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SDFileSystem/FATFileSystem/ChaN/ffconf.h@0:d58274531d38, 2019-09-11 (annotated)

Committer:
ishiyamayuto
Date:
Wed Sep 11 06:37:20 2019 +0000
Revision:
0:d58274531d38
BMP180,MPU6050

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ishiyamayuto 0:d58274531d38 1 /*---------------------------------------------------------------------------/
ishiyamayuto 0:d58274531d38 2 / FatFs - FAT file system module configuration file R0.11a (C)ChaN, 2015
ishiyamayuto 0:d58274531d38 3 /---------------------------------------------------------------------------*/
ishiyamayuto 0:d58274531d38 4
ishiyamayuto 0:d58274531d38 5 #define _FFCONF 64180 /* Revision ID */
ishiyamayuto 0:d58274531d38 6
ishiyamayuto 0:d58274531d38 7 #define FFS_DBG 0
ishiyamayuto 0:d58274531d38 8
ishiyamayuto 0:d58274531d38 9 /*---------------------------------------------------------------------------/
ishiyamayuto 0:d58274531d38 10 / Function Configurations
ishiyamayuto 0:d58274531d38 11 /---------------------------------------------------------------------------*/
ishiyamayuto 0:d58274531d38 12
ishiyamayuto 0:d58274531d38 13 #define _FS_READONLY 0
ishiyamayuto 0:d58274531d38 14 /* This option switches read-only configuration. (0:Read/Write or 1:Read-only)
ishiyamayuto 0:d58274531d38 15 / Read-only configuration removes writing API functions, f_write(), f_sync(),
ishiyamayuto 0:d58274531d38 16 / f_unlink(), f_mkdir(), f_chmod(), f_rename(), f_truncate(), f_getfree()
ishiyamayuto 0:d58274531d38 17 / and optional writing functions as well. */
ishiyamayuto 0:d58274531d38 18
ishiyamayuto 0:d58274531d38 19
ishiyamayuto 0:d58274531d38 20 #define _FS_MINIMIZE 0
ishiyamayuto 0:d58274531d38 21 /* This option defines minimization level to remove some basic API functions.
ishiyamayuto 0:d58274531d38 22 /
ishiyamayuto 0:d58274531d38 23 / 0: All basic functions are enabled.
ishiyamayuto 0:d58274531d38 24 / 1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_chmod(), f_utime(),
ishiyamayuto 0:d58274531d38 25 / f_truncate() and f_rename() function are removed.
ishiyamayuto 0:d58274531d38 26 / 2: f_opendir(), f_readdir() and f_closedir() are removed in addition to 1.
ishiyamayuto 0:d58274531d38 27 / 3: f_lseek() function is removed in addition to 2. */
ishiyamayuto 0:d58274531d38 28
ishiyamayuto 0:d58274531d38 29
ishiyamayuto 0:d58274531d38 30 #define _USE_STRFUNC 0
ishiyamayuto 0:d58274531d38 31 /* This option switches string functions, f_gets(), f_putc(), f_puts() and
ishiyamayuto 0:d58274531d38 32 / f_printf().
ishiyamayuto 0:d58274531d38 33 /
ishiyamayuto 0:d58274531d38 34 / 0: Disable string functions.
ishiyamayuto 0:d58274531d38 35 / 1: Enable without LF-CRLF conversion.
ishiyamayuto 0:d58274531d38 36 / 2: Enable with LF-CRLF conversion. */
ishiyamayuto 0:d58274531d38 37
ishiyamayuto 0:d58274531d38 38
ishiyamayuto 0:d58274531d38 39 #define _USE_FIND 0
ishiyamayuto 0:d58274531d38 40 /* This option switches filtered directory read feature and related functions,
ishiyamayuto 0:d58274531d38 41 / f_findfirst() and f_findnext(). (0:Disable or 1:Enable) */
ishiyamayuto 0:d58274531d38 42
ishiyamayuto 0:d58274531d38 43
ishiyamayuto 0:d58274531d38 44 #define _USE_MKFS 1
ishiyamayuto 0:d58274531d38 45 /* This option switches f_mkfs() function. (0:Disable or 1:Enable) */
ishiyamayuto 0:d58274531d38 46
ishiyamayuto 0:d58274531d38 47
ishiyamayuto 0:d58274531d38 48 #define _USE_FASTSEEK 0
ishiyamayuto 0:d58274531d38 49 /* This option switches fast seek feature. (0:Disable or 1:Enable) */
ishiyamayuto 0:d58274531d38 50
ishiyamayuto 0:d58274531d38 51
ishiyamayuto 0:d58274531d38 52 #define _USE_LABEL 0
ishiyamayuto 0:d58274531d38 53 /* This option switches volume label functions, f_getlabel() and f_setlabel().
