/***************???writer:shopping.w???******************/
#include?
#include?
#define?uchar?unsigned?char
#define?uint?unsigned?int

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

void?Delayms（uint?ms）
{
?	uchar?i;
	while（ms--）
	{
	?	for（i=0;i<120;i++）;
	}
}

uchar?Busy_Check（）
{
?	uchar?LCD_Status;
	RS?=?0;
	RW?=?1;
	EN?=?1;
	Delayms（1）;
???	LCD_Status?=?P0;
	EN?=?0;
	return?LCD_Status;
}

void?Write_LCD_Command（uchar?cmd）
{
?	while（（Busy_Check（）&0x80）==0x80）;
	RS?=?0;
	RW?=?0;
	EN?=?0;
	P0?=?cmd;
	EN?=?1;
	Delayms（1）;
	EN?=?0;
}

void?Write_LCD_Data（uchar?dat）
{
?	while（（Busy_Check（）&0x80）==0x80）;
	RS?=?1;
	RW?=?0;
	EN?=?0;
	P0?=?dat;
	EN?=?1;
	Delayms（1）;
	EN?=?0;
}

void?Initialize_LCD（）
{
?	Write_LCD_Command（0x38）;
	Delayms（1）;	
	Write_LCD_Command（0x01）;
	Delayms（1）;	
	Write_LCD_Command（0x06）;
	Delayms（1）;	
	Write_LCD_Command（0x0c）;
	Delayms（1）;	
}

void?ShowString（uchar?xuchar?yuchar?*str）
{
?	uchar?i?=?0;
	if（y?==?0）
		Write_LCD_Command（0x80?|?x）;
	if（y?==?1）
		Write_LCD_Command（0xc0?|?x）;
	for（i=0;i<16;i++）
	{
	?	Write_LCD_Data（str[i]）;	
	}
}

?屬性????????????大小?????日期????時(shí)間???名稱
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?????文件??????40139??2009-01-24?12:21??12?1602字符液晶滾動(dòng)演示程序\1602字符液晶滾動(dòng)演示程序.DSN

?????文件????????768??2009-03-11?10:16??12?1602字符液晶滾動(dòng)演示程序\1602字符液晶滾動(dòng)演示程序.PWI

?????文件??????14716??2009-08-12?16:48??12?1602字符液晶滾動(dòng)演示程序\code\12

?????文件???????5421??2009-08-12?16:48??12?1602字符液晶滾動(dòng)演示程序\code\12.hex

?????文件?????????70??2009-08-12?16:48??12?1602字符液晶滾動(dòng)演示程序\code\12.lnp

?????文件??????17510??2009-08-12?16:48??12?1602字符液晶滾動(dòng)演示程序\code\12.M51

?????文件???????1571??2009-08-12?16:52??12?1602字符液晶滾動(dòng)演示程序\code\12.Opt

?????文件???????2659??2009-08-12?16:52??12?1602字符液晶滾動(dòng)演示程序\code\12.plg

?????文件???????2222??2009-08-11?14:17??12?1602字符液晶滾動(dòng)演示程序\code\12.Uv2

?????文件???????1169??2009-08-11?14:03??12?1602字符液晶滾動(dòng)演示程序\code\LCD1602.c

?????文件???????3477??2009-08-12?16:48??12?1602字符液晶滾動(dòng)演示程序\code\LCD1602.LST

?????文件???????5353??2009-08-12?16:48??12?1602字符液晶滾動(dòng)演示程序\code\LCD1602.OBJ

?????文件???????2596??2009-08-12?16:48??12?1602字符液晶滾動(dòng)演示程序\code\main.c

?????文件???????7284??2009-08-12?16:48??12?1602字符液晶滾動(dòng)演示程序\code\main.LST

?????文件??????11564??2009-08-12?16:48??12?1602字符液晶滾動(dòng)演示程序\code\main.OBJ

?????文件???????6376??2005-03-23?06:22??12?1602字符液晶滾動(dòng)演示程序\code\STARTUP.A51

?????文件??????14049??2009-08-12?16:48??12?1602字符液晶滾動(dòng)演示程序\code\STARTUP.LST

?????文件????????749??2009-08-12?16:48??12?1602字符液晶滾動(dòng)演示程序\code\STARTUP.OBJ

?????文件??????22423??2009-08-12?16:15??12?1602字符液晶滾動(dòng)演示程序\code.rar

?????文件??????13524??2009-03-11?10:16??12?1602字符液晶滾動(dòng)演示程序\Keil?C\1602字符液晶滾動(dòng)演示

?????文件???????5425??2009-03-11?10:16??12?1602字符液晶滾動(dòng)演示程序\Keil?C\1602字符液晶滾動(dòng)演示.hex

?????文件??????86496??2009-01-24?12:15??12?1602字符液晶滾動(dòng)演示程序\Last?Loaded?1602字符液晶滾動(dòng)演示程序.DBK

?????目錄??????????0??2011-01-13?02:32??12?1602字符液晶滾動(dòng)演示程序\code

?????目錄??????????0??2011-01-13?02:32??12?1602字符液晶滾動(dòng)演示程序\Keil?C

?????目錄??????????0??2011-01-13?02:32??12?1602字符液晶滾動(dòng)演示程序

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???????????????265561????????????????????25