功能介绍：
0.本系统采用STC89C52作为单片机
1.LCD1602实时显示当前环境温湿度，烟雾浓度，室外是否下雨
2.按键可设定烟雾浓度，环境温湿度阈值，雨滴检测阈值
3.当环境适宜时，打开窗户，当外面下雨时，关闭窗户
4.当室内烟雾浓度超过设定阈值时，无论如何都将打开窗户
5.可手动控制窗户开关状态
6.可通过WIFI控制窗户开关状态
*1O# 表示打开窗户
*1C# 表示关闭窗户
WIFI控制窗户后，进入手动模式
*1A# 表示可恢复自动模式
*1M# 表示可进入手动模式
原理图：
PCB：
主程序：
#include <reg52.h>#include <intrins.h>#include <stdio.h>#include "delay.h"#include "dht11.h"#include "lcd1602.h"#include "tlc0832.h"#include "28BYJ48.h"sbit KEY_SWITCH = P3^5; //确认按键sbit KEY_SET = P3^3; //设置按键sbit KEY_ADD = P3^4; //加按键sbit KEY_SUB = P3^6; //减按键#define ON 0#define OFF 1enum {NORMAL=1, SET_TEMP, SET_HM, SET_SMOG} DispMode;unsigned char dis0[18]; //数组暂存unsigned char R_buf[4];bit refreshFlag = 0;bit setFlag = 0; //设置标志bit setIndex = 0;bit autoFlag = 1;bit openFlag = 0;bit rainFlag = 0;int temp = 0;int humidity = 0;int smogConc = 0;int minTemp = 20;int maxTemp = 35;int minEvHm = 35;int maxEvHm = 85;int maxSmogConc = 30;int water = 0;unsigned char motorDir = 0;void Timer0_Init(); //函数声明void UART_Init();void UART_SendByte(unsigned char dat);void UART_SendStr(unsigned char *s, unsigned char length);void DispNormal(void);void DispSetTemp(setFlag, setIndex);void DispSetHm(setFlag, setIndex);void DispSetSmog(setFlag, setIndex);void WindowCtrl(void);void MotorCtrl(void);void KeyScan(void);void main(){Timer0_Init(); //定时器0初始化LCD_Init(); //LCD初始化LCD_Clear();LCD_DispStr(4, 0, "Welcome!");DelayS(1); //等待WIFI启动UART_Init(); //串口初始化UART_SendStr("AT+CIPMUX=1\r\n", 13); //打开多连接DelayS(1);UART_SendStr("AT+CIPSERVER=1,8080\r\n", 21); //建立服务 端口号为8080DelayS(1);DispMode = NORMAL;while (1) //主循环{if (refreshFlag == 1) //刷新数据标志{static unsigned char cnt = 0;refreshFlag = 0;//检测数据TR0 = 0; //关总中断if (cnt % 5 == 0){DHT11_ReadData(); //检测温湿度temp = U8T_data_H;humidity = U8RH_data_H;}smogConc = 100 * ReadADC(AIN1_GND) / 255; //检测烟雾浓度if (smogConc < 0){smogConc = 0;}else if (smogConc > 99){smogConc = 99;}water = 100 - 100 * ReadADC(AIN0_GND) / 255; //检测雨滴if (water >= 10){rainFlag = 1;}else{rainFlag = 0;}WindowCtrl();if (DispMode == NORMAL){DispNormal();}else if (DispMode == SET_TEMP){DispSetTemp(setFlag, setIndex);}else if (DispMode == SET_HM){DispSetHm(setFlag, setIndex);}else if (DispMode == SET_SMOG){DispSetSmog(setFlag, setIndex);}TR0 = 1; //开总中断if (cnt >= 10) // 5秒发送一次{cnt = 0;// WIFI发送数据UART_SendStr("AT+CIPSEND=0,35\r\n", 17); //发送AT命令DelayMs(100);sprintf(dis0, "Temp:%02d'C Hm:%02d%% \r\n", temp, humidity);UART_SendStr(dis0, 19); //发送内容if (autoFlag == 1)//自动模式{sprintf(dis0, "Smog:%3d%% A ", smogConc);}else{sprintf(dis0, "Smog:%3d%% M ", smogConc);}UART_SendStr(dis0, 12); //发送内容if (openFlag == 1){UART_SendStr("O ", 2); //发送内容}else{UART_SendStr("C ", 2); //发送内容}if (rainFlag == 1){UART_SendStr("YY\r\n", 3); //发送内容}else{UART_SendStr("WY\r\n", 3); //发送内容}}else{cnt++;}}EA = 0;MotorCtrl();EA = 1;KeyScan();}}void WindowCtrl(void){static bit Flag1 = 0;static bit Flag2 = 0;static bit Flag3 = 0;static bit openFlagBuf = 0;if (autoFlag == 1){if (smogConc >= maxSmogConc) //烟雾浓度过高{Flag1 = 1; //打开窗户标志1}else{Flag1 = 0; //关闭窗户标志1}if (rainFlag == 0) //未下雨{Flag2 = 1; //打开窗户标志2}else{Flag2 = 0; //关闭窗户标志2}if ((temp >= minTemp && temp <= maxTemp) && (humidity >= minEvHm && humidity <= maxEvHm)) //环境适宜时{Flag3 = 1; //打开窗户标志3}else{Flag3 = 0; //关闭窗户标志3}if (Flag1) //烟雾浓度超高，优先级最高{openFlag = 1;}else{if (Flag2) //确认没有下雨，优先级次之{if (Flag3) //确认环境适宜，优先级最低{openFlag = 1;}else{openFlag = 0;}}else{openFlag = 0;}}}if (~openFlagBuf && openFlag) //开窗{motorDir = 1; //正转标志}else if (openFlagBuf && ~openFlag) //关窗{motorDir = 2; //反转标志}openFlagBuf = openFlag;}void MotorCtrl(void){static int motorCnt = 0;if (motorDir == 1){motorCnt++;motor_z();if (motorCnt == 64){motorDir = 0;}}else if (motorDir == 2){motorCnt--;motor_f();if (motorCnt == 0){motorDir = 0;}}}void DispNormal(void){//LCD显示数据sprintf(dis0, "Temp:%2d", temp);LCD_DispStr(0, 0, dis0);LCD_DispOneChar(7, 0, 0xdf); //摄氏度的点sprintf(dis0, "C Hm:%2d%%", humidity);LCD_DispStr(8, 0, dis0);if (autoFlag == 1){sprintf(dis0, "Smog:%3d%% A", smogConc); //自动模式}else{sprintf(dis0, "Smog:%3d%% M", smogConc); //WIFI控制，手动模式显示}LCD_DispStr(0, 1, dis0);if (openFlag == 1) //窗户打开{LCD_DispStr(12, 1, "O ");}else //窗户关闭{LCD_DispStr(12, 1, "C ");}if (rainFlag == 1){LCD_DispStr(14, 1, "YY"); //有雨}else{LCD_DispStr(14, 1, "WY"); //无雨}}
仿真演示视频：
/video/BV1aY4y1t7oM/
实物演示视频：
/video/BV1Ya41177oE/