ishiyamayuto 0:d58274531d38 54 / (0:Disable or 1:Enable) */
ishiyamayuto 0:d58274531d38 55
ishiyamayuto 0:d58274531d38 56
ishiyamayuto 0:d58274531d38 57 #define _USE_FORWARD 0
ishiyamayuto 0:d58274531d38 58 /* This option switches f_forward() function. (0:Disable or 1:Enable)
ishiyamayuto 0:d58274531d38 59 / To enable it, also _FS_TINY need to be set to 1. */
ishiyamayuto 0:d58274531d38 60
ishiyamayuto 0:d58274531d38 61
ishiyamayuto 0:d58274531d38 62 /*---------------------------------------------------------------------------/
ishiyamayuto 0:d58274531d38 63 / Locale and Namespace Configurations
ishiyamayuto 0:d58274531d38 64 /---------------------------------------------------------------------------*/
ishiyamayuto 0:d58274531d38 65
ishiyamayuto 0:d58274531d38 66 #define _CODE_PAGE 850
ishiyamayuto 0:d58274531d38 67 /* This option specifies the OEM code page to be used on the target system.
ishiyamayuto 0:d58274531d38 68 / Incorrect setting of the code page can cause a file open failure.
ishiyamayuto 0:d58274531d38 69 /
ishiyamayuto 0:d58274531d38 70 / 1 - ASCII (No extended character. Non-LFN cfg. only)
ishiyamayuto 0:d58274531d38 71 / 437 - U.S.
ishiyamayuto 0:d58274531d38 72 / 720 - Arabic
ishiyamayuto 0:d58274531d38 73 / 737 - Greek
ishiyamayuto 0:d58274531d38 74 / 771 - KBL
ishiyamayuto 0:d58274531d38 75 / 775 - Baltic
ishiyamayuto 0:d58274531d38 76 / 850 - Latin 1
ishiyamayuto 0:d58274531d38 77 / 852 - Latin 2
ishiyamayuto 0:d58274531d38 78 / 855 - Cyrillic
ishiyamayuto 0:d58274531d38 79 / 857 - Turkish
ishiyamayuto 0:d58274531d38 80 / 860 - Portuguese
ishiyamayuto 0:d58274531d38 81 / 861 - Icelandic
ishiyamayuto 0:d58274531d38 82 / 862 - Hebrew
ishiyamayuto 0:d58274531d38 83 / 863 - Canadian French
ishiyamayuto 0:d58274531d38 84 / 864 - Arabic
ishiyamayuto 0:d58274531d38 85 / 865 - Nordic
ishiyamayuto 0:d58274531d38 86 / 866 - Russian
ishiyamayuto 0:d58274531d38 87 / 869 - Greek 2
ishiyamayuto 0:d58274531d38 88 / 932 - Japanese (DBCS)
ishiyamayuto 0:d58274531d38 89 / 936 - Simplified Chinese (DBCS)
ishiyamayuto 0:d58274531d38 90 / 949 - Korean (DBCS)
ishiyamayuto 0:d58274531d38 91 / 950 - Traditional Chinese (DBCS)
ishiyamayuto 0:d58274531d38 92 */
ishiyamayuto 0:d58274531d38 93
ishiyamayuto 0:d58274531d38 94
ishiyamayuto 0:d58274531d38 95 #define _USE_LFN 1
ishiyamayuto 0:d58274531d38 96 #define _MAX_LFN 255
ishiyamayuto 0:d58274531d38 97 /* The _USE_LFN option switches the LFN feature.
ishiyamayuto 0:d58274531d38 98 /
ishiyamayuto 0:d58274531d38 99 / 0: Disable LFN feature. _MAX_LFN has no effect.
ishiyamayuto 0:d58274531d38 100 / 1: Enable LFN with static working buffer on the BSS. Always NOT thread-safe.
ishiyamayuto 0:d58274531d38 101 / 2: Enable LFN with dynamic working buffer on the STACK.
