📄 第二节：双数码管可调秒表.mht
字号:
0x6d, 0x7d, 0x07, 0x7f, 0x6f, 0x77, 0x7c,&n=
bsp;0x39, 0x5e, 0x79, 0x71};=20
</SPAN>=20
<LI class=3Dalt><SPAN></SPAN><SPAN=20
class=3Dkeyword>void</SPAN><SPAN> main( </SPAN><SPAN=20
class=3Dkeyword>void</SPAN><SPAN> ) </SPAN>=20
<LI class=3D""><SPAN>{ </SPAN>=20
<LI class=3Dalt><SPAN> unsigned </SPAN><SPAN=20
class=3Ddatatypes>int</SPAN><SPAN> us250 =3D 0; =
</SPAN>=20
<LI class=3D""><SPAN> unsigned </SPAN><SPAN=20
class=3Ddatatypes>char</SPAN><SPAN> s10 =3D 0; =
</SPAN>=20
<LI class=3Dalt><SPAN> unsigned </SPAN><SPAN=20
class=3Ddatatypes>char</SPAN><SPAN> s1 =3D 0; =
</SPAN>=20
<LI class=3D""><SPAN> unsigned </SPAN><SPAN=20
=
class=3Ddatatypes>char</SPAN><SPAN> key10 =3D 0; </SP=
AN><SPAN=20
=
class=3Dcomment>//=BC=C7=D2=E4=B0=B4=BC=FC=D7=B4=CC=AC=A3=AC=CE=AA1=B0=B4=
=CF=C2 </SPAN><SPAN> </SPAN>=20
<LI class=3Dalt><SPAN> unsigned </SPAN><SPAN=20
=
class=3Ddatatypes>char</SPAN><SPAN> key1 =3D 0;  =
;</SPAN><SPAN=20
=
class=3Dcomment>//=BC=C7=D2=E4=B0=B4=BC=FC=D7=B4=CC=AC=A3=AC=CE=AA1=B0=B4=
=CF=C2 </SPAN><SPAN> </SPAN>=20
<LI class=3D""><SPAN> </SPAN><SPAN =
class=3Dcomment>//=B3=F5=CA=BC=BB=AF=B6=A8=CA=B1=C6=F7 Timer0=20
</SPAN><SPAN> </SPAN>=20
<LI=20
=
class=3Dalt><SPAN> TMOD =3D (TMOD & 0xF0)&nb=
sp;| 0x02;=20
</SPAN>=20
<LI class=3D""><SPAN> TH1 =3D -250; </SPAN><SPAN=20
=
class=3Dcomment>//=B6=D4=D3=DA8=CE=BB=B6=FE=BD=F8=CA=FD=C0=B4=CB=B5=A3=AC=
-250=3D6=A3=AC=D2=B2=BE=CD=CA=C7=BC=D3250=B4=CE1=CA=B1=CE=AA256=A3=AC=BC=B4=
=CE=AA0=20
</SPAN><SPAN> </SPAN>=20
<LI class=3Dalt><SPAN> TR1 =3D 1; </SPAN>=20
<LI class=3D""><SPAN> </SPAN><SPAN=20
=
class=3Dkeyword>while</SPAN><SPAN>(1){  =
; </SPAN><SPAN=20
class=3Dcomment>//----------=D1=AD=BB=B71 =
</SPAN><SPAN> </SPAN>=20
<LI=20
=
class=3Dalt><SPAN> P1 =3D Seg7Code[ s10 ];=
</SPAN><SPAN=20
class=3Dcomment>//=CF=D4=CA=BE=C3=EB=CA=AE=CE=BB =
</SPAN><SPAN> </SPAN>=20
<LI=20
=
class=3D""><SPAN> P2 =3D Seg7Code[ s1 ];&n=
bsp;</SPAN><SPAN=20
class=3Dcomment>//=CF=D4=CA=BE=C3=EB=B8=F6=CE=BB =
</SPAN><SPAN> </SPAN>=20
<LI class=3Dalt><SPAN> </SPAN><SPAN=20
=
class=3Dkeyword>while</SPAN><SPAN>( 1 ){  =
; </SPAN><SPAN=20
class=3Dcomment>//----------=D1=AD=BB=B72 =
</SPAN><SPAN> </SPAN>=20
<LI class=3D""><SPAN> </SPAN><SPAN =
class=3Dcomment>//=BC=C6=CA=B1=B4=A6=C0=ED=20
</SPAN><SPAN> </SPAN>=20
<LI class=3Dalt><SPAN></SPAN><SPAN=20
class=3Dkeyword>if</SPAN><SPAN>( TF0 =3D=3D 1 ){=20
</SPAN>=20
<LI class=3D""><SPAN> TF0 =3D 0;=20
</SPAN>=20
<LI class=3Dalt><SPAN> </SPAN><SPAN=20
