[求助]有关44B0显示的问题

scaling

//。。。。(省略）。。。。。
U8 LCDTxtData[128][12]={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1c,0x10,0x10,0x10,0x10,0x10,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf0,0x10,0x10,0x10,0x10,0x10,
0x10,0x10,0x10,0x10,0x10,0x10,0x1c,0x0, 0x0, 0x0, 0x0, 0x0,
0x10,0x10,0x10,0x10,0x10,0x10,0xf0,0x0, 0x0, 0x0, 0x0, 0x0,
0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfc,0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x30,0x78,0x78,0x78,0x30,0x0, 0x0, 0x0, 0x0,
0xfc,0xfc,0xfc,0xcc,0x84,0x84,0x84,0xcc,0xfc,0xfc,0xfc,0xfc,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x1c,0xc, 0xc, 0x14,0x10,0x30,0x48,0x48,0x30,0x0, 0x0,
0x0, 0x38,0x44,0x44,0x38,0x10,0x7c,0x10,0x10,0x10,0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0xc, 0x34,0x2c,0x34,0x24,0x24,0x2c,0x6c,0x60,0x0, 0x0,
0x0, 0x54,0x54,0x28,0x28,0x6c,0x28,0x28,0x54,0x54,0x0, 0x0,
0x10,0x10,0x10,0x10,0x10,0x10,0xfc,0x10,0x10,0x10,0x10,0x10,
0x0, 0x4, 0xc, 0x1c,0x3c,0x7c,0x3c,0x1c,0xc, 0x4, 0x0, 0x0,
0x10,0x38,0x10,0x10,0x10,0x10,0x10,0x10,0x38,0x10,0x0, 0x0,
0x28,0x28,0x28,0x28,0x28,0x28,0x28,0x0, 0x28,0x28,0x0, 0x0,
0x3c,0x54,0x54,0x54,0x34,0x14,0x14,0x14,0x14,0x14,0x0, 0x0,
0x10,0x10,0x10,0x10,0x10,0x10,0xfc,0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfc,0x10,0x10,0x10,0x10,0x10,
0x10,0x10,0x10,0x10,0x10,0x10,0xf0,0x10,0x10,0x10,0x10,0x10,
0x10,0x38,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x0, 0x0,
0x10,0x10,0x10,0x10,0x10,0x10,0x1c,0x10,0x10,0x10,0x10,0x10,
0x0, 0x0, 0x0, 0x0, 0x8, 0x7c,0x8, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x20,0x7c,0x20,0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x20,0x20,0x20,0x20,0x20,0x20,0x0, 0x20,0x0, 0x0,
0x0, 0x28,0x50,0x50,0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x28,0x28,0xfc,0x28,0x50,0xfc,0x50,0x50,0x0, 0x0,
0x0, 0x20,0x78,0xa8,0xa0,0x60,0x30,0x28,0xa8,0xf0,0x20,0x0,
0x0, 0x0, 0x48,0xa8,0xb0,0x50,0x28,0x34,0x54,0x48,0x0, 0x0,
0x0, 0x0, 0x20,0x50,0x50,0x78,0xa8,0xa8,0x90,0x6c,0x0, 0x0,
0x0, 0x40,0x40,0x80,0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x4, 0x8, 0x10,0x10,0x10,0x10,0x10,0x10,0x8, 0x4, 0x0,
0x0, 0x40,0x20,0x10,0x10,0x10,0x10,0x10,0x10,0x20,0x40,0x0,
0x0, 0x0, 0x0, 0x20,0xa8,0x70,0x70,0xa8,0x20,0x0, 0x0, 0x0,
0x0, 0x0, 0x20,0x20,0x20,0xf8,0x20,0x20,0x20,0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40,0x40,0x80,
0x0, 0x0, 0x0, 0x0, 0x0, 0xf8,0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40,0x0, 0x0,
0x0, 0x8, 0x10,0x10,0x10,0x20,0x20,0x40,0x40,0x40,0x80,0x0,
0x0, 0x0, 0x70,0x88,0x88,0x88,0x88,0x88,0x88,0x70,0x0, 0x0,
0x0, 0x0, 0x20,0x60,0x20,0x20,0x20,0x20,0x20,0x70,0x0, 0x0,
0x0, 0x0, 0x70,0x88,0x88,0x10,0x20,0x40,0x80,0xf8,0x0, 0x0,
0x0, 0x0, 0x70,0x88,0x8, 0x30,0x8, 0x8, 0x88,0x70,0x0, 0x0,
0x0, 0x0, 0x10,0x30,0x50,0x50,0x90,0x78,0x10,0x18,0x0, 0x0,
0x0, 0x0, 0xf8,0x80,0x80,0xf0,0x8, 0x8, 0x88,0x70,0x0, 0x0,
0x0, 0x0, 0x70,0x90,0x80,0xf0,0x88,0x88,0x88,0x70,0x0, 0x0,
0x0, 0x0, 0xf8,0x90,0x10,0x20,0x20,0x20,0x20,0x20,0x0, 0x0,
0x0, 0x0, 0x70,0x88,0x88,0x70,0x88,0x88,0x88,0x70,0x0, 0x0,
0x0, 0x0, 0x70,0x88,0x88,0x88,0x78,0x8, 0x48,0x70,0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x20,0x0, 0x0, 0x0, 0x0, 0x20,0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x20,0x0, 0x0, 0x0, 0x20,0x20,0x0,
0x0, 0x4, 0x8, 0x10,0x20,0x40,0x20,0x10,0x8, 0x4, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0xf8,0x0, 0x0, 0xf8,0x0, 0x0, 0x0, 0x0,
0x0, 0x40,0x20,0x10,0x8, 0x4, 0x8, 0x10,0x20,0x40,0x0, 0x0,
0x0, 0x0, 0x70,0x88,0x88,0x10,0x20,0x20,0x0, 0x20,0x0, 0x0,
0x0, 0x0, 0x70,0x88,0x98,0xa8,0xa8,0xb8,0x80,0x78,0x0, 0x0,
0x0, 0x0, 0x20,0x20,0x30,0x50,0x50,0x78,0x48,0xcc,0x0, 0x0,
0x0, 0x0, 0xf0,0x48,0x48,0x70,0x48,0x48,0x48,0xf0,0x0, 0x0,
0x0, 0x0, 0x78,0x88,0x80,0x80,0x80,0x80,0x88,0x70,0x0, 0x0,
0x0, 0x0, 0xf0,0x48,0x48,0x48,0x48,0x48,0x48,0xf0,0x0, 0x0,
0x0, 0x0, 0xf8,0x48,0x50,0x70,0x50,0x40,0x48,0xf8,0x0, 0x0,
0x0, 0x0, 0xf8,0x48,0x50,0x70,0x50,0x40,0x40,0xe0,0x0, 0x0,
