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標題: 使用at89c52驅動PG12864F，打點顯示漢字,但是不能正常顯示,求高手解答 [打印本頁]

作者: hhhwang 時間: 2011-8-24 12:45
標題: 使用at89c52驅動PG12864F，打點顯示漢字,但是不能正常顯示,求高手解答

程序是用keilc來寫的：

#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int

sbit   rst=P3^2;
sbit lcden=P3^4;
sbit     cd=P3^5;
sbit     wr=P3^6;
sbit     rd=P3^7;

uchar code HZ0[5][32]={

    { 0x02,0x00,0x01,0x08,0x7F,0xFC,0x08,0x20,
      0x04,0x40,0x02,0x84,0xFF,0xFE,0x01,0x00,
      0x01,0x08,0x7F,0xFC,0x01,0x00,0x09,0x20,
      0x19,0x18,0x21,0x0C,0x45,0x04,0x02,0x00},

    { 0x00,0x78,0x3F,0x80,0x11,0x10,0x09,0x20,
      0x7F,0xFE,0x42,0x02,0x82,0x04,0x7F,0xF8,
      0x04,0x00,0x07,0xF0,0x0A,0x20,0x09,0x40,
      0x10,0x80,0x11,0x60,0x22,0x1C,0x0C,0x08},

{ 0x10,0x40,0x10,0x40,0x22,0x44,0x7F,0x7E,
      0x42,0x84,0x43,0x04,0x42,0x04,0x42,0x84,
      0x7E,0x64,0x42,0x24,0x42,0x04,0x42,0x04,
      0x42,0x04,0x7E,0x04,0x42,0x28,0x00,0x10},

{ 0x00,0x40,0x10,0x40,0xF8,0xA0,0x20,0xA0,
      0x21,0x10,0x22,0x88,0xFC,0x4E,0x28,0x44,
      0x20,0x00,0x23,0xF8,0x20,0x08,0x38,0x10,
      0xC0,0xA0,0x00,0x40,0x00,0x20,0x00,0x20},

{ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x06,0x00,0x0F,0x00,
      0x0F,0x00,0x06,0x00,0x00,0x00,0x06,0x00,
      0x0F,0x00,0x0F,0x00,0x06,0x00,0x00,0x00}
                    };

uchar code HZ1[8][32]={

{ 0x04,0x80,0x0E,0xA0,0x78,0x90,0x08,0x90,
      0x08,0x84,0xFF,0xFE,0x08,0x80,0x08,0x90,
      0x0A,0x90,0x0C,0x60,0x18,0x40,0x68,0xA0,
      0x09,0x20,0x0A,0x14,0x28,0x14,0x10,0x0C},

{ 0x00,0x78,0x3F,0x80,0x11,0x10,0x09,0x20,
      0x7F,0xFE,0x42,0x02,0x82,0x04,0x7F,0xF8,
      0x04,0x00,0x07,0xF0,0x0A,0x20,0x09,0x40,
      0x10,0x80,0x11,0x60,0x22,0x1C,0x0C,0x08},

{ 0x11,0x00,0x11,0x00,0x11,0x00,0x23,0xFC,
      0x22,0x04,0x64,0x08,0xA8,0x40,0x20,0x40,
      0x21,0x50,0x21,0x48,0x22,0x4C,0x24,0x44,
      0x20,0x40,0x20,0x40,0x21,0x40,0x20,0x80},

{ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x04,0xFF,0xFE,
      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},

{ 0x01,0x00,0x11,0x00,0x11,0x00,0x11,0x08,
      0x3F,0xFC,0x21,0x00,0x41,0x00,0x41,0x00,
      0x81,0x10,0x3F,0xF8,0x01,0x00,0x01,0x00,
      0x01,0x00,0x01,0x04,0xFF,0xFE,0x00,0x00},

{ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x04,0xFF,0xFE,
      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
      0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},

{ 0x01,0x10,0x11,0x10,0x11,0x10,0x11,0x10,
      0x11,0x14,0xFF,0xFE,0x11,0x10,0x11,0x10,
      0x11,0x10,0x11,0x10,0x11,0xF0,0x11,0x10,
      0x10,0x00,0x10,0x08,0x1F,0xFC,0x00,0x00},

