fat32readcluster.lst

用C51单片机实现的MP3播放器的c代码程序。

C51 COMPILER V6.12  FAT32READCLUSTER                                                       05/03/2005 11:51:05 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE FAT32READCLUSTER
OBJECT MODULE PLACED IN .\FAT32READCLUSTER.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE .\FAT32READCLUSTER.C LARGE BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #ifndef _FAT32_DEFINE
   2           #include "FAT32.c"
   3          #endif
   4          
   5          void FAT32ReadCluster(DWORD *Cluster);
   6          
   7          void FAT32ReadCluster(DWORD *Cluster)
   8          {
   9   1      	if (FAT32.ClusSecCnt==FAT32.SecPerClus)			//读下一簇
  10   1      	{
  11   2      		*Cluster=FAT32NextCluster(*Cluster);
  12   2      		IDEReadSector(ClusterToSector(*Cluster));
  13   2      		FAT32.ClusSecCnt=1;
  14   2      	}
  15   1      	else if (FAT32.ClusSecCnt==0)					//读第一簇
  16   1      	{
  17   2      		IDEReadSector(ClusterToSector(*Cluster));
  18   2      		FAT32.ClusSecCnt++;
  19   2      	}
  20   1      	else										//读当前簇下一扇区
  21   1      	{
  22   2      		IDEReadSector(IDE.CurrentSector+1);
  23   2      		FAT32.ClusSecCnt++;
  24   2      	}
  25   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    265    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----       3
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)