1 /*---------------------------------------------------------------------------/ 2 / Configurations of FatFs Module 3 /---------------------------------------------------------------------------*/ 4 5 #define FFCONF_DEF 5380 /* Revision ID */ 6 7 /*---------------------------------------------------------------------------/ 8 / Function Configurations 9 /---------------------------------------------------------------------------*/ 10 11 #define FF_FS_READONLY 0 12 /* This option switches read-only configuration. (0:Read/Write or 1:Read-only) 13 / Read-only configuration removes writing API functions, f_write(), f_sync(), 14 / f_unlink(), f_mkdir(), f_chmod(), f_rename(), f_truncate(), f_getfree() 15 / and optional writing functions as well. */ 16 17 18 #define FF_FS_MINIMIZE 0 19 /* This option defines minimization level to remove some basic API functions. 20 / 21 / 0: Basic functions are fully enabled. 22 / 1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_truncate() and f_rename() 23 / are removed. 24 / 2: f_opendir(), f_readdir() and f_closedir() are removed in addition to 1. 25 / 3: f_lseek() function is removed in addition to 2. */ 26 27 28 #define FF_USE_FIND 0 29 /* This option switches filtered directory read functions, f_findfirst() and 30 / f_findnext(). (0:Disable, 1:Enable 2:Enable with matching altname[] too) */ 31 32 33 #define FF_USE_MKFS 0 34 /* This option switches f_mkfs(). (0:Disable or 1:Enable) */ 35 36 37 #define FF_USE_FASTSEEK 0 38 /* This option switches fast seek feature. (0:Disable or 1:Enable) */ 39 40 41 #define FF_USE_EXPAND 0 42 /* This option switches f_expand(). (0:Disable or 1:Enable) */ 43 44 45 #define FF_USE_CHMOD 0 46 /* This option switches attribute control API functions, f_chmod() and f_utime(). 47 / (0:Disable or 1:Enable) Also FF_FS_READONLY needs to be 0 to enable this option. */ 48 49 50 #define FF_USE_LABEL 0 51 /* This option switches volume label API functions, f_getlabel() and f_setlabel(). 52 / (0:Disable or 1:Enable) */ 53 54 55 #define FF_USE_FORWARD 0 56 /* This option switches f_forward(). (0:Disable or 1:Enable) */ 57 58 59 #define FF_USE_STRFUNC 0 60 #define FF_PRINT_LLI 0 61 #define FF_PRINT_FLOAT 0 62 #define FF_STRF_ENCODE 3 63 /* FF_USE_STRFUNC switches the string API functions, f_gets(), f_putc(), f_puts() 64 / and f_printf(). 65 / 66 / 0: Disable. FF_PRINT_LLI, FF_PRINT_FLOAT and FF_STRF_ENCODE have no effect. 67 / 1: Enable without LF - CRLF conversion. 68 / 2: Enable with LF - CRLF conversion. 69 / 70 / FF_PRINT_LLI = 1 makes f_printf() support long long argument and FF_PRINT_FLOAT = 1/2 71 / makes f_printf() support floating point argument. These features want C99 or later. 72 / When FF_LFN_UNICODE >= 1 with LFN enabled, string API functions convert the character 73 / encoding in it. FF_STRF_ENCODE selects assumption of character encoding ON THE FILE 74 / to be read/written via those functions. 75 / 76 / 0: ANSI/OEM in current CP 77 / 1: Unicode in UTF-16LE 78 / 2: Unicode in UTF-16BE 79 / 3: Unicode in UTF-8 80 */ 81 82 83 /*---------------------------------------------------------------------------/ 84 / Locale and Namespace Configurations 85 /---------------------------------------------------------------------------*/ 86 87 #define FF_CODE_PAGE 932 88 /* This option specifies the OEM code page to be used on the target system. 89 / Incorrect code page setting can cause a file open failure. 90 / 91 / 437 - U.S. 92 / 720 - Arabic 93 / 737 - Greek 94 / 771 - KBL 95 / 775 - Baltic 96 / 850 - Latin 1 97 / 852 - Latin 2 98 / 855 - Cyrillic 99 / 857 - Turkish 100 / 860 - Portuguese 101 / 861 - Icelandic 102 / 862 - Hebrew 103 / 863 - Canadian French 104 / 864 - Arabic 105 / 865 - Nordic 106 / 866 - Russian 107 / 869 - Greek 2 108 / 932 - Japanese (DBCS) 109 / 936 - Simplified Chinese (DBCS) 110 / 949 - Korean (DBCS) 111 / 950 - Traditional Chinese (DBCS) 112 / 0 - Include all code pages above and configured by f_setcp() 113 */ 114 115 116 #define FF_USE_LFN 0 117 #define FF_MAX_LFN 255 118 /* The FF_USE_LFN switches the support for LFN (long file name). 119 / 120 / 0: Disable LFN. FF_MAX_LFN has no effect. 121 / 1: Enable LFN with static working buffer on the BSS. Always NOT thread-safe. 122 / 2: Enable LFN with dynamic working buffer on the STACK. 