#include
#define?uchar?unsigned?char?
#define?uint?unsigned?int
#define?lcd_in?P6DIR=0X00;
#define?lcd_out?P6DIR=0XFF;
#define?rs_1?P4OUT|=BIT0;
#define?rs_0?P4OUT&=~BIT0;
#define?rw_1?P4OUT|=BIT1;
#define?rw_0?P4OUT&=~BIT1;
#define?en_1?P4OUT|=BIT2;
#define?en_0?P4OUT&=~BIT2;
#define?psb_1?P4OUT|=BIT3;
#define?rst_1?P4OUT|=BIT4;
uchar?const?table0[]={“超聲波測距工程“};
uchar?const?table1[]={“作者??韋炳機“};
uchar?const?table2[]={“距離:“};
uchar?i;
void?delay（unsigned?int?i）
{
??do
??{i--;}
??while（i>0）;
}
//************************寫命令
void?write_com（uchar?com）
{
?uchar?temp=0;
?rs_0;???//忙標志檢驗的時候要將RS置0RW置1
?rw_1;
?lcd_in;
?do
?{
??en_1;
??delay（1）;
??temp=P6IN;
??en_0;
?}?
?while（temp&0x80）;?
?lcd_out;
?rs_0;
?rw_0;
?P6OUT=com;
?en_1;
?delay（2）;
?en_0;?
}

//**************************寫數據

void?write_data（uchar?date）
{
uchar?temp;
rs_0;
rw_1;
lcd_in;
do????????????????//bf標志位檢測
{
en_1;
delay（1）;
temp=P6IN;
en_0;
}
while（temp&0x80）;
lcd_out;
rs_1;
rw_0;
P6OUT=date;
en_1;
delay（2）;
en_0;

}
//********************液晶初始化
void?init（）
{?
?write_com（0x30）;//基本指令集
??delay（2）;?
??write_com（0x02）;?//地址歸位
??delay（2）;?
??write_com（0x0c）;//整體顯示打開游標關閉
??delay（2）;
??write_com（0x01）;//清除顯示
??delay（2）;
??write_com（0x06）;//游標右移
??delay（2）;
??write_com（0x80）;//起始地址
??for（i=0;i<14;i++）
??{
????write_data（table0[i]）;
????delay（5）;
??}
??write_com（0x91）;
??for（i=0;i<12;i++）
??{
????write_data（table1[i]）;
????delay（5）;
??}
??write_com（0x98）;???//
??for（i=0;i<5;i++）
??{
????write_data（table2[i]）;
????delay（5）;
??}
}

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

?????文件???????1719??2009-07-18?11:12??超聲波\main.c

????.......?????38012??2004-09-22?10:18??超聲波\12864.ewp

?????文件???????3446??2009-08-01?22:21??超聲波\settings\12864.wsdt

?????文件???????1042??2009-07-10?19:20??超聲波\settings\12864.dni

?????文件???????3786??2009-06-23?01:48??超聲波\settings\12864.dbgdt

?????文件???????4377??2009-08-01?22:21??超聲波\settings\12864a.dbgdt

?????文件????????937??2009-08-01?22:21??超聲波\settings\12864a.dni

?????文件??????15099??2009-07-10?19:20??超聲波\Debug\Exe\12864.d43

?????文件??????19124??2009-07-18?11:12??超聲波\Debug\Exe\12864a.d43

?????文件????????135??2009-07-10?19:20??超聲波\Debug\Obj\12864.pbd

?????文件????????135??2009-08-01?22:20??超聲波\Debug\Obj\12864a.pbd

?????文件??????27143??2009-07-18?11:12??超聲波\Debug\Obj\main.r43

?????文件????????160??2009-07-10?23:13??超聲波\12864.eww

?????文件???????2558??2009-06-23?01:48??超聲波\12864.dep

?????文件???????1700??2009-09-29?19:51??超聲波\12864.c

?????文件??????11915??2009-07-11?19:17??超聲波\12864a.ewd

?????文件??????11915??2009-05-29?11:40??超聲波\12864.ewd

?????文件??????????0??2009-05-30?10:24??超聲波\QQ

?????文件???????9673??2009-06-22?21:24??超聲波\qq.h

????.......?????38012??2004-09-22?10:18??超聲波\12864a.ewp

?????文件???????2076??2009-08-01?22:21??超聲波\12864a.dep

?????目錄??????????0??2009-05-29?10:33??超聲波\Debug\Exe

?????目錄??????????0??2009-05-29?10:33??超聲波\Debug\Obj

?????目錄??????????0??2009-05-29?10:33??超聲波\Debug\List

?????目錄??????????0??2009-05-29?10:33??超聲波\settings

?????目錄??????????0??2009-05-29?10:33??超聲波\Debug

?????目錄??????????0??2009-05-29?10:32??超聲波

-----------?---------??----------?-----??----

???????????????192964????????????????????27



............此處省略0個文件信息