=
class=3Dkeyword>if</SPAN><SPAN>( ++us250 >=3D 4000 =
;){=20
</SPAN>=20
<LI =
class=3D""><SPAN> us250 =3D 0;=20
</SPAN>=20
<LI class=3Dalt><SPAN> </SPAN><SPAN=20
=
class=3Dkeyword>if</SPAN><SPAN>( ++s1 >=3D 10 ){=20
</SPAN>=20
<LI =
class=3D""><SPAN> s1 =3D 0; =
</SPAN>=20
<LI class=3Dalt><SPAN> </SPAN><SPAN =
=
class=3Dkeyword>if</SPAN><SPAN>( ++s10 >=3D 6 )&nb=
sp;s10 =3D 0;=20
</SPAN>=20
<LI class=3D""><SPAN> } =
</SPAN>=20
<LI class=3Dalt><SPAN> </SPAN><SPAN=20
class=3Dkeyword>break</SPAN><SPAN>; </SPAN><SPAN=20
=
class=3Dcomment>//=BD=E1=CA=F8=A1=B0=D1=AD=BB=B72=A1=B1=A3=AC=D0=DE=B8=C4=
=CF=D4=CA=BE </SPAN><SPAN> </SPAN>=20
<LI class=3D""><SPAN> } </SPAN>=20
<LI class=3Dalt><SPAN> } </SPAN>=20
<LI class=3D""><SPAN> </SPAN><SPAN =
class=3Dcomment>//=B0=B4=CA=AE=CE=BB=BC=FC=B4=A6=C0=ED=20
</SPAN><SPAN> </SPAN>=20
<LI=20
=
class=3Dalt><SPAN> P3.2 =3D 1; </SP=
AN><SPAN=20
=
class=3Dcomment>//P3.2=D7=F7=CE=AA=CA=E4=C8=EB=A3=AC=CF=C8=D2=AA=CA=E4=B3=
=F6=B8=DF=B5=E7=C6=BD </SPAN><SPAN> </SPAN>=20
<LI class=3D""><SPAN> </SPAN><SPAN=20
=
class=3Dkeyword>if</SPAN><SPAN>( key10 =3D=3D 1 ){&nb=
sp;</SPAN><SPAN=20
class=3Dcomment>//=B5=C8=CB=C9=BC=FC </SPAN><SPAN> </SPAN>=20
<LI class=3Dalt><SPAN> </SPAN><SPAN=20
=
class=3Dkeyword>if</SPAN><SPAN>( P3.2 =3D=3D 1 ) =
;key10=3D0;=20
</SPAN>=20
<LI class=3D""><SPAN> } </SPAN>=20
<LI class=3Dalt><SPAN></SPAN><SPAN=20
class=3Dkeyword>else</SPAN><SPAN>{ </SPAN><SPAN=20
class=3Dcomment>//=CE=B4=B0=B4=BC=FC </SPAN><SPAN> </SPAN>=20
<LI class=3D""><SPAN> </SPAN><SPAN=20
class=3Dkeyword>if</SPAN><SPAN>( P3.2 =3D=3D 0 ){=20
</SPAN>=20
<LI =
class=3Dalt><SPAN> key10 =3D 1;=20
</SPAN>=20
<LI class=3D""><SPAN> </SPAN><SPAN=20
=
class=3Dkeyword>if</SPAN><SPAN>( ++s10 >=3D 6 )&nb=
sp;s10 =3D 0;=20
</SPAN>=20
<LI class=3Dalt><SPAN> </SPAN><SPAN=20
class=3Dkeyword>break</SPAN><SPAN>; </SPAN><SPAN=20
=
class=3Dcomment>//=BD=E1=CA=F8=A1=B0=D1=AD=BB=B72=A1=B1=A3=AC=D0=DE=B8=C4=
=CF=D4=CA=BE </SPAN><SPAN> </SPAN>=20
<LI class=3D""><SPAN> } </SPAN>=20
<LI class=3Dalt><SPAN> } </SPAN>=20
<LI class=3D""><SPAN> </SPAN><SPAN =
class=3Dcomment>//=B0=B4=B8=F6=CE=BB=BC=FC=B4=A6=C0=ED=20
</SPAN><SPAN> </SPAN>=20
<LI=20
=
class=3Dalt><SPAN> P3.3 =3D 1; </SP=
AN><SPAN=20
=
class=3Dcomment>//P3.3=D7=F7=CE=AA=CA=E4=C8=EB=A3=AC=CF=C8=D2=AA=CA=E4=B3=
=F6=B8=DF=B5=E7=C6=BD </SPAN><SPAN> </SPAN>=20
<LI class=3D""><SPAN> </SPAN><SPAN=20
=
class=3Dkeyword>if</SPAN><SPAN>( key1 =3D=3D 1 ) =
;</SPAN><SPAN=20
class=3Dcomment>//=B5=C8=CB=C9=BC=FC </SPAN><SPAN> </SPAN>=20
