1 /*---------------------------------------------------------------------------/ 2 / FatFs - FAT file system module configuration file R0.09a (C)ChaN, 2012 3 /----------------------------------------------------------------------------/ 4 / 5 / CAUTION! Do not forget to make clean the project after any changes to 6 / the configuration options. 7 / 8 /----------------------------------------------------------------------------*/ 9 #ifndef _FFCONF 10 #define _FFCONF 4004 /* Revision ID */ 11 12 #define FFS_DBG 0 13 14 /*---------------------------------------------------------------------------/ 15 / Functions and Buffer Configurations 16 /----------------------------------------------------------------------------*/ 17 18 #define _FS_TINY 0 /* 0:Normal or 1:Tiny */ 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 0 /* 0:Read/Write or 1:Read only */ 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 to 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 1. 37 / 3: f_lseek is removed in addition to 2. */ 38 39 40 #define _USE_STRFUNC 0 /* 0:Disable or 1-2:Enable */ 41 /* To enable string functions, set _USE_STRFUNC to 1 or 2. */ 42 43 44 #define _USE_MKFS 1 /* 0:Disable or 1:Enable */ 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:Disable or 1:Enable */ 49 /* To enable f_forward function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */ 50 51 52 #define _USE_FASTSEEK 0 /* 0:Disable or 1:Enable */ 53 /* To enable fast seek feature, set _USE_FASTSEEK to 1. */ 54 55 56 57 /*---------------------------------------------------------------------------/ 58 / Locale and Namespace Configurations 59 /----------------------------------------------------------------------------*/ 60 61 #define _CODE_PAGE 858 62 /* The _CODE_PAGE specifies the OEM code page to be used on the target system. 63 / Incorrect setting of the code page can cause a file open failure. 64 / 65 / 932 - Japanese Shift-JIS (DBCS, OEM, Windows) 66 / 936 - Simplified Chinese GBK (DBCS, OEM, Windows) 67 / 949 - Korean (DBCS, OEM, Windows) 68 / 950 - Traditional Chinese Big5 (DBCS, OEM, Windows) 69 / 1250 - Central Europe (Windows) 70 / 1251 - Cyrillic (Windows) 71 / 1252 - Latin 1 (Windows) 72 / 1253 - Greek (Windows) 73 / 1254 - Turkish (Windows) 74 / 1255 - Hebrew (Windows) 75 / 1256 - Arabic (Windows) 76 / 1257 - Baltic (Windows) 77 / 1258 - Vietnam (OEM, Windows) 78 / 437 - U.S. (OEM) 79 / 720 - Arabic (OEM) 80 / 737 - Greek (OEM) 81 / 775 - Baltic (OEM) 82 / 850 - Multilingual Latin 1 (OEM) 83 / 858 - Multilingual Latin 1 + Euro (OEM) 84 / 852 - Latin 2 (OEM) 85 / 855 - Cyrillic (OEM) 86 / 866 - Russian (OEM) 87 / 857 - Turkish (OEM) 88 / 862 - Hebrew (OEM) 89 / 874 - Thai (OEM, Windows) 90 / 1 - ASCII only (Valid for non LFN cfg.) 91 */ 92 93 94 #define _USE_LFN 2 /* 0 to 3 */ 95 #define _MAX_LFN 255 /* Maximum LFN length to handle (12 to 255) */ 96 /* The _USE_LFN option switches the LFN support. 97 / 98 / 0: Disable LFN feature. _MAX_LFN and _LFN_UNICODE have no effect. 99 / 1: Enable LFN with static working buffer on the BSS. Always NOT reentrant. 100 / 2: Enable LFN with dynamic working buffer on the STACK. 101 / 3: Enable LFN with dynamic working buffer on the HEAP. 102 / 103 / The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. To enable LFN, 104 / Unicode handling functions ff_convert() and ff_wtoupper() must be added 105 / to the project. When enable to use heap, memory control functions 106 / ff_memalloc() and ff_memfree() must be added to the project. */ 107 108 109 #define _LFN_UNICODE 0 /* 0:ANSI/OEM or 1:Unicode */ 110 /* To switch the character code set on FatFs API to Unicode, 111 / enable LFN feature and set _LFN_UNICODE to 1. */ 112 113 114 #define _FS_RPATH 2 /* 0 to 2 */ 115 /* The _FS_RPATH option configures relative path feature. 