基于51单片机的自动窗户控制系统风速测量proteus仿真原理图PCB

功能介绍：
0.本系统采用STC89C52作为单片机
1.系统实时监测当前的雨滴、温湿度、风速，烟雾浓度
2.支持手动/自动两种模式
3.自动模式下
窗户关闭状态下，当烟雾浓度超过阈值，打开窗户，或者环境均在阈值范围以内，打开窗户。其中烟雾浓度过高的情况，蜂鸣器将报警，并需要手动解除报警
窗户开启状态下，当窗户外有人或温湿度超过阈值或风速过高，窗户关闭。其中窗户外有人的情况，蜂鸣器将报警，并需要手动解除报警
4.按键可设定阈值，手动控制窗户，切换工作模式
5.采用DC002作为电源接口可直接输入5V给整个系统供电

原理图：

PCB：

主程序：

#include "main.h"

/*******************变量定义*********************/
enum _MODE_DF_ dispMode;
bit modeFlag = AUTO; //模式标记
uchar motorFlag = 0; //标记当前控制状态，=0已关闭，=1过程中，=2已打开
bit motorDir = 1;
bit alarmFlag = 0; //报警标志
char motorCnt=0;

uchar setIndex = 0;
uint humidity; //湿度
uint temperature; //温度
uint gas;    //气体
uint rain;    //雨滴
uint windSpeed; //风速

//阈值设定
uint hmMin= 25;
uint hmMax= 50;

uint tempMin = 25;
uint tempMax = 40;

uint gasMin = 30;
uint gasMax = 60;

uint rainMin = 30;
uint rainMax = 60;

uint windSpeedMin = 5;
uint windSpeedMax = 20;


bit dispFlag = 0;

char dis[16];

/********************************************************
函数名称:void mian()
函数作用:主函数
参数说明:
********************************************************/
void main()
{
    modeFlag = MANUAL;

    Timer0_Init(); //初始化定时器0

    LCD_Init();   //初始化液晶
    DelayMs(200); //延时有助于稳定
    LCD_DispStr(4, 0, "Welcome!");
    LCD_Clear();  //清屏


    BYJ48 = ((BYJ48 & 0xF0) | REV[0]); //取数据
	ULN_DQ3 = BIT3; ULN_DQ2 = BIT2; ULN_DQ1 = BIT1; ULN_DQ0 = BIT0;


    while (1) //死循环
    {
        if (dispFlag == 1)
        {
            dispFlag = 0;

            if (dispMode == NORMAL)
            {
                DispNormal();
            }
        }

        if (modeFlag == AUTO)
        {
            
            if (motorFlag == 0 || motorFlag == 1) //已关闭或关闭状态中，优先处理气体浓度高的情况
            {
                if (gas > gasMax) //气体浓度过高，打开窗户
                {
                    motorFlag = 1;
                    motorDir = 0;
                    alarmFlag = 1; //报警标志
                    modeFlag = MANUAL; //切换至手动模式
                }
                else
                {
                    if (IR_PIN == 0) //窗外有物体
                    {

                    }
                    else
                    {
                        if (rain > rainMax) //大于设定雨滴阈值
                        {

                        }
                        else
                        {
                            if (humidity > hmMax || temperature > tempMax) //温湿度过高
                            {

                            }
                            else
                            {
                                if (windSpeed > windSpeedMax) //风速过高
                                {

                                }
                                else //只有这种情况打开窗户
                                {
                                    motorFlag = 1; //打开窗户
                                    motorDir = 0;
                                }
                            }
                        }
                    }
                }
            }
            else if (motorFlag == 2 || motorFlag == 1) //已打开或打开状态中
            {
                if (IR_PIN == 0) //窗外有物体，关闭窗户
                {
                    motorFlag = 1;
                    motorDir = 1;
                    alarmFlag = 1; //报警标志
                    modeFlag = MANUAL; //切换至手动模式
                }
                else
                {
                    if (rain > rainMax) //大于设定雨滴阈值
                    {
                        motorFlag = 1;
                        motorDir = 1;
                    }
                    else
                    {
                        if (humidity > hmMax || temperature > tempMax) //温湿度过高
                        {
                            motorFlag = 1;
                            motorDir = 1;
                        }
                        else
                        {
                            if (windSpeed > windSpeedMax) //风速过高
                            {
                                motorFlag = 1;
                                motorDir = 1;
                            }
                        }
                    }
                }
            }
        }

        if (alarmFlag == 1)
        {
            BUZZER = ON;
        }
        else
        {
            BUZZER = OFF;
        }

        KeyProcess();
    }   
}

/*------------------------------------------------
                    定时器初始化子程序
------------------------------------------------*/
void Timer0_Init(void)
{
    TMOD |= 0x01; //使用模式1，16位定时器，使用"|"符号可以在使用多个定时器时不受影响
	TL0 = 0x66;		//设置定时初始值
	TH0 = 0xFC;		//设置定时初始值 1ms
    EA = 1;  //总中断打开
    ET0 = 1; //定时器中断打开
    TR0 = 1; //定时器开关打开
}
/*------------------------------------------------
                定时器中断子程序
------------------------------------------------*/
void Timer0_Interrupt(void) interrupt 1
{
    static unsigned int time1ms  = 0;
	TL0 = 0x66;		//设置定时初始值
	TH0 = 0xFC;		//设置定时初始值 1ms
    time1ms++;

