include/avr/ffconf.h

   1 /*---------------------------------------------------------------------------/
   2 /  FatFs - FAT file system module configuration file  R0.10c (C)ChaN, 2014
   3 /---------------------------------------------------------------------------*/
   4
   5 #define _FFCONF 80376   /* Revision ID */
   6
   7 /*---------------------------------------------------------------------------/
   8 / Functions and Buffer Configurations
   9 /---------------------------------------------------------------------------*/
  10
  11 #define _FS_TINY                1
  12 /* This option switches tiny buffer configuration. (0:Normal or 1:Tiny)
  13 /  At the tiny configuration, size of the file object (FIL) is reduced _MAX_SS
  14 /  bytes. Instead of private sector buffer eliminated from the file object,
  15 /  common sector buffer in the file system object (FATFS) is used for the file
  16 /  data transfer. */
  17
  18
  19 #define _FS_READONLY    0
  20 /* This option switches read-only configuration. (0:Read/Write or 1:Read-only)
  21 /  Read-only configuration removes basic writing API functions, f_write(),
  22 /  f_sync(), f_unlink(), f_mkdir(), f_chmod(), f_rename(), f_truncate(),
  23 /  f_getfree() and optional writing functions as well. */
  24
  25
  26 #define _FS_MINIMIZE    0
  27 /* This option defines minimization level to remove some API functions.
  28 /
  29 /   0: All basic functions are enabled.
  30 /   1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_chmod(), f_utime(),
  31 /      f_truncate() and f_rename() function are removed.
  32 /   2: f_opendir(), f_readdir() and f_closedir() are removed in addition to 1.
  33 /   3: f_lseek() function is removed in addition to 2. */
  34
  35
  36 #define _USE_STRFUNC    2
  37 /* This option switches string functions, f_gets(), f_putc(), f_puts() and
  38 /  f_printf().
  39 /
  40 /  0: Disable string functions.
  41 /  1: Enable without LF-CRLF conversion.
  42 /  2: Enable with LF-CRLF conversion. */
  43
  44
  45 #define _USE_MKFS               0
  46 /* This option switches f_mkfs() function. (0:Disable or 1:Enable)
  47 /  To enable it, also _FS_READONLY need to be set to 0. */
  48
  49
  50 #define _USE_FASTSEEK   0
  51 /* This option switches fast seek feature. (0:Disable or 1:Enable) */
  52
  53
  54 #define _USE_LABEL              1
  55 /* This option switches volume label functions, f_getlabel() and f_setlabel().
  56 /  (0:Disable or 1:Enable) */
  57
  58
  59 #define _USE_FORWARD    0
  60 /* This option switches f_forward() function. (0:Disable or 1:Enable) */
  61 /* To enable it, also _FS_TINY need to be set to 1. */
  62
  63
  64 /*---------------------------------------------------------------------------/
  65 / Locale and Namespace Configurations
  66 /---------------------------------------------------------------------------*/
  67
  68 #define _CODE_PAGE      858
  69 /* This option specifies the OEM code page to be used on the target system.
  70 /  Incorrect setting of the code page can cause a file open failure.
  71 /
  72 /   932  - Japanese Shift_JIS (DBCS, OEM, Windows)
  73 /   936  - Simplified Chinese GBK (DBCS, OEM, Windows)
  74 /   949  - Korean (DBCS, OEM, Windows)
  75 /   950  - Traditional Chinese Big5 (DBCS, OEM, Windows)
  76 /   1250 - Central Europe (Windows)
  77 /   1251 - Cyrillic (Windows)
  78 /   1252 - Latin 1 (Windows)
  79 /   1253 - Greek (Windows)
  80 /   1254 - Turkish (Windows)
  81 /   1255 - Hebrew (Windows)
  82 /   1256 - Arabic (Windows)
  83 /   1257 - Baltic (Windows)
  84 /   1258 - Vietnam (OEM, Windows)
  85 /   437  - U.S. (OEM)
  86 /   720  - Arabic (OEM)
  87 /   737  - Greek (OEM)
  88 /   775  - Baltic (OEM)
  89 /   850  - Multilingual Latin 1 (OEM)
  90 /   858  - Multilingual Latin 1 + Euro (OEM)
  91 /   852  - Latin 2 (OEM)
  92 /   855  - Cyrillic (OEM)
  93 /   866  - Russian (OEM)
  94 /   857  - Turkish (OEM)
  95 /   862  - Hebrew (OEM)
  96 /   874  - Thai (OEM, Windows)
  97 /   1    - ASCII (No extended character. Valid for only non-LFN configuration.) */
  98
  99
 100 #define _USE_LFN        1
 101 #define _MAX_LFN        128
 102 /* The _USE_LFN option switches the LFN feature.
