sd卡读出数据后，如何送入ILI9325的屏进行显示

hpdell 提问时间：2010-7-7 09:50 /

请教高手：我现在可以从SD卡中读出数据（抄袭的），但是当送入TFT屏显示就不对了，用串口查看数据，没有错误的，相关代码如下：
我的QQ:519212866

//图片显示函数，此函数显示一个图片是正常的
uchar tupian[]=
{
0X00,0X34,0X56,
0X00,0X34,0X56,
0X00,0X34,0X56,
0X00,0X34,0X56,
0X00,0X34,0X56,
0X00,0X34,0X56,
0X00,0X34,0X56,
}
void GUI_DisPicture(uchar x, uint y, uchar length, uint high ,const uchar *pic)
{
   uint temp=0,tmp=0,num=0;
LCD_setwindow(x,y,x+length-1,y+high-1);
num=length*high*2;
do
{
    temp=pic[tmp]|( pic[tmp+1]FileSize-offset;
znFAT_Seek_File(pfi,offset);

znFAT_ReadSector(pfi->FileCurSector,znFAT_Buffer);
for(i=pfi->FileCurPos;iBytesPerSector;i++)
{
   if(counter>=len)
   {
     return len;
   }
   (*pfun)(znFAT_Buffer);
   counter++;
   pfi->FileCurPos++;
   pfi->FileCurOffset++;
}
if(pfi->FileCurSector-(SOC(pfi->FileCurCluster))!=(pArg->SectorsPerClust-1))
{
   for(j=pfi->FileCurSector+1;jFileCurCluster))+pArg->SectorsPerClust;j++)
   {
    znFAT_ReadSector(j,znFAT_Buffer);
    pfi->FileCurSector=j;
    for(i=0;iBytesPerSector;i++)
    {
     if(counter>=len)
     {
       return len;
     }
     (*pfun)(znFAT_Buffer);
     counter++;
     pfi->FileCurPos++;
     pfi->FileCurOffset++;
    }
   }
}
temp=(len-counter)/(pArg->BytesPerSector*pArg->SectorsPerClust);
for(k=0;kFileCurCluster=znFAT_GetNextCluster(pfi->FileCurCluster);
   for(j=(SOC(pfi->FileCurCluster));jFileCurCluster))+pArg->SectorsPerClust;j++)
   {
    znFAT_ReadSector(j,znFAT_Buffer);
    pfi->FileCurSector=j;
    for(i=0;iBytesPerSector;i++)
    {
     if(counter>=len)
   {
       return len;
     }
     (*pfun)(znFAT_Buffer);
     counter++;
     pfi->FileCurOffset++;
pfi->FileCurPos++;
pfi->FileCurPos%=pArg->BytesPerSector;
    }
   }
}
pfi->FileCurCluster=znFAT_GetNextCluster(pfi->FileCurCluster);
temp=(SOC(pfi->FileCurCluster))+((len-counter)/pArg->BytesPerSector);
pfi->FileCurSector=(SOC(pfi->FileCurCluster));
for(j=(SOC(pfi->FileCurCluster));jFileCurSector=j;
   for(i=0;iBytesPerSector;i++)
   {
    if(counter>=len)
    {
      return len;
    }
    (*pfun)(znFAT_Buffer);
    counter++;
    pfi->FileCurPos++;
    pfi->FileCurPos%=pArg->BytesPerSector;
    pfi->FileCurOffset++;
   }
}
pfi->FileCurSector=j;
znFAT_ReadSector(pfi->FileCurSector,znFAT_Buffer);
temp=len-counter;
for(i=0;i=len)
   {
     return len;
   }
   (*pfun)(znFAT_Buffer);
   counter++;
   pfi->FileCurPos++;
   pfi->FileCurPos%=pArg->BytesPerSector;
   pfi->FileCurOffset++;
}
}
else
{
len=0;
}
return len;
}

void main()
{
GUI_DisPicture(0, 0, 240, 320 ,tupian); //比如是这个数组里面的数据时240*320的数据，这个显示是正常的

FAT_Read_FileX(&FileInfo,0,FileInfo.FileSize,disp_sd); //这样调用后，TFT屏上就显示几个点，请问要怎样修改才能够让他把读出的数据（图片）正常的显示出来啊？？？？？？？？？？？？？
}