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

sbit?DATA=P2^0;
sbit?SCK=P2^1;
sbit?CONV=P2^2;
sbit?P2_4=P2^4;
sbit?P2_5=P2^5;
sbit?P2_6=P2^6;
sbit?P2_7=P2^7;

uchar?V[4];
uchar?code?dig_num[10]={0x3f0x060x5b0x4f0x660x6d0x7d0x070x7f0x6f};??/*共陰級數碼管的段選碼*/
uchar?select[]={0x7f0xbf0xdf0xef};

void?delay（uint?z）			?//延時函數
{
????uint?xy;
	for（x=z;x>0;x--）
	???for（y=113;y>0;y--）;
}

uint?ult1860（）				//AD轉換部分
{
????uchar?i;
	uint?output=0;
	CONV=1;
	CONV=0;
????for（i=12;i>0;i--）
	{
		SCK=0;
	????SCK=1;
	????output|=DATA;
		output<<=1;
		
????}
	CONV=1;
	return?（output）;


}

void?changeV（uint?Vol）
{
???uchar?i;
??for（i=4;i>0;i--）					??//轉換為四位十進制
??{??
???V[i-1]=Vol/1638;
???Vol=Vol%1638*10;
???}
??for（i=4;i>0;i--）					??//數碼管輸出
??{
	P3=dig_num[V[i-1]];
	if（i==4）
???????P3|=0x80;?????????????????????//顯示小數點
	P2=（P2|0xf0）&select[i-1];
	delay（1）;
	P2|=0xf0;
??}	
??
???



}

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

?????文件??????85293??2008-11-09?17:33??ltc1860仿真\Last?Loaded?ltc1860.DBK

?????文件???????3731??2008-11-09?17:32??ltc1860仿真\ltc1860

?????文件???????1017??2008-11-09?16:45??ltc1860仿真\ltc1860.c

?????文件??????85284??2008-11-09?17:34??ltc1860仿真\ltc1860.DSN

?????文件???????1368??2008-11-09?17:32??ltc1860仿真\ltc1860.hex

?????文件?????????43??2008-11-09?17:32??ltc1860仿真\ltc1860.lnp

?????文件???????5898??2008-11-09?17:32??ltc1860仿真\ltc1860.M51

?????文件????????831??2008-11-09?17:34??ltc1860仿真\ltc1860.Opt

?????文件????????638??2008-11-09?17:32??ltc1860仿真\ltc1860.plg

?????文件????????742??2008-11-09?17:34??ltc1860仿真\ltc1860.PWI

?????文件???????2108??2008-11-09?16:45??ltc1860仿真\ltc1860.Uv2

?????文件?????????96??2008-11-09?14:24??ltc1860仿真\main.c

?????文件????????988??2008-11-09?17:32??ltc1860仿真\main.LST

?????文件???????3912??2008-11-09?17:32??ltc1860仿真\main.OBJ

?????目錄??????????0??2008-11-09?17:34??ltc1860仿真

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

???????????????191949????????????????????15