 103 /
 104 /   0: Disable LFN feature. _MAX_LFN has no effect.
 105 /   1: Enable LFN with static working buffer on the BSS. Always NOT thread-safe.
 106 /   2: Enable LFN with dynamic working buffer on the STACK.
 107 /   3: Enable LFN with dynamic working buffer on the HEAP.
 108 /
 109 /  When enable the LFN feature, Unicode handling functions (option/unicode.c) must
 110 /  be added to the project. The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes.
 111 /  When use stack for the working buffer, take care on stack overflow. When use heap
 112 /  memory for the working buffer, memory management functions, ff_memalloc() and
 113 /  ff_memfree(), must be added to the project. */
 114
 115
 116 #define _LFN_UNICODE    0
 117 /* This option switches character encoding on the API. (0:ANSI/OEM or 1:Unicode)
 118 /  To use Unicode string for the path name, enable LFN feature and set _LFN_UNICODE
 119 /  to 1. This option also affects behavior of string I/O functions. */
 120
 121
 122 #define _STRF_ENCODE    3
 123 /* When _LFN_UNICODE is 1, this option selects the character encoding on the file to
 124 /  be read/written via string I/O functions, f_gets(), f_putc(), f_puts and f_printf().
 125 /
 126 /  0: ANSI/OEM
 127 /  1: UTF-16LE
 128 /  2: UTF-16BE
 129 /  3: UTF-8
 130 /
 131 /  When _LFN_UNICODE is 0, this option has no effect. */
 132
 133
 134 #define _FS_RPATH       2
 135 /* This option configures relative path feature.
 136 /
 137 /   0: Disable relative path feature and remove related functions.
 138 /   1: Enable relative path feature. f_chdir() and f_chdrive() are available.
 139 /   2: f_getcwd() function is available in addition to 1.
 140 /
 141 /  Note that directory items read via f_readdir() are affected by this option. */
 142
 143
 144 /*---------------------------------------------------------------------------/
 145 / Drive/Volume Configurations
 146 /---------------------------------------------------------------------------*/
 147
 148 #define _VOLUMES        2
 149 /* Number of volumes (logical drives) to be used. */
 150
 151
 152 #define _STR_VOLUME_ID  0
 153 #define _VOLUME_STRS    "RAM","NAND","CF","SD1","SD2","USB1","USB2","USB3"
 154 /* _STR_VOLUME_ID option switches string volume ID feature.
 155 /  When _STR_VOLUME_ID is set to 1, also pre-defined strings can be used as drive
 156 /  number in the path name. _VOLUME_STRS defines the drive ID strings for each
 157 /  logical drives. Number of items must be equal to _VOLUMES. Valid characters for
 158 /  the drive ID strings are: A-Z and 0-9. */
 159
 160
 161 #define _MULTI_PARTITION        0
 162 /* This option switches multi-partition feature. By default (0), each logical drive
 163 /  number is bound to the same physical drive number and only an FAT volume found on
 164 /  the physical drive will be mounted. When multi-partition feature is enabled (1),
 165 /  each logical drive number is bound to arbitrary physical drive and partition
 166 /  listed in the VolToPart[]. Also f_fdisk() funciton will be enabled. */
 167
 168
 169 #define _MIN_SS         512
 170 #define _MAX_SS         512
 171 /* These options configure the range of sector size to be supported. (512, 1024,
 172 /  2048 or 4096) Always set both 512 for most systems, all type of memory cards and
 173 /  harddisk. But a larger value may be required for on-board flash memory and some
 174 /  type of optical media. When _MAX_SS is larger than _MIN_SS, FatFs is configured
 175 /  to variable sector size and GET_SECTOR_SIZE command must be implemented to the
 176 /  disk_ioctl() function. */
 177
 178
 179 #define _USE_TRIM       0
 180 /* This option switches ATA-TRIM feature. (0:Disable or 1:Enable)
 181 /  To enable Trim feature, also CTRL_TRIM command should be implemented to the
 182 /  disk_ioctl() function. */
 183
 184
 185 #define _FS_NOFSINFO    0
 186 /* If you need to know correct free space on the FAT32 volume, set bit 0 of this
 187 /  option, and f_getfree() function at first time after volume mount will force
 188 /  a full FAT scan. Bit 1 controls the use of last allocated cluster number.
