drivers/fatfs/ffconf.h

   1 /*---------------------------------------------------------------------------/
   2 /  FatFs - FAT file system module configuration file  R0.07e  (C)ChaN, 2009
   3 /----------------------------------------------------------------------------/
   4 /
   5 / CAUTION! Do not forget to make clean the project after any changes to
   6 / the configuration options.
   7 /
   8 /----------------------------------------------------------------------------*/
   9 #ifndef _FFCONFIG
  10 #define _FFCONFIG 0x007E
  11
  12 #include "projectconfig.h"
  13
  14 /*---------------------------------------------------------------------------/
  15 / Function and Buffer Configurations
  16 /----------------------------------------------------------------------------*/
  17
  18 #define _FS_TINY        1               /* 0 or 1 */
  19 /* When _FS_TINY is set to 1, FatFs uses the sector buffer in the file system
  20 /  object instead of the sector buffer in the individual file object for file
  21 /  data transfer. This reduces memory consumption 512 bytes each file object. */
  22
  23
  24 #define _FS_READONLY    CFG_SDCARD_READONLY // 0        /* 0 or 1 */
  25 /* Setting _FS_READONLY to 1 defines read only configuration. This removes
  26 /  writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename,
  27 /  f_truncate and useless f_getfree. */
  28
  29
  30 #define _FS_MINIMIZE    0       /* 0, 1, 2 or 3 */
  31 /* The _FS_MINIMIZE option defines minimization level to remove some functions.
  32 /
  33 /   0: Full function.
  34 /   1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename
  35 /      are removed.
  36 /   2: f_opendir and f_readdir are removed in addition to level 1.
  37 /   3: f_lseek is removed in addition to level 2. */
  38
  39
  40 #define _USE_STRFUNC    0       /* 0, 1 or 2 */
  41 /* To enable string functions, set _USE_STRFUNC to 1 or 2. */
  42
  43
  44 #define _USE_MKFS       0               /* 0 or 1 */
  45 /* To enable f_mkfs function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */
  46
  47
  48 #define _USE_FORWARD    0       /* 0 or 1 */
  49 /* To enable f_forward function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */
  50
  51
  52
  53 /*---------------------------------------------------------------------------/
  54 / Locale and Namespace Configurations
  55 /----------------------------------------------------------------------------*/
  56
  57 #define _CODE_PAGE      858
  58 /* The _CODE_PAGE specifies the OEM code page to be used on the target system.
  59 /  Incorrect setting of the code page can cause a file open failure.
  60 /
  61 /   932  - Japanese Shift-JIS (DBCS, OEM, Windows)
  62 /   936  - Simplified Chinese GBK (DBCS, OEM, Windows)
  63 /   949  - Korean (DBCS, OEM, Windows)
  64 /   950  - Traditional Chinese Big5 (DBCS, OEM, Windows)
  65 /   1250 - Central Europe (Windows)
  66 /   1251 - Cyrillic (Windows)
  67 /   1252 - Latin 1 (Windows)
  68 /   1253 - Greek (Windows)
  69 /   1254 - Turkish (Windows)
  70 /   1255 - Hebrew (Windows)
  71 /   1256 - Arabic (Windows)
  72 /   1257 - Baltic (Windows)
  73 /   1258 - Vietnam (OEM, Windows)
  74 /   437  - U.S. (OEM)
  75 /   720  - Arabic (OEM)
  76 /   737  - Greek (OEM)
  77 /   775  - Baltic (OEM)
  78 /   850  - Multilingual Latin 1 (OEM)
  79 /   858  - Multilingual Latin 1 + Euro (OEM)
  80 /   852  - Latin 2 (OEM)
  81 /   855  - Cyrillic (OEM)
  82 /   866  - Russian (OEM)
  83 /   857  - Turkish (OEM)
  84 /   862  - Hebrew (OEM)
  85 /   874  - Thai (OEM, Windows)
  86 /       1    - ASCII only (Valid for non LFN cfg.)
