#include<reg52.h>
#include"1602.h"
#include"ds18b20.h"
#define uint unsigned int
#define uchar unsigned char
sbit speaker=P2^0;		  //定义蜂鸣器
sbit key1=P1^0;			  //L
sbit key2=P1^1;	      //H



//定义时间按键

uint  tem;				  //定义采集温度
int htem,htem2,time,time2,x,y,z,dot,dot2;			  //定义温度、时间
int cnt1=1,cnt2=1,cnt3=1,cnt4=1,cnt5=1,cnt6=1;		  //定义计数变量
int i;
uchar mode=0;			  //定义模式变量
uchar code t3[]={"  H/L=0/1:     C"};
uchar code t4[]={"O/D:           C"};


//延时函数
void delay1(uint i)
{
	while(i--);	
}


//显示函数1
void display(uint dat,uchar add)
{
uchar bai,shi ,ge;
bai=dat/100;
shi=dat%100/10;
ge=dat%10;										   
writelcd_cmd(add);
writelcd_dat(bai+0x30);
writelcd_dat(shi+0x30);
writelcd_cmd(add+3);
writelcd_dat(ge+0x30);
}


//显示函数2
void display2(uint dat,uchar add)
{
uchar bai,shi ;
bai=dat/100;
shi=dat%100/10;
//ge=dat%10;										   
writelcd_cmd(add);
writelcd_dat(shi+0x30);
writelcd_dat(bai+0x30);
writelcd_cmd(add+3);
//writelcd_dat(ge+0x30);
}


//显示函数3
void display3(uint dat,uchar add)
{
uchar ge;
//bai=dat/100;
//shi=dat%100/10;
ge=dat%10;										   
writelcd_cmd(add);
//writelcd_dat(shi+0x30);
//writelcd_dat(bai+0x30);
//writelcd_cmd(add+3);
writelcd_dat(ge+0x30);
}


//按键扫描函数
void keyscan()
{  uchar i,j;
   writelcd_cmd(0x80);
   for(i=0;i<16;i++)
   {writelcd_dat(t3[i]);}
   writelcd_cmd(0xc0);
   for(j=0;j<16;j++)
   {writelcd_dat(t4[j]);}
   
   
   while(mode!=0)
   {
display2(htem,0x8b);
display3(time,0xca);
   while(mode!=0)
   {
	   switch(mode)
	   {
	   case 1:writelcd_cmd(0xc0+10);writelcd_cmd(0x0f);break;
	   case 2:writelcd_cmd(0x80+11);writelcd_cmd(0x0f);break;
		 case 3:writelcd_cmd(0xc0+10);writelcd_cmd(0x0f);break;
	   default:mode=0;break;
	   }
		 
	  if(key2==0&&mode==1)
	  {
			delay(50);
	    y=0;display3(y,0x80);writelcd_cmd(0xca+11);   //max one
	  	
	  	if(key2==0)
		{  
			delay(10);
		   cnt1++;
		   while(key2==0);
		   switch(cnt1%11)
		   {
			case 1:time=0;display3(time,0xca);writelcd_cmd(0xca+11);break;	 
		  case 2:time=1;display3(time,0xca);writelcd_cmd(0xca+11);break;			 
	    case 3:time=2;display3(time,0xca);writelcd_cmd(0xca+11);break;			 
	    case 4:time=3;display3(time,0xca);writelcd_cmd(0xca+11);break;			 
			case 5:time=4;display3(time,0xca);writelcd_cmd(0xca+11);break;			 
			case 6:time=5;display3(time,0xca);writelcd_cmd(0xca+11);break;			 
			case 7:time=6;display3(time,0xca);writelcd_cmd(0xca+11);break;			 
			case 8:time=7;display3(time,0xca);writelcd_cmd(0xca+11);break;			
			case 9:time=8;display3(time,0xca);writelcd_cmd(0xca+11);break;			 
			case 10:time=9;display3(time,0xca);writelcd_cmd(0xca+11);break;			 
			
			default:break;	
		   }	
		}
	  }
		if(key1==0&&mode==1)
	  {
			delay(50);
	    y=1;display3(y,0x80);writelcd_cmd(0xca+11);  //min one
	  	
