digthermo.h

此程序实现了ds18b20温度传感器的单线数据采集

#ifndef	_DIGTHERMO_H 		// 防止DigThermo.h被重复引用

#define	_DIGTHERMO_H

#include <reg52.h>		// 引用标准库的头文件
#include "intrins.h"

#define uchar unsigned char 
#define uint unsigned int 

uchar tplsb,tpmsb;		// 温度值低位、高位字节

sbit DQ = P3^0;			// 数据通信线DQ
unsigned char code dispcode[]={0x3f,0x06,0x5b,0x4f,   //0,1,2,3
                               0x66,0x6d,0x7d,0x07,  //4,5,6,7
                               0x7f,0x6f,0x77,0x7c,  //8,9,a,b
                               0x39,0x5e,0x79,0x71,0x40,0x00}; 	 //c,d,e,f,-,不显示
unsigned char dispbitcode[]={0xfe,0xfd,0xfb,0xf7, 	   //LED位码
                             0xef,0xdf,0xbf,0x7f};
unsigned char display[8]={0,0,0,0,0,0,0,0};
uchar get_serial[]={0x8e,0x00,0x00,0x00,0xb8,0xc5,0x30,0x28,0xb9,0x00,0x00,0x00,0xb8,0xc5,0x31,0x28,
                   0xe0,0x00,0x00,0x00,0xb8,0xc5,0x32,0x28};
#endif