  87 */
  88
  89
  90 #define _USE_LFN        0               /* 0, 1 or 2 */
  91 #define _MAX_LFN        64              /* Maximum LFN length to handle (12 to 255) */
  92 /* The _USE_LFN option switches the LFN support.
  93 /
  94 /   0: Disable LFN. _MAX_LFN and _LFN_UNICODE have no effect.
  95 /   1: Enable LFN with static working buffer on the bss. NOT REENTRANT.
  96 /   2: Enable LFN with dynamic working buffer on the STACK.
  97 /
  98 /  The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. When enable LFN,
  99 /  two Unicode handling functions ff_convert() and ff_wtoupper() must be added
 100 /  to the project. */
 101
 102
 103 #define _LFN_UNICODE    0       /* 0 or 1 */
 104 /* To switch the character code set on FatFs API to Unicode,
 105 /  enable LFN feature and set _LFN_UNICODE to 1.
 106 */
 107
 108
 109 #define _FS_RPATH       0               /* 0 or 1 */
 110 /* When _FS_RPATH is set to 1, relative path feature is enabled and f_chdir,
 111 /  f_chdrive function are available.
 112 /  Note that output of the f_readdir fnction is affected by this option. */
 113
 114
 115
 116 /*---------------------------------------------------------------------------/
 117 / Physical Drive Configurations
 118 /----------------------------------------------------------------------------*/
 119
 120 #define _DRIVES         1
 121 /* Number of volumes (logical drives) to be used. */
 122
 123
 124 #define _MAX_SS         512             /* 512, 1024, 2048 or 4096 */
 125 /* Maximum sector size to be handled.
 126 /  Always set 512 for memory card and hard disk but a larger value may be
 127 /  required for floppy disk (512/1024) and optical disk (512/2048).
 128 /  When _MAX_SS is larger than 512, GET_SECTOR_SIZE command must be implememted
 129 /  to the disk_ioctl function. */
 130
 131
 132 #define _MULTI_PARTITION        0       /* 0 or 1 */
 133 /* When _MULTI_PARTITION is set to 0, each volume is bound to the same physical
 134 / drive number and can mount only first primaly partition. When it is set to 1,
 135 / each volume is tied to the partitions listed in Drives[]. */
 136
 137
 138
 139 /*---------------------------------------------------------------------------/
 140 / System Configurations
 141 /----------------------------------------------------------------------------*/
 142
 143 #define _WORD_ACCESS    0       /* 0 or 1 */
 144 /* The _WORD_ACCESS option defines which access method is used to the word
 145 /  data on the FAT volume.
 146 /
 147 /   0: Byte-by-byte access. Always compatible with all platforms.
 148 /   1: Word access. Do not choose this unless following condition is met.
 149 /
 150 /  When the byte order on the memory is big-endian or address miss-aligned
 151 /  word access results incorrect behavior, the _WORD_ACCESS must be set to 0.
 152 /  If it is not the case, the value can also be set to 1 to improve the
 153 /  performance and code size. */
 154
 155
 156 #define _FS_REENTRANT   0               /* 0 or 1 */
 157 #define _FS_TIMEOUT             1000    /* Timeout period in unit of time ticks */
 158 #define _SYNC_t                 HANDLE  /* O/S dependent type of sync object. e.g. HANDLE, OS_EVENT*, ID and etc.. */
 159 /* The _FS_REENTRANT option switches the reentrancy of the FatFs module.
 160 /
 161 /   0: Disable reentrancy. _SYNC_t and _FS_TIMEOUT have no effect.
 162 /   1: Enable reentrancy. Also user provided synchronization handlers,
 163 /      ff_req_grant, ff_rel_grant, ff_del_syncobj and ff_cre_syncobj
 164 /      function must be added to the project. */
 165
 166
 167 #endif /* _FFCONFIG */