fat32readcluster.lst

基于c51的SD驱动程序,在FAT32文件系统中.

C51 COMPILER V7.50   FAT32READCLUSTER                                                      07/13/2005 11:17:11 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE FAT32READCLUSTER
OBJECT MODULE PLACED IN FAT32READCLUSTER.OBJ
COMPILER INVOKED BY: e:\Keil\C51\BIN\C51.EXE FAT32READCLUSTER.C BROWSE DEBUG OBJECTEXTEND

line 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                      ReadDiskSector(ClusterToSector(*Cluster));
  13   2                      FAT32.ClusSecCnt=1;
  14   2              }
  15   1              else if (FAT32.ClusSecCnt==0)                                   //读第一簇
  16   1              {
  17   2                      ReadDiskSector(ClusterToSector(*Cluster));
  18   2                      FAT32.ClusSecCnt++;
  19   2              }
  20   1              else                                                                            //读当前簇下一扇区
  21   1              {
  22   2                      ReadDiskSector(FAT32.ClusSecCnt+ClusterToSector(*Cluster));
  23   2                      FAT32.ClusSecCnt++;
  24   2              }
  25   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    262    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2       3
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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