0x0, 0x0, 0x38,0x48,0x80,0x80,0x9c,0x88,0x48,0x30,0x0, 0x0,
0x0, 0x0, 0xcc,0x48,0x48,0x78,0x48,0x48,0x48,0xcc,0x0, 0x0,
0x0, 0x0, 0xf8,0x20,0x20,0x20,0x20,0x20,0x20,0xf8,0x0, 0x0,
0x0, 0x0, 0x7c,0x10,0x10,0x10,0x10,0x10,0x10,0x90,0xe0,0x0,
0x0, 0x0, 0xec,0x48,0x50,0x60,0x50,0x50,0x48,0xec,0x0, 0x0,
0x0, 0x0, 0xe0,0x40,0x40,0x40,0x40,0x40,0x44,0xfc,0x0, 0x0,
0x0, 0x0, 0xd8,0xd8,0xd8,0xd8,0xa8,0xa8,0xa8,0xa8,0x0, 0x0,
0x0, 0x0, 0xdc,0x48,0x68,0x68,0x58,0x58,0x48,0xe8,0x0, 0x0,
0x0, 0x0, 0x70,0x88,0x88,0x88,0x88,0x88,0x88,0x70,0x0, 0x0,
0x0, 0x0, 0xf0,0x48,0x48,0x70,0x40,0x40,0x40,0xe0,0x0, 0x0,
0x0, 0x0, 0x70,0x88,0x88,0x88,0x88,0xe8,0x98,0x70,0x18,0x0,
0x0, 0x0, 0xf0,0x48,0x48,0x70,0x50,0x48,0x48,0xec,0x0, 0x0,
0x0, 0x0, 0x78,0x88,0x80,0x60,0x10,0x8, 0x88,0xf0,0x0, 0x0,
0x0, 0x0, 0xf8,0xa8,0x20,0x20,0x20,0x20,0x20,0x70,0x0, 0x0,
0x0, 0x0, 0xcc,0x48,0x48,0x48,0x48,0x48,0x48,0x30,0x0, 0x0,
0x0, 0x0, 0xcc,0x48,0x48,0x50,0x50,0x30,0x20,0x20,0x0, 0x0,
0x0, 0x0, 0xa8,0xa8,0xa8,0x70,0x50,0x50,0x50,0x50,0x0, 0x0,
0x0, 0x0, 0xd8,0x50,0x50,0x20,0x20,0x50,0x50,0xd8,0x0, 0x0,
0x0, 0x0, 0xd8,0x50,0x50,0x20,0x20,0x20,0x20,0x70,0x0, 0x0,
0x0, 0x0, 0xf8,0x90,0x10,0x20,0x20,0x40,0x48,0xf8,0x0, 0x0,
0x0, 0x38,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x20,0x38,0x0,
0x0, 0x40,0x40,0x40,0x20,0x20,0x10,0x10,0x10,0x8, 0x0, 0x0,
0x0, 0x70,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x70,0x0,
0x0, 0x20,0x50,0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfc,
0x0, 0x20,0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x30,0x48,0x38,0x48,0x3c,0x0, 0x0,
0x0, 0x0, 0xc0,0x40,0x40,0x70,0x48,0x48,0x48,0x70,0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x38,0x48,0x40,0x40,0x38,0x0, 0x0,
0x0, 0x0, 0x18,0x8, 0x8, 0x38,0x48,0x48,0x48,0x3c,0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x30,0x48,0x78,0x40,0x38,0x0, 0x0,
0x0, 0x0, 0x1c,0x20,0x20,0x78,0x20,0x20,0x20,0x78,0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x3c,0x48,0x30,0x40,0x78,0x44,0x38,
0x0, 0x0, 0xc0,0x40,0x40,0x70,0x48,0x48,0x48,0xec,0x0, 0x0,
0x0, 0x0, 0x20,0x0, 0x0, 0x60,0x20,0x20,0x20,0x70,0x0, 0x0,
0x0, 0x0, 0x10,0x0, 0x0, 0x30,0x10,0x10,0x10,0x10,0x10,0xe0,
0x0, 0x0, 0xc0,0x40,0x40,0x5c,0x50,0x70,0x48,0xec,0x0, 0x0,
0x0, 0x0, 0xe0,0x20,0x20,0x20,0x20,0x20,0x20,0xf8,0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0xf0,0xa8,0xa8,0xa8,0xa8,0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0xf0,0x48,0x48,0x48,0xec,0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x30,0x48,0x48,0x48,0x30,0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0xf0,0x48,0x48,0x48,0x70,0x40,0xe0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x38,0x48,0x48,0x48,0x38,0x8, 0x1c,
0x0, 0x0, 0x0, 0x0, 0x0, 0xd8,0x60,0x40,0x40,0xe0,0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x78,0x40,0x30,0x8, 0x78,0x0, 0x0,
0x0, 0x0, 0x0, 0x20,0x20,0x70,0x20,0x20,0x20,0x18,0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0xd8,0x48,0x48,0x48,0x3c,0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0xec,0x48,0x50,0x30,0x20,0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0xa8,0xa8,0x70,0x50,0x50,0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0xd8,0x50,0x20,0x50,0xd8,0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0xec,0x48,0x50,0x30,0x20,0x20,0xc0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x78,0x10,0x20,0x20,0x78,0x0, 0x0,
0x0, 0x18,0x10,0x10,0x10,0x20,0x10,0x10,0x10,0x10,0x18,0x0,
0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,
0x0, 0x60,0x20,0x20,0x20,0x10,0x20,0x20,0x20,0x20,0x60,0x0,
0x40,0xa4,0x18,0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
};
//。。。。(省略）。。。。。
void LCD_TxtRefresh (int LCDCurrentDspTxt)         
{
int i,j,k,showrow;
unsigned int data;
U8 txtdata;
for(j=0;j<LCDHEIGHT;j++){                                 
  for(i=0;i<LCDColumn;i++){                           
   data=0;
   showrow=LCDCurrentDspTxt+j/LCDTxtMode_TxtHeight;      
   if(showrow>LCDRow-1)  

