📄 [分享]4x4键盘扫描程序[avr论坛].mht
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<DIV style=3D"FLOAT: left; MARGIN: 3px; WIDTH: 23px; TEXT-INDENT: =
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style=3D"MARGIN-TOP: 10px; FONT-SIZE: 9pt; MIN-HEIGHT: 200px; =
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onload=3D"this.style.overflowX=3D'auto';">
<P>4X4=BC=FC=C5=CC=C9=A8=C3=E8=B3=CC=D0=F2=A3=AC=B2=C9=D3=C3=B2=E9=B1=ED=B7=
=BD=CA=BD=A3=AC=CA=CA=D3=C3=D3=DAAVR=B5=A5=C6=AC=BB=FA=A1=A3</P>
<P>=B4=CB=B4=A6=CE=AA4X4=BC=FC=C5=CC=C8=ED=BC=FE=B2=BF=B7=D6=A3=AC=D3=B2=BC=
=FE=B2=BF=B7=D6=C9=E8=BC=C6=C7=EB=B2=CE=D5=D5=A3=BA<A=20
href=3D"http://www.iccavr.com/forum/dispbbs.asp?boardID=3D2&ID=3D9&am=
p;page=3D1"=20
target=3D_blank><FONT =
color=3D#0000ff><STRONG>4X4=BC=FC=C5=CC=C9=A8=C3=E8=B5=E7=C2=B7=B7=D6=CE=F6=
</STRONG></FONT></A>=A1=A3</P>
<P>=B4=CB=B3=CC=D0=F2=B6=D4=D3=A6=B5=C4=BC=FC=C5=CC=B5=E7=C2=B7=CE=AA=A3=BA=
</P><IMG style=3D"CURSOR: pointer"=20
onclick=3Djavascript:window.open(this.src); height=3D450 =
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src=3D"http://www.iccavr.com/forum/UploadFile/2006-9/20069201353251566.gi=
f"=20
width=3D750 onload=3Dimgresize(this); border=3D0>=20
<DIV align=3Dright><FONT =
color=3D#000066>[=B4=CB=CC=F9=D7=D3=D2=D1=BE=AD=B1=BB=D7=F7=D5=DF=D3=DA20=
07-1-10=20
23:43:12=B1=E0=BC=AD=B9=FD]</FONT></DIV></DIV></DIV></DIV>
<DIV class=3Dpostbottom1>
<DIV class=3Dpostuserinfo style=3D"HEIGHT: 28px">
<DIV style=3D"FLOAT: left"><IMG style=3D"MARGIN: 4px" =
alt=3Dip=B5=D8=D6=B7=D2=D1=C9=E8=D6=C3=B1=A3=C3=DC=20
src=3D"http://iccavr.com/forum/skins/Default/ip.gif"></DIV>2006-10-31=20
7:40:00</DIV>
<DIV class=3Dpostie=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; =
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<DIV style=3D"FLOAT: right; MARGIN-RIGHT: 5px"><A=20
href=3D"http://iccavr.com/forum/Dispbbs.asp?BoardID=3D2&replyID=3D263=
5&id=3D28&skin=3D0#top"><IMG=20
style=3D"BORDER-TOP-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; =
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alt=3D"" src=3D"http://iccavr.com/forum/skins/Default/p_up.gif"></A> =
</DIV>
<DIV><A=20
href=3D"http://iccavr.com/forum/dispbbs.asp?boardID=3D7&ID=3D11&p=
age=3D1"><FONT=20
color=3D#0000ff>AVR=B5=A5=C6=AC=BB=FA=B3=F5=D1=A7=D5=DF=C3=E2=B7=D1=B8=A8=
=B5=BC=D1=A7=CF=B0=A3=AC=BB=B6=D3=AD=B3=F5=D1=A7=D5=DF=B2=CE=BC=D3=A3=AC=BB=
=B6=D3=AD=B8=DF=CA=D6=BC=D3=C8=EB=A1=A3</FONT></A></DIV></DIV></DIV><A=20
name=3D141></A>
<DIV class=3Dpostlary2>
<DIV class=3Dpostuserinfo>
