lcd1602.h

lcd1602编程资料。包括8位和4位口的c语言程序。当单片机口不够时可用4位接法

#ifndef _LCD1602_H
#define _LCD1602_H
 
#include <reg51.h>

#define uchar unsigned char

sbit P00 = P0^0;
sbit P01 = P0^1;
sbit P02 = P0^2;
sbit P03 = P0^3;
sbit P04 = P0^4;
sbit P05 = P0^5;
sbit P06 = P0^6;
sbit P07 = P0^7;

sbit EN = P2^0;						 
sbit RS = P2^1;						
sbit RW = P2^2;



void ini_lcd1602( );
void wr_byte_ram(bit, uchar, uchar);
void wr_length_ram(bit, uchar, uchar*, uchar);


#endif