📄 cvavr写的关于12864的程序（atmage8l-hd61202）(huxiangming).htm
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<P align=center>文章编号:909----加入日期:2003-12-5 </P></TD></TR>
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align=center><B>CVAVR写的关于12864的程序（ATMage8L/HD61202）(huxiangming)</B></P></TD></TR>
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<BLOCKQUOTE><BR>主程序：<BR><BR>/************************************************************
<BR> LCD采用HD61202,128x64<BR> 控制单片机ATMage8L
8MHz<BR> 2003.12.5
huxiangming.<BR>************************************************************/<BR><BR>#include
<mega8.h><BR>#include <delay.h><BR>#include
<stdio.h><BR>#include "hz.h"<BR><BR><BR>/*LCD引脚定义 PB0-7对应LCD
DB0-DB7*/<BR>#define CS1 PORTC.2<BR>#define CS2 PORTC.3<BR>#define RS
PORTC.4<BR>#define RW PORTC.5<BR>#define E PORTD.4<BR><BR><BR>void
LCD_NOP(void)<BR>{<BR>unsigned char i;<BR>for(i=0;i<50;i++);
<BR>}<BR>void Delay(int x)<BR>{<BR>int
i,j;<BR>for(j=0;j<x;j++){<BR>
for(i=0;i<250;i++);<BR>}<BR>}<BR><BR><BR>//LCD左半屏写命令字<BR>void
LCD_Write_ComL(unsigned char x)<BR>{
<BR> CS1=0;CS2=1;LCD_NOP();<BR> RS=0;<BR> E=1;LCD_NOP();<BR> RW=0;<BR> PORTB=x;<BR> E=1;<BR> E=0;<BR> CS1=1;CS2=1;<BR>}<BR><BR>//LCD左半屏写数据<BR>void
LCD_Write_DatL(unsigned char x)<BR>{
<BR> CS1=0;CS2=1;LCD_NOP();<BR> RS=0;<BR> E=1;LCD_NOP();<BR> RS=1;<BR> RW=0;<BR> PORTB=x;<BR> E=1;<BR> E=0;<BR> CS1=1;CS2=1;<BR>}<BR><BR>//LCD右半屏写命令字<BR>void
LCD_Write_ComR(unsigned char x)<BR>{
<BR> CS1=1;CS2=0;LCD_NOP();<BR> RS=0;<BR> E=1;LCD_NOP();<BR> RW=0;<BR> PORTB=x;<BR> E=1;<BR> E=0;<BR> CS1=1;CS2=1;<BR> <BR>} <BR><BR>//LCD右半屏写数据<BR>void
LCD_Write_DatR(unsigned char x)<BR>{
<BR> CS1=1;CS2=0;LCD_NOP();<BR> RS=0;<BR> E=1;LCD_NOP();<BR> RS=1;<BR> RW=0;<BR> PORTB=x;<BR> E=1;<BR> E=0;<BR> CS1=1;CS2=1;<BR> <BR>}<BR><BR>//LCD初始化<BR>void
LCD_Init(void)<BR>{ <BR> LCD_Write_ComL(0x3e);LCD_Write_ComR(0x3e);<BR> LCD_Write_ComL(0x3f);LCD_Write_ComR(0x3f);<BR> LCD_Write_ComL(0xc0);LCD_Write_ComR(0xc0);<BR>}<BR><BR><BR>//LCD清屏<BR>void
LCD_Clr(void)<BR>{<BR>unsigned char
i,j;<BR><BR>for(j=0;j<8;j++){<BR>
LCD_Write_ComL(0xb8|j); <BR>
LCD_Write_ComL(0x40);<BR>
LCD_Write_ComR(0xb8|j); <BR>
LCD_Write_ComR(0x40);<BR>
for(i=0;i<64;i++){<BR>
LCD_Write_DatL(0x00); <BR>
LCD_Write_DatR(0x00); <BR>
}<BR>}<BR>}<BR><BR>//显示8x16字符，位置按8x8一个点来定 x:列坐标 y:行坐标 chrx:显示字符<BR>LCD_WrCHr8x16(unsigned
char x,unsigned char y,unsigned char chrx){<BR>unsigned char
i;<BR>unsigned int
chr_m;<BR>chr_m=chrx;<BR>chr_m=chr_m*16;<BR>if(y>=8){<BR> y=y-8;<BR> LCD_Write_ComR(0xb8|x); <BR>
LCD_Write_ComR(0x40|y<<3); <BR>
for(i=0;i<8;i++){<BR>
LCD_Write_DatR(Ezk[chr_m+i]); <BR> }<BR>
LCD_Write_ComR(0xb9|x); <BR>
LCD_Write_ComR(0x40|y<<3);<BR>
for(i=8;i<16;i++){<BR>
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