1、功能描述
使文字显示出来并滚动
2、程序
#include <REGX51.H>
#include <intrins.h>
#define uint unsigned int
#define uchar unsigned char
sbit RST=P2^0;
sbit E=P2^1;
sbit wr=P2^2;
sbit rs=P2^3;
sbit CS2=P2^4;
sbit CS1=P2^5;
uchar code hanzi_ZM[][32]={
/*-- ??: ? --*/
/*-- ???12; ??????????:?x?=16x16 --*/
0x20,0x20,0x24,0xA4,0xAC,0xB4,0xA5,0xA6,0xA4,0xB4,0xAC,0xA4,0x24,0x20,0x20,0x00,
0x80,0x80,0xA0,0xAF,0xAA,0xAA,0xAA,0xFF,0xAA,0xAA,0xAA,0xAF,0xA0,0x80,0x80,0x00,
/*-- ??: ? --*/
/*-- ???12; ??????????:?x?=16x16 --*/
0x00,0x00,0x80,0x00,0x00,0xE0,0x02,0x04,0x18,0x00,0x00,0x00,0x40,0x80,0x00,0x00,
0x10,0x0C,0x03,0x00,0x00,0x3F,0x40,0x40,0x40,0x40,0x40,0x78,0x00,0x01,0x0E,0x00,
/*-- ??: ? --*/
/*-- ???12; ??????????:?x?=16x16 --*/
0x00,0xF8,0x08,0x08,0x0C,0xCA,0x49,0x48,0x48,0xC8,0x08,0x08,0x08,0xF8,0x00,0x00,
0x00,0xFF,0x00,0x00,0x00,0x1F,0x08,0x08,0x08,0x1F,0x00,0x40,0x80,0x7F,0x00,0x00,
/*-- ??: ? --*/
/*-- ???12; ??????????:?x?=16x16 --*/
0x40,0x30,0x10,0x92,0x9C,0x90,0x90,0x9F,0x90,0x90,0x98,0x96,0x10,0x50,0x30,0x00,
0x80,0x80,0x40,0x47,0x24,0x1C,0x04,0x04,0x04,0x7C,0x84,0x87,0x80,0x80,0xE0,0x00,
/*-- ??: ? --*/
/*-- ???12; ??????????:?x?=16x16 --*/
0x10,0x60,0x02,0x8C,0x00,0x00,0x42,0xE2,0x52,0x4A,0xC6,0x42,0x40,0xC0,0x00,0x00,
0x04,0x04,0x7E,0x01,0x20,0x10,0x8C,0x43,0x20,0x18,0x47,0x80,0x40,0x3F,0x00,0x00,
/*-- ??: ? --*/
/*-- ???12; ??????????:?x?=16x16 --*/
0x00,0x10,0x10,0x10,0x10,0x10,0xFF,0x10,0x10,0x10,0x10,0x10,0xF0,0x00,0x00,0x00,
0x00,0x80,0x40,0x20,0x18,0x06,0x01,0x00,0x20,0x40,0x80,0x40,0x3F,0x00,0x00,0x00,
/*-- ??: ? --*/
/*-- ???12; ??????????:?x?=16x16 --*/
0x80,0x64,0x2C,0x34,0x24,0x24,0xEC,0x32,0x22,0x22,0x32,0x2E,0x23,0xA2,0x60,0x00,
0x00,0x41,0x21,0x91,0x89,0x87,0x4D,0x55,0x25,0x25,0x55,0x4D,0x81,0x80,0x80,0x00,
/*-- ??: ? --*/
/*-- ???12; ??????????:?x?=16x16 --*/
0x00,0xFE,0x02,0x12,0x92,0x92,0x92,0xF2,0x92,0x92,0x92,0x12,0x02,0xFE,0x00,0x00,
0x00,0xFF,0x40,0x48,0x48,0x48,0x48,0x4F,0x48,0x4A,0x4C,0x48,0x40,0xFF,0x00,0x00,
};
uchar code shuzi_ZM[][16]={
/*-- ??: 2 --*/
/*-- ???12; ??????????:?x?=8x16 --*/
0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,
/*-- ??: 0 --*/
/*-- ???12; ??????????:?x?=8x16 --*/
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,
/*-- ??: 0 --*/
/*-- ???12; ??????????:?x?=8x16 --*/
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,
/*-- ??: 5 --*/
/*-- ???12; ??????????:?x?=8x16 --*/
0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,
/*-- ??: - --*/
/*-- ???12; ??????????:?x?=8x16 --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
/*-- ??: 2 --*/
/*-- ???12; ??????????:?x?=8x16 --*/
0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,
/*-- ??: 0 --*/
/*-- ???12; ??????????:?x?=8x16 --*/
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,
/*-- ??: 2 --*/
/*-- ???12; ??????????:?x?=8x16 --*/
0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,
