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LCD 的代码
lcd.h
/*
================================================================================
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lcd.lst
C51 COMPILER V7.50 LCD 03/30/2011 19:43:22 PAGE 1
C51 COMPILER V7.50, COMPILATION OF MODULE LCD
OBJECT MODULE PLACED IN LCD
lcd.h
/*
================================================================================
Copytight : Yihetech Co,.Ltd, All rightd reserved. 版权归属亿和电子工作室
Store : http://shop57165217.taobao.c
lcd.c
/*
* LCD interface example
* Uses routines from delay.c
* This code will interface to a standard LCD controller
* like the Hitachi HD44780. It uses it in 4 bit mode, with
* the hardware conn
lcd.h
/*
* LCD interface header file
* See lcd.c for more info
*/
/* write a byte to the LCD in 4 bit mode */
extern void lcd_write(unsigned char);
/* Clear and home the LCD */
extern void
lcd.c
/*
* LCD interface example
* Uses routines from delay.c
* This code will interface to a standard LCD controller
* like the Hitachi HD44780. It uses it in 4 or 8 bit mode
*
*/
#include
lcd.h
#ifndef _LCD_H_
#define _LCD_H_
/*
* LCD interface header file
*/
/* Defining CHECKBUSY will check if the LCD is busy. The RW bit of the
* LCD must connected to a port of the processor
lcd.c
/*
* LCD interface example
* Uses routines from delay.c
* This code will interface to a standard LCD controller
* like the Hitachi HD44780. It uses it in 4 bit mode, with
* the hardware conn