SMC1602A（16*2）模擬口線接線方式
連接線圖:	
???????---------------------------------------------------
???????|LCM-----51???|	LCM-----51???|	LCM------51??????|
???????--------------------------------------------------|
???????|DB0-----P1.0?|	DB4-----P1.4?|	RW-------P3.4????|
???????|DB1-----P1.1?|	DB5-----P1.5?|	RS-------P3.3????|
???????|DB2-----P1.2?|	DB6-----P1.6?|	E--------P3.5????|
???????|DB3-----P1.3?|	DB7-----P1.7?|	VLCD接1K電阻到GND|
???????---------------------------------------------------
接線：模塊TRIG接?P2.6??ECH0?接P2.7

本程序源碼只供學習參考，不得應用于商業用途，如有需要請聯系作者。

[注:AT89x51使用12M或11.0592M晶振實測使用11.0592M]
=============================================================*/
#include?		//器件配置文件
#include?
#define??RX??P2_7
#define??TX??P2_6

#define?LCM_RW??P3_4?//定義LCD引腳
#define?LCM_RS??P3_3
#define?LCM_E???P3_5
#define?LCM_Data??P1

#define?Key_Data?P2_0?//定義Keyboard引腳
#define?Key_CLK??P3_2

#define?Busy????0x80?//用于檢測LCM狀態字中的Busy標識

void?LCMInit（void）;
void?DisplayOneChar（unsigned?char?X?unsigned?char?Y?unsigned?char?DData）;
void?DisplayListChar（unsigned?char?X?unsigned?char?Y?unsigned?char?code?*DData）;
void?Delay5Ms（void）;
void?Delay400Ms（void）;
void?Decode（unsigned?char?ScanCode）;
void?WriteDataLCM（unsigned?char?WDLCM）;
void?WriteCommandLCM（unsigned?char?WCLCMBuysC）;

unsigned?char?ReadDataLCM（void）;
unsigned?char?ReadStatusLCM（void）;
unsigned?char?code?mcustudio[]?={“mcustudio.com.cn“};
unsigned?char?code?email[]?=????{“fhwxaoo@163.com?“};
unsigned?char?code?Cls[]?=??????{“????????????????“};
unsigned?char?code?ASCII[15]?=????{‘0‘‘1‘‘2‘‘3‘‘4‘‘5‘‘6‘‘7‘‘8‘‘9‘‘.‘‘-‘‘M‘};

static?unsigned?char?DisNum?=?0;?//顯示用指針				??
???????unsigned?int??time=0;
	???unsigned?long?S=0;
	???bit??????flag?=0;
	???unsigned?char?disbuff[4]	???={?0000};


//寫數據
void?WriteDataLCM（unsigned?char?WDLCM）?
{
	ReadStatusLCM（）;?//檢測忙
	LCM_Data?=?WDLCM;
	LCM_RS?=?1;
	LCM_RW?=?0;
	LCM_E?=?0;?//若晶振速度太高可以在這后加小的延時
	LCM_E?=?0;?//延時
	LCM_E?=?1;
}

//寫指令
void?WriteCommandLCM（unsigned?char?WCLCMBuysC）?//BuysC為0時忽略忙檢測
{
	if?（BuysC）?ReadStatusLCM（）;?//根據需要檢測忙
	LCM_Data?=?WCLCM;
	LCM_RS?=?0;
	LCM_RW?=?0;	
	LCM_E?=?0;
	LCM_E?=?0;
	LCM_E?=?1;	
}

//讀數據
unsigned?char?ReadDataLCM（void）
{
	LCM_RS?=?1;?
	LCM_RW?=?1;
	LCM_E?=?0;
	LCM_E?=?0;
	LCM_E?=?1;
	return（LCM_Data）;
}

//讀狀態
unsigned?char?ReadStatusLCM（void）
{
	LCM_Data?=?0xFF;?
	LCM_RS?=?0;
	LCM_RW?=?1;
	LCM_E?=?0;
	LCM_E?=?0;
	LCM_E?=?1;
	while?（LCM_Data?&?Busy）;?//檢測忙信號
	return（LCM_Data）;
}

void?LCMInit（void）?//LCM初始化
{
	LCM_Data?=?0;
	WriteCommandLCM（0x380）;?//三次顯示模式設置，不檢測忙信號
	Delay5Ms（）;?
	WriteCommandLCM（0x380）;
	Delay5Ms（）;?
	WriteCommandLCM（0x380）;
	Delay5Ms（）;?

