wenduji.zip_room control_room display

#include<reg52.h> #include<absacc.h> #include<stdio.h> #include<math.h> typedef unsigned char uchar; typedef unsigned int uint; uchar tplsb,tpmsb; uchar idata diss[8]={0,1,2,3,4,5,6,7}; uchar tempreg; uchar coma, comb; uchar hl; sbit din=P3^5; sbit clk=P3^4; sbit load=P3^3; sbit DQ=P3^7; //数据通信线 //温度测量并显示程序 void disp(uchar d,uchar hh); void w7219(uchar coma,uchar comb); void sd7219(uchar trans); void fenli(uchar shishu,uchar xp); //延时程序 void delay(uint t) { uint i; while(t--) { for(i=0;i<125;i++); } } //产生复位脉冲初始化ds18b20 void TxRest(void) { uint i; DQ=0; i=100; while(i>0) i--; DQ=1; i=4; while(i>0) i--; } //等待应答脉冲 void RxWait(void ) { uint i; while(DQ); while(~DQ); i=4; while(i>0) i--; } bit RdBit(void) { uint i; bit b; DQ=0; i++; DQ=1; i++;i++; b=DQ; i=8; while(i>0)i--; return(b); } uchar RdByte(void) { uchar i,j,b; b=0; for(i=1;i<=8;i++) { j=RdBit(); b=(j<<7)|(b>>1); } return(b); }