gcc4mbed/external/FATFileSystem/FATFileSystem.h

   1 /* mbed Microcontroller Library - FATFileSystem
   2  * Copyright (c) 2008, sford
   3  */
   4
   5 /* Library: FATFileSystem.h
   6  * A library of stuff to make a fat filesystem on top of a block device
   7  */
   8
   9 #ifndef MBED_FATFILESYSTEM_H
  10 #define MBED_FATFILESYSTEM_H
  11
  12 #ifndef FFSDEBUG_ENABLED
  13 #define FFSDEBUG_ENABLED 0
  14 #endif
  15
  16 #if FFSDEBUG_ENABLED
  17 #define FFSDEBUG(FMT, ...) printf(FMT, ##__VA_ARGS__)
  18 #else
  19 #define FFSDEBUG(FMT, ...)
  20 #endif
  21
  22 #include "FileSystemLike.h"
  23 #include "FileHandle.h"
  24 #include "ff.h"
  25 #include "diskio.h"
  26
  27 namespace mbed {
  28 /* Class: FATFileSystem
  29  * The class itself
  30  */
  31 class FATFileSystem : public FileSystemLike {
  32 public:
  33
  34         FATFileSystem(const char* n);
  35         virtual ~FATFileSystem();
  36
  37         /* Function: open
  38        * open a file on the filesystem. never called directly
  39        */
  40         virtual FileHandle *open(const char* name, int flags);
  41         virtual int remove(const char *filename);
  42         virtual int format();
  43         virtual DirHandle *opendir(const char *name);
  44     virtual int mkdir(const char *name, int mode);
  45
  46     FATFS _fs;                                                  // Work area (file system object) for logical drive
  47     static FATFileSystem *_ffs[_DRIVES];        // FATFileSystem objects, as parallel to FatFs drives array
  48         int _fsid;
  49
  50         virtual int disk_initialize() { return 0; }
  51         virtual int disk_status() { return 0; }
  52         virtual int disk_read(char *buffer, int sector) = 0;
  53         virtual int disk_write(const char *buffer, int sector) = 0;
  54         virtual int disk_sync() { return 0; }
  55         virtual int disk_sectors() = 0;
  56
  57 };
  58
  59 }
  60
  61 #endif