天天

//寄存器宏定义 #include #include #define WRITE_SECOND 0x80 #define WRITE_MINUTE 0x82 #define WRITE_HOUR 0x84 #define WRITE_DATE 0x86 #define WRITE_MONTH 0x8

#include #defineucharunsignedchar #defineuintunsignedint sbitDQ=P3^7;//ds18b20与单片机连接口 sbitRS=P3^0; sbitRW=P3^1; sbitEN=P3^2; unsignedcharcodestr1[]

#include #define uchar unsigned char sbit sda=P1^0; sbit scl=P1^1; uchar a; void delay() { ;; } void start() //开始信号 { sda=1; delay(); scl=1; delay();