<LI class=3Dalt><SPAN>{ </SPAN><SPAN=20
=
class=3Dkeyword>if</SPAN><SPAN>( P3.3 =3D=3D 1 ) =
;key1=3D0; }=20
</SPAN>=20
<LI class=3D""><SPAN> </SPAN><SPAN=20
class=3Dkeyword>else</SPAN><SPAN> { </SPAN><SPAN =
class=3Dcomment>//=CE=B4=B0=B4=BC=FC </SPAN><SPAN> </SPAN>=20
<LI class=3Dalt><SPAN> </SPAN><SPAN=20
=
class=3Dkeyword>if</SPAN><SPAN>( P3.3 =3D=3D 0 ){&nbs=
p;key1 =3D 1;=20
</SPAN>=20
<LI class=3D""><SPAN> </SPAN><SPAN=20
=
class=3Dkeyword>if</SPAN><SPAN>( ++s1 >=3D 10 )&nb=
sp;s1 =3D 0;=20
</SPAN>=20
<LI class=3Dalt><SPAN> </SPAN><SPAN=20
class=3Dkeyword>break</SPAN><SPAN>; </SPAN><SPAN=20
=
class=3Dcomment>//=BD=E1=CA=F8=A1=B0=D1=AD=BB=B72=A1=B1=A3=AC=D0=DE=B8=C4=
=CF=D4=CA=BE </SPAN><SPAN> </SPAN>=20
<LI class=3D""><SPAN> } </SPAN>=20
<LI class=3Dalt><SPAN> } </SPAN>=20
<LI class=3D""><SPAN> } </SPAN><SPAN =
class=3Dcomment>//=D1=AD=BB=B72=A1=AFend=20
</SPAN><SPAN> </SPAN>=20
<LI class=3Dalt><SPAN> }</SPAN><SPAN =
class=3Dcomment>//=D1=AD=BB=B71=A1=AFend=20
</SPAN><SPAN> </SPAN>=20
<LI class=3D""><SPAN>}</SPAN><SPAN=20
class=3Dcomment>//main=A1=AFend</SPAN><SPAN> </SPAN> =
</LI></OL></DIV>
<P><BR></P></DIV>
<DIV class=3Dpagebreak>=B9=B29=D2=B3: <A=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2008/0108/2945_2.html">=C9=
=CF=D2=BB=D2=B3</A> <A=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2008/0108/2945.html">1</A=
> <A=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2008/0108/2945_2.html">2<=
/A>=20
<STRONG>3</STRONG><A=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2008/0108/2945_4.html">4<=
/A> <A=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2008/0108/2945_5.html">5<=
/A> <A=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2008/0108/2945_6.html">6<=
/A> <A=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2008/0108/2945_7.html">7<=
/A> <A=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2008/0108/2945_8.html">8<=
/A> <A=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2008/0108/2945_9.html">9<=
/A> <A=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2008/0108/2945_4.html">=CF=
=C2=D2=BB=D2=B3</A>=20
</DIV>
<DIV class=3Dtext_tag>
<H5>Tags=A3=BA<B><B><A =
href=3D"http://www.dzkf.cn/tag.php?/Keil/">Keil</A></B> =20
<B><A =
href=3D"http://www.dzkf.cn/tag.php?/51%B5%A5%C6%AC%BB%FA/">51=B5=A5=C6=AC=
=BB=FA</A></B>=20
</B> </H5>
<LI style=3D"DISPLAY: none"></LI></DIV>
<DIV class=3Dxg>
<LI>=C9=CF=D2=BB=C6=AA=A3=BA<A=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2008/0108/2944.html">uCOS=