                                showrow-=LCDRow;
   txtdata=LCDTxtBuffer[showrow];
   if(txtdata>128)                 //?
    txtdata=' ';
   txtdata=LCDTxtData[txtdata][j%LCDTxtMode_TxtHeight];            
   for(k=7;k>=0;k--){
    data<<=4;
    data|=((txtdata>>k)&0x1)*0xf;
   }
   *(pLCDBuffer16+i+j*40)=data;       //向帧缓冲区发送数据
  }
}
}

char tbuf[256];          //定义tbuf为全局变量
void LCD_printf(const char *format,...)        //
{
int i,j=0;
int LCDCurrentDspTxt=0;
va_list v_list;
char *ptr;

va_start(v_list, format);     // Initialize variable arguments.   
vsprintf(tbuf, format, v_list );
va_end(v_list);

ptr= tbuf;

if(LCDdspMode!=DspTxtMode)
  return;

/*格式化字符串*/
for(i=0;ptr!=0;i++){
  if(ptr=='\n'){ //换行
   LCDCurrentPrnTxt++;
   if(LCDCurrentPrnTxt>LCDRow-1){
    LCDCurrentPrnTxt-=LCDRow;
    LCDIsprnOverPage=TRUE;
   }
   if(LCDIsprnOverPage)
    LCDCurrentDspTxt=LCDCurrentPrnTxt;

   for(;j<LCDColumn;j++) //补齐空格
    LCDTxtBuffer[LCDCurrentPrnTxt][j]=0;
   j=0;
  }
  else{
   if(j<LCDColumn)
    LCDTxtBuffer[LCDCurrentPrnTxt][j++]=ptr;
  }
}

LCD_TxtRefresh(LCDCurrentDspTxt);
}
请教二维数组LCDTxtData 在程序中的作用是什么？它对函数LCD_printf中所要显示的东西有什么作用？