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基于STM32的温度、电流、电压检测proteus仿真系统（OLED、DHT11、继电器、电机）

article 2024/11/16 8:45:56

一、主要功能

二、硬件资源

三、程序编程

四、实现现象

一、主要功能

基于STM32F103C8T6 采用DHT11读取温度、滑动变阻器模拟读取电流、电压。
通过OLED屏幕显示，设置电流阈值为80，电流小阈值为50，电压阈值为60，温度阈值为30
随便哪个超过预祝，则继电器切断，LED灯灭掉，若电流小于50，则屏幕清屏，表示待机。

二、硬件资源

基于KEIL5编写C++代码，PROTEUS8.15进行仿真，全部资源在页尾，提供安装包。

三、程序编程

#include "main.h"
#include "adc.h"
#include "gpio.h"

#include "./HAL/key/key.h"
#include "./HAL/OLED/OLED_NEW.H"
#include "./HAL/dht11/dht11.h"


void Monitor_function(void);						//监测函数
void Display_function(void);						//显示函数
void Manage_function(void);							//处理函数

#define LED(a) (a?HAL_GPIO_WritePin(LED_GPIO_Port, LED_Pin, GPIO_PIN_RESET):HAL_GPIO_WritePin(LED_GPIO_Port, LED_Pin, GPIO_PIN_SET)) 

#define BEEP(a) (a?HAL_GPIO_WritePin(BEEP_GPIO_Port, BEEP_Pin, GPIO_PIN_RESET):HAL_GPIO_WritePin(BEEP_GPIO_Port, BEEP_Pin, GPIO_PIN_SET)) 



uint8_t adc_ch;   										//adc的个数
uint32_t adc_buf[4];									//adc数值的存储数组

uint16_t temp,humi;										//温湿度
uint16_t dl,dy,wdnum;						//电流 电压  温度
uint16_t dlmin=50,dlmax=80,dymax=60,wdmax=300;			 //电流最小50 最大80 电压最大60 温度最大30
uint8_t flag_led,flag_beep;						//灯、报警标志位
uint16_t time_num;
static int mode=0; 
/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);

uint16_t dong_get_adc(){
    //开启ADC1
  HAL_ADC_Start(&hadc1);
    //等待ADC转换完成，超时为100ms
    HAL_ADC_PollForConversion(&hadc1,100);
    //判断ADC是否转换成功
    if(HAL_IS_BIT_SET(HAL_ADC_GetState(&hadc1),HAL_ADC_STATE_REG_EOC)){
         //读取值
       return HAL_ADC_GetValue(&hadc1);
    }
    return 0;
}


/****
*******监测函数
*****/
void Monitor_function(void)
{

	DHT11_Read_TempAndHumidity(&DHT11_Data);//调用获取温湿度、电流、电压
	temp = DHT11_Data.temperature; 					//获取温度
	humi = DHT11_Data.humidity;    					//获取湿度
	
	//将获取的值存储到adc_buf中
		for(adc_ch=0;adc_ch<4;adc_ch++){
    //分别存放通道1、2、3、4的ADC值
      adc_buf[adc_ch]=dong_get_adc();
		}

	dl=adc_buf[0]/4096.00*100;  //电流
	dy=adc_buf[3]/4096.00*100;  //电压

	
}


/****
*******显示函数
*****/
void Display_function(void)
{
	 //第一行
			Oled_ShowCHinese(0,0,"电流");
			Oled_ShowString(32,0,":");
			OLED_ShowNum(40,0,dl,2,16);

			Oled_ShowCHinese(64,0,"电压");
			Oled_ShowString(96,0,":");
			OLED_ShowNum(104,0,dy,2,16);
	
	 //第二行
	    Oled_ShowCHinese(0,2,"温度");  
	    Oled_ShowString(32,2,":");
	    OLED_Show_Temp(40,2,temp);

		 //第三行
//			Oled_ShowCHinese(0,4,"湿度");
//			Oled_ShowString(32,4,":");
//			OLED_Show_Humi(40,4,humi/10);
					

}


/****
*******处理函数
*****/
void Manage_function(void)
{
	if(dl > dlmax)					//电流超过电流MAX 
  {
    flag_led=0;
		flag_beep=1;
  }

  if(dy> dymax )								//电压大于电压MAX
  {
    flag_led=0;
		flag_beep=1;
  }
	
	if(temp>wdmax)   //温度大于温度MAX
	{
		flag_led=0;
		flag_beep=1;
	}
  
	if(dl>dlmin && dl < dlmax && dy < dymax  && temp < wdmax)
	{
		flag_led=1;
		flag_beep=0;
	}
	
	if(dl<dlmin)
	{
		mode = 1;
	}
	
		 
		
  if(flag_beep==1)
    BEEP(1);
  else
    BEEP(0);
  if(flag_led==1)
    LED(1);
  else
    LED(0);
}

/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{

  HAL_Init();

  SystemClock_Config();

  MX_GPIO_Init();  //GPIO口设置
  MX_ADC1_Init();  //ADC转换

  OLED_Init();									//OLED初始化
  OLED_Clear();									//OLED清屏
	flag_led = 0;
  while (1)
  {
		if(mode == 0)
		{
		Monitor_function();					//监测函数
		Display_function();					//显示函数
		Manage_function();					//处理函数
		}
		else
		{
			OLED_Clear();									//OLED清屏
		}

		HAL_Delay(10);
		time_num++;
		if(time_num >= 5000)
			time_num = 0;
  }
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

  /** 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_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI_DIV2;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL4;
  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_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
  {
    Error_Handler();
  }
  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
  PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV2;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != 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 */