4×4矩阵式键盘识别技术.mht

一些Ｃ语言单片机程序

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width=3D552=20
        v:shapes=3D"_x0000_s1026 _x0000_s1027 _x0000_s1028 _x0000_s1029 =
_x0000_s1030 _x0000_s1031 _x0000_s1032 _x0000_s1033 _x0000_s1034 =
_x0000_s1035 _x0000_s1036 _x0000_s1037 _x0000_s1038 _x0000_s1039 =
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_x0000_s1080 _x0000_s1081 _x0000_s1082 _x0000_s1083 _x0000_s1084 =
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_x0000_s1090 _x0000_s1091 _x0000_s1092 _x0000_s1093 _x0000_s1094 =
_x0000_s1095 _x0000_s1096 _x0000_s1097 _x0000_s1098 _x0000_s1099 =
_x0000_s1100 _x0000_s1101 _x0000_s1102 _x0000_s1103 _x0000_s1104 =
_x0000_s1105 _x0000_s1106 _x0000_s1107 _x0000_s1108 _x0000_s1109 =
_x0000_s1110 _x0000_s1111 _x0000_s1112"></SPAN><!--[if gte vml =
1]><V:SHAPE=20
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        v:shapes=3D"_x0000_i1027"></SPAN><O:P> </O:P></SPAN></P>
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align=3Dcenter><SPAN=20
        style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-bidi-font-size: =
10.5pt">=CD=BC<SPAN=20
        lang=3DEN-US>4.14.3<O:P> </O:P></SPAN></SPAN></P>
        <P class=3DMsoNormal=20
        style=3D"MARGIN-LEFT: 18pt; TEXT-INDENT: -18pt; mso-list: l2 =
level1 lfo2; tab-stops: list 18.0pt"><B=20
        style=3D"mso-bidi-font-weight: normal"><I=20
        style=3D"mso-bidi-font-style: normal"><SPAN lang=3DEN-US=20
        style=3D"FONT-SIZE: 12pt; FONT-FAMILY: =D3=D7=D4=B2; =
mso-hansi-font-family: =CB=CE=CC=E5">6=A3=AE<SPAN=20
        style=3D"FONT: 7pt 'Times New Roman'"> </SPAN></SPAN></I></B><B=20
        style=3D"mso-bidi-font-weight: normal"><I=20
        style=3D"mso-bidi-font-style: normal"><SPAN=20
        style=3D"FONT-SIZE: 12pt; FONT-FAMILY: =D3=D7=D4=B2; =
mso-hansi-font-family: =CB=CE=CC=E5">=BB=E3=B1=E0=D4=B4=B3=CC=D0=F2<SPAN =

        lang=3DEN-US><O:P> </O:P></SPAN></SPAN></I></B></P>
        <P class=3DMsoNormal=20
        style=3D"LINE-HEIGHT: 10pt; mso-line-height-rule: exactly"><SPAN =

        lang=3DEN-US style=3D"FONT-SIZE: 9pt">KEYBUF<SPAN=20
        style=3D"mso-spacerun: yes">&nbsp;&nbsp;&nbsp; </SPAN>EQU =
30H<O:P>=20
        </O:P></SPAN></P>
        <P class=3DMsoNormal=20
        style=3D"LINE-HEIGHT: 10pt; mso-line-height-rule: exactly"><SPAN =

        lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
        style=3D"mso-spacerun: =
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
        </SPAN>ORG 00H<O:P> </O:P></SPAN></P>
        <P class=3DMsoNormal=20
        style=3D"LINE-HEIGHT: 10pt; mso-line-height-rule: exactly"><SPAN =

        lang=3DEN-US style=3D"FONT-SIZE: 9pt">START:<SPAN=20
        style=3D"mso-spacerun: yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</SPAN>MOV=20
        KEYBUF,#2<O:P> </O:P></SPAN></P>
        <P class=3DMsoNormal=20
        style=3D"LINE-HEIGHT: 10pt; mso-line-height-rule: exactly"><SPAN =

        lang=3DEN-US style=3D"FONT-SIZE: 9pt">WAIT:<SPAN=20
        style=3D"mso-spacerun: yes">&nbsp;&nbsp; =
</SPAN><O:P></O:P></SPAN></P>
        <P class=3DMsoNormal=20
        style=3D"LINE-HEIGHT: 10pt; mso-line-height-rule: exactly"><SPAN =

        lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
        style=3D"mso-spacerun: =
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
        </SPAN>MOV P3,#0FFH<O:P> </O:P></SPAN></P>
        <P class=3DMsoNormal=20
        style=3D"LINE-HEIGHT: 10pt; mso-line-height-rule: exactly"><SPAN =

        lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
        style=3D"mso-spacerun: =
yes">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=20
        </SPAN>CLR P3.4<O:P> </O:P></SPAN></P>
        <P class=3DMsoNormal=20
        style=3D"LINE-HEIGHT: 10pt; mso-line-height-rule: exactly"><SPAN =

        lang=3DEN-US style=3D"FONT-SIZE: 9pt"><SPAN=20
        style=