标题: STM32F4 HAL_PWM测频程序 [打印本页]

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作者: zlkj    时间: 2024-10-8 16:09
标题: STM32F4 HAL_PWM测频程序

1. int main(void)
   
2. {
   
3.   /* USER CODE BEGIN 1 */
   
4.         uint8_t i=1;
   
5.   /* USER CODE END 1 */
   
6. 
   
7.   /* MCU Configuration----------------------------------------------------------*/
   
8. 
   
9.   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
   
10.   HAL_Init();
    
11. 
    
12.   /* USER CODE BEGIN Init */
    
13. 
    
14.   /* USER CODE END Init */
    
15. 
    
16.   /* Configure the system clock */
    
17.   SystemClock_Config();
    
18. 
    
19.   /* USER CODE BEGIN SysInit */
    
20. 
    
21.   /* USER CODE END SysInit */
    
22. 
    
23.   /* Initialize all configured peripherals */
    
24.   MX_GPIO_Init();
    
25.   MX_USART3_UART_Init();
    
26.   MX_USB_OTG_FS_PCD_Init();
    
27.   MX_TIM10_Init();
    
28.   MX_TIM2_Init();
    
29.   /* USER CODE BEGIN 2 */
    
30.         HAL_UART_Receive_IT(&huart3,&rxbuf,1);
    
31.         HAL_TIM_PWM_Start(&htim10,TIM_CHANNEL_1);
    
32.         HAL_TIM_IC_Start_IT(&htim2,TIM_CHANNEL_1);
    
33.         HAL_TIM_IC_Start_IT(&htim2,TIM_CHANNEL_2);
    
34.        
    
35. //        PWM_ChangeDuty(20);
    
36.   /* USER CODE END 2 */
    
37. 
    
38.   /* Infinite loop */
    
39.   /* USER CODE BEGIN WHILE */
    
40.   while (1)
    
41.   {
    
42. 
    
43.   /* USER CODE END WHILE */
    
44. 
    
45.   /* USER CODE BEGIN 3 */
    
46.         PWM_ChangeDuty(i);
    
47.         HAL_Delay(100);
    
48. //        PWM_ChangeDutyTest();
    
49.         printf("PWM_Freq is %.4f\n",Freq_Capture);
    
50.         printf("PWM_Duty is %.4f\n",PWM_Duty);
    
51.         i++;
    
52.         if(i>99)
    
53.         {
    
54.                 i=1;
    
55.         }
    
56.   }
    
57.   /* USER CODE END 3 */
    
58. 
    
59. }

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代码: STM32F4_PWM.7z (318.59 KB, 下载次数: 7)

2024-10-9 02:09 上传

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