#include?“reg51.h“
#include?“absacc.h“
#define?T0_H?（（65536-5000）/256）//定時顯示刷率
#define?T0_L?（（65536-5000）%256）
#define?T1_H?（（65536-1000）/256）//采樣周期
#define?T1_L?（（65536-1000）%256）
unsigned?char?value[4];
unsigned?char?data??ch=0;
unsigned?char?dch=0;
static?int?dink=0;
unsigned?int?Adress;
unsigned?char?code?seg_code[]={0xc00xF90xA40xB00x99//0-4
??????????????????0x920x820xF80x800x90//5-9
				??0x880x830xC60xA10x86//AbCdE
				??0x8E0xFF0x0C0x890x7F0xBF//F空格PH.-
					};
unsigned???char??bit_code[]={0x010x020x040x08};
void?main（）
{
?IT1=1;EX1=1;
?IT0=1;EX0=1;
?TMOD=0x11;
?TH0=T0_H;?TL0=T0_L;
?TH1=T1_H;?TL1=T1_L;
?ET0=1;ET1=1;TR0=1;TR1=1;
?EA=1;
?

?while（1）;
}

void?EX1_INT（）?interrupt?2
{
?Adress=P2<<8;
?Adress=Adress&0x7fff;
?value[ch]=XBYTE[Adress];
?ch++;
?if（ch>3）?ch=0;
?
?
}
//根據按鍵切換顯示通道
void?EX0_INT（）?interrupt??0
{dch++;
?if?（dch>3）?dch=0;
}
//顯示通道dch的AD轉換值
void?T0_INT（）?interrupt?1
{
?TH0=T0_H;?TL0=T0_L;
?d=n%10;n=n/10;
?P2=0;
?P1=seg_code[d];
?P2=bit_code[k];
?k++;
?if（n==0）?{
???n=value[dch];k=0;
?}
}
//每隔20ms檢測一個通道
?void?T1_INT（）?interrupt?3
{?
??Adress=P2<<8;
??Adress=Adress&0x7fff;
??XBYTE[Adress]=ch;
?
??TH1=T1_H;?TL1=T1_L;
??
}

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

?????文件???????5115??2002-04-16?14:32??multiCh\STARTUP.A51

?????文件???????3226??2011-12-06?01:38??multiCh\adc0_3.plg

?????文件???????1303??2011-12-06?01:36??multiCh\adc0_3.c

?????文件??????11665??2011-12-06?01:36??multiCh\STARTUP.LST

?????文件?????????45??2011-12-06?01:36??multiCh\adc0_3.lnp

?????文件???????7594??2011-12-06?01:36??multiCh\adc0_3.M51

?????文件???????1960??2011-12-06?01:36??multiCh\adc0_3.hex

????.......??????2039??2011-12-02?02:54??multiCh\adc0_3_Uv2.Bak

?????文件???????2043??2011-12-02?04:47??multiCh\adc0_3.Uv2

?????文件???????1342??2011-12-06?01:10??multiCh\MultiCh.PWI

?????文件?????102327??2011-12-06?00:19??multiCh\Last?Loaded?MultiCh.DBK

?????文件?????102326??2011-12-06?01:10??multiCh\MultiCh.DSN

?????文件????????749??2011-12-06?01:36??multiCh\STARTUP.OBJ

?????文件???????3202??2011-12-06?01:36??multiCh\adc0_3.LST

?????文件???????6136??2011-12-06?01:36??multiCh\adc0_3.OBJ

?????文件???????6166??2011-12-06?01:36??multiCh\adc0_3

????.......??????1514??2011-12-05?09:02??multiCh\adc0_3_Opt.Bak

?????文件???????1539??2011-12-06?01:38??multiCh\adc0_3.Opt

?????文件?????299124??2011-12-06?23:32??multiCh\MultiCh.EMF

????..A.SH.??????9216??2011-12-06?23:37??multiCh\Thumbs.db

?????目錄??????????0??2011-12-02?00:42??multiCh

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

???????????????568631????????????????????21