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fs_int.h
Package: STM32-uCOS-II_UAV.rar　[view]
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Upload Date: 2017-01-28
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Code Size: 2k
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uCOS

Development Platform:

C/C++

fs_int.h：Code Content
  1. /*
  2. **********************************************************************
  3. *                          Micrium, Inc.
  4. *                      949 Crestview Circle
  5. *                     Weston,  FL 33327-1848
  6. *
  7. *                            uC/FS
  8. *
  9. *             (c) Copyright 2001 - 2003, Micrium, Inc.
  10. *                      All rights reserved.
  11. *
  12. ***********************************************************************
  14. ----------------------------------------------------------------------
  15. File        : fs_int.h 
  16. Purpose     : Internals used accross different layers of the file system
  17. ----------------------------------------------------------------------
  18. Known problems or limitations with current version
  19. ----------------------------------------------------------------------
  20. None.
  21. ---------------------------END-OF-HEADER------------------------------
  22. */
  24. #ifndef _FS_INT_H_
  25. #define _FS_INT_H_
  27. /*********************************************************************
  28. *
  29. *             Global data types
  30. *
  31. **********************************************************************
  32. */
  34. #ifndef FS_USE_LB_READCACHE
  35.   #define FS_USE_LB_READCACHE 0
  36. #endif
  38. #if FS_USE_LB_READCACHE
  39.   #ifndef FS_LB_BLOCKSIZE
  40.     #define FS_LB_BLOCKSIZE 0x200
  41.   #endif
  42.   typedef struct {
  43.     FS_u32            BlockId;
  44.     char              aBlockData[FS_LB_BLOCKSIZE];
  45.   } FS__CACHE_BUFFER;
  48.   typedef struct {
  49.     const int         MaxCacheNum;
  50.     int               CacheIndex;
  51.     FS__CACHE_BUFFER  *const pCache;
  52.   } FS__LB_CACHE;
  53. #endif  /* FS_USE_LB_READCACHE */
  56. typedef struct {
  57.   const char             *const devname;
  58.   const FS__fsl_type     *const fs_ptr;
  59.   const FS__device_type  *const devdriver;
  60. #if FS_USE_LB_READCACHE
  61.   FS__LB_CACHE           *const pDevCacheInfo;
  62. #endif /* FS_USE_LB_READCACHE */
  63.   const void             *const data;
  64. } FS__devinfo_type;
  67. /*********************************************************************
  68. *
  69. *             Externals
  70. *
  71. **********************************************************************
  72. */
  74. /* fs_info.c */
  75. extern const FS__devinfo_type   *const FS__pDevInfo;
  76. extern const unsigned int       FS__maxdev;
  77. extern const unsigned int       FS__fat_maxunit;
  79. #endif  /* _FS_INT_H_ */