标题: 基于STM32F103C8T6使用CUBEMX编写超声波测距源程序 [打印本页]
作者: doyoulikeme    时间: 2021-7-23 10:31
标题: 基于STM32F103C8T6使用CUBEMX编写超声波测距源程序
给需要学习CUBEMX编写超声波测距

单片机源程序如下:

  2. /* Includes ------------------------------------------------------------------*/
  3. #include "main.h"
  4. #include "tim.h"
  5. #include "usart.h"
  6. #include "gpio.h"

  8. /* Private includes ----------------------------------------------------------*/
  9. /* USER CODE BEGIN Includes */
  10. #include "stdio.h"
  11. #define TRIG_ON HAL_GPIO_WritePin(TRIG_GPIO_Port, TRIG_Pin, GPIO_PIN_SET);
  12. #define TRIG_OFF HAL_GPIO_WritePin(TRIG_GPIO_Port, TRIG_Pin, GPIO_PIN_RESET);
  13. /* USER CODE END Includes */

  15. /* Private typedef -----------------------------------------------------------*/
  16. /* USER CODE BEGIN PTD */
  17. float S1,S2,distance;
  18. /* USER CODE END PTD */

  20. /* Private define ------------------------------------------------------------*/
  21. /* USER CODE BEGIN PD */
  22. /* USER CODE END PD */

  24. /* Private macro -------------------------------------------------------------*/
  25. /* USER CODE BEGIN PM */

  27. /* USER CODE END PM */

  29. /* Private variables ---------------------------------------------------------*/

  31. /* USER CODE BEGIN PV */

  33. /* USER CODE END PV */

  35. /* Private function prototypes -----------------------------------------------*/
  36. void SystemClock_Config(void);
  37. /* USER CODE BEGIN PFP */

  39. /* USER CODE END PFP */

  41. /* Private user code ---------------------------------------------------------*/
  42. /* USER CODE BEGIN 0 */

  44. /* USER CODE END 0 */

  46. /**
  47.   * @brief  The application entry point.
  48.   * @retval int
  49.   */
  50. int main(void)
  51. {
  52.   /* USER CODE BEGIN 1 */

  54.   /* USER CODE END 1 */

  56.   /* MCU Configuration--------------------------------------------------------*/

  58.   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  59.   HAL_Init();

  61.   /* USER CODE BEGIN Init */

  63.   /* USER CODE END Init */

  65.   /* Configure the system clock */
  66.   SystemClock_Config();

  68.   /* USER CODE BEGIN SysInit */

  70.   /* USER CODE END SysInit */

  72.   /* Initialize all configured peripherals */
  73.   MX_GPIO_Init();
  74.   MX_TIM2_Init();
  75.   MX_USART1_UART_Init();
  76.   /* USER CODE BEGIN 2 */
  77.   HAL_TIM_Base_Start_IT(&htim2);
  78.   /* USER CODE END 2 */

  80.   /* Infinite loop */  
  81.   /* USER CODE BEGIN WHILE */
  82.   while (1)
  83.   {   
  84.                 htim2.Instance ->CNT =0;
  85.                 TRIG_OFF ;
  86.                 TRIG_ON ;
  87.                 HAL_Delay(1);
  88.                 TRIG_OFF ;
  89.                 while(HAL_GPIO_ReadPin(ECHO_GPIO_Port,ECHO_Pin)==0);
  90.                 S1= htim2.Instance ->CNT ;
  91.                 while(HAL_GPIO_ReadPin(ECHO_GPIO_Port,ECHO_Pin)==1) ;
  92.                 S2= htim2.Instance ->CNT ;
  93.                 distance=(S2-S1)*0.034/2;
  94.                 printf("Distance is : %0.1fmm\r\n",distance);
  95.                 HAL_Delay(500);
  96.     /* USER CODE END WHILE */
  97.    
  98.     /* USER CODE BEGIN 3 */
  99.   }
  100.   /* USER CODE END 3 */
  101. }

  103. /**
  104.   * @brief System Clock Configuration
  105.   * @retval None
  106.   */
  107. void SystemClock_Config(void)
  108. {
  109.   RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  110.   RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  112.   /** Initializes the RCC Oscillators according to the specified parameters
  113.   * in the RCC_OscInitTypeDef structure.
  114.   */
  115.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  116.   RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  117.   RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  118.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  119.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI_DIV2;
  120.   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  121.   if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  122.   {
  123.     Error_Handler();
  124.   }
  125.   /** Initializes the CPU, AHB and APB buses clocks
  126.   */
  127.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  128.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  129.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  130.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  131.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
  132.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  134.   if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
  135.   {
  136.     Error_Handler();
  137.   }
  138. }

  140. /* USER CODE BEGIN 4 */

  142. /* USER CODE END 4 */

  144. /**
  145.   * @brief  This function is executed in case of error occurrence.
  146.   * @retval None
  147.   */
  148. void Error_Handler(void)
  149. {
  150.   /* USER CODE BEGIN Error_Handler_Debug */
  151.   /* User can add his own implementation to report the HAL error return state */
  152.   __disable_irq();
  153.   while (1)
  154.   {
  155.   }
  156.   /* USER CODE END Error_Handler_Debug */
  157. }

  159. #ifdef  USE_FULL_ASSERT
  160. /**
  161.   * @brief  Reports the name of the source file and the source line number
  162.   *         where the assert_param error has occurred.
  163.   * @param  file: pointer to the source file name
  164.   * @param  line: assert_param error line source number
  165.   * @retval None
  166.   */
  167. void assert_failed(uint8_t *file, uint32_t line)
  168. {
  169.   /* USER CODE BEGIN 6 */
  170.   /* User can add his own implementation to report the file name and line number,
  171.      ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  172.   /* USER CODE END 6 */
  173. }
  174. #endif /* USE_FULL_ASSERT */

  176. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
复制代码

Keil代码下载:
CHB5.7z (260.09 KB, 下载次数: 38)

作者: 非尘    时间: 2022-4-10 20:30
谁能根据作者的程序画一个仿真图吗?




欢迎光临 (http://www.51hei.com/bbs/) Powered by Discuz! X3.1