Smart-home-system-design.rar_51 智能家居_51 窗帘_51单片机 窗帘_Home Home_自动

#include<AT89x52.h> #define uchar unsigned char #define uint unsigned int typedef unsigned char BYTE; #define OPEN 0 #define CLOSE 1 sbit DS=P1^1; //DS18B20 sbit lcdrw=P2^6; //lcd引脚 sbit lcdrs=P2^7; sbit lcden=P2^5; sbit high_jia=P3^4; //温度高低设置键 sbit high_jian=P3^5; sbit JDQ1=P1^0; //继电器 sbit ENA=P3^0; //电机驱动芯片 sbit IN1=P3^1; sbit IN2=P3^3; sbit jia_key=P1^6; //电机转速加减按键 sbit jian_key=P1^7; sbit low_jia=P3^6; sbit low_jian=P3^7; sbit KeyOpen=P2^0; sbit KeyClose=P2^1; sbit Cchange=P2^2; sbit state_led=P2^3; int Curtain_flag=1; //手/自动控制标志位 uchar number,num_gao,num_di; uchar high,low; uint temp; //测得的温度 uchar flag1; uchar code a[]="temp:"; //显示测得的温度 uchar code b[]="set:"; //显示设置的温度 uchar code w[]="warm+"; uchar code c1[]="cool1"; uchar code c2[]="cool2"; sbit Light_Flag = P1^5; //光强传感器控制P0.0口 sbit dir=P1^3; sbit clk=P1^4; BYTE state; //uchar code c[]=">" /*void delay(uint count) //delay { uint i; while(count) { i=200; while(i>0) i--; count--; } }*/ void delay(uint a)//设置延时函数 { uint i,j; for(i=0;i<a;i++) for(j=0;j<110;j++); } void write_data(uchar date) //lcd写数据 { lcdrs=1; lcdrw=0; P0=date; delay(5); lcden=1; delay(5); lcden=0; } void write_com(uchar com) //lcd写命令 { lcdrs=0; lcdrw=0; P0=com; delay(5); lcden=1; delay(5); lcden=0; } void init() //lcd显示屏初始化 { write_com(0x38); write_com(0x0c); write_com(0x04); write_com(0x80); write_com(0x01); } /*void key() //检测控制电机转速的加减键的按下 { if(jia_key==0) { delay(10); if(jia_key==0) { number++; if(number==5) number=4; while(jia_key==0); } } if(jian_key==0) { delay(10); if(jian_key==0) { if(number!=0) number--; else number=0; while(jian_key==0); } } }*/ void dispose() { switch(number) //周期为4，通过调节高低比来调节转速，case相当于转速 { case 0: ENA=0;break; case 1: num_gao=10;num_di=10;break; case 2: num_gao=20;num_di=0;break; } } void qudong() //实现不同的占空比的矩形波 { uchar x; if(num_di!=0) { for(x=0;x<num_di;x++) { IN1=0; IN2=0; delay(25); } for(x=0;x<num_gao;x++) { IN1=1; IN2=0; delay(25); } } } void dsreset(void) //显示模块 { uint i; DS=0; i=103; while(i>0) i--; DS=1; i=4; while(i>0) i--; } bit tmpreadbit(void) //read a bit { uint i; bit dat; DS=0;i++; //i++ for delay DS=1;i++;i++; dat=DS; i=8;while(i>0)i--; return (dat); } uchar tmpread(void) //read a byte date { uchar i,j,dat; dat=0; for(i=1;i<=8;i++) { j=tmpreadbit(); dat=(j<<7)|(dat>>1); } return(dat); } void tmpwritebyte(uchar dat) //write a byte to ds18b20 { uint i; uchar j; bit testb; for(j=1;j<=8;j++) { testb=dat&0x01; dat=dat>>1; if(testb) //write 1 { DS=0; i++;i++; DS=1; i=8;while(i>0)i--; } else { DS=0; //write 0 i=8;while(i>0)i--; DS=1; i++;i++; } } } void tmpchange(void) //DS18B20 begin change { dsreset(); delay(1); tmpwritebyte(0xcc); // address all drivers on bus tmpwritebyte(0x44); // initiates a single temperature conversion } uint tmp() //get the temperature { float tt; uchar a,b; dsreset(); delay(1); tmpwritebyte(0xcc); tmpwritebyte(0xbe); a=tmpread(); b=tmpread(); temp=b; temp<<=8; //two