ishiyamayuto 0:d58274531d38 102 / 3: Enable LFN with dynamic working buffer on the HEAP.
ishiyamayuto 0:d58274531d38 103 /
ishiyamayuto 0:d58274531d38 104 / When enable the LFN feature, Unicode handling functions (option/unicode.c) must
ishiyamayuto 0:d58274531d38 105 / be added to the project. The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes.
ishiyamayuto 0:d58274531d38 106 / When use stack for the working buffer, take care on stack overflow. When use heap
ishiyamayuto 0:d58274531d38 107 / memory for the working buffer, memory management functions, ff_memalloc() and
ishiyamayuto 0:d58274531d38 108 / ff_memfree(), must be added to the project. */
ishiyamayuto 0:d58274531d38 109
ishiyamayuto 0:d58274531d38 110
ishiyamayuto 0:d58274531d38 111 #define _LFN_UNICODE 0
ishiyamayuto 0:d58274531d38 112 /* This option switches character encoding on the API. (0:ANSI/OEM or 1:Unicode)
ishiyamayuto 0:d58274531d38 113 / To use Unicode string for the path name, enable LFN feature and set _LFN_UNICODE
ishiyamayuto 0:d58274531d38 114 / to 1. This option also affects behavior of string I/O functions. */
ishiyamayuto 0:d58274531d38 115
ishiyamayuto 0:d58274531d38 116
ishiyamayuto 0:d58274531d38 117 #define _STRF_ENCODE 3
ishiyamayuto 0:d58274531d38 118 /* When _LFN_UNICODE is 1, this option selects the character encoding on the file to
ishiyamayuto 0:d58274531d38 119 / be read/written via string I/O functions, f_gets(), f_putc(), f_puts and f_printf().
ishiyamayuto 0:d58274531d38 120 /
ishiyamayuto 0:d58274531d38 121 / 0: ANSI/OEM
ishiyamayuto 0:d58274531d38 122 / 1: UTF-16LE
ishiyamayuto 0:d58274531d38 123 / 2: UTF-16BE
ishiyamayuto 0:d58274531d38 124 / 3: UTF-8
ishiyamayuto 0:d58274531d38 125 /
ishiyamayuto 0:d58274531d38 126 / When _LFN_UNICODE is 0, this option has no effect. */
ishiyamayuto 0:d58274531d38 127
ishiyamayuto 0:d58274531d38 128
ishiyamayuto 0:d58274531d38 129 #define _FS_RPATH 0
ishiyamayuto 0:d58274531d38 130 /* This option configures relative path feature.
ishiyamayuto 0:d58274531d38 131 /
ishiyamayuto 0:d58274531d38 132 / 0: Disable relative path feature and remove related functions.
ishiyamayuto 0:d58274531d38 133 / 1: Enable relative path feature. f_chdir() and f_chdrive() are available.
ishiyamayuto 0:d58274531d38 134 / 2: f_getcwd() function is available in addition to 1.
ishiyamayuto 0:d58274531d38 135 /
ishiyamayuto 0:d58274531d38 136 / Note that directory items read via f_readdir() are affected by this option. */
ishiyamayuto 0:d58274531d38 137
ishiyamayuto 0:d58274531d38 138
ishiyamayuto 0:d58274531d38 139 /*---------------------------------------------------------------------------/
ishiyamayuto 0:d58274531d38 140 / Drive/Volume Configurations
ishiyamayuto 0:d58274531d38 141 /---------------------------------------------------------------------------*/
ishiyamayuto 0:d58274531d38 142
ishiyamayuto 0:d58274531d38 143 #define _VOLUMES 1
ishiyamayuto 0:d58274531d38 144 /* Number of volumes (logical drives) to be used. */
ishiyamayuto 0:d58274531d38 145
ishiyamayuto 0:d58274531d38 146
ishiyamayuto 0:d58274531d38 147 #define _STR_VOLUME_ID 0
ishiyamayuto 0:d58274531d38 148 #define _VOLUME_STRS "RAM","NAND","CF","SD1","SD2","USB1","USB2","USB3"
ishiyamayuto 0:d58274531d38 149 /* _STR_VOLUME_ID option switches string volume ID feature.
