12864液晶显示资料及程序
硬件连接方式是:并口直接访问。
这是汉字显示程序:
#include
#include
#define uchar unsigned char
#define datawr 0x1200 //写数据通道
#define comwr 0x1000 //写控制命令通道
#define datare 0x1300 //读数据通道
#define comre 0x1100 //读忙通道
uchar code disp_data[]={" 浙江大学" //第一行,第一页"04级通信工程一班" //第三行
" 宁波理工学院" //第二行
" 竞赛小组" //第四行
"128X64液晶显示器" //第一行,第二页
" 测试程序" //第三行
" 07年07月25日" //第二行
" Tornado "}; //第四行
void set12864();
void write_command(uchar command);
void write_page(uchar data_add);
void read_page(uchar data_add);
void delays(uchar cont);
void main()
{
while(1)
{
set12864(); //初始化12864
write_page(0); //写入一页数据
read_page(0x30); //读出一页数据到内部RAM
delays(2); //延时2s
write_page(64); //写入下一页数据
delays(2); //延时2s
}
}
//初始化12864子程序
void set12864()
{
write_command(0x30); //功能设定控制字
write_command(0x0c); //显示开关控制字
write_command(0x01); //清除屏幕控制字
write_command(0x06); //进入设定点控制字
}
//写控制命令子程序
void write_command(uchar command)
{
bit flag=1; //12864空闲标志位
while(flag) //检查12864是否空闲
flag="XBYTE"[comre]&0x80;
XBYTE[comwr]=command; //空闲传送控制字
}
//写一页子程序
void write_page(uchar data_add)
{
bit flag=1; //12864空闲标志位
uchar num=64; //64个循环,连续写入32个汉字或是64个西文字符write_command(0x80);
for(;num>0;num--)
{
while(flag) //检查12864是否空闲
flag="XBYTE"[comre]&0x80;
XBYTE[datawr]=disp_data[data_add++]; //空闲传送数据
}
}
//读一页子程序
void read_page(uchar data_add)
{
bit flag=1; //12864空闲标志位
uchar num=64; //64个循环,连续写入32个汉字或是64个西文字符write_command(0x80);
for(;num>0;num--)
{
while(flag) //检查12864是否空闲
flag="XBYTE"[comre]&0x80;
DBYTE[data_add++]=XBYTE[datare]; //空闲传送数据
}
}
//延时cont秒子程序
void delays(uchar count)
{
unsigned char h,i,j,k;
do
{
for(h=5;h>0;h--)
for(i=4;i>0;i--)
for(j=116;j>0;j--)
for(k=214;k>0;k--);
}while(--count);
}
这是图象显示程序:
#include
#include
#define uchar unsigned char
#define uint unsigned int
#define datawr 0x1200 //写数据通道
#define comwr 0x1000 //写控制命令通道
#define datare 0x1300 //读数据通道
#define comre 0x1100 //读忙通道
uchar code disp_data[] = // 数据
表
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{
0x00,0x01,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00 ,0x00,0x00,0x00,
0x00,0x01,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x80,0x00 ,0x00,0x00,0x00,
0x00,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC0,0x00 ,0x00,0x00,0x00,
0x00,0x07,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE0,0x00 ,0x00,0x00,0x00,
0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0,0x00 ,0x00,0x00,0x00,
0x00,0x0F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF8,0x00 ,0x00,0x00,0x00,
0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0x0 0,0x00,0x00,0x00,
0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFE,0x8 0,0x00,0x00,0x00,
0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF F,0xFF,0xFF,0xFF,
0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF
0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x0 3,0xFF,0xFF,0xFF,
0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x0 0,0x07,0xFF,0xFF,
0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x8 0,0x00,0x0B,0xFF,
0x01,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x8 0,0x00,0x00,0x1F,
0x01,0xFF,0xFF,0xFF,0xFF,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC 0,0x00,0x00,0x00,
0x01,0xFF,0xFF,0xFF,0xF3,0x79,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xC 0,0x00,0x00,0x00,
0x03,0xFF,0xFF,0xFF,0xE6,0x62,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE 1,0x60,0x00,0x68,