/*-- ??: 2 --*/
/*-- ???12; ??????????:?x?=8x16 --*/
0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,
/*-- ??: j --*/
/*-- ???12; ??????????:?x?=8x16 --*/
0x00,0x00,0x00,0x80,0x98,0x98,0x00,0x00,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,
/*-- ??: i --*/
/*-- ???12; ??????????:?x?=8x16 --*/
0x00,0x80,0x98,0x98,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,
/*-- ??: a --*/
/*-- ???12; ??????????:?x?=8x16 --*/
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x19,0x24,0x22,0x22,0x22,0x3F,0x20,
/*-- ??: y --*/
/*-- ???12; ??????????:?x?=8x16 --*/
0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x80,0x81,0x8E,0x70,0x18,0x06,0x01,0x00,
/*-- ??: o --*/
/*-- ???12; ??????????:?x?=8x16 --*/
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,
/*-- ??: u --*/
/*-- ???12; ??????????:?x?=8x16 --*/
0x80,0x80,0x00,0x00,0x00,0x80,0x80,0x00,0x00,0x1F,0x20,0x20,0x20,0x10,0x3F,0x20,
};
void delayms(uint x)
{
uchar i;
while(x--)
for(i=0;i<123;i++);
}
void writeData(uchar x)
{
rs=1;
wr=0;
P0=x;
_nop_();
E=1;
_nop_();
E=0;
}
void writeCon(uchar x)
{
rs=0;
wr=0;
P0=x;
_nop_();
E=1;
_nop_();
E=0;
}
void lcd_xy(uchar x,y)
{
if(y<64)
{
CS1=0;
CS2=1;
writeCon(0X40|y);
}
else
{
CS1=1;
CS2=0;
writeCon(0X40|y-64);;
}
writeCon(0xb8|x);
}
void clear()
{
uint i,j;
CS1=CS2=0;
for(i=0;i<8;i++)
{
writeCon(0xb8+i);
writeCon(0x40);
for(j=0;j<64;j++)
{
writeData(0x00);
}
}
}
void init12864()
{
RST=0;
delayms(15);
RST=1;
writeCon(0X3e);
writeCon(0xb8);
writeCon(0x40);
writeCon(0xc0);
writeCon(0x3f);
}
void writeHZ(uchar x,y,uchar code*p)
{
uint t=0;
uchar i,j;
for(i=x;i<x+2;i++)
{
for(j=y;j<y+16;j++)
{
lcd_xy(i,j);
writeData(p[t++]);
}
}
}
void writeAscii(uchar x,y,uchar code*p)
{
uint t=0;
uchar i,j;
for(i=x;i<x+2;i++)
{
for(j=y;j<y+8;j++)
{
lcd_xy(i,j);
writeData(p[t++]);
}
}
}
void main()
{
uchar i;
init12864();
clear();
writeAscii(0,16,shuzi_ZM[0]);
writeAscii(0,24,shuzi_ZM[1]);
writeAscii(0,32,shuzi_ZM[2]);
writeAscii(0,40,shuzi_ZM[3]);
writeAscii(0,48,shuzi_ZM[4]);
writeAscii(0,56,shuzi_ZM[5]);
writeAscii(0,64,shuzi_ZM[6]);
writeAscii(0,72,shuzi_ZM[7]);
writeAscii(0,80,shuzi_ZM[8]);
writeHZ(2,16,hanzi_ZM[0]);
writeHZ(2,32,hanzi_ZM[1]);
writeHZ(2,48,hanzi_ZM[2]);
writeHZ(2,64,hanzi_ZM[3]);
writeHZ(4,16,hanzi_ZM[4]);
writeHZ(4,32,hanzi_ZM[5]);
writeHZ(4,48,hanzi_ZM[6]);
writeHZ(4,64,hanzi_ZM[7]);
writeAscii(6,16,shuzi_ZM[9]);
writeAscii(6,24,shuzi_ZM[10]);
writeAscii(6,32,shuzi_ZM[11]);
writeAscii(6,40,shuzi_ZM[12]);
writeAscii(6,48,shuzi_ZM[13]);
writeAscii(6,56,shuzi_ZM[14]);
while(1)
{
for(i=0;i<0xc0;i++)
{
//CS1=CS2=0;
//writeCon(0xc0+i);
//delayms(10);
CS1=CS2=0;
writeCon(0xc0+63-i);
delayms(10);
}
}
}
3、电路原理图
4、小结
如果数字英文出现问题就检查writeAscii；如果汉字出现问题就检查writeHZ；如果上述没有问题那就检查主函数有没有多大还是少打一行程序；在打滚动程序时切忌不要在while后加分号；在字模提取前要把纵向取模改为横向取模，字节倒序要勾上，保留要勾上。字体要改为新宋体，小四，图像大小改为16*16，新建图像大小为128*64。
