ffconf.h 7.3 KB

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  1. /*---------------------------------------------------------------------------/
  2. / FatFs - FAT file system module configuration file R0.08a (C)ChaN, 2010
  3. /----------------------------------------------------------------------------/
  4. /
  5. / CAUTION! Do not forget to make clean the project after any changes to
  6. / the configuration options.
  7. /
  8. /----------------------------------------------------------------------------*/
  9. #ifndef _FFCONF
  10. #define _FFCONF 8255 /* Revision ID */
  11. /*---------------------------------------------------------------------------/
  12. / Function and Buffer Configurations
  13. /----------------------------------------------------------------------------*/
  14. #define _FS_TINY 1 /* 0:Normal or 1:Tiny */
  15. /* When _FS_TINY is set to 1, FatFs uses the sector buffer in the file system
  16. / object instead of the sector buffer in the individual file object for file
  17. / data transfer. This reduces memory consumption 512 bytes each file object. */
  18. #define _FS_READONLY 1 /* 0:Read/Write or 1:Read only */
  19. /* Setting _FS_READONLY to 1 defines read only configuration. This removes
  20. / writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename,
  21. / f_truncate and useless f_getfree. */
  22. #define _FS_MINIMIZE 3 /* 0 to 3 */
  23. /* The _FS_MINIMIZE option defines minimization level to remove some functions.
  24. /
  25. / 0: Full function.
  26. / 1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename
  27. / are removed.
  28. / 2: f_opendir and f_readdir are removed in addition to 1.
  29. / 3: f_lseek is removed in addition to 2. */
  30. #define _USE_STRFUNC 0 /* 0:Disable or 1/2:Enable */
  31. /* To enable string functions, set _USE_STRFUNC to 1 or 2. */
  32. #define _USE_MKFS 0 /* 0:Disable or 1:Enable */
  33. /* To enable f_mkfs function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */
  34. #define _USE_FORWARD 0 /* 0:Disable or 1:Enable */
  35. /* To enable f_forward function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */
  36. #define _USE_FASTSEEK 0 /* 0:Disable or 1:Enable */
  37. /* To enable fast seek feature, set _USE_FASTSEEK to 1. */
  38. /*---------------------------------------------------------------------------/
  39. / Locale and Namespace Configurations
  40. /----------------------------------------------------------------------------*/
  41. #define _CODE_PAGE 1
  42. /* The _CODE_PAGE specifies the OEM code page to be used on the target system.
  43. / Incorrect setting of the code page can cause a file open failure.
  44. /
  45. / 932 - Japanese Shift-JIS (DBCS, OEM, Windows)
  46. / 936 - Simplified Chinese GBK (DBCS, OEM, Windows)
  47. / 949 - Korean (DBCS, OEM, Windows)
  48. / 950 - Traditional Chinese Big5 (DBCS, OEM, Windows)
  49. / 1250 - Central Europe (Windows)
  50. / 1251 - Cyrillic (Windows)
  51. / 1252 - Latin 1 (Windows)
  52. / 1253 - Greek (Windows)
  53. / 1254 - Turkish (Windows)
  54. / 1255 - Hebrew (Windows)
  55. / 1256 - Arabic (Windows)
  56. / 1257 - Baltic (Windows)
  57. / 1258 - Vietnam (OEM, Windows)
  58. / 437 - U.S. (OEM)
  59. / 720 - Arabic (OEM)
  60. / 737 - Greek (OEM)
  61. / 775 - Baltic (OEM)
  62. / 850 - Multilingual Latin 1 (OEM)
  63. / 858 - Multilingual Latin 1 + Euro (OEM)
  64. / 852 - Latin 2 (OEM)
  65. / 855 - Cyrillic (OEM)
  66. / 866 - Russian (OEM)
  67. / 857 - Turkish (OEM)
  68. / 862 - Hebrew (OEM)
  69. / 874 - Thai (OEM, Windows)
  70. / 1 - ASCII only (Valid for non LFN cfg.)
  71. */
  72. #define _USE_LFN 0 /* 0 to 3 */
  73. #define _MAX_LFN 255 /* Maximum LFN length to handle (12 to 255) */
  74. /* The _USE_LFN option switches the LFN support.
