wendu.c

12864 18B20做温度计 内含有仿真 是PROUUE 的仿真

#include<reg51.h>
#include"lcd.h"
#define uint  unsigned int
#define uchar unsigned char 
sbit P25=P2^5;  //下降沿放音
sbit rc=P2^6;
sbit a0=P2^7;
sbit st=P2^4;
sbit start=P3^2;
sbit up=P3^3;   //加
sbit down=P3^4;  //减
sbit P37=P3^7; 
uint add;
bit K1;
bit a;  
uchar i;
uchar j;
uint cmd,cnt;
uint temp1,temp2;
uint shuchu ;
uint dianya;
uint t ;
uint baoy;
uint cw=370;
bit flay;
uchar data led[3];
uchar code  number[]="0123456789.";
uchar tab1[]="abcd 36.9d";
uchar tab2[]="abcd 37.0d";
//uchar tab1[]="当前温度  36.9度";
//uchar tab1[]="aasdsd  37.0d";
//uchar tab2[]="aaddd: 36.9d";
void init(void); //中断初始化
void delay(uint k);
void ad574(void);
void key(void);   //键盘
void delay(uint k)//延时 k ms
{ k=k*125;
  while(k--);
}
void ad574(void)
{ rc=0;
  a0=0;
 while(st==1);
  st=1;
  rc=1;
 delay(10);
  temp1=P1;
 delay(10);
  a0=1;
  temp2=P1;
  shuchu=(temp1<<4)+(temp2>>4);
 // shuchu=2300;
 if(shuchu>=0&&shuchu<2048)
 { dianya=2048-shuchu;
   flay=1 ;
 }
if(shuchu>=2048&&shuchu<=4096)
{ dianya=shuchu-2047 ;
   flay=0;
 }
//dianya=1600;
t=dianya*9/37;
t=101;
if(t>163&&t<=405)
t=t+1;
if(t>405)
t+=2;

}
  void key(void)
 {if(start==0&&a==0)
   { delay(2);
   if(start==0)
     {  a=1; K1=~K1;}
	 }
   if(start==1&&a==1)
    a=0;
{if(K1==1)
 if(up==0&&cw<500)
  { add++;
  if(add==1) cw=cw+10;
  if(add==250)
  {cw=cw+10;add=200;}
  } 
  else add=0;
 if(down==0&&cw>0)
 { add++;
  if(add==1) cw=cw-10;
  if(add==250)
  { cw=cw-10;add=200;}

  }
  else add=0;
  }
}
 void init(void)  
 { TMOD=0x11;
   TH0=(65536-50000)/256; //定时50MS
   TL0=(65536-50000)%256;
   TH1=(65536-50000)/256;
   TL1=(65536-50000)%256;
   TR0=1;
   ET0=1;
   IT0=1;
   TR1=0;
   ET1=1;
   IT1=1;
   EA=1;
 }
 void t0(void) interrupt 1  using 1
 { TH0=(65536-50000)/256;
   TL0=(65536-50000)%256;
   cmd++;
   if(cmd==300)  // 1分钟定时
   { TR1=1; 
     cmd=0;
     baoy=t;
	 led[0]=baoy%10;
	 led[1]=baoy%100/10;
	 led[2]=baoy/100;
	 P37=0;
	}
 }
 void t1(void) interrupt 3 using 1
 {  
    TH1=(65536-50000)/256;
    TL1=(65536-50000)%256;
	 cnt++;
   if(cnt==10) P25=1; 
   if(cnt==20)
   { j++; 
    TR0=0;
    cnt=0;
	if(j==1)
	{  P0=88 ;  P25=0;   }  //读温度
  if(led[2]==0)
   { if(j==2)
	  { P0=8*led[1];P25=0;}
     if(led[0]==0)
	  { if(j==3)
	     { P0=104;P25=0; }
	    if(j==4)
         {j=0;TR1=0;P0=0;P25=1;TR0=1;}
	  }
	 else
   { if(j==3)
	  { P0=96;P25=0;}
	  if(j==4)
	  { P0=8*led[0]; P25=0;}
	  if(j==5)
	  { P0=104;P25=0;}
	 if(j==6)
	 {j=0;TR1=0;P0=0;P25=1;TR0=1;}
   }
  }
else
{  if(j==2)
	   { P0=8*led[2];P25=0;}
	   if(j==3)
	   { P0=80; P25=0;}
	   if(led[1]==0)
	   { if(led[0]==0)
	      { if(j==4)
		    { P0=104;P25=0;}
		    if(j==5)
             {j=0;TR1=0;P0=0;P25=1;TR0=1;}
	       }
        else
		{ if(j==4)
		  { P0=96;P25=0;}
		  if(j==5)
		  { P0=8*led[0];P25=0;}
		  if(j==6)
		  {P0=104;P25=0;}
         if(j==7)
          { j=0;TR1=0;P0=0;P25=1;TR0=1;}
		}
	  }
	  else
  	  { if(j==4)
	   { P0=8*led[1]; P25=0;}
	   if(j==5)
	   { P0=96;P25=0;}
	   if(j==6)
	   { P0=8*led[0];P25=0;}
	   if(j==7)
	   { P0=104 ; P25=0;}
       if(j==8) 
	   { j=0; TR1=0; P0=0;P25=1;TR0=1;}
	  }
	}
  }
}
void main(void)
{
 initlcd();//初始化
  clear();//清屏
  gotoxy(1,0);//显示第1行
 for(i=0;i<10;i++) WRdata(tab1[i]);
  gotoxy(2,0);//显示第2行
 for(i=0;i<10;i++) WRdata(tab2[i]);
  init();
 P0=0X00;
   while(1)
 { 
 key();
 ad574();
 gotoxy(1,5);
 WRdata(number[t/100]);  
 gotoxy(1,6);
 WRdata(number[t%100/10]);
 gotoxy(1,7);
 WRdata(number[10]); 
 gotoxy(1,8);
  WRdata(number[t%10]);
 gotoxy(2,5);
 WRdata(number[cw/100]);
 gotoxy(2,6);
 WRdata(number[cw%100/10]);
 gotoxy(2,7);
 WRdata(number[10]);  
 gotoxy(2,8);
 WRdata(number[cw%10]);
if(K1==1)
{ WRdata(0x0f);
WRdata(0xc5);
gotoxy(2,5);
 WRdata(number[cw/100]); 
 gotoxy(2,6);
 WRdata(number[cw%100/10]);
delay(5);
WRdata(0x0c);
}

}
}