    if (time1ms > 500)
    {
        dispFlag = 1; //显示标志
        time1ms = 0;
    }

    if (motorFlag == 1)
    {
        if (motorDir == 1) //启动关闭
        {
            motorCnt++;
            if (motorCnt >= 8)
            {
                motorCnt = 0;
            }
            BYJ48 = ((BYJ48 & 0xF0) | REV[motorCnt % 8]); //取数据
			ULN_DQ3 = BIT3; ULN_DQ2 = BIT2; ULN_DQ1 = BIT1; ULN_DQ0 = BIT0;
            if (LIMIT_SWITCH1 == 0) //触碰到限位开关1
            {
                motorFlag = 0; //已关闭
            }
        }
        else //启动打开
        {
            if (motorCnt <= 0)
            {
                motorCnt = 8;
            }
            motorCnt--;
            BYJ48 = ((BYJ48 & 0xF0) | REV[motorCnt % 8]); //取数据
			ULN_DQ3 = BIT3; ULN_DQ2 = BIT2; ULN_DQ1 = BIT1; ULN_DQ0 = BIT0;
            if (LIMIT_SWITCH2 == 0) //触碰到限位开关2
            {
                motorFlag = 2; //已打开
            }
        }
    }
}

void DispNormal(void)
{
    unsigned char gasBuf = 0;

    DHT11_0_ReadData();
    humidity = U8RH_data_H; //读取湿度
    temperature = U8T_data_H; //读取温度
    sprintf(dis, "H:%2d%% T:%2d", humidity, temperature);
    LCD_DispStr(0, 0, dis);
    LCD_DispOneChar(10, 0, 0xdf);
    LCD_DispOneChar(11, 0, 'C');
    LCD_DispOneChar(12, 0, ' ');

    if (modeFlag == AUTO)
    {
        LCD_DispOneChar(13, 0, 'Z');
    }
    else
    {
        LCD_DispOneChar(13, 0, 'S');
    }

    if (motorFlag == 0)
    {
        LCD_DispOneChar(14, 0, 'G');
    }
    else if (motorFlag == 1)
    {
        LCD_DispOneChar(14, 0, 'Y');
    }
    else
    {
        LCD_DispOneChar(14, 0, 'K');
    }

    gasBuf = ReadADC(AIN1_GND);
    if (gasBuf <= 29)
    {
        gasBuf = 29;
    }
    gas = (100 * (gasBuf-29)) / 227; //计算有害气体浓度百分比

    rain = 100 - 100 * ReadADC(AIN0_GND) / 255; //读取雨滴百分比
    windSpeed = 6 * 5 * ReadADC_1(AIN1_GND) / 255; //读取风速,6m/s/V
    sprintf(dis, "S:%3d R:%3d W:%2d", gas, rain, windSpeed);
    LCD_DispStr(0, 1, dis);

}

/************************* 设置湿度阈值 *************************/
void DispSetHm(unsigned char setIndex)
{

    LCD_DispStr(0, 0, "  Set Humidity  ");
    sprintf(dis, "  H:%2d%% L:%2d%%  ", hmMax, hmMin);
    LCD_DispStr(0, 1, dis);
    
    switch (setIndex)
    {
        case 1: LCD_SetCursor(5, 1, 1); break;
        case 2: LCD_SetCursor(11, 1, 1); break;
        default:;
    } 
}

/************************* 设置温度阈值 *************************/
void DispSetTemp(unsigned char setIndex)
{

    LCD_DispStr(0, 0, "Set Temperature ");
    sprintf(dis, "  H:%3d L:%3d  ", tempMax, tempMin);
    LCD_DispStr(0, 1, dis);
    
    switch (setIndex)
    {
        case 1: LCD_SetCursor(6, 1, 1); break;
        case 2: LCD_SetCursor(12, 1, 1); break;
        default:;
    } 
}

/************************* 设置气体阈值 *************************/
void DispSetGas(unsigned char setIndex)
{

    LCD_DispStr(0, 0, "  Set GasLimit  ");
    sprintf(dis, "  H:%2d%% L:%2d%%  ", gasMax, gasMin);
    LCD_DispStr(0, 1, dis);
    
    switch (setIndex)
    {
        case 1: LCD_SetCursor(5, 1, 1); break;
        case 2: LCD_SetCursor(11, 1, 1); break;
        default:;
    } 
}

/************************* 设置雨滴阈值 *************************/
void DispSetRain(unsigned char setIndex)
{

    LCD_DispStr(0, 0, "  Set RainLimit ");
    sprintf(dis, "  H:%2d%% L:%2d%%  ", rainMax, rainMin);
    LCD_DispStr(0, 1, dis);
    
    switch (setIndex)
    {
        case 1: LCD_SetCursor(5, 1, 1); break;
        case 2: LCD_SetCursor(11, 1, 1); break;
        default:;
    } 
}

/************************* 设置风速阈值 *************************/
void DispSetWindSpeed(unsigned char setIndex)
{

    LCD_DispStr(0, 0, " Set SpeedLimit ");
    sprintf(dis, "  H:%2d  L:%2d   ", windSpeedMax, windSpeedMin);
    LCD_DispStr(0, 1, dis);
    
    switch (setIndex)
    {
        case 1: LCD_SetCursor(5, 1, 1); break;
        case 2: LCD_SetCursor(11, 1, 1); break;
        default:;
    } 
}

仿真演示视频：
https://www.bilibili.com/video/BV1yR4y1w7fb/

实物演示视频：
https://www.bilibili.com/video/BV1FU4y1271z/