基于32单片机的博物馆安全监控系统设计

news2024/12/23 6:01:31

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

检测分别是温湿度光照 PM2.5、烟雾、红外，然后用OLED屏幕显示，
红外超过阈值则蜂鸣器报警，这是防盗报警；温度或烟雾超过阈值，则蜂鸣器也报警，
并且继电器驱动电机转动进行撒水，这是火灾预警；电压超过阈值，则所有模块包括显示屏全部熄灭，系统不起作用，这是过载保护。

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 LED1(a) (a?HAL_GPIO_WritePin(LED1_GPIO_Port, LED1_Pin, GPIO_PIN_RESET):HAL_GPIO_WritePin(LED1_GPIO_Port, LED1_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[6];									//adc数值的存储数组

uint16_t temp,humi;										//温湿度
uint16_t pm2,gz,hw,yw,dy;						
uint16_t pwyz=60,gzyz=60,hwyz=60,ywyz=60,dyyz=60,WDYZ=300,SDYZ = 700;		
uint8_t flag_led,flag_beep;						//灯、报警标志位

uint16_t time_num;
static int flag = 0;

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、烟雾浓度、一氧化碳、甲烷、光照强度函数
	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<5;adc_ch++){
    //分别存放通道1、2、3、4、5的ADC值
      adc_buf[adc_ch]=dong_get_adc();
		}

	pm2=adc_buf[0]/4096.00*100;
	gz=adc_buf[1]/4096.00*100;
	hw=adc_buf[2]/4096.00*100;
	yw=adc_buf[3]/4096.00*100;
  dy=adc_buf[4]/4096.00*100;
	
	
}


/****
*******显示函数
*****/
void Display_function(void)
{

	
	//第一行
	Oled_ShowString(0,0,"PM2.5:");
	OLED_ShowNum(48,0,pm2,2,16);
	
	Oled_ShowCHinese(64,0,"光照:");
	Oled_ShowString(96,0,":");
	OLED_ShowNum(104,0,gz,2,16);
	
		//第二行
	Oled_ShowCHinese(0,2,"红外");
	Oled_ShowString(32,2,":");
	OLED_ShowNum(40,2,hw,2,16);
	
	Oled_ShowCHinese(64,2,"烟雾:");
	Oled_ShowString(96,2,":");
	OLED_ShowNum(104,2,yw,2,16);
	
	//第三行
	Oled_ShowCHinese(0,4,"电压");
	Oled_ShowString(32,4,":");
	OLED_ShowNum(40,4,dy,2,16);

 //第四行
	OLED_Show_Temp(0,6,temp);
	Oled_ShowCHinese(64,6,"湿度");
	Oled_ShowString(96,6,":");
	OLED_Show_Humi(96,6,humi/10);
		
}


/****
*******处理函数
*****/
void Manage_function(void)
{
	if(hw > hwyz)   //温度大于温度MAX
	{
		flag_beep=1;
		Oled_ShowCHinese(64,4,"有人");
	}
	else{
		Oled_ShowCHinese(64,4,"无人");
	}
	
	if(yw > ywyz)   //温度大于温度MAX
	{
		flag_beep=1;
		flag_led = 1;
	}
	
  
		if(temp > WDYZ)   //温度大于温度MAX
	{
		flag_led=1;
		flag_beep=1;
	}
  
	if(dy>dyyz)
	{
		flag = 1;
	}

	
	if(humi > SDYZ)   //温度大于温度MAX
	{
		flag_led=1;
		flag_beep=1;
	}
	
	
	if(hw < hwyz  && yw < ywyz && dy < dyyz  && temp < WDYZ )
	{
		flag_led=0;
		flag_beep=0;
	}
 
	if(gz < gzyz)
	{
		LED1(1);
	}
	else
	{
		LED1(0);
	}
	
  if(flag_beep==1)
    BEEP(1);
  else
    BEEP(0);
  if(flag_led==1)
    LED(1);
  else
    LED(0);
}


int main(void)
{
  HAL_Init();
  SystemClock_Config();
  MX_GPIO_Init();
  MX_ADC1_Init();
  OLED_Init();									//OLED初始化
  OLED_Clear();									//OLED清屏
  while (1)
  {
   if(flag == 0)
	 {
		Monitor_function();					//监测函数
		Display_function();					//显示函数
		Manage_function();					//处理函数
		HAL_Delay(10);
	 }
	 else if(flag == 1){
		  OLED_Clear();									//OLED清屏
	 }

  } 
}

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 */