ishiyamayuto 0:d58274531d38 150 / When _STR_VOLUME_ID is set to 1, also pre-defined strings can be used as drive
ishiyamayuto 0:d58274531d38 151 / number in the path name. _VOLUME_STRS defines the drive ID strings for each
ishiyamayuto 0:d58274531d38 152 / logical drives. Number of items must be equal to _VOLUMES. Valid characters for
ishiyamayuto 0:d58274531d38 153 / the drive ID strings are: A-Z and 0-9. */
ishiyamayuto 0:d58274531d38 154
ishiyamayuto 0:d58274531d38 155
ishiyamayuto 0:d58274531d38 156 #define _MULTI_PARTITION 0
ishiyamayuto 0:d58274531d38 157 /* This option switches multi-partition feature. By default (0), each logical drive
ishiyamayuto 0:d58274531d38 158 / number is bound to the same physical drive number and only an FAT volume found on
ishiyamayuto 0:d58274531d38 159 / the physical drive will be mounted. When multi-partition feature is enabled (1),
ishiyamayuto 0:d58274531d38 160 / each logical drive number is bound to arbitrary physical drive and partition
ishiyamayuto 0:d58274531d38 161 / listed in the VolToPart[]. Also f_fdisk() funciton will be available. */
ishiyamayuto 0:d58274531d38 162
ishiyamayuto 0:d58274531d38 163
ishiyamayuto 0:d58274531d38 164 #define _MIN_SS 512
ishiyamayuto 0:d58274531d38 165 #define _MAX_SS 512
ishiyamayuto 0:d58274531d38 166 /* These options configure the range of sector size to be supported. (512, 1024,
ishiyamayuto 0:d58274531d38 167 / 2048 or 4096) Always set both 512 for most systems, all type of memory cards and
ishiyamayuto 0:d58274531d38 168 / harddisk. But a larger value may be required for on-board flash memory and some
ishiyamayuto 0:d58274531d38 169 / type of optical media. When _MAX_SS is larger than _MIN_SS, FatFs is configured
ishiyamayuto 0:d58274531d38 170 / to variable sector size and GET_SECTOR_SIZE command must be implemented to the
ishiyamayuto 0:d58274531d38 171 / disk_ioctl() function. */
ishiyamayuto 0:d58274531d38 172
ishiyamayuto 0:d58274531d38 173
ishiyamayuto 0:d58274531d38 174 #define _USE_TRIM 0
ishiyamayuto 0:d58274531d38 175 /* This option switches ATA-TRIM feature. (0:Disable or 1:Enable)
ishiyamayuto 0:d58274531d38 176 / To enable Trim feature, also CTRL_TRIM command should be implemented to the
ishiyamayuto 0:d58274531d38 177 / disk_ioctl() function. */
ishiyamayuto 0:d58274531d38 178
ishiyamayuto 0:d58274531d38 179
ishiyamayuto 0:d58274531d38 180 #define _FS_NOFSINFO 0
ishiyamayuto 0:d58274531d38 181 /* If you need to know correct free space on the FAT32 volume, set bit 0 of this
ishiyamayuto 0:d58274531d38 182 / option, and f_getfree() function at first time after volume mount will force
ishiyamayuto 0:d58274531d38 183 / a full FAT scan. Bit 1 controls the use of last allocated cluster number.
ishiyamayuto 0:d58274531d38 184 /
ishiyamayuto 0:d58274531d38 185 / bit0=0: Use free cluster count in the FSINFO if available.
ishiyamayuto 0:d58274531d38 186 / bit0=1: Do not trust free cluster count in the FSINFO.
ishiyamayuto 0:d58274531d38 187 / bit1=0: Use last allocated cluster number in the FSINFO if available.
ishiyamayuto 0:d58274531d38 188 / bit1=1: Do not trust last allocated cluster number in the FSINFO.