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LINE-HEIGHT: 30px; PADDING-TOP: 10px; HEIGHT: 30px">
<DIV=20
style=3D"FILTER: glow(color=3D'#A6BA98',strength=3D'2'); FLOAT: left; =
WIDTH: 120px"><FONT=20
face=3DVerdana color=3D#61b713><B>AVR_AFA</B></FONT></DIV>
<DIV style=3D"FLOAT: left; MARGIN: 3px; WIDTH: 23px; TEXT-INDENT: =
0px"><IMG=20
alt=3D=CB=A7=B8=E7=D3=B4=A3=AC=D4=DA=CF=DF=A3=AC=D3=D0=C8=CB=D5=D2=CE=D2=C2=
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<DIV style=3D"FLOAT: left; MARGIN: 5px; WIDTH: 15px; TEXT-INDENT: 0px">
<SCRIPT language=3Djavascript type=3Dtext/javascript>document.write =
(astro('1983-12-28'));</SCRIPT>
</DIV></DIV>
<DIV><IMG height=3D31 alt=3D"" =
src=3D"http://iccavr.com/links/pic/logo.gif"=20
width=3D88></DIV>
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src=3D"http://iccavr.com/forum/skins/Default/star/level7.gif"></DIV>
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<DIV class=3Dpost>
<DIV>
<DIV style=3D"FLOAT: right">=B5=DA <FONT color=3Dred>2</FONT> =
=C2=A5</DIV> <A=20
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target=3D_blank><IMG =
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src=3D"http://iccavr.com/forum/skins/Default/alipay_s.gif" =
align=3Dmiddle=20
border=3D0></A> <A href=3D"mailto:quxianfaaf@163.com"><IMG =
alt=3D=B5=E3=BB=F7=D5=E2=C0=EF=B7=A2=CB=CD=B5=E7=D7=D3=D3=CA=BC=FE=B8=F8A=
VR_AFA=20
src=3D"http://iccavr.com/forum/skins/Default/email.gif" align=3Dmiddle =
border=3D0></A>=20
<A href=3D"http://www.iccavr.com/" target=3D_blank><IMG =
alt=3D=B7=C3=CE=CAAVR_AFA=B5=C4=D6=F7=D2=B3=20
src=3D"http://iccavr.com/forum/skins/Default/homepage.gif" =
align=3Dmiddle=20
border=3D0></A> </DIV>
<HR>
<DIV style=3D"LINE-HEIGHT: 22px; HEIGHT: 22px">
<DIV style=3D"FLOAT: left"><IMG alt=3D=B7=A2=CC=F9=D0=C4=C7=E9=20
src=3D"http://iccavr.com/forum/skins/Default/topicface/face1.gif"></DIV><=
B>=BC=FC=C5=CC=D7=B4=CC=AC=C9=A8=C3=E8=BA=AF=CA=FD</B></DIV>
<DIV=20
style=3D"MARGIN-TOP: 10px; FONT-SIZE: 9pt; MIN-HEIGHT: 200px; =
WORD-BREAK: break-all; TEXT-INDENT: 0px; LINE-HEIGHT: normal; WORD-WRAP: =
break-word"=20
onload=3D"this.style.overflowX=3D'auto';"><PRE>/*<BR>=BC=FC=C5=CC=C9=A8=C3=
=E8=BA=AF=CA=FD<BR> =B6=C1=C8=A1=B5=B1=C7=B0=BC=FC=C5=CC=B5=C4=D7=B4=
=CC=AC<BR> =D3=D0=B0=B4=BC=FC=B0=B4=CF=C2=B7=B5=BB=D8=CF=E0=D3=A6=B0=
=B4=BC=FC=D6=B5<BR> =CE=DE=B0=B4=BC=FC=B0=B4=CF=C2=B7=B5=BB=D8"0x00"=
<BR>*/<BR>unsigned char key_read(void){<BR> unsigned char =
i;<BR> <BR> DDRA =3D =
0x00;/*=BB=F1=C8=A1=C1=D0=B5=D8=D6=B7*/<BR> PORTA =3D =
0x0F;<BR> DDRA =3D 0xF0;<BR> i =3D =
PINA;<BR> <BR> DDRA =3D =
0x00;/*=BB=F1=C8=A1=D0=D0=B5=D8=D6=B7*/<BR> PORTA =3D =