123 / 3: Enable LFN with dynamic working buffer on the HEAP. 124 / 125 / To enable the LFN, ffunicode.c needs to be added to the project. The LFN feature 126 / requiers certain internal working buffer occupies (FF_MAX_LFN + 1) * 2 bytes and 127 / additional (FF_MAX_LFN + 44) / 15 * 32 bytes when exFAT is enabled. 128 / The FF_MAX_LFN defines size of the working buffer in UTF-16 code unit and it can 129 / be in range of 12 to 255. It is recommended to be set 255 to fully support the LFN 130 / specification. 131 / When use stack for the working buffer, take care on stack overflow. When use heap 132 / memory for the working buffer, memory management functions, ff_memalloc() and 133 / ff_memfree() exemplified in ffsystem.c, need to be added to the project. */ 134 135 136 #define FF_LFN_UNICODE 0 137 /* This option switches the character encoding on the API when LFN is enabled. 138 / 139 / 0: ANSI/OEM in current CP (TCHAR = char) 140 / 1: Unicode in UTF-16 (TCHAR = WCHAR) 141 / 2: Unicode in UTF-8 (TCHAR = char) 142 / 3: Unicode in UTF-32 (TCHAR = DWORD) 143 / 144 / Also behavior of string I/O functions will be affected by this option. 145 / When LFN is not enabled, this option has no effect. */ 146 147 148 #define FF_LFN_BUF 255 149 #define FF_SFN_BUF 12 150 /* This set of options defines size of file name members in the FILINFO structure 151 / which is used to read out directory items. These values should be suffcient for 152 / the file names to read. The maximum possible length of the read file name depends 153 / on character encoding. When LFN is not enabled, these options have no effect. */ 154 155 156 #define FF_FS_RPATH 0 157 /* This option configures support for relative path. 158 / 159 / 0: Disable relative path and remove related API functions. 160 / 1: Enable relative path. f_chdir() and f_chdrive() are available. 161 / 2: f_getcwd() is available in addition to 1. 162 */ 163 164 165 /*---------------------------------------------------------------------------/ 166 / Drive/Volume Configurations 167 /---------------------------------------------------------------------------*/ 168 169 #define FF_VOLUMES 1 170 /* Number of volumes (logical drives) to be used. (1-10) */ 171 172 173 #define FF_STR_VOLUME_ID 0 174 #define FF_VOLUME_STRS "RAM","NAND","CF","SD","SD2","USB","USB2","USB3" 175 /* FF_STR_VOLUME_ID switches support for volume ID in arbitrary strings. 176 / When FF_STR_VOLUME_ID is set to 1 or 2, arbitrary strings can be used as drive 177 / number in the path name. FF_VOLUME_STRS defines the volume ID strings for each 178 / logical drive. Number of items must not be less than FF_VOLUMES. Valid 179 / characters for the volume ID strings are A-Z, a-z and 0-9, however, they are 180 / compared in case-insensitive. If FF_STR_VOLUME_ID >= 1 and FF_VOLUME_STRS is 181 / not defined, a user defined volume string table is needed as: 182 / 183 / const char* VolumeStr[FF_VOLUMES] = {"ram","flash","sd","usb",... 184 */ 185 186 187 #define FF_MULTI_PARTITION 0 188 /* This option switches support for multiple volumes on the physical drive. 189 / By default (0), each logical drive number is bound to the same physical drive 190 / number and only an FAT volume found on the physical drive will be mounted. 191 / When this feature is enabled (1), each logical drive number can be bound to 192 / arbitrary physical drive and partition listed in the VolToPart[]. Also f_fdisk() 193 / will be available. */ 194 195 196 #define FF_MIN_SS 512 197 #define FF_MAX_SS 512 198 /* This set of options configures the range of sector size to be supported. (512, 199 / 1024, 2048 or 4096) Always set both 512 for most systems, generic memory card and 200 / harddisk, but a larger value may be required for on-board flash memory and some 201 / type of optical media. When FF_MAX_SS is larger than FF_MIN_SS, FatFs is 202 / configured for variable sector size mode and disk_ioctl() needs to implement 203 / GET_SECTOR_SIZE command. */ 204 205 206 #define FF_LBA64 0 207 /* This option switches support for 64-bit LBA. (0:Disable or 1:Enable) 208 / To enable the 64-bit LBA, also exFAT needs to be enabled. (FF_FS_EXFAT == 1) */ 209 210 211 #define FF_MIN_GPT 0x10000000 212 /* Minimum number of sectors to switch GPT as partitioning format in f_mkfs() and 213 / f_fdisk(). 