ishiyamayuto 0:d58274531d38 189 */
ishiyamayuto 0:d58274531d38 190
ishiyamayuto 0:d58274531d38 191
ishiyamayuto 0:d58274531d38 192
ishiyamayuto 0:d58274531d38 193 /*---------------------------------------------------------------------------/
ishiyamayuto 0:d58274531d38 194 / System Configurations
ishiyamayuto 0:d58274531d38 195 /---------------------------------------------------------------------------*/
ishiyamayuto 0:d58274531d38 196
ishiyamayuto 0:d58274531d38 197 #define _FS_TINY 0
ishiyamayuto 0:d58274531d38 198 /* This option switches tiny buffer configuration. (0:Normal or 1:Tiny)
ishiyamayuto 0:d58274531d38 199 / At the tiny configuration, size of the file object (FIL) is reduced _MAX_SS
ishiyamayuto 0:d58274531d38 200 / bytes. Instead of private sector buffer eliminated from the file object,
ishiyamayuto 0:d58274531d38 201 / common sector buffer in the file system object (FATFS) is used for the file
ishiyamayuto 0:d58274531d38 202 / data transfer. */
ishiyamayuto 0:d58274531d38 203
ishiyamayuto 0:d58274531d38 204
ishiyamayuto 0:d58274531d38 205 #define _FS_NORTC 0
ishiyamayuto 0:d58274531d38 206 #define _NORTC_MON 1
ishiyamayuto 0:d58274531d38 207 #define _NORTC_MDAY 1
ishiyamayuto 0:d58274531d38 208 #define _NORTC_YEAR 2015
ishiyamayuto 0:d58274531d38 209 /* The _FS_NORTC option switches timestamp feature. If the system does not have
ishiyamayuto 0:d58274531d38 210 / an RTC function or valid timestamp is not needed, set _FS_NORTC to 1 to disable
ishiyamayuto 0:d58274531d38 211 / the timestamp feature. All objects modified by FatFs will have a fixed timestamp
ishiyamayuto 0:d58274531d38 212 / defined by _NORTC_MON, _NORTC_MDAY and _NORTC_YEAR.
ishiyamayuto 0:d58274531d38 213 / When timestamp feature is enabled (_FS_NORTC == 0), get_fattime() function need
ishiyamayuto 0:d58274531d38 214 / to be added to the project to read current time form RTC. _NORTC_MON,
ishiyamayuto 0:d58274531d38 215 / _NORTC_MDAY and _NORTC_YEAR have no effect.
ishiyamayuto 0:d58274531d38 216 / These options have no effect at read-only configuration (_FS_READONLY == 1). */
ishiyamayuto 0:d58274531d38 217
ishiyamayuto 0:d58274531d38 218
ishiyamayuto 0:d58274531d38 219 #define _FS_LOCK 0
ishiyamayuto 0:d58274531d38 220 /* The _FS_LOCK option switches file lock feature to control duplicated file open
ishiyamayuto 0:d58274531d38 221 / and illegal operation to open objects. This option must be 0 when _FS_READONLY
ishiyamayuto 0:d58274531d38 222 / is 1.
ishiyamayuto 0:d58274531d38 223 /
ishiyamayuto 0:d58274531d38 224 / 0: Disable file lock feature. To avoid volume corruption, application program
ishiyamayuto 0:d58274531d38 225 / should avoid illegal open, remove and rename to the open objects.
ishiyamayuto 0:d58274531d38 226 / >0: Enable file lock feature. The value defines how many files/sub-directories
ishiyamayuto 0:d58274531d38 227 / can be opened simultaneously under file lock control. Note that the file
ishiyamayuto 0:d58274531d38 228 / lock feature is independent of re-entrancy. */
ishiyamayuto 0:d58274531d38 229
ishiyamayuto 0:d58274531d38 230
ishiyamayuto 0:d58274531d38 231 #define _FS_REENTRANT 0
ishiyamayuto 0:d58274531d38 232 #define _FS_TIMEOUT 1000
ishiyamayuto 0:d58274531d38 233 #define _SYNC_t HANDLE
ishiyamayuto 0:d58274531d38 234 /* The _FS_REENTRANT option switches the re-entrancy (thread safe) of the FatFs
ishiyamayuto 0:d58274531d38 235 / module itself. Note that regardless of this option, file access to different
ishiyamayuto 0:d58274531d38 236 / volume is always re-entrant and volume control functions, f_mount(), f_mkfs()
ishiyamayuto 0:d58274531d38 237 / and f_fdisk() function, are always not re-entrant. Only file/directory access
ishiyamayuto 0:d58274531d38 238 / to the same volume is under control of this feature.
ishiyamayuto 0:d58274531d38 239 /
ishiyamayuto 0:d58274531d38 240 / 0: Disable re-entrancy. _FS_TIMEOUT and _SYNC_t have no effect.