 189 /
 190 /  bit0=0: Use free cluster count in the FSINFO if available.
 191 /  bit0=1: Do not trust free cluster count in the FSINFO.
 192 /  bit1=0: Use last allocated cluster number in the FSINFO if available.
 193 /  bit1=1: Do not trust last allocated cluster number in the FSINFO.
 194 */
 195
 196
 197
 198 /*---------------------------------------------------------------------------/
 199 / System Configurations
 200 /---------------------------------------------------------------------------*/
 201
 202 #define _FS_NORTC       0
 203 #define _NORTC_MON      11
 204 #define _NORTC_MDAY     9
 205 #define _NORTC_YEAR     2014
 206 /* The _FS_NORTC option switches timestamp feature. If the system does not have
 207 /  an RTC function or valid timestamp is not needed, set _FS_NORTC to 1 to disable
 208 /  the timestamp feature. All objects modified by FatFs will have a fixed timestamp
 209 /  defined by _NORTC_MON, _NORTC_MDAY and _NORTC_YEAR.
 210 /  When timestamp feature is enabled (_FS_NORTC == 0), get_fattime() function need
 211 /  to be added to the project to read current time form RTC. _NORTC_MON,
 212 /  _NORTC_MDAY and _NORTC_YEAR have no effect.
 213 /  These options have no effect at read-only configuration (_FS_READONLY == 1). */
 214
 215
 216 #define _FS_LOCK        0
 217 /* The _FS_LOCK option switches file lock feature to control duplicated file open
 218 /  and illegal operation to open objects. This option must be 0 when _FS_READONLY
 219 /  is 1.
 220 /
 221 /  0:  Disable file lock feature. To avoid volume corruption, application program
 222 /      should avoid illegal open, remove and rename to the open objects.
 223 /  >0: Enable file lock feature. The value defines how many files/sub-directories
 224 /      can be opened simultaneously under file lock control. Note that the file
 225 /      lock feature is independent of re-entrancy. */
 226
 227
 228 #define _FS_REENTRANT   0
 229 #define _FS_TIMEOUT             1000
 230 #define _SYNC_t                 HANDLE
 231 /* The _FS_REENTRANT option switches the re-entrancy (thread safe) of the FatFs
 232 /  module itself. Note that regardless of this option, file access to different
 233 /  volume is always re-entrant and volume control functions, f_mount(), f_mkfs()
 234 /  and f_fdisk() function, are always not re-entrant. Only file/directory access
 235 /  to the same volume is under control of this feature.
 236 /
 237 /   0: Disable re-entrancy. _FS_TIMEOUT and _SYNC_t have no effect.
 238 /   1: Enable re-entrancy. Also user provided synchronization handlers,
 239 /      ff_req_grant(), ff_rel_grant(), ff_del_syncobj() and ff_cre_syncobj()
 240 /      function, must be added to the project. Samples are available in
 241 /      option/syscall.c.
 242 /
 243 /  The _FS_TIMEOUT defines timeout period in unit of time tick.
 244 /  The _SYNC_t defines O/S dependent sync object type. e.g. HANDLE, ID, OS_EVENT*,
 245 /  SemaphoreHandle_t and etc.. */
 246
 247
 248 #define _WORD_ACCESS    1       /* 0 or 1 */
 249 /* The _WORD_ACCESS option is an only platform dependent option. It defines
 250 /  which access method is used to the word data on the FAT volume.
 251 /
 252 /   0: Byte-by-byte access. Always compatible with all platforms.
 253 /   1: Word access. Do not choose this unless under both the following conditions.
 254 /
 255 /  * Address misaligned memory access is always allowed to ALL instructions.
 256 /  * Byte order on the memory is little-endian.
 257 /
 258 /  If it is the case, _WORD_ACCESS can also be set to 1 to reduce code size.
 259 /  Following table shows allowable settings of some processor types.
 260 /
 261 /   ARM7TDMI    0           ColdFire    0           V850E       0
 262 /   Cortex-M3   0           Z80         0/1         V850ES      0/1
 263 /   Cortex-M0   0           x86         0/1         TLCS-870    0/1
 264 /   AVR         0/1         RX600(LE)   0/1         TLCS-900    0/1
 265 /   AVR32       0           RL78        0           R32C        0
 266 /   PIC18       0/1         SH-2        0           M16C        0/1
 267 /   PIC24       0           H8S         0           MSP430      0
 268 /   PIC32       0           H8/300H     0           8051        0/1
 269 */