byte compose a int variable temp=temp|a; tt=temp*0.0625; temp=tt*10+0.5; return temp; } void set_wendu() //设置温度 { if(high_jia==0) { delay(10); if(high_jia==0) { high=high+1; /*if(num>60) { num=60; }*/ while(high_jia==0); } } if(high_jian==0) { delay(10); if(high_jian==0) { high=high-1; /*if(num<40) { num=40; }*/ while(high_jian==0); } } if(low_jia==0) { delay(10); if(low_jia==0) { low=low+1; /*if(num>60) { num=60; }*/ while(low_jia==0); } } if(low_jian==0) { delay(10); if(low_jian==0) { low=low-1; /*if(num<40) { num=40; }*/ while(low_jian==0); } } } void display(uint te) //测得的温度显示 { uint A1,A2,A2t,ser,i; ser=te/10; SBUF=ser; A1=te/100; A2t=te%100; A2=A2t/10; write_com(0x80); for(i=0;i<5;i++) write_data(a[i]); write_data(0x30+A1); write_data(0x30+A2); } void set_display(uint high,uint low) //设值的温度显示 { uint shi,ge,i; shi=low/10; ge=low%10; write_com(0x80+0x40); for(i=0;i<4;i++) write_data(b[i]); write_com(0x80+0x44); write_data(0x30+shi); write_data(0x30+ge); shi=high/10; ge=high%10; write_com(0x80+0x47); write_data(0x30+shi); write_data(0x30+ge); write_com(0x80+0x46); write_data(0x7E); } //void choice() //{ // uint level; // level=(high-low)/4; // if(temp<low+level&&temp>=low) // number=1; // if(temp>low+level&&temp<=low+2*level) // number=2; // if(temp>low+2*level&&temp<=low+3*level) // number=3; // if(temp>low+3*level) // number=4; //} void MotorUp()//窗帘电机正转 { int n=100; dir=0; for(n;n>0;n--) { clk=1; delay(20); clk=0; delay(20); } } void MotorDown()//窗帘电机正转 { int n=100; dir=1; for(n;n>0;n--) { clk=1; delay(20); clk=0; delay(20); } } void CurtainControl() { if((state==CLOSE)&&(KeyOpen==0)) //窗帘是关闭状态并且手动按下打开窗帘按钮 { MotorUp();//电机正转一个周期 state = OPEN; //转好后，窗帘状态变为开状态 } else if((state==OPEN)&&(KeyClose==0)) //光强高于标准值并且窗帘是打开状态 { MotorDown();//电机反转一个周期 state = CLOSE; //转好后，窗帘状态变为关闭状态 } } void INT0Init() { //PX1; IT0=1; //IT1=1; EX0=1; //EX1=1; EA=1; } void ser() interrupt 0 { Cchange=!Cchange;//手/自动控制切换 Curtain_flag=!Curtain_flag;//切换标志位 } void main() { //BYTE i,j; //flag1=1; int n=0; Cchange=0; Curtain_flag=0; INT0Init(); init(); //number=2; //初始的电机的档位 //num=34; //设置的初始温度 high=27; low=24; state = CLOSE;//窗帘为关闭状态 state_led=state; while(1) { //do //{ IN1=1; IN2=0; //ENA=1; tmpchange(); display(tmp()); set_wendu(); set_display(high,low); temp=temp/10; if(high>=temp&&temp>=low) { JDQ1=0; ENA=1; number=1; write_com(0x88); for(n=0;n<5;n++) write_data(c1[n]); } if(temp>high) { JDQ1=0; ENA=1; number=2; write_com(0x88); for(n=0;n<6;n++) write_data(c2[n]); } if(temp<low) { JDQ1=1; ENA=0; number=0; write_com(0x88); for(n=0;n<5;n++) write_data(w[n]); } //key(); //调节电机的转速 // choice(); dispose(); qudong(); //} if((Curtain_flag==1)&&(Light_Flag==0)&&(state==CLOSE)) //光强低于标准值并且窗帘是关闭状态 { MotorUp();//电机正转一个周期 state = OPEN; //转好后，窗帘状态变为开状态 } else if((Curtain_flag==1)&&(Light_Flag==1)&&(state==OPEN)) //光强高于标准值并且窗帘是打开状态 { MotorDown();//电机反转一个周期 state = CLOSE; //转好后，窗帘状态变为关闭状态 } else if(Curtain_flag==0) { CurtainControl(); } state_led=state; } }