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Show/hide line numbers <title>ffconf.h Source File</title>

ffconf.h

00001 /*---------------------------------------------------------------------------/
00002 /  FatFs - FAT file system module configuration file  R0.09a (C)ChaN, 2012
00003 /----------------------------------------------------------------------------/
00004 /
00005 / CAUTION! Do not forget to make clean the project after any changes to
00006 / the configuration options.
00007 /
00008 /----------------------------------------------------------------------------*/
00009 #ifndef _FFCONF
00010 #define _FFCONF 4004    /* Revision ID */
00011 
00012 #define FFS_DBG     0
00013 
00014 /*---------------------------------------------------------------------------/
00015 / Functions and Buffer Configurations
00016 /----------------------------------------------------------------------------*/
00017 
00018 #define _FS_TINY        0   /* 0:Normal or 1:Tiny */
00019 /* When _FS_TINY is set to 1, FatFs uses the sector buffer in the file system
00020 /  object instead of the sector buffer in the individual file object for file
00021 /  data transfer. This reduces memory consumption 512 bytes each file object. */
00022 
00023 
00024 #define _FS_READONLY    0   /* 0:Read/Write or 1:Read only */
00025 /* Setting _FS_READONLY to 1 defines read only configuration. This removes
00026 /  writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename,
00027 /  f_truncate and useless f_getfree. */
00028 
00029 
00030 #define _FS_MINIMIZE    0   /* 0 to 3 */
00031 /* The _FS_MINIMIZE option defines minimization level to remove some functions.
00032 /
00033 /   0: Full function.
00034 /   1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename
00035 /      are removed.
00036 /   2: f_opendir and f_readdir are removed in addition to 1.
00037 /   3: f_lseek is removed in addition to 2. */
00038 
00039 
00040 #define _USE_STRFUNC    0   /* 0:Disable or 1-2:Enable */
00041 /* To enable string functions, set _USE_STRFUNC to 1 or 2. */
00042 
00043 
00044 #define _USE_MKFS       1   /* 0:Disable or 1:Enable */
00045 /* To enable f_mkfs function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */
00046 
00047 
00048 #define _USE_FORWARD    0   /* 0:Disable or 1:Enable */
00049 /* To enable f_forward function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */
00050 
00051 
00052 #define _USE_FASTSEEK   0   /* 0:Disable or 1:Enable */
00053 /* To enable fast seek feature, set _USE_FASTSEEK to 1. */
00054 
00055 
00056 
00057 /*---------------------------------------------------------------------------/
00058 / Locale and Namespace Configurations
00059 /----------------------------------------------------------------------------*/
00060 
00061 #define _CODE_PAGE  858
00062 /* The _CODE_PAGE specifies the OEM code page to be used on the target system.
00063 /  Incorrect setting of the code page can cause a file open failure.
00064 /
00065 /   932  - Japanese Shift-JIS (DBCS, OEM, Windows)
00066 /   936  - Simplified Chinese GBK (DBCS, OEM, Windows)
00067 /   949  - Korean (DBCS, OEM, Windows)
00068 /   950  - Traditional Chinese Big5 (DBCS, OEM, Windows)
00069 /   1250 - Central Europe (Windows)
00070 /   1251 - Cyrillic (Windows)
00071 /   1252 - Latin 1 (Windows)
00072 /   1253 - Greek (Windows)
00073 /   1254 - Turkish (Windows)
00074 /   1255 - Hebrew (Windows)
00075 /   1256 - Arabic (Windows)
00076 /   1257 - Baltic (Windows)
00077 /   1258 - Vietnam (OEM, Windows)
00078 /   437  - U.S. (OEM)
00079 /   720  - Arabic (OEM)
00080 /   737  - Greek (OEM)
00081 /   775  - Baltic (OEM)
00082 /   850  - Multilingual Latin 1 (OEM)
00083 /   858  - Multilingual Latin 1 + Euro (OEM)
00084 /   852  - Latin 2 (OEM)
00085 /   855  - Cyrillic (OEM)
00086 /   866  - Russian (OEM)
00087 /   857  - Turkish (OEM)
00088 /   862  - Hebrew (OEM)
00089 /   874  - Thai (OEM, Windows)
00090 /   1    - ASCII only (Valid for non LFN cfg.)
00091 */
00092 
00093 
00094 #define _USE_LFN    1       /* 0 to 3 */
00095 #define _MAX_LFN    255     /* Maximum LFN length to handle (12 to 255) */
00096 /* The _USE_LFN option switches the LFN support.
00097 /
00098 /   0: Disable LFN feature. _MAX_LFN and _LFN_UNICODE have no effect.
