#include
#include
#define?SEG?P0
#define?SCANP?P2
#define?count_M0?250
#define?TH_M0?（256-count_M0）
#define?TL_M0?（256-count_M0）
sbit?cs=P3^0;
sbit?wr=P3^6;
sbit?rd=P3^7;
sbit?intr=P3^2;
sbit?point=P3^4;
void?adc_st（void）;
void?adc_yx（void）;
unsigned?char?count_T0=0;
unsigned?char?code??tab[10]={0xc00xf90xa40xb00x990x920x830xf80x800x98};?
unsigned?char?code??scann[4]={0x010x020x040x08};???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
unsigned?char?disp[4]={0000};
unsigned?char?scan=0temp=0;
void?main（）
{unsigned?int?results;?
?TMOD=0x02;
?TH0=TH_M0;
?TL0=TL_M0;
?ET0?=?1;
?EA?=?1;
?TR0=1;
?adc_st（）;
while（1）
?{??
????if?（intr==0）
	?{?adc_yx（）;?
???????results=?temp?*?196;
???????results=?results/10;
???????disp[0]=results/1000;
???????disp[1]=（results/100）%10;
???????disp[2]=（results/10）%10;
???????disp[3]=results%10;
???????adc_st（）;
	???}
??}
}

void?adc_st（void）
{?cs=1;
??_nop_（）;
??wr=1;
??_nop_（）;
??rd=1;
??_nop_（）;
??intr=1;
??_nop_（）;
??P1=0xff;
??cs=0;
??_nop_（）;
??_nop_（）;
??wr=0;
??_nop_（）;
??_nop_（）;
??wr=1;
??_nop_（）;
???cs=1;
?}

?void?adc_yx（void）
?{?cs=0;
???_nop_（）;
???_nop_（）;
???rd=0;
???_nop_（）;
???_nop_（）;
???temp=P1;
???rd=1;
???_nop_（）;
???_nop_（）;
???cs=1;
???_nop_（）;
?}
void?T0_8ms（void）interrupt?1
{if?（++count_T0==10）
?????{count_T0=0;
	??if（++scan==5）
	?????{?
		??SEG=0xff;
		??scan=1;
	??????}
?????SCANP=scann[scan-1];
	?SEG=tab[disp[scan-1]];
	?if（scan==1）
	????point=0;
	??else
	????point=1;
	??}
}

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

?????文件??????88285??2009-08-06?21:52??AD0804\aaaa.DSN

?????文件????????653??2009-08-08?17:33??AD0804\aaaa.PWI

?????文件???????1652??2009-08-06?21:48??AD0804\AD0804.c

?????文件???????3934??2009-08-06?21:48??AD0804\AD0804.LST

?????文件???????6026??2009-08-06?21:48??AD0804\AD0804.OBJ

?????文件?????????36??2009-08-06?21:48??AD0804\AD0804.__i

?????文件???????6106??2009-08-06?21:48??AD0804\AD0804程序

?????文件???????1500??2009-08-06?21:48??AD0804\AD0804程序.hex

?????文件?????????49??2009-08-06?21:48??AD0804\AD0804程序.lnp

?????文件???????8377??2009-08-06?21:48??AD0804\AD0804程序.M51

?????文件???????1019??2009-08-06?21:52??AD0804\AD0804程序.Opt

?????文件????????765??2009-08-06?21:52??AD0804\AD0804程序.plg

?????文件???????2156??2009-08-06?21:52??AD0804\AD0804程序.Uv2

?????文件??????????0??2009-08-06?21:47??AD0804\AD0804程序_Uv2.Bak

?????文件??????30720??2009-08-08?17:47??AD0804\AD（模數轉換器）選型.doc

?????文件??????88285??2009-08-06?21:51??AD0804\Last?Loaded?aaaa.DBK

?????文件???????6376??2009-08-06?21:48??AD0804\STARTUP.A51

?????文件??????10689??2009-08-06?21:48??AD0804\STARTUP.LST

?????文件????????750??2009-08-06?21:48??AD0804\STARTUP.OBJ

?????目錄??????????0??2009-08-08?22:26??AD0804

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

???????????????257378????????????????????20