ishiyamayuto 0:d58274531d38 241 / 1: Enable re-entrancy. Also user provided synchronization handlers,
ishiyamayuto 0:d58274531d38 242 / ff_req_grant(), ff_rel_grant(), ff_del_syncobj() and ff_cre_syncobj()
ishiyamayuto 0:d58274531d38 243 / function, must be added to the project. Samples are available in
ishiyamayuto 0:d58274531d38 244 / option/syscall.c.
ishiyamayuto 0:d58274531d38 245 /
ishiyamayuto 0:d58274531d38 246 / The _FS_TIMEOUT defines timeout period in unit of time tick.
ishiyamayuto 0:d58274531d38 247 / The _SYNC_t defines O/S dependent sync object type. e.g. HANDLE, ID, OS_EVENT*,
ishiyamayuto 0:d58274531d38 248 / SemaphoreHandle_t and etc.. A header file for O/S definitions needs to be
ishiyamayuto 0:d58274531d38 249 / included somewhere in the scope of ff.c. */
ishiyamayuto 0:d58274531d38 250
ishiyamayuto 0:d58274531d38 251
ishiyamayuto 0:d58274531d38 252 #define _WORD_ACCESS 0
ishiyamayuto 0:d58274531d38 253 /* The _WORD_ACCESS option is an only platform dependent option. It defines
ishiyamayuto 0:d58274531d38 254 / which access method is used to the word data on the FAT volume.
ishiyamayuto 0:d58274531d38 255 /
ishiyamayuto 0:d58274531d38 256 / 0: Byte-by-byte access. Always compatible with all platforms.
ishiyamayuto 0:d58274531d38 257 / 1: Word access. Do not choose this unless under both the following conditions.
ishiyamayuto 0:d58274531d38 258 /
ishiyamayuto 0:d58274531d38 259 / * Address misaligned memory access is always allowed to ALL instructions.
ishiyamayuto 0:d58274531d38 260 / * Byte order on the memory is little-endian.
ishiyamayuto 0:d58274531d38 261 /
ishiyamayuto 0:d58274531d38 262 / If it is the case, _WORD_ACCESS can also be set to 1 to reduce code size.
ishiyamayuto 0:d58274531d38 263 / Following table shows allowable settings of some type of processors.
ishiyamayuto 0:d58274531d38 264 /
ishiyamayuto 0:d58274531d38 265 / ARM7TDMI 0 *2 ColdFire 0 *1 V850E 0 *2
ishiyamayuto 0:d58274531d38 266 / Cortex-M3 0 *3 Z80 0/1 V850ES 0/1
ishiyamayuto 0:d58274531d38 267 / Cortex-M0 0 *2 x86 0/1 TLCS-870 0/1
ishiyamayuto 0:d58274531d38 268 / AVR 0/1 RX600(LE) 0/1 TLCS-900 0/1
ishiyamayuto 0:d58274531d38 269 / AVR32 0 *1 RL78 0 *2 R32C 0 *2
ishiyamayuto 0:d58274531d38 270 / PIC18 0/1 SH-2 0 *1 M16C 0/1
ishiyamayuto 0:d58274531d38 271 / PIC24 0 *2 H8S 0 *1 MSP430 0 *2
ishiyamayuto 0:d58274531d38 272 / PIC32 0 *1 H8/300H 0 *1 8051 0/1
ishiyamayuto 0:d58274531d38 273 /
ishiyamayuto 0:d58274531d38 274 / *1:Big-endian.
ishiyamayuto 0:d58274531d38 275 / *2:Unaligned memory access is not supported.
ishiyamayuto 0:d58274531d38 276 / *3:Some compilers generate LDM/STM for mem_cpy function.
ishiyamayuto 0:d58274531d38 277 */
ishiyamayuto 0:d58274531d38 278
ishiyamayuto 0:d58274531d38 279 #define FLUSH_ON_NEW_CLUSTER 0 /* Sync the file on every new cluster */
ishiyamayuto 0:d58274531d38 280 #define FLUSH_ON_NEW_SECTOR 1 /* Sync the file on every new sector */
ishiyamayuto 0:d58274531d38 281 /* Only one of these two defines needs to be set to 1. If both are set to 0
ishiyamayuto 0:d58274531d38 282 the file is only sync when closed.
ishiyamayuto 0:d58274531d38 283 Clusters are group of sectors (eg: 8 sectors). Flushing on new cluster means
ishiyamayuto 0:d58274531d38 284 it would be less often than flushing on new sector. Sectors are generally
ishiyamayuto 0:d58274531d38 285 512 Bytes long. */