wdj.rar_温度计_温度计 1602

#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); } } }