00099 /   1: Enable LFN with static working buffer on the BSS. Always NOT reentrant.
00100 /   2: Enable LFN with dynamic working buffer on the STACK.
00101 /   3: Enable LFN with dynamic working buffer on the HEAP.
00102 /
00103 /  The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. To enable LFN,
00104 /  Unicode handling functions ff_convert() and ff_wtoupper() must be added
00105 /  to the project. When enable to use heap, memory control functions
00106 /  ff_memalloc() and ff_memfree() must be added to the project. */
00107 
00108 
00109 #define _LFN_UNICODE    0   /* 0:ANSI/OEM or 1:Unicode */
00110 /* To switch the character code set on FatFs API to Unicode,
00111 /  enable LFN feature and set _LFN_UNICODE to 1. */
00112 
00113 
00114 #define _FS_RPATH       0   /* 0 to 2 */
00115 /* The _FS_RPATH option configures relative path feature.
00116 /
00117 /   0: Disable relative path feature and remove related functions.
00118 /   1: Enable relative path. f_chdrive() and f_chdir() are available.
00119 /   2: f_getcwd() is available in addition to 1.
00120 /
00121 /  Note that output of the f_readdir fnction is affected by this option. */
00122 
00123 
00124 
00125 /*---------------------------------------------------------------------------/
00126 / Physical Drive Configurations
00127 /----------------------------------------------------------------------------*/
00128 
00129 #define _VOLUMES    1
00130 /* Number of volumes (logical drives) to be used. */
00131 
00132 
00133 #define _MAX_SS     512     /* 512, 1024, 2048 or 4096 */
00134 /* Maximum sector size to be handled.
00135 /  Always set 512 for memory card and hard disk but a larger value may be
00136 /  required for on-board flash memory, floppy disk and optical disk.
00137 /  When _MAX_SS is larger than 512, it configures FatFs to variable sector size
00138 /  and GET_SECTOR_SIZE command must be implememted to the disk_ioctl function. */
00139 
00140 
00141 #define _MULTI_PARTITION    0   /* 0:Single partition, 1/2:Enable multiple partition */
00142 /* When set to 0, each volume is bound to the same physical drive number and
00143 / it can mount only first primaly partition. When it is set to 1, each volume
00144 / is tied to the partitions listed in VolToPart[]. */
00145 
00146 
00147 #define _USE_ERASE  0   /* 0:Disable or 1:Enable */
00148 /* To enable sector erase feature, set _USE_ERASE to 1. CTRL_ERASE_SECTOR command
00149 /  should be added to the disk_ioctl functio. */
00150 
00151 
00152 
00153 /*---------------------------------------------------------------------------/
00154 / System Configurations
00155 /----------------------------------------------------------------------------*/
00156 
00157 #define _WORD_ACCESS    0   /* 0 or 1 */
00158 /* Set 0 first and it is always compatible with all platforms. The _WORD_ACCESS
00159 /  option defines which access method is used to the word data on the FAT volume.
00160 /
00161 /   0: Byte-by-byte access.
00162 /   1: Word access. Do not choose this unless following condition is met.
00163 /
00164 /  When the byte order on the memory is big-endian or address miss-aligned word
00165 /  access results incorrect behavior, the _WORD_ACCESS must be set to 0.
00166 /  If it is not the case, the value can also be set to 1 to improve the
00167 /  performance and code size.
00168 */
00169 
00170 
00171 /* A header file that defines sync object types on the O/S, such as
00172 /  windows.h, ucos_ii.h and semphr.h, must be included prior to ff.h. */
00173 
00174 #define _FS_REENTRANT   0       /* 0:Disable or 1:Enable */
00175 #define _FS_TIMEOUT     1000    /* Timeout period in unit of time ticks */
00176 #define _SYNC_t         HANDLE  /* O/S dependent type of sync object. e.g. HANDLE, OS_EVENT*, ID and etc.. */
00177 
00178 /* The _FS_REENTRANT option switches the reentrancy (thread safe) of the FatFs module.
00179 /
00180 /   0: Disable reentrancy. _SYNC_t and _FS_TIMEOUT have no effect.
00181 /   1: Enable reentrancy. Also user provided synchronization handlers,
00182 /      ff_req_grant, ff_rel_grant, ff_del_syncobj and ff_cre_syncobj
00183 /      function must be added to the project. */
00184 
00185 
00186 #define _FS_LOCK    0   /* 0:Disable or >=1:Enable */
00187 /* To enable file lock control feature, set _FS_LOCK to 1 or greater.
00188    The value defines how many files can be opened simultaneously. */
00189 
00190 
00191 #endif /* _FFCONFIG */