/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2025 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 */
#include "stdio.h"
#include "string.h"
#include "stdint.h"
#include "stdlib.h"
/* 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 */
uint16_t Duty=100;
uint16_t Step=20;
uint8_t Mode = 0;
uint8_t key1Pressed = 0;
uint8_t RecBuf[100];
uint8_t RecBuf2[100];
uint8_t flag=0;
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */
void LED_contorl(unsigned char led_num,unsigned char led_on);
void Breath_led(void);
void Flow_led(void);
void Manual_led(void);
void Uart_led(void);
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/* 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_TIM3_Init();
MX_TIM4_Init();
MX_USART1_UART_Init();
/* USER CODE BEGIN 2 */
HAL_TIM_PWM_Start(&htim3,TIM_CHANNEL_3);
// HAL_UART_Receive_IT(&huart1, RecBuf2, 5);
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
switch(Mode){
case 1:Breath_led(); break;
case 2:Flow_led();
if(flag==1)
{
__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_3, 200);
for(int i=1;i<=8;i++)
{
HAL_GPIO_WritePin(GPIOC,GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15,GPIO_PIN_SET);
LED_contorl(i,1);
HAL_Delay(500);
}
}
break;
case 3:Manual_led(); break;
case 4:Uart_led();
break;
}
}
/* USER CODE END 3 */
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
/** Configure the main internal regulator output voltage
*/
HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1_BOOST);
/** 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 = RCC_PLLM_DIV6;
RCC_OscInitStruct.PLL.PLLN = 85;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
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_DIV1;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
{
Error_Handler();
}
/** Initializes the peripherals clocks
*/
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1;
PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK2;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
{
Error_Handler();
}
}
/* USER CODE BEGIN 4 */
void LED_contorl(unsigned char led_num,unsigned char led_on)
{
if(led_on){
HAL_GPIO_WritePin(GPIOC,GPIO_PIN_8 << (led_num-1),GPIO_PIN_RESET);
}
else
{
HAL_GPIO_WritePin(GPIOC,GPIO_PIN_8 << (led_num-1),GPIO_PIN_SET);
}
HAL_GPIO_WritePin(GPIOD,GPIO_PIN_2,GPIO_PIN_SET);
HAL_GPIO_WritePin(GPIOD,GPIO_PIN_2,GPIO_PIN_RESET);
}
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
if(GPIO_Pin==GPIO_PIN_0)
{
Mode=(Mode %4 )+1;
}
else if(GPIO_Pin==GPIO_PIN_1 &&Mode==3)
{
if(Duty > 0)
{
Duty -= Step;
__HAL_TIM_SET_COMPARE(&htim3,TIM_CHANNEL_3,Duty);
}
}
else if(GPIO_Pin==GPIO_PIN_2 &&Mode==3)
{
if(Duty < 200)
{
Duty += Step;
__HAL_TIM_SET_COMPARE(&htim3,TIM_CHANNEL_3,Duty);
}
}
}
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
if (htim->Instance == TIM4) {
flag=1;
}
}
void Breath_led(void)
{
for(Duty=0;Duty<=200;Duty=Duty+Step)
{
__HAL_TIM_SET_COMPARE(&htim3,TIM_CHANNEL_3,Duty);
HAL_Delay(200);
}
for (Duty = 200; Duty > 0; Duty -= Step)
{
__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_3, Duty);
HAL_Delay(100);
}
}
void Flow_led(void)
{
__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_3, 200);
HAL_Delay(1000);
HAL_GPIO_WritePin(GPIOC,GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15,GPIO_PIN_RESET);
HAL_TIM_Base_Start_IT(&htim4);
}
void Manual_led(void)
{
HAL_TIM_Base_Stop_IT(&htim4);
for(int i=2; i<=8; i++) {
LED_contorl(i, 0);
}
HAL_TIM_PWM_Start(&htim3, TIM_CHANNEL_3);
HAL_GPIO_WritePin(GPIOD,GPIO_PIN_2,GPIO_PIN_SET);
__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_3, Duty);
}
void Uart_led(void)
{
__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_3, 200);
HAL_UART_Receive_IT(&huart1,RecBuf2,5);
}
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
if(huart->Instance==USART1 && Mode==4)
{
if(RecBuf2[4]=='1')
{
// LED_contorl(2,1);
for(Duty=0;Duty<=200;Duty=Duty+Step)
{
__HAL_TIM_SET_COMPARE(&htim3,TIM_CHANNEL_3,Duty);
HAL_Delay(200);
}
for (Duty = 200; Duty > 0; Duty -= Step)
{
__HAL_TIM_SET_COMPARE(&htim3, TIM_CHANNEL_3, Duty);
HAL_Delay(100);
}
}
if(RecBuf2[4]=='2')
{
for(int i=1;i<=8;i++)
{
HAL_GPIO_WritePin(GPIOC,GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15,GPIO_PIN_SET);
LED_contorl(i,1);
HAL_Delay(500);
}
}
}
}
int fputc(int ch,FILE *f)
{
HAL_UART_Transmit(&huart1,(uint8_t *)&ch,1,HAL_MAX_DELAY);
return ch;
}
/* 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****/
为什么当我在串口输入mode2时里面的for循环没有执行