{ 0x00,0x00,0x01,0x80,0x03,0xC0,0x03,0xC0,
      0x03,0xC0,0x03,0xC0,0x03,0xC0,0x01,0x80,
      0x01,0x80,0x01,0x80,0x00,0x00,0x01,0x80,
      0x03,0xC0,0x01,0x80,0x00,0x00,0x00,0x00}
       };

uchar code   HZ2[4][32]={

{ 0x00,0x78,0x3F,0x80,0x11,0x10,0x09,0x20,
      0x7F,0xFE,0x42,0x02,0x82,0x04,0x7F,0xF8,
      0x04,0x00,0x07,0xF0,0x0A,0x20,0x09,0x40,
      0x10,0x80,0x11,0x60,0x22,0x1C,0x0C,0x08},

{ 0x11,0x00,0x11,0x00,0x11,0x00,0x23,0xFC,
      0x22,0x04,0x64,0x08,0xA8,0x40,0x20,0x40,
      0x21,0x50,0x21,0x48,0x22,0x4C,0x24,0x44,
      0x20,0x40,0x20,0x40,0x21,0x40,0x20,0x80},

{ 0x10,0x40,0x10,0x40,0x22,0x44,0x7F,0x7E,
      0x42,0x84,0x43,0x04,0x42,0x04,0x42,0x84,
      0x7E,0x64,0x42,0x24,0x42,0x04,0x42,0x04,
      0x42,0x04,0x7E,0x04,0x42,0x28,0x00,0x10},

{ 0x00,0x04,0x04,0xFE,0x7E,0x84,0x44,0x84,
      0x44,0x84,0x44,0xFC,0x7C,0x84,0x44,0x84,
      0x44,0x84,0x44,0xFC,0x7C,0x84,0x44,0x84,
      0x01,0x04,0x01,0x04,0x02,0x14,0x04,0x08}
                     };

void delay_ms(uint t) //延遲
{
uint i,j;

for(i=0;i<t;i++)
for(j=0;j<110;j++);
}

uchar read_status()         //讀狀態
{
     uchar status;

    rd=0;
wr=1;
lcden=0;
cd=1;
status=P0;
return status;
}

void check_status()
{
      uchar s;

   while((s&0x80)!=0x80)
   s=read_status();
}
void write_data(uchar dat)           //寫入數據
{
       rd=1;
    cd=0;
    lcden=0;
    wr=0;
    P0=dat;
    delay_ms(10);
    wr=1;
    lcden=1;
    cd=1;
}

void write_cmd1(uchar cmd)   //寫入指令
{
    rd=1;
    cd=1;
    lcden=0;
    wr=0;
    P0=cmd;
    delay_ms(10);
    wr=1;
    lcden=1;
    cd=0;
}

void write_cmd2(uchar dat,uchar cmd)     //先送參數，再送指令
{
       check_status();
    write_data(dat);
    check_status();
    write_cmd1(cmd);
}

void write_cmd3(uchar data1,uchar data2 ,uchar cmd)
{
       check_status();
    write_data(data1);
    check_status();
    write_data(data2);
    check_status();
    write_cmd1(cmd);
   }

void init() //PG12864F初始化
{
rst=1;
delay_ms(10);
rst=0;

wr=1;
rd=1;
lcden=1;
cd=1;
rst=1;

check_status();
write_cmd3(0x01,0x00,0x21);    //設置光標位置
check_status();
write_cmd3(0x00,0x00,0x42);    //設置圖形顯示首地址
check_status();
write_cmd3(16,0x00,0x43);   //設置圖形的顯示寬度
check_status();
write_cmd1(0x80);      //正常顯示，
check_status();
write_cmd1(0x98); //設置圖形顯示方式：打點
check_status();
write_cmd1(0xa0); //設置光標形狀
   }
void display_HZ(uchar x,uchar y,uchar *hz)   //漢字顯示函數
{
     uchar i,j=0;

for(i=0;i<16;i++)
    {
         write_cmd3(((j/2)<<4)|(y*2),x,0x24);
   write_cmd2(hz[j++],0x0c);
   write_cmd2(hz[j++],0x0c);
   }
    }
void main()    //主函數
{
uchar i,j=0;

init();
for(i=0;i<4;i++)
      display_HZ(0,1+i,HZ0);
for(i=0;i<8;i++)
      display_HZ(1,1+i,HZ1);
     for(i=0;i<4;i++)
      display_HZ(2,1+i,HZ2);
}