hardware.h

DS1820智能温控系统,使用1602液晶显示,51单片机控制,KEIL开发

#ifndef __HARDWAR_H__
#define __HARDWAR_H__

#include <AT89X52.H>	
//#include "2401.h"
/*---------------------------------------------------------
                   LCD数据、控制口定义
---------------------------------------------------------*/

/*---------------------------------------------------------
                  I2C-EEROM接口定义
---------------------------------------------------------*/
//sbit SDA=P0^5;                            //I2C总线数据
//sbit SCL=P0^4;                            //I2C总线时钟


/*--------------------------------------------------------
                      按键定义
---------------------------------------------------------*/
#define KEY_ENTER                  0x01
#define KEY_DOWN                   0x02
#define KEY_UP                     0x03
#define KEY_MENU                   0x04
#define KEY_ENTER_LONG_PRESSED     0x81
#define KEY_DOWN_LONG_PRESSED      0x82
#define KEY_UP_LONG_PRESSED        0x83
#define KEY_MENU_LONG_PRESSED  0x84

/*---------------------------------------------------------
                      键盘分布
---------------------------------------------------------*/
#define KEY_IN P1

sbit ENTER=P1^0;
sbit DOWN=P1^1;
sbit UP=P1^2;
sbit MENU=P1^3;



#endif