0x01,0xFF,0xFF,0xFE,0x00,0x60,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE1 ,0x00,0x00,0x0E,
0x01,0xFF,0xFF,0xF8,0x00,0x4B,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF0 ,0x8E,0x08,0x79,
0x07,0xFF,0xFF,0xF0,0x00,0x41,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xE6 ,0xC0,0x07,0x61,
0xC3,0xFF,0xFE,0xC0,0x00,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xF F,0xED,0xEF,0x3F,
0x83,0xFF,0xFE,0x60,0x00,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF ,0xFF,0xFF,0xFF,
0xC0,0xFF,0xFD,0xFC,0x6C,0x00,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xF F,0xFF,0xFF,0xFF,
0xF0,0x7F,0xF3,0xFF,0xFE,0x60,0x3F,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF ,0xFF,0xFF,0xFF,
0xFF,0xFF,0xF3,0xFF,0xFF,0x50,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xF F,0xFF,0xFF,0xC9,
0xFB,0xFF,0xF1,0xF8,0x8C,0xD8,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xF F,0xFB,0x6F,0xD9,
0xC2,0x3F,0xF8,0x40,0x00,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0xF6 ,0xDF,0x1E,0xFF,
0xFF,0x7F,0xFC,0x38,0x00,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0x64 ,0x2F,0x6F,0xFF,
0xFD,0x7B,0xFC,0x1F,0xE0,0x00,0x1F,0xFF,0xFF,0xFF,0xFF,0xFF,0x5 F,0x7C,0xEE,0xFF,
0xC7,0xFF,0xBC,0x0F,0xFF,0x00,0x03,0xFF,0xFF,0xFF,0xFF,0xFF,0xD F,0xFE,0xEF,0xFF,
0xFF,0xE7,0xDC,0x07,0xE7,0xF8,0x12,0x7F,0xFF,0xFF,0xFF,0xFF,0x4 7,0xFF,0xFF,0xFF,
0xFF,0xE7,0x80,0x03,0xF4,0x00,0x00,0x5F,0xFF,0xFF,0xFE,0xFE,0xE3
0xFF,0xFE,0xC0,0x01,0xC0,0x00,0x00,0x1B,0xFF,0xFF,0xFB,0xFF,0xF F,0xFF,0xFF,0xFF,
0x7F,0xEE,0xC0,0x00,0xC0,0x00,0x00,0x03,0xFF,0xFF,0xFF,0xFF,0xFF ,0xFF,0xFF,0xFF,
0xFE,0x98,0x00,0x00,0x00,0x00,0x00,0x03,0xFF,0xFF,0xEF,0xFF,0xFF, 0xFF,0xFF,0xFF,
0x20,0x0E,0x60,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0x8F,0xFF,0xFF, 0xFF,0xFF,0xFF,
0x05,0x80,0xE0,0x00,0x00,0x00,0x00,0x01,0xFF,0xFD,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,
0x09,0x80,0xA0,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0x7F,0xFF,0xFF, 0xFF,0xFF,0xFF,
0x85,0x2A,0xC0,0x00,0x00,0x00,0x00,0x01,0xFF,0xFB,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFE,
0xBF,0xF3,0xC0,0x00,0x00,0x00,0x00,0x00,0xFF,0xF7,0xFF,0xFF,0xFF, 0xFF,0xFF,0xF8,
0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x01,0xFF,0xE0,0xFF,0xFF,0xFF, 0xFF,0xFF,0x00,
0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0xFF,0xC0,0xFF,0xFF,0xFF, 0xFF,0xC0,0x1F,
0xFF,0xFF,0x80,0x00,0x40,0x00,0x00,0x00,0xFF,0x80,0xFF,0xFF,0xFF, 0x80,0x07,0xFF,
0xFF,0xFF,0xC0,0x00,0xC0,0x00,0x00,0x01,0xFF,0x01,0xFF,0xFF,0xF8 ,0x00,0xFF,0xFF,
0xFF,0xFF,0xE0,0x63,0x80,0x00,0x00,0x01,0xFE,0x01,0xFF,0x18,0x00, 0x3F,0xFF,0xFF,
0xFF,0xFF,0xFE,0x00,0x00,0x00,0x00,0x01,0xCC,0x01,0xFE,0x00,0x07, 0xFF,0xFF,0xFF,
0xFF,0xFF,0xFE,0x00,0x00,0x00,0x00,0x07,0xA0,0x03,0xFC,0x00,0xFF, 0xFF,0xFF,0xFF,
0xFF,0xFF,0xFE,0x00,0x00,0x00,0x00,0x05,0xC0,0x03,0xC8,0x00,0x7F, 0xFF,0xFF,0xFF,
0xFF,0xFF,0xFE,0x00,0x00,0x00,0x00,0x19,0x00,0x00,0x88,0x0C,0x07, 0xFF,0xFF,0xFF,
0xFF,0xFF,0xFC,0x00,0x0C,0x00,0x00,0x00,0x00,0x01,0x00,0x01,0xC0, 0x7F,0xFF,0xFF,
0xFF,0xFF,0xF8,0x07,0x0F,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x38,0 x0F,0xFF,0xFE,
0xFF,0xFF,0xD0,0x07,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x0F, 0x03,0xFF,0xF8,
0xFF,0xFC,0x00,0x00,0x60,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0 x3F,0xFF,0xC0,
0xFF,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x00,0x00,0