- 金钱
- 613
- 注册时间
- 2014-10-15
- 在线时间
- 144 小时
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谢谢。我生成了TMR11让PF7生成PWM波
代码如下:
- #include "main.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 ---------------------------------------------------------*/
- TIM_HandleTypeDef htim11;
- /* USER CODE BEGIN PV */
- /* USER CODE END PV */
- /* Private function prototypes -----------------------------------------------*/
- void SystemClock_Config(void);
- static void MX_GPIO_Init(void);
- static void MX_TIM11_Init(void);
- /* USER CODE BEGIN PFP */
- /* USER CODE END PFP */
- /* Private user code ---------------------------------------------------------*/
- /* USER CODE BEGIN 0 */
- /* USER CODE END 0 */
- long int i;
- /**
- * @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_TIM11_Init();
- /* USER CODE BEGIN 2 */
- /* USER CODE END 2 */
- /* Infinite loop */
- /* USER CODE BEGIN WHILE */
- while (1)
- {
- /* USER CODE END WHILE */
- HAL_GPIO_WritePin(GPIOB, GPIO_PIN_3, GPIO_PIN_RESET);
- //HAL_Delay(1000);
- for(i=0;i<500000;i++);
- HAL_GPIO_WritePin(GPIOB, GPIO_PIN_3, GPIO_PIN_SET);
- //HAL_Delay(1000);
- for(i=0;i<500000;i++);
- /* 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_HSI;
- RCC_OscInitStruct.HSIState = RCC_HSI_ON;
- RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
- RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
- 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_HSI;
- RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
- RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
- RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
- if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
- {
- Error_Handler();
- }
- }
- /**
- * @brief TIM11 Initialization Function
- * @param None
- * @retval None
- */
- static void MX_TIM11_Init(void)
- {
- /* USER CODE BEGIN TIM11_Init 0 */
- /* USER CODE END TIM11_Init 0 */
- TIM_OC_InitTypeDef sConfigOC = {0};
- /* USER CODE BEGIN TIM11_Init 1 */
- /* USER CODE END TIM11_Init 1 */
- htim11.Instance = TIM11;
- htim11.Init.Prescaler = 167;
- htim11.Init.CounterMode = TIM_COUNTERMODE_UP;
- htim11.Init.Period = 65535;
- htim11.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
- htim11.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE;
- if (HAL_TIM_Base_Init(&htim11) != HAL_OK)
- {
- Error_Handler();
- }
- if (HAL_TIM_PWM_Init(&htim11) != HAL_OK)
- {
- Error_Handler();
- }
- sConfigOC.OCMode = TIM_OCMODE_PWM1;
- sConfigOC.Pulse = 30000;
- sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
- sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
- if (HAL_TIM_PWM_ConfigChannel(&htim11, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
- {
- Error_Handler();
- }
- /* USER CODE BEGIN TIM11_Init 2 */
- /* USER CODE END TIM11_Init 2 */
- HAL_TIM_MspPostInit(&htim11);
- }
- /**
- * @brief GPIO Initialization Function
- * @param None
- * @retval None
- */
- static void MX_GPIO_Init(void)
- {
- GPIO_InitTypeDef GPIO_InitStruct = {0};
- /* USER CODE BEGIN MX_GPIO_Init_1 */
- /* USER CODE END MX_GPIO_Init_1 */
- /* GPIO Ports Clock Enable */
- __HAL_RCC_GPIOF_CLK_ENABLE();
- __HAL_RCC_GPIOH_CLK_ENABLE();
- __HAL_RCC_GPIOB_CLK_ENABLE();
- /*Configure GPIO pin Output Level */
- HAL_GPIO_WritePin(GPIOB, GPIO_PIN_3, GPIO_PIN_RESET);
- /*Configure GPIO pin : PB3 */
- GPIO_InitStruct.Pin = GPIO_PIN_3;
- GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
- GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
- HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
-
- GPIO_InitStruct.Pin = GPIO_PIN_7;
- GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
- GPIO_InitStruct.Pull = GPIO_NOPULL;
- GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
- HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
- /* USER CODE BEGIN MX_GPIO_Init_2 */
- /* USER CODE END MX_GPIO_Init_2 */
- }
- /* 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 */
复制代码 可是生不成PWM波
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