	  	if(key1==0)
		{  
			delay(10);
		   cnt4++;
		   while(key1==0);
		   switch(cnt4%11)
		   {
			case 1:time2=0;display3(time2,0xca);writelcd_cmd(0xca+11);break;	 
		  case 2:time2=1;display3(time2,0xca);writelcd_cmd(0xca+11);break;			 
	    case 3:time2=2;display3(time2,0xca);writelcd_cmd(0xca+11);break;			 
	    case 4:time2=3;display3(time2,0xca);writelcd_cmd(0xca+11);break;			 
			case 5:time2=4;display3(time2,0xca);writelcd_cmd(0xca+11);break;			 
			case 6:time2=5;display3(time2,0xca);writelcd_cmd(0xca+11);break;			 
			case 7:time2=6;display3(time2,0xca);writelcd_cmd(0xca+11);break;			 
			case 8:time2=7;display3(time2,0xca);writelcd_cmd(0xca+11);break;			 
			case 9:time2=8;display3(time2,0xca);writelcd_cmd(0xca+11);break;			 
			case 10:time2=9;display3(time2,0xca);writelcd_cmd(0xca+11);break;			 
			
			default:break;	
		   }	
		}
	  }
	  if(key2==0&&mode==2)
	  {
	  delay(10);
			x=00;display2(x,0x80);writelcd_cmd(0x80+11);  //max ten
	  if(key2==0)
		  {
		   cnt2++;
		   while(key2==0);
		   switch(cnt2%11)
		   {
				
		    case 1:htem=00;display2(htem,0x8b);writelcd_cmd(0x80+11);break;		  
		    case 2:htem=10;display2(htem,0x8b);writelcd_cmd(0x80+11);break;		  
		    case 3:htem=20;display2(htem,0x8b);writelcd_cmd(0x80+11);break;		  
			  case 4:htem=30;display2(htem,0x8b);writelcd_cmd(0x80+11);break;		  
		    case 5:htem=40;display2(htem,0x8b);writelcd_cmd(0x80+11);break;		  
		    case 6:htem=50;display2(htem,0x8b);writelcd_cmd(0x80+11);break;		  
		    case 7:htem=60;display2(htem,0x8b);writelcd_cmd(0x80+11);break;		  
		    case 8:htem=70;display2(htem,0x8b);writelcd_cmd(0x80+11);break;		  
		    case 9:htem=80;display2(htem,0x8b);writelcd_cmd(0x80+11);break;		  
		    case 10:htem=90;display2(htem,0x8b);writelcd_cmd(0x80+11);break;		  
				 
        
				
		    default:break;
		   }
		  }
			

	  }
		if(key1==0&&mode==2)
	  {
	  delay(10);
			x=10;display2(x,0x80);writelcd_cmd(0x80+11); //min ten
	  if(key1==0)
		  {
		   cnt3++;
		   while(key1==0);
		   switch(cnt3%11)
		   {
				
		    case 1:htem2=00;display2(htem2,0x8b);writelcd_cmd(0x80+11);break;		  
		    case 2:htem2=10;display2(htem2,0x8b);writelcd_cmd(0x80+11);break;		  
		    case 3:htem2=20;display2(htem2,0x8b);writelcd_cmd(0x80+11);break;		  
			  case 4:htem2=30;display2(htem2,0x8b);writelcd_cmd(0x80+11);break;		  
		    case 5:htem2=40;display2(htem2,0x8b);writelcd_cmd(0x80+11);break;		  
		    case 6:htem2=50;display2(htem2,0x8b);writelcd_cmd(0x80+11);break;		  
		    case 7:htem2=60;display2(htem2,0x8b);writelcd_cmd(0x80+11);break;		 
		    case 8:htem2=70;display2(htem2,0x8b);writelcd_cmd(0x80+11);break;		  
		    case 9:htem2=80;display2(htem2,0x8b);writelcd_cmd(0x80+11);break;		 
		    case 10:htem2=90;display2(htem2,0x8b);writelcd_cmd(0x80+11);break;		 
			
				
		    default:break;
		   }
		  }
			

	  }
		if(key2==0&&mode==3)
	  {
			delay(50);
	  		z=00;display2(z,0x80);writelcd_cmd(0x80+11); //max dot
	  	
