ds18b20.h

DB18B20测温度的protues仿真和源代码

#ifndef DS18B20_H
#define DS18B20_H
#define uchar unsigned char
#define uint unsigned int
sbit DQ=P3^0;
bit exist=0;
//extern	uchar a1,a2;
extern void ds18_init(void);
extern void wrds18_byte(uchar byte);
uchar rdds18_byte(void);
extern uint read_ds18(void);
void delay15us(uint t);
#endif