  75. /
  76. / 0: Disable LFN feature. _MAX_LFN and _LFN_UNICODE have no effect.
  77. / 1: Enable LFN with static working buffer on the BSS. Always NOT reentrant.
  78. / 2: Enable LFN with dynamic working buffer on the STACK.
  79. / 3: Enable LFN with dynamic working buffer on the HEAP.
  80. /
  81. / The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. To enable LFN,
  82. / Unicode handling functions ff_convert() and ff_wtoupper() must be added
  83. / to the project. When enable to use heap, memory control functions
  84. / ff_memalloc() and ff_memfree() must be added to the project. */
  85. #define _LFN_UNICODE 0 /* 0:ANSI/OEM or 1:Unicode */
  86. /* To switch the character code set on FatFs API to Unicode,
  87. / enable LFN feature and set _LFN_UNICODE to 1. */
  88. #define _FS_RPATH 0 /* 0 to 2 */
  89. /* The _FS_RPATH option configures relative path feature.
  90. /
  91. / 0: Disable relative path feature and remove related functions.
  92. / 1: Enable relative path. f_chdrive() and f_chdir() are available.
  93. / 2: f_getcwd() is available in addition to 1.
  94. /
  95. / Note that output of the f_readdir fnction is affected by this option. */
  96. /*---------------------------------------------------------------------------/
  97. / Physical Drive Configurations
  98. /----------------------------------------------------------------------------*/
  99. #define _VOLUMES 1
  100. /* Number of volumes (logical drives) to be used. */
  101. #define _MAX_SS 512 /* 512, 1024, 2048 or 4096 */
  102. /* Maximum sector size to be handled.
  103. / Always set 512 for memory card and hard disk but a larger value may be
  104. / required for floppy disk (512/1024) and optical disk (512/2048).
  105. / When _MAX_SS is larger than 512, GET_SECTOR_SIZE command must be implememted
  106. / to the disk_ioctl function. */
  107. #define _MULTI_PARTITION 0 /* 0:Single partition or 1:Multiple partition */
  108. /* When set to 0, each volume is bound to the same physical drive number and
  109. / it can mount only first primaly partition. When it is set to 1, each volume
  110. / is tied to the partitions listed in VolToPart[]. */
  111. #define _USE_ERASE 0 /* 0:Disable or 1:Enable */
  112. /* To enable sector erase feature, set _USE_ERASE to 1. */
  113. /*---------------------------------------------------------------------------/
  114. / System Configurations
  115. /----------------------------------------------------------------------------*/
  116. #define _WORD_ACCESS 0 /* 0 or 1 */
  117. /* Set 0 first and it is always compatible with all platforms. The _WORD_ACCESS
  118. / option defines which access method is used to the word data on the FAT volume.
  119. /
  120. / 0: Byte-by-byte access.
  121. / 1: Word access. Do not choose this unless following condition is met.
  122. /
  123. / When the byte order on the memory is big-endian or address miss-aligned word
  124. / access results incorrect behavior, the _WORD_ACCESS must be set to 0.
  125. / If it is not the case, the value can also be set to 1 to improve the
  126. / performance and code size. */
  127. /* Include a header file here to define sync object types on the O/S */
  128. /* #include <windows.h>, <ucos_ii.h.h>, <semphr.h> or ohters. */
  129. #define _FS_REENTRANT 0 /* 0:Disable or 1:Enable */
  130. #define _FS_TIMEOUT 1000 /* Timeout period in unit of time ticks */
  131. #define _SYNC_t HANDLE /* O/S dependent type of sync object. e.g. HANDLE, OS_EVENT*, ID and etc.. */
  132. /* The _FS_REENTRANT option switches the reentrancy of the FatFs module.
  133. /
  134. / 0: Disable reentrancy. _SYNC_t and _FS_TIMEOUT have no effect.
  135. / 1: Enable reentrancy. Also user provided synchronization handlers,
  136. / ff_req_grant, ff_rel_grant, ff_del_syncobj and ff_cre_syncobj
  137. / function must be added to the project. */
  138. #define _FS_SHARE 0 /* 0:Disable or >=1:Enable */
  139. /* To enable file shareing feature, set _FS_SHARE to 1 or greater. The value
  140. defines how many files can be opened simultaneously. */
  141. #endif /* _FFCONFIG */