lcd1602.h

这是一个成熟的DSA通讯持续,可以在单片机之间通讯用.

#include <at89x52.h>
#include"typedefine.h"
/*------------------------------------------------
-------------------------------------------------*/
#ifndef __lcd1602_h__
#define __lcd1602_h__
/*------------------------------------------------
-------------------------------------------------*/
#define   LCD_RS_PORT   P1_2                                    
#define   LCD_EN_PORT   P1_3                                   
#define   LCD_DATA_PORT P1
/*------------------------------------------------
-------------------------------------------------*/                             
#define   LCD_RS         1
#define   LCD_EN         1
/*------------------------------------------------
-------------------------------------------------*/
extern void LCD_init(void);
extern void LCD_en_write(void);
extern void LCD_write_command(unsigned  char command) ;
extern void LCD_write_data(unsigned char Adata);
extern void LCD_set_xy (unsigned char x, unsigned char y);
extern void LCD_write_string(unsigned char X,unsigned char Y,unsigned char *s);
extern void LCD_write_char(unsigned char X,unsigned char Y,unsigned char Adata);
extern void LCD_data_command_input(unsigned	 char  dtcd);
extern uchar hexotd(uchar hexdata);
extern void disp_time(uchar x,uchar y,uchar dat);
extern void disp_dat(uchar x,uchar y,uchar dat);
extern void disp_hex(uchar x,uchar y,uchar hex);
static uchar disp_char(uchar dat);
/*------------------------------------------------
-------------------------------------------------*/
#endif