磁动力电子--本站原创--1602lcm液晶显示屏的驱动函数和实例.mht

详解一个电脑串口控制单片机驱动继电器的例子（全部源代码）

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                            <TD><FONT=20
                            =
color=3D#ffff00>=CA=B5=C0=FD=D6=D0=CF=D4=CA=BE=B1=BE=D5=BE=B5=C4=CD=F8=D6=
=B7=BA=CD=D5=BE=B3=A4=B5=C4EMail</FONT></TD></TR></TBODY></TABLE>
                        <P><A class=3DT12_R2=20
                        =
href=3D"http://www.cdle.net/web/wzadmin/download.asp?autoid=3D43"=20
                        =
target=3D_blank>SMC1602A=D2=BA=BE=A7=CF=D4=CA=BE=C6=C1=D7=CA=C1=CF(=B5=E3=
=BB=F7=CF=C2=D4=D8)</A><IMG height=3D16=20
                        src=3D"http://www.cdle.net/web/Image/click.gif"=20
                        width=3D18><IMG height=3D32=20
                        src=3D"http://www.cdle.net/web/Image/pdf.gif"=20
                        =
width=3D32>=A1=A1<BR><BR>*=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<BR>=CA=B9=D3=C3=
1602=D2=BA=BE=A7=CF=D4=CA=BE=B5=C4=CA=B5=D1=E9=C0=FD=D7=D3=20
                        =C3=F7=BA=C6=20
                        =
2004/2/27<BR>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=20
                        =
<BR>SMC1602A(16*2)=C4=A3=C4=E2=BF=DA=CF=DF=BD=D3=CF=DF=B7=BD=CA=BD<BR>=C1=
=AC=BD=D3=CF=DF=CD=BC:=20
                        =
<BR>---------------------------------------------------<BR>|LCM-----51=20
                        =A1=A1| LCM-----51=A1=A1=A1=A1|=A1=A1LCM------51 =

                        =
|<BR>---------------------------------------------|<BR>|DB0-----P1.0=20
                        | DB4-----P1.4 | RW-------P2.0 =
|<BR>|DB1-----P1.1 |=20
                        DB5-----P1.5 | RS-------P2.1 |<BR>|DB2-----P1.2 =
|=20
                        DB6-----P1.6 | E--------P2.2 |<BR>|DB3-----P1.3 =
|=20
                        DB7-----P1.7 |=20
                        =
VLCD=BD=D31K=B5=E7=D7=E8=B5=BDGND|<BR>-----------------------------------=
----------------</P>
                        =
<P><BR>[=D7=A2:AT89S51=CA=B9=D3=C312M=BE=A7=D5=F1]<BR>=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D*/</P>
                        <P>#define LCM_RW P2_0 =
//=B6=A8=D2=E5=D2=FD=BD=C5<BR>#define LCM_RS=20
                        P2_1<BR>#define LCM_E P2_2<BR>#define LCM_Data=20
                        P1<BR>#define Busy 0x80 =
//=D3=C3=D3=DA=BC=EC=B2=E2LCM=D7=B4=CC=AC=D7=D6=D6=D0=B5=C4Busy=B1=EA=CA=B6=
</P>
                        <P>#include &lt;at89x51.h&gt;</P>
                        <P>void WriteDataLCM(unsigned char =
WDLCM);<BR>void=20
                        WriteCommandLCM(unsigned char =
WCLCM,BuysC);<BR>unsigned=20
                        char ReadDataLCM(void);<BR>unsigned char=20
                        ReadStatusLCM(void);<BR>void =
LCMInit(void);<BR>void=20
                        DisplayOneChar(unsigned char X, unsigned char Y, =

                        unsigned char DData);<BR>void =
DisplayListChar(unsigned=20
                        char X, unsigned char Y, unsigned char code=20