=20
II=BE=CD=D0=F7=B1=ED=A3=A8Ready List=A3=A9=B7=D6=CE=F6</A> </LI>
<LI>=CF=C2=D2=BB=C6=AA=A3=BA<A=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2008/0121/2967.html">Wind=
ows CE=20
OAL=B2=E3=B5=C4=BD=E1=B9=B9=D3=EB=BF=AA=B7=A2</A> </LI>
<LI>=A1=A4<A =
title=3D=B5=A5=C6=AC=BB=FA=CF=B5=CD=B3=D6=D0PS/2=BC=FC=C5=CC=C7=FD=B6=AF=B3=
=CC=D0=F2=B5=C4=C9=E8=BC=C6=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2007/0924/2619.html">=B5=A5=
=C6=AC=BB=FA=CF=B5=CD=B3=D6=D0PS/2=BC=FC=C5=CC=C7=FD=B6=AF=B3=CC=D0=F2=B5=
=C4=C9=E8=BC=C6</A>=20
</LI>
<LI>=A1=A4<A title=3D"Keil =
C51=B6=D4=CD=AC=D2=BB=B6=CB=BF=DA=B5=C4=C1=AC=D0=F8=B6=C1=C8=A1=B7=BD=B7=A8=
"=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2007/0810/2480.html">Keil=
=20
C51=B6=D4=CD=AC=D2=BB=B6=CB=BF=DA=B5=C4=C1=AC=D0=F8=B6=C1=C8=A1=B7=BD=B7=A8=
</A> </LI>
<LI>=A1=A4<A =
title=3D51=B5=A5=C6=AC=BB=FA=B2=D9=D7=F7=CF=B5=CD=B3=BF=AA=B7=A2=D6=D0=B5=
=C4=CE=CA=CC=E2=D3=EB=BC=BC=C7=C9=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2006/0919/657.html">51=B5=
=A5=C6=AC=BB=FA=B2=D9=D7=F7=CF=B5=CD=B3=BF=AA=B7=A2=D6=D0=B5=C4=CE=CA=CC=E2=
=D3=EB=BC=BC=C7=C9</A>=20
</LI>
<LI>=A1=A4<A =
title=3DSPI=D7=DC=CF=DF=D4=DA51=B5=A5=C6=AC=BB=FA=CF=B5=CD=B3=D6=D0=B5=C4=
=CA=B5=CF=D6=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2009/0112/3605.html">SPI=D7=
=DC=CF=DF=D4=DA51=B5=A5=C6=AC=BB=FA=CF=B5=CD=B3=D6=D0=B5=C4=CA=B5=CF=D6</=
A>=20
</LI>
<LI>=A1=A4<A =
title=3D=D0=A1=C8=DD=C1=BF=B5=A5=C6=AC=BB=FA=CF=B5=CD=B3=B5=C4C=D3=EF=D1=D4=
=B3=CC=D0=F2=BD=E1=B9=B9=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2007/0619/2260.html">=D0=A1=
=C8=DD=C1=BF=B5=A5=C6=AC=BB=FA=CF=B5=CD=B3=B5=C4C=D3=EF=D1=D4=B3=CC=D0=F2=
=BD=E1=B9=B9</A>=20
</LI>
<LI>=A1=A4<A title=3D"Keil C51=B3=F5=CA=BC=BB=AF=B4=FA=C2=EB =
Startup.a51=B5=C4=D6=D0=CE=C4=CB=B5=C3=F7"=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2007/0104/1333.html">Keil=
C51=B3=F5=CA=BC=BB=AF=B4=FA=C2=EB=20
Startup.a51=B5=C4=D6=D0=CE=C4=CB=B5=C3=F7</A> </LI>
<LI>=A1=A4<A =
title=3D=D4=DA51=CF=B5=C1=D0=B5=A5=C6=AC=BB=FA=C9=CF=D2=C6=D6=B2uCOS-II=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2006/0828/454.html">=D4=DA=
51=CF=B5=C1=D0=B5=A5=C6=AC=BB=FA=C9=CF=D2=C6=D6=B2uCOS-II</A>=20
</LI>
<LI>=A1=A4<A =
title=3DMCS-51=B5=A5=C6=AC=BB=FA=B5=C4=D6=B8=C1=EE=CA=B1=D0=F2=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2007/0214/1594.html">MCS-=
51=B5=A5=C6=AC=BB=FA=B5=C4=D6=B8=C1=EE=CA=B1=D0=F2</A>=20