2^32 sectors maximum. This option has no effect when FF_LBA64 == 0. */ 214 215 216 #define FF_USE_TRIM 0 217 /* This option switches support for ATA-TRIM. (0:Disable or 1:Enable) 218 / To enable this feature, also CTRL_TRIM command should be implemented to 219 / the disk_ioctl(). */ 220 221 222 223 /*---------------------------------------------------------------------------/ 224 / System Configurations 225 /---------------------------------------------------------------------------*/ 226 227 #define FF_FS_TINY 0 228 /* This option switches tiny buffer configuration. (0:Normal or 1:Tiny) 229 / At the tiny configuration, size of file object (FIL) is shrinked FF_MAX_SS bytes. 230 / Instead of private sector buffer eliminated from the file object, common sector 231 / buffer in the filesystem object (FATFS) is used for the file data transfer. */ 232 233 234 #define FF_FS_EXFAT 0 235 /* This option switches support for exFAT filesystem. (0:Disable or 1:Enable) 236 / To enable exFAT, also LFN needs to be enabled. (FF_USE_LFN >= 1) 237 / Note that enabling exFAT discards ANSI C (C89) compatibility. */ 238 239 240 #define FF_FS_NORTC 0 241 #define FF_NORTC_MON 11 242 #define FF_NORTC_MDAY 1 243 #define FF_NORTC_YEAR 2024 244 /* The option FF_FS_NORTC switches timestamp feature. If the system does not have 245 / an RTC or valid timestamp is not needed, set FF_FS_NORTC = 1 to disable the 246 / timestamp feature. Every object modified by FatFs will have a fixed timestamp 247 / defined by FF_NORTC_MON, FF_NORTC_MDAY and FF_NORTC_YEAR in local time. 248 / To enable timestamp function (FF_FS_NORTC = 0), get_fattime() need to be added 249 / to the project to read current time form real-time clock. FF_NORTC_MON, 250 / FF_NORTC_MDAY and FF_NORTC_YEAR have no effect. 251 / These options have no effect in read-only configuration (FF_FS_READONLY = 1). */ 252 253 254 #define FF_FS_NOFSINFO 0 255 /* If you need to know correct free space on the FAT32 volume, set bit 0 of this 256 / option, and f_getfree() at the first time after volume mount will force 257 / a full FAT scan. Bit 1 controls the use of last allocated cluster number. 258 / 259 / bit0=0: Use free cluster count in the FSINFO if available. 260 / bit0=1: Do not trust free cluster count in the FSINFO. 261 / bit1=0: Use last allocated cluster number in the FSINFO if available. 262 / bit1=1: Do not trust last allocated cluster number in the FSINFO. 263 */ 264 265 266 #define FF_FS_LOCK 0 267 /* The option FF_FS_LOCK switches file lock function to control duplicated file open 268 / and illegal operation to open objects. This option must be 0 when FF_FS_READONLY 269 / is 1. 270 / 271 / 0: Disable file lock function. To avoid volume corruption, application program 272 / should avoid illegal open, remove and rename to the open objects. 273 / >0: Enable file lock function. The value defines how many files/sub-directories 274 / can be opened simultaneously under file lock control. Note that the file 275 / lock control is independent of re-entrancy. */ 276 277 278 #define FF_FS_REENTRANT 0 279 #define FF_FS_TIMEOUT 1000 280 /* The option FF_FS_REENTRANT switches the re-entrancy (thread safe) of the FatFs 281 / module itself. Note that regardless of this option, file access to different 282 / volume is always re-entrant and volume control functions, f_mount(), f_mkfs() 283 / and f_fdisk(), are always not re-entrant. Only file/directory access to 284 / the same volume is under control of this featuer. 285 / 286 / 0: Disable re-entrancy. FF_FS_TIMEOUT have no effect. 287 / 1: Enable re-entrancy. Also user provided synchronization handlers, 288 / ff_mutex_create(), ff_mutex_delete(), ff_mutex_take() and ff_mutex_give(), 289 / must be added to the project. Samples are available in ffsystem.c. 290 / 291 / The FF_FS_TIMEOUT defines timeout period in unit of O/S time tick. 292 */ 293 294 /* Zephyr specific configuration override */ 295 /* The ZEPHYR_CONFIG_OVERRIDE should be given header file name that will contain 296 / series of undefs and redefinitions of the FF_ identifiers from the ffconf.h 297 / it needs to override 298 */ 299 #ifdef ZEPHYR_CONFIG_OVERRIDE 300 #define FFCONF_STRINGIZE_AGAIN(x) #x 301 #define FFCONF_STRINGIZE(x) FFCONF_STRINGIZE_AGAIN(x) 302 #include FFCONF_STRINGIZE(ZEPHYR_CONFIG_OVERRIDE) 303 #undef FFCONF_STRINGIZE 304 #undef FFCONF_STRINGIZE_AGAIN 305 #endif 306 /* End of Zephyr specific configuration override */ 307 308 /*--- End of configuration options ---*/ 309