                        *DData);<BR>void Delay5Ms(void);<BR>void=20
                        Delay400Ms(void);</P>
                        <P>unsigned char code cdle_net[] =3D=20
                        {"www.cdle.net"};<BR>unsigned char code email[] =
=3D=20
                        {"[e-mail]"};</P>
                        <P>void main(void)<BR>{<BR>Delay400Ms();=20
                        =
//=C6=F4=B6=AF=B5=C8=B4=FD=A3=AC=B5=C8LCM=BD=B2=C8=EB=B9=A4=D7=F7=D7=B4=CC=
=AC<BR>LCMInit(); //LCM=B3=F5=CA=BC=BB=AF<BR>Delay5Ms();=20
                        =
//=D1=D3=CA=B1=C6=AC=BF=CC(=BF=C9=B2=BB=D2=AA)</P>
                        <P>DisplayListChar(0, 0,=20
                        cdle_net);<BR>DisplayListChar(0, 1,=20
                        =
email);<BR>ReadDataLCM();//=B2=E2=CA=D4=D3=C3=BE=E4=CE=DE=D2=E2=D2=E5<BR>=
while(1);<BR>}</P>
                        <P>//=D0=B4=CA=FD=BE=DD<BR>void =
WriteDataLCM(unsigned char=20
                        WDLCM)<BR>{<BR>ReadStatusLCM(); =
//=BC=EC=B2=E2=C3=A6<BR>LCM_Data =3D=20
                        WDLCM;<BR>LCM_RS =3D 1;<BR>LCM_RW =3D =
0;<BR>LCM_E =3D 0;=20
                        =
//=C8=F4=BE=A7=D5=F1=CB=D9=B6=C8=CC=AB=B8=DF=BF=C9=D2=D4=D4=DA=D5=E2=BA=F3=
=BC=D3=D0=A1=B5=C4=D1=D3=CA=B1<BR>LCM_E =3D 0; //=D1=D3=CA=B1<BR>LCM_E =
=3D=20
                        1;<BR>}</P>
                        <P>//=D0=B4=D6=B8=C1=EE<BR>void =
WriteCommandLCM(unsigned char=20
                        WCLCM,BuysC) =
//BuysC=CE=AA0=CA=B1=BA=F6=C2=D4=C3=A6=BC=EC=B2=E2<BR>{<BR>if (BuysC)=20
                        ReadStatusLCM(); =
//=B8=F9=BE=DD=D0=E8=D2=AA=BC=EC=B2=E2=C3=A6<BR>LCM_Data =3D=20
                        WCLCM;<BR>LCM_RS =3D 0;<BR>LCM_RW =3D 0; =
<BR>LCM_E =3D=20
                        0;<BR>LCM_E =3D 0;<BR>LCM_E =3D 1; <BR>}</P>
                        <P>//=B6=C1=CA=FD=BE=DD<BR>unsigned char=20
                        ReadDataLCM(void)<BR>{<BR>LCM_RS =3D 1; =
<BR>LCM_RW =3D=20
                        1;<BR>LCM_E =3D 0;<BR>LCM_E =3D 0;<BR>LCM_E =3D=20
                        1;<BR>return(LCM_Data);<BR>}</P>
                        <P>//=B6=C1=D7=B4=CC=AC<BR>unsigned char=20
                        ReadStatusLCM(void)<BR>{<BR>LCM_Data =3D 0xFF; =
<BR>LCM_RS=20
                        =3D 0;<BR>LCM_RW =3D 1;<BR>LCM_E =3D 0;<BR>LCM_E =
=3D 0;<BR>LCM_E=20
                        =3D 1;<BR>while (LCM_Data &amp; Busy);=20
                        =
//=BC=EC=B2=E2=C3=A6=D0=C5=BA=C5<BR>return(LCM_Data);<BR>}</P>
                        <P>void LCMInit(void) =
//LCM=B3=F5=CA=BC=BB=AF<BR>{<BR>LCM_Data =3D=20
                        0;<BR>WriteCommandLCM(0x38,0);=20
                        =
//=C8=FD=B4=CE=CF=D4=CA=BE=C4=A3=CA=BD=C9=E8=D6=C3=A3=AC=B2=BB=BC=EC=B2=E2=
=C3=A6=D0=C5=BA=C5<BR>Delay5Ms();=20
                        <BR>WriteCommandLCM(0x38,0);<BR>Delay5Ms();=20
                        <BR>WriteCommandLCM(0x38,0);<BR>Delay5Ms(); </P>
                        <P>WriteCommandLCM(0x38,1);=20
                        =
