#include
#define?uchar?unsigned?char
#define?uint?unsigned?int

uchar?temp[16]?;
uchar?len?=?0?;
uchar?i??j??a?flag;

sbit?LCD_RS?=?P2^7?;?	//寄存器選擇輸入
sbit?LCD_RW?=?P2^6?;	//液晶讀寫控制
sbit?LCD_EN?=?P2^5?;	//液晶使能端

/******忙檢測(cè)*******/	
void?busy（）						
{
	P0?=?0xff?;
	LCD_RS?=?0?;
	LCD_RW=1?;??
	LCD_EN=1?;	
	while（P0?&?0x80）?;
????LCD_EN=0?;
}

/******寫指令*******/
void?lcd_write_com（uchar?com）
{
?	busy（）?;
	LCD_RS?=?0?;
	LCD_RW?=?0?;		
	P0?=?com?;
	LCD_EN?=?1?;
	LCD_EN?=?0?;
}

/******寫數(shù)據(jù)*******/
void?lcd_write_dat（uchar?dat）
{
	busy（）?;
	LCD_RS?=?1?;
	LCD_RW?=?0?;
	P0?=?dat?;
	LCD_EN?=?1?;
	LCD_EN?=?0?;?
}

/******初始化*******/
void?lcd_init（）
{
	lcd_write_com（0x38）?;??	
????lcd_write_com（0x0c）?;	//整體顯示開(kāi)游標(biāo)位置顯示關(guān)游標(biāo)位置反白關(guān)
????lcd_write_com（0x06）?;	//畫面設(shè)定游標(biāo)右移畫面不移動(dòng)
????lcd_write_com（0x01）?;	//清除顯示
}

/******1602屏顯示，在哪個(gè)位置上顯示什么數(shù)據(jù)*******/
void?Show（uchar?addr?uchar?dat）
{
	lcd_write_com（addr?|?0x80）?;		//1602顯示位置
	lcd_write_dat

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-10-26?10:30??recive?string\
?????文件??????165376??2004-09-01?06:12??recive?string\comdebug.exe
?????文件????????5262??2013-10-26?10:29??recive?string\string
?????文件????????2203??2013-10-26?10:29??recive?string\string.c
?????文件????????1210??2013-10-26?10:29??recive?string\string.hex
?????文件??????????29??2013-10-26?10:29??recive?string\string.lnp
?????文件????????5874??2013-10-26?10:29??recive?string\string.LST
?????文件????????8067??2013-10-26?10:29??recive?string\string.M51
?????文件????????5969??2013-10-26?10:29??recive?string\string.OBJ
?????文件????????1027??2013-10-26?10:29??recive?string\string.Opt
?????文件?????????892??2013-10-26?10:29??recive?string\string.plg
?????文件????????2089??2013-10-13?23:01??recive?string\string.Uv2
?????文件????????1028??2013-10-26?10:19??recive?string\string_Opt.Bak