0xF0;<BR> DDRA =3D 0x0F;<BR> i |=3D =
PINA;<BR> <BR> DDRA =3D =
0x00;/*=CA=E4=B3=F6=B8=B4=CE=BB*/<BR> PORTA =3D =
0xFF;<BR> <BR> switch (i) =
{/*=BD=AB=B0=B4=BC=FC=C2=EB=D7=AA=BB=BB=B3=C9=BC=FC=D6=B5*/<BR> &nbs=
p;case 0x00: return 0x00;<BR> case =
0xEE: return '1';<BR> case 0xDE: return =
'2';<BR> case 0xBE: return =
'3';<BR> case 0x7E: return =
'A';<BR> case 0xED: return =
'4';<BR> case 0xDD: return =
'5';<BR> case 0xBD: return =
'6';<BR> case 0x7D: return =
'B';<BR> case 0xEB: return =
'7';<BR> case 0xDB: return =
'8';<BR> case 0xBB: return =
'9';<BR> case 0x7B: return =
'C';<BR> case 0xE7: return =
'*';<BR> case 0xD7: return =
'0';<BR> case 0xB7: return =
'#';<BR> case 0x77: return =
'D';<BR> default : return 0x00;<BR> } =
<BR>}</PRE>
<DIV align=3Dright><FONT =
color=3D#000066>[=B4=CB=CC=F9=D7=D3=D2=D1=BE=AD=B1=BB=D7=F7=D5=DF=D3=DA20=
07-3-3=20
11:15:24=B1=E0=BC=AD=B9=FD]</FONT></DIV></DIV></DIV></DIV>
<DIV class=3Dpostbottom2>
<DIV class=3Dpostuserinfo style=3D"HEIGHT: 28px">
<DIV style=3D"FLOAT: left"><IMG style=3D"MARGIN: 4px" =
alt=3Dip=B5=D8=D6=B7=D2=D1=C9=E8=D6=C3=B1=A3=C3=DC=20
src=3D"http://iccavr.com/forum/skins/Default/ip.gif"></DIV>2006-10-31=20
7:42:00</DIV>
<DIV class=3Dpostie=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; =
TEXT-INDENT: 10px; PADDING-TOP: 0px; HEIGHT: 28px">
<DIV style=3D"FLOAT: right; MARGIN-RIGHT: 5px"><A=20
href=3D"http://iccavr.com/forum/Dispbbs.asp?BoardID=3D2&replyID=3D263=
5&id=3D28&skin=3D0#top"><IMG=20
style=3D"BORDER-TOP-WIDTH: 0px; BORDER-LEFT-WIDTH: 0px; =
BORDER-BOTTOM-WIDTH: 0px; MARGIN: 4px; BORDER-RIGHT-WIDTH: 0px"=20
alt=3D"" src=3D"http://iccavr.com/forum/skins/Default/p_up.gif"></A> =
</DIV>
<DIV><A=20
href=3D"http://iccavr.com/forum/dispbbs.asp?boardID=3D7&ID=3D11&p=
age=3D1"><FONT=20
color=3D#0000ff>AVR=B5=A5=C6=AC=BB=FA=B3=F5=D1=A7=D5=DF=C3=E2=B7=D1=B8=A8=
=B5=BC=D1=A7=CF=B0=A3=AC=BB=B6=D3=AD=B3=F5=D1=A7=D5=DF=B2=CE=BC=D3=A3=AC=BB=
=B6=D3=AD=B8=DF=CA=D6=BC=D3=C8=EB=A1=A3</FONT></A></DIV></DIV></DIV><A=20
name=3D142></A>
<DIV class=3Dpostlary1>
<DIV class=3Dpostuserinfo>
<DIV=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; PADDING-BOTTOM: 0px; =
LINE-HEIGHT: 30px; PADDING-TOP: 10px; HEIGHT: 30px">
<DIV=20
style=3D"FILTER: glow(color=3D'#A6BA98',strength=3D'2'); FLOAT: left; =
WIDTH: 120px"><FONT=20
face=3DVerdana color=3D#61b713><B>AVR_AFA</B></FONT></DIV>
<DIV style=3D"FLOAT: left; MARGIN: 3px; WIDTH: 23px; TEXT-INDENT: =
0px"><IMG=20
alt=3D=CB=A7=B8=E7=D3=B4=A3=AC=D4=DA=CF=DF=A3=AC=D3=D0=C8=CB=D5=D2=CE=D2=C2=
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