</LI></DIV></DIV></DIV>
<DIV class=3Dcol2>
<DIV class=3D"right_box right_bot">
<DIV class=3Dright_title>=CD=C6=BC=F6=CE=C4=D5=C2</DIV>
<UL>
<LI>=A1=A4 <A =
title=3DS3C2440A=CF=C2=B2=CA=C9=AB=D2=BA=BE=A7=CF=D4=CA=BE=CF=B5=CD=B3=B5=
=C4=C9=E8=BC=C6=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2007/0718/2396.html"=20
=
target=3D_blank>S3C2440A=CF=C2=B2=CA=C9=AB=D2=BA=BE=A7=CF=D4=CA=BE=CF=B5=CD=
=B3=B5=C4=C9=E8=BC=C6</A>
<LI>=A1=A4 <A =
title=3D51=B5=A5=C6=AC=BB=FA=C7=FD=B6=AF=B2=BD=BD=F8=B5=E7=BB=FA=B5=E7=C2=
=B7=BC=B0=B3=CC=D0=F2=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2007/0626/2295.html"=20
=
target=3D_blank>51=B5=A5=C6=AC=BB=FA=C7=FD=B6=AF=B2=BD=BD=F8=B5=E7=BB=FA=B5=
=E7=C2=B7=BC=B0=B3=CC=D0=F2</A>
<LI>=A1=A4 <A title=3DuC/OS-II=CF=B5=CD=B3=BF=AA=B7=A2=B1=CA=BC=C7=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2007/0619/2257.html"=20
target=3D_blank>uC/OS-II=CF=B5=CD=B3=BF=AA=B7=A2=B1=CA=BC=C7</A>
<LI>=A1=A4 <A title=3DVxWorks=D6=D0=CE=C4FAQ=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2007/0604/2187.html"=20
target=3D_blank>VxWorks=D6=D0=CE=C4FAQ</A>
<LI>=A1=A4 <A =
title=3DTornado=D6=AETrueFFS=B1=E0=B3=CC=D5=DF=D6=B8=C4=CF=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2007/0528/2158.html"=20
target=3D_blank>Tornado=D6=AETrueFFS=B1=E0=B3=CC=D5=DF=D6=B8=C4=CF</A>
<LI>=A1=A4 <A =
title=3D=C7=B6=C8=EB=CA=BD=CA=B5=CA=B1=B2=D9=D7=F7=CF=B5=CD=B3VxWorks=C8=EB=
=C3=C5=A3=AD=BF=AA=B7=A2=BB=B7=BE=B3=B9=B9=BD=A8=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2007/0430/2028.html"=20
=
target=3D_blank>=C7=B6=C8=EB=CA=BD=CA=B5=CA=B1=B2=D9=D7=F7=CF=B5=CD=B3VxW=
orks=C8=EB=C3=C5=A3=AD</A>
<LI>=A1=A4 <A =
title=3D=D4=DAS3C2410=C9=CF=D2=C6=D6=B2yaffs2=CE=C4=BC=FE=CF=B5=CD=B3=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2007/0328/1832.html"=20
=
target=3D_blank>=D4=DAS3C2410=C9=CF=D2=C6=D6=B2yaffs2=CE=C4=BC=FE=CF=B5=CD=
=B3</A>
<LI>=A1=A4 <A =
title=3D51=B5=A5=C6=AC=BB=FA=CA=E4=B3=F6PWM=B5=C4=C1=BD=D6=D6=B7=BD=B7=A8=
=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2007/0301/1652.html"=20
=
target=3D_blank>51=B5=A5=C6=AC=BB=FA=CA=E4=B3=F6PWM=B5=C4=C1=BD=D6=D6=B7=BD=
=B7=A8</A>
<LI>=A1=A4 <A =
title=3DucLinux=C4=DA=BA=CB=D2=C6=D6=B2=CF=E0=B9=D8=B4=FA=C2=EB=B7=D6=CE=F6=
=20
href=3D"http://www.dzkf.cn/html/qianrushixitong/2007/0122/1446.html"=20
=
target=3D_blank>ucLinux=C4=DA=BA=CB=D2=C6=D6=B2=CF=E0=B9=D8=B4=FA=C2=EB=B7=
=D6=CE=F6</A>
<LI>=A1=A4 <A =
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