1602.h

字符液晶1602源程序

#ifndef _1602_h
#define _1602_h


#define LCD_Data P0
#define Busy    0x80

sbit E=P2^7;
sbit RW=P2^6;
sbit RS=P2^5;

unsigned char Read( void );
void Write_cmd( unsigned char x,unsigned char B );
void Write_dat( unsigned char x);
unsigned char Read_dat( void );
void init( void ); 
void show_zifu( unsigned char x,unsigned char Y,unsigned char D);
void show_list( unsigned char X,unsigned char Y,unsigned char *s);

#endif