project.h

基于proteus的多点温控系统的设计与仿真,该系统能够同时检测多路温度,用DS18B20温度传感器,AT89C51单片机为CPU.

/*--------------------------------------------------------------------------
AT89X51.H

Header file for the low voltage Flash Atmel AT89C51 and AT89LV51.
Copyright (c) 1988-2002 Keil Elektronik GmbH and Keil Software, Inc.
All rights reserved.
--------------------------------------------------------------------------*/
#define uchar unsigned char
unsigned char buffer[3];
unsigned char flag=1;
unsigned char DataFromPC[3];

unsigned char flag_URT=0;
unsigned char test=0;
unsigned char count=0;

/*------------------------------------------------
Speaker Registers
------------------------------------------------*/
sbit SPEACKER = P3^7;
sbit Send_en = P3^2;
bit show_flag