📄 吱吱嘎嘎创作室 - 51单片机代码（keil c）.htm
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<TD align=middle colSpan=3 height=30><FONT class=blue
size=3><B>128*64LCD驱动程序</B></FONT></TD></TR>
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<TD align=middle>代码大小：</TD>
<TD>1KB</TD></TR>
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<TD align=middle>推荐等级：</TD>
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<TD align=middle>浏览次数：</TD>
<TD><FONT class=red>237</FONT></TD></TR>
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<TD align=middle>发 布 人：</TD>
<TD><A class=1
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<TD align=middle>发布日期：</TD>
<TD>2004年6月6日 21时8分</TD></TR>
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<TD align=middle>代码内容：</TD>
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colSpan=2>/*128*64LCD驱动函数*/<BR>/*P0 口为并行数据总线*/<BR>#define uchar unsigned char<BR>void readflag();<BR>void delay(int time);<BR><BR>sbit RW = P2^7;<BR>sbit DI = P2^6;<BR>sbit CS1 = P2^5; <BR>sbit CS2 = P2^4;<BR>sbit E = P2^3; <BR>sbit BUSY = P0^7;<BR><BR>bit on = 1;<BR>bit off = 0;<BR>/*屏幕开关*/<BR>void display(bit onoff) /*on 开 off 关*/<BR>{<BR> readflag();<BR> while(BUSY)<BR> {readflag();}<BR> RW = 0;<BR> DI = 0;<BR> if(onoff)<BR> {<BR> E = 1;<BR> P0 = 0x3f;<BR> E = 0;<BR> }<BR> else<BR> {<BR> E = 1;<BR> P0 = 0x3e;<BR> E = 0; <BR> }<BR>}<BR>/*设置起始行*/<BR>void startline(uchar line) /*line为行数*/<BR>{<BR> readflag();<BR> while(BUSY)<BR> {readflag();}<BR> RW = 0;<BR> DI = 0;<BR> E = 1;<BR> P0 = 0xc0|line;<BR> E = 0;<BR>}<BR>/*设置页数*/<BR>void f_xadd( uchar hangadd)/*hangadd为page数,128*64的LCD共8个page*/<BR>{<BR> readflag();<BR> while(BUSY)<BR> {readflag();}<BR> RW = 0;<BR> DI = 0;<BR> E = 1;<BR> P0 = 0xb8|hangadd;<BR> E = 0;<BR>}<BR>/*设置列*/<BR>void f_yadd(uchar lieadd)/*lieadd为需要设置列*/<BR>{<BR> readflag();<BR> while(BUSY)<BR> {readflag();}<BR> RW = 0;<BR> DI = 0;<BR> E = 1;<BR> P0 = 0x40|lieadd;<BR> E = 0;<BR>}<BR>/*读忙标志*/<BR>void readflag()<BR>{<BR>// P0 = 0xff;<BR> RW = 1;<BR> DI = 0;<BR> E = 1;<BR> //r_data = DB;<BR>}<BR>/*写数据*/<BR>void d_write(uchar w_data)/*w_data是需要写入的地址或数据*/<BR>{<BR> readflag();<BR> while(BUSY)<BR> {readflag();}<BR> RW = 0;<BR> DI = 1;<BR> E = 1;<BR> P0 = w_data;<BR> E = 0;<BR>}<BR>/*读书据*/<BR>/*读出指定page(x)和列(y)的数据*/<BR>uchar d_read(uchar x, uchar y)<BR>{<BR> // readflag();<BR> //while(BUSY)<BR> //{readflag();}<BR> uchar tempdata;<BR> P0 = 0xff;<BR> RW = 1;<BR> DI = 1;<BR> E = 1;<BR> delay(100);<BR> tempdata = P0;<BR> E = 0;<BR> ////////////////////<BR> f_xadd(x);<BR> f_yadd(y);<BR> P0 = 0xff;<BR> delay(100);<BR> RW = 1;<BR> DI = 1;<BR> E = 1;<BR> delay(100);<BR> tempdata = P0;<BR> E = 0;<BR><BR> return tempdata;<BR>}<BR>/*延时程序*/<BR>void delay(int time)<BR>{<BR> int t;<BR> for(t=0;t<time;t++)<BR> {;}</TD></TR>
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<TD>评论内容：刚好需要，收下了，多谢啊！！</TD></TR></TBODY></TABLE></TD></TR>
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