lcd.h

此为一个详细的程序源代码 由单片机PIC16F873检测电平

#ifndef __LCD_H__
#define __LCD_H__

#include <pic.h>

#ifndef uchar
	#define uchar 	unsigned char
#endif
#ifndef uint
	#define uint 	unsigned int
#endif

#ifndef Nop
	#define Nop asm("nop")
#endif

#define RS	RB1
#define RW 	RB3
#define E	RB2
#define DATA	PORTC

#define OUT_IN	TRISC
#define INBIT	RC7

#define Addr_LCD_Top 	0x80
#define Addr_LCD_Bottom	0xc0

void delayLCD();
void Enable();
void WriteLCD(uchar addr);

#endif