//=CF=D4=CA=BE=C4=A3=CA=BD=C9=E8=D6=C3,=BF=AA=CA=BC=D2=AA=C7=F3=C3=BF=B4=CE=
=BC=EC=B2=E2=C3=A6=D0=C5=BA=C5<BR>WriteCommandLCM(0x08,1);=20
                        =
//=B9=D8=B1=D5=CF=D4=CA=BE<BR>WriteCommandLCM(0x01,1);=20
                        =
//=CF=D4=CA=BE=C7=E5=C6=C1<BR>WriteCommandLCM(0x06,1); //=20
                        =
=CF=D4=CA=BE=B9=E2=B1=EA=D2=C6=B6=AF=C9=E8=D6=C3<BR>WriteCommandLCM(0x0C,=
1); //=20
=CF=D4=CA=BE=BF=AA=BC=B0=B9=E2=B1=EA=C9=E8=D6=C3<BR>}</P>
                        =
<P>//=B0=B4=D6=B8=B6=A8=CE=BB=D6=C3=CF=D4=CA=BE=D2=BB=B8=F6=D7=D6=B7=FB<B=
R>void DisplayOneChar(unsigned char X,=20
                        unsigned char Y, unsigned char DData)<BR>{<BR>Y =
&amp;=3D=20
                        0x1;<BR>X &amp;=3D 0xF; =
//=CF=DE=D6=C6X=B2=BB=C4=DC=B4=F3=D3=DA15=A3=ACY=B2=BB=C4=DC=B4=F3=D3=DA1=
<BR>if (Y) X |=3D=20
                        0x40; =
//=B5=B1=D2=AA=CF=D4=CA=BE=B5=DA=B6=FE=D0=D0=CA=B1=B5=D8=D6=B7=C2=EB+0x40=
;<BR>X |=3D 0x80;=20
                        =
//=CB=E3=B3=F6=D6=B8=C1=EE=C2=EB<BR>WriteCommandLCM(X, 0);=20
                        =
//=D5=E2=C0=EF=B2=BB=BC=EC=B2=E2=C3=A6=D0=C5=BA=C5=A3=AC=B7=A2=CB=CD=B5=D8=
=D6=B7=C2=EB<BR>WriteDataLCM(DData);<BR>}</P>
                        =
<P>//=B0=B4=D6=B8=B6=A8=CE=BB=D6=C3=CF=D4=CA=BE=D2=BB=B4=AE=D7=D6=B7=FB<B=
R>void DisplayListChar(unsigned char=20
                        X, unsigned char Y, unsigned char code=20
                        *DData)<BR>{<BR>unsigned char ListLength;</P>
                        <P>ListLength =3D 0;<BR>Y &amp;=3D 0x1;<BR>X =
&amp;=3D 0xF;=20
                        =
//=CF=DE=D6=C6X=B2=BB=C4=DC=B4=F3=D3=DA15=A3=ACY=B2=BB=C4=DC=B4=F3=D3=DA1=
<BR>while (DData[ListLength]&gt;0x20)=20
                        =
//=C8=F4=B5=BD=B4=EF=D7=D6=B4=AE=CE=B2=D4=F2=CD=CB=B3=F6<BR>{<BR>if (X =
&lt;=3D 0xF)=20
                        =
//X=D7=F8=B1=EA=D3=A6=D0=A1=D3=DA0xF<BR>{<BR>DisplayOneChar(X, Y,=20
                        DData[ListLength]);=20
                        =
//=CF=D4=CA=BE=B5=A5=B8=F6=D7=D6=B7=FB<BR>ListLength++;<BR>X++;<BR>}<BR>}=
<BR>}</P>
                        <P>//5ms=D1=D3=CA=B1<BR>void =
Delay5Ms(void)<BR>{<BR>unsigned int=20
                        TempCyc =3D 5552;<BR>while(TempCyc--);<BR>}</P>
                        <P>//400ms=D1=D3=CA=B1<BR>void =
Delay400Ms(void)<BR>{<BR>unsigned=20
                        char TempCycA =3D 5;<BR>unsigned int=20
                        =
TempCycB;<BR>while(TempCycA--)<BR>{<BR>TempCycB=3D7269;<BR>while(TempCycB=
--);<BR>};<BR>}<BR></P></TD></TR></TBODY></TABLE><!-- #EndEditable =
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target=3D_blank>1602LCM=D2=BA=BE=A7=CF=D4=CA=BE=C6=C1=B5=C4=C7=FD=B6=AF=BA=
=AF=CA=FD=BA=CD=CA=B5=C0=FD</A><BR><A=20
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=B7=CF=B0=C6=F7 (=C9=CF=C6=AA)</A><BR><A class=3DT12_G3=20
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href=3D"http://www.cdle.net/web/alldata/CDLE/cdle050028.htm"=20
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