lcd1602.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 _lcd1602_H_		 //条件编绎
#define _lcd1602_H_
#include <reg52.H>
#include<intrins.h>
#define uchar unsigned char 
typedef bit BOOL ;
#define LCD_DATA P2		

//引脚定义
sbit rs = P2^0;  
sbit rw = P2^1;
sbit ep = P2^2;
extern void delay(uchar ms);
extern void lcd_write(uchar cd,uchar temp);
extern void lcd_pos(uchar pos);
extern void lcd_init();
extern void lcd_strwdat( uchar Loc,uchar *str );
#endif