	WriteCommandLCM（0x381）;?//顯示模式設置開始要求每次檢測忙信號
	WriteCommandLCM（0x081）;?//關閉顯示
	WriteCommandLCM（0x011）;?//顯示清屏
	WriteCommandLCM（0x061）;?//?顯示光標移動設置
	WriteCommandLCM（0x0F1）;?//?顯示開及光標設置
}

//按指定位置顯示一個字符
void?DisplayOneChar（unsign

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????88576??2011-03-21?12:07??超聲波資料\使用說明書.doc

?????文件???????4702??2010-06-20?22:33??超聲波資料\超聲波PIC單片機C程序\HC-SR04PIC.txt

?????文件???????5287??2009-12-22?22:40??超聲波資料\超聲波測距51C程序\51.C

?????文件??????15396??2010-05-01?20:52??超聲波資料\超聲波測距LC1602顯示\脈寬測量

?????文件???????6649??2011-02-15?18:23??超聲波資料\超聲波測距LC1602顯示\脈寬測量.c

?????文件???????5450??2010-05-01?20:52??超聲波資料\超聲波測距LC1602顯示\脈寬測量.hex

?????文件?????????33??2010-05-01?20:52??超聲波資料\超聲波測距LC1602顯示\脈寬測量.lnp

?????文件??????13847??2010-05-01?20:52??超聲波資料\超聲波測距LC1602顯示\脈寬測量.LST

?????文件??????17585??2010-05-01?20:52??超聲波資料\超聲波測距LC1602顯示\脈寬測量.M51

?????文件??????16477??2010-05-01?20:52??超聲波資料\超聲波測距LC1602顯示\脈寬測量.OBJ

?????文件???????1149??2011-02-15?18:23??超聲波資料\超聲波測距LC1602顯示\脈寬測量.Opt

?????文件??????????0??2011-02-18?13:22??超聲波資料\超聲波測距LC1602顯示\脈寬測量.plg

?????文件???????1691??2011-02-18?13:22??超聲波資料\超聲波測距LC1602顯示\脈寬測量.Uv2

?????文件???????1153??2011-02-15?18:23??超聲波資料\超聲波測距LC1602顯示\脈寬測量_Opt.Bak

?????文件???????1996??2011-02-15?18:08??超聲波資料\超聲波測距LC1602顯示\脈寬測量_Uv2.Bak

?????文件??????17573??2010-05-01?20:54??超聲波資料\超聲波測距LCD12864顯示\測距程序

?????文件??????13060??2011-02-15?18:24??超聲波資料\超聲波測距LCD12864顯示\測距程序.C

?????文件???????8940??2010-05-01?20:54??超聲波資料\超聲波測距LCD12864顯示\測距程序.hex

?????文件?????????48??2010-05-01?20:54??超聲波資料\超聲波測距LCD12864顯示\測距程序.lnp

?????文件??????21840??2010-05-01?20:54??超聲波資料\超聲波測距LCD12864顯示\測距程序.LST

?????文件??????19085??2010-05-01?20:54??超聲波資料\超聲波測距LCD12864顯示\測距程序.M51

?????文件??????19088??2010-05-01?20:54??超聲波資料\超聲波測距LCD12864顯示\測距程序.OBJ

?????文件????????978??2011-02-15?18:24??超聲波資料\超聲波測距LCD12864顯示\測距程序.Opt

?????文件????????208??2011-02-15?18:24??超聲波資料\超聲波測距LCD12864顯示\測距程序.plg

?????文件???????1999??2011-02-15?18:08??超聲波資料\超聲波測距LCD12864顯示\測距程序.Uv2

?????文件????????975??2011-02-15?18:08??超聲波資料\超聲波測距LCD12864顯示\測距程序_Opt.Bak

?????文件???????2151??2010-04-21?23:37??超聲波資料\超聲波測距LCD12864顯示\測距程序_Uv2.Bak

?????文件??????78451??2009-11-01?20:47??超聲波資料\超聲波測距串口顯示\串口接線方式.jpg

?????文件??????10584??2010-05-01?20:54??超聲波資料\超聲波測距串口顯示\測距程序

?????文件???????2297??2011-02-15?18:24??超聲波資料\超聲波測距串口顯示\測距程序.C

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