資源簡介
這是一款單片機的數字電壓表,當被測電壓高于當前量程時,可以自動切換到合適的量程。Proteus仿真+源程序.
代碼片段和文件信息
#include
unsigned?char?code?dispbitcode[]={0x3f0x060x5b0x4f0x660x6d0x7d0x070x7f0x6f};
unsigned?char?dispbuf[4];
unsigned?int?i;
unsigned?int?j;
unsigned?int?getdata;
unsigned?int?temp;
unsigned?int?temp1;
unsigned?char?count;
unsigned?char?d;
sbit?ST=P3^0;
sbit?OE=P3^1;
sbit?EOC=P3^2;
sbit?CLK=P3^3;
sbit?P34=P3^4;
sbit?P35=P3^5;
sbit?P36=P3^6;
sbit?P20=P2^0;
sbit?P21=P2^1;
sbit?P22=P2^2;
sbit?P23=P2^3;
sbit?P17=P1^7;
//sbit?s3=P2^7;??//位定義,控制模擬開關
sbit?s2=P2^6;
sbit?s1=P2^5;
#define ?_v10?{s1=1;s2=0;}
#define ?_v20?{s1=0;s2=1;}
?
unsigned?char?m;
void?TimeInitial();
void?Delay(unsigned?int?i);
void?TimeInitial()
{?TMOD=0x10;
?TH1=(65536-200)/256;
?TL1=(65536-200)%256;
?EA=1;
?ET1=1;
?TR1=1;
?}
void?Delay(unsigned?int?i)
{
??un
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????161710??2008-11-08?09:54??量程自動切換數字電壓表\Backup?Of?dsfssfs.DBK
?????文件???????1698??2009-01-04?08:28??量程自動切換數字電壓表\dsfssfs.PWI
?????文件???????7064??2008-11-05?21:39??量程自動切換數字電壓表\Keil源程序\asdf
?????文件???????3198??2008-11-05?21:39??量程自動切換數字電壓表\Keil源程序\asdf.hex
?????文件?????????26??2008-11-05?21:39??量程自動切換數字電壓表\Keil源程序\asdf.lnp
?????文件???????9584??2008-11-05?21:39??量程自動切換數字電壓表\Keil源程序\asdf.M51
?????文件????????756??2008-12-31?14:45??量程自動切換數字電壓表\Keil源程序\asdf.Opt
?????文件????????203??2008-12-31?14:45??量程自動切換數字電壓表\Keil源程序\asdf.plg
?????文件???????2049??2008-12-31?14:44??量程自動切換數字電壓表\Keil源程序\asdf.Uv2
????.......???????913??2008-12-31?14:44??量程自動切換數字電壓表\Keil源程序\asdf_Opt.Bak
????.......??????1931??2008-11-08?15:58??量程自動切換數字電壓表\Keil源程序\asdf_Uv2.Bak
?????文件???????1847??2008-11-05?21:51??量程自動切換數字電壓表\Keil源程序\Text1.c
?????文件???????4902??2008-11-05?21:39??量程自動切換數字電壓表\Keil源程序\Text1.LST
?????文件???????6893??2008-11-05?21:39??量程自動切換數字電壓表\Keil源程序\Text1.OBJ
?????文件???????1951??2008-12-31?14:42??量程自動切換數字電壓表\Keil源程序\Text12.c
?????文件???????5235??2008-12-31?14:41??量程自動切換數字電壓表\Keil源程序\Text12.LST
?????文件???????7112??2008-12-31?14:41??量程自動切換數字電壓表\Keil源程序\Text12.OBJ
?????文件???????7243??2008-12-31?14:41??量程自動切換數字電壓表\Keil源程序\zzz
?????文件???????3255??2008-12-31?14:41??量程自動切換數字電壓表\Keil源程序\zzz.hex
?????文件?????????41??2008-12-31?14:41??量程自動切換數字電壓表\Keil源程序\zzz.lnp
?????文件???????9997??2008-12-31?14:41??量程自動切換數字電壓表\Keil源程序\zzz.M51
?????文件????????975??2008-12-31?14:44??量程自動切換數字電壓表\Keil源程序\zzz.Opt
?????文件????????202??2008-12-31?14:44??量程自動切換數字電壓表\Keil源程序\zzz.plg
?????文件???????2105??2008-12-31?14:42??量程自動切換數字電壓表\Keil源程序\zzz.Uv2
????.......???????979??2008-12-31?14:42??量程自動切換數字電壓表\Keil源程序\zzz_Opt.Bak
????.......??????1986??2008-11-08?15:51??量程自動切換數字電壓表\Keil源程序\zzz_Uv2.Bak
?????目錄??????????0??2008-12-31?14:45??量程自動切換數字電壓表\Keil源程序
?????文件?????135019??2008-05-14?23:12??量程自動切換數字電壓表\Last?Loaded?asdf.DBK
?????文件?????161778??2009-01-04?08:28??量程自動切換數字電壓表\Last?Loaded?dsfssfs.DBK
?????文件?????115307??2008-11-05?21:43??量程自動切換數字電壓表\Last?Loaded?qqqq.DBK
............此處省略8個文件信息
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