	  	if(key2==0)
		{  
			delay(10);
		   cnt5++;
		   while(key2==0);
		   switch(cnt5%11)
		   {
			case 1:dot=0;display3(dot,0xca);writelcd_cmd(0xca+11);break;	 
		  case 2:dot=1;display3(dot,0xca);writelcd_cmd(0xca+11);break;			
	    case 3:dot=2;display3(dot,0xca);writelcd_cmd(0xca+11);break;			 
	    case 4:dot=3;display3(dot,0xca);writelcd_cmd(0xca+11);break;			
			case 5:dot=4;display3(dot,0xca);writelcd_cmd(0xca+11);break;			
			case 6:dot=5;display3(dot,0xca);writelcd_cmd(0xca+11);break;			 
			case 7:dot=6;display3(dot,0xca);writelcd_cmd(0xca+11);break;			
			case 8:dot=7;display3(dot,0xca);writelcd_cmd(0xca+11);break;			 
			case 9:dot=8;display3(dot,0xca);writelcd_cmd(0xca+11);break;			
			case 10:dot=9;display3(dot,0xca);writelcd_cmd(0xca+11);break;			 
			
			default:break;	
		   }	
		}
	  }
		if(key1==0&&mode==3)
	  {
			delay(50);
	   		z=10;display2(z,0x80);writelcd_cmd(0x80+11);   //min dot
	  	
	  	if(key1==0)
		{  
			delay(10);
		   cnt6++;
		   while(key1==0);
		   switch(cnt6%11)
		   {
			case 1:dot2=0;display3(dot2,0xca);writelcd_cmd(0xca+11);break;	 
		  case 2:dot2=1;display3(dot2,0xca);writelcd_cmd(0xca+11);break;			 
	    case 3:dot2=2;display3(dot2,0xca);writelcd_cmd(0xca+11);break;			
	    case 4:dot2=3;display3(dot2,0xca);writelcd_cmd(0xca+11);break;			
			case 5:dot2=4;display3(dot2,0xca);writelcd_cmd(0xca+11);break;			 
			case 6:dot2=5;display3(dot2,0xca);writelcd_cmd(0xca+11);break;			
			case 7:dot2=6;display3(dot2,0xca);writelcd_cmd(0xca+11);break;			
			case 8:dot2=7;display3(dot2,0xca);writelcd_cmd(0xca+11);break;			 
			case 9:dot2=8;display3(dot2,0xca);writelcd_cmd(0xca+11);break;			
			case 10:dot2=9;display3(dot2,0xca);writelcd_cmd(0xca+11);break;			 
			
			default:break;	
		   }	
		}
	  }
		
   }
  }
  lcd_init();
}


//中断初始化函数
void init()
{
  lcd_init();		   //lcd初始化
   speaker=1;

   mode=0;
   htem=80;
   time=0;
	htem2=20;
	time2=0;
	dot=0;
	dot2=0;
	EA=1;				//总中断开启
   EX0=1;				//外部中断0允许
   ET0=1;				//定时器0允许
   TMOD=0X01;			//定时中断0，模式1
   IT0=1;				//下降沿触发
   TH0=0Xee;			//0.5us
   TL0=0X00;
   //TR0=0;
}



//主函数
void main()
{  

 	init();		  //中断初始化
	while(1)
	{  
		if(mode!=0)
		{keyscan();}

     	else if(mode==0)
		{	
		    delay(100);
		    tmpchange();
			tem=tmp();			 //温度值获取

			if(tem>=(htem*10+time*10+dot))		//高于设定温度
			{ 
			  TR0=1;				//中断开启
				  				  
			}
			else if(tem<=(htem2*10+time2*10+dot2))		//高于设定温度
			{ 
			  TR0=1;				//中断开启
			  			 		  
			}
			else 				    //低于设定温度
			{
			TR0=0;					//中断关闭
                   			//报警灯灭
			}
			
			delay(10);
		    display(tem,0xca);
		    delay(100);
			TR0=0;
			  
		}
	}
}



//外部中断服务函数
void exter()interrupt 0
{
delay(50);		 //按键消抖
if(P1^2==0)
mode++;			 
mode=mode%5 ;	 //每按4次置0
}


//定时中断服务函数
void timer0()interrupt 1
{
 TH0=0Xee;		 //重装载
 TL0=0X00;
 
   delay(200);
   speaker=~speaker;delay1(1); 	 //蜂鸣器报警
   TR0=0;		 //定时中断关闭
 
 
}