116 / 117 / 0: Disable relative path feature and remove related functions. 118 / 1: Enable relative path. f_chdrive() and f_chdir() are available. 119 / 2: f_getcwd() is available in addition to 1. 120 / 121 / Note that output of the f_readdir fnction is affected by this option. */ 122 123 124 125 /*---------------------------------------------------------------------------/ 126 / Physical Drive Configurations 127 /----------------------------------------------------------------------------*/ 128 129 #define _VOLUMES 1 130 /* Number of volumes (logical drives) to be used. */ 131 132 133 #define _MAX_SS 512 134 /* 512, 1024, 2048 or 4096 */ 135 /* Maximum sector size to be handled. 136 / Always set 512 for memory card and hard disk but a larger value may be 137 / required for on-board flash memory, floppy disk and optical disk. 138 / When _MAX_SS is larger than 512, it configures FatFs to variable sector size 139 / and GET_SECTOR_SIZE command must be implememted to the disk_ioctl function. */ 140 141 142 #define _MULTI_PARTITION 0 /* 0:Single partition, 1/2:Enable multiple partition */ 143 /* When set to 0, each volume is bound to the same physical drive number and 144 / it can mount only first primaly partition. When it is set to 1, each volume 145 / is tied to the partitions listed in VolToPart[]. */ 146 147 148 #define _USE_ERASE 0 /* 0:Disable or 1:Enable */ 149 /* To enable sector erase feature, set _USE_ERASE to 1. CTRL_ERASE_SECTOR command 150 / should be added to the disk_ioctl functio. */ 151 152 153 154 /*---------------------------------------------------------------------------/ 155 / System Configurations 156 /----------------------------------------------------------------------------*/ 157 158 #define _WORD_ACCESS 0 /* 0 or 1 */ 159 /* Set 0 first and it is always compatible with all platforms. The _WORD_ACCESS 160 / option defines which access method is used to the word data on the FAT volume. 161 / 162 / 0: Byte-by-byte access. 163 / 1: Word access. Do not choose this unless following condition is met. 164 / 165 / When the byte order on the memory is big-endian or address miss-aligned word 166 / access results incorrect behavior, the _WORD_ACCESS must be set to 0. 167 / If it is not the case, the value can also be set to 1 to improve the 168 / performance and code size. 169 */ 170 171 172 /* A header file that defines sync object types on the O/S, such as 173 / windows.h, ucos_ii.h and semphr.h, must be included prior to ff.h. */ 174 175 #define _FS_REENTRANT 1 /* 0:Disable or 1:Enable */ 176 #define _FS_TIMEOUT 1000 /* Timeout period in unit of time ticks */ 177 #define _SYNC_t void* /* O/S dependent type of sync object. e.g. HANDLE, OS_EVENT*, ID and etc.. */ 178 179 /* The _FS_REENTRANT option switches the reentrancy (thread safe) of the FatFs module. 180 / 181 / 0: Disable reentrancy. _SYNC_t and _FS_TIMEOUT have no effect. 182 / 1: Enable reentrancy. Also user provided synchronization handlers, 183 / ff_req_grant, ff_rel_grant, ff_del_syncobj and ff_cre_syncobj 184 / function must be added to the project. */ 185 186 187 #define _FS_LOCK 0 /* 0:Disable or >=1:Enable */ 188 /* To enable file lock control feature, set _FS_LOCK to 1 or greater. 189 The value defines how many files can be opened simultaneously. */ 190 191 #define FLUSH_ON_NEW_CLUSTER 0 /* Sync the file on every new cluster */ 192 #define FLUSH_ON_NEW_SECTOR 1 /* Sync the file on every new sector */ 193 /* Only one of these two defines needs to be set to 1. If both are set to 0 194 the file is only sync when closed. 195 Clusters are group of sectors (eg: 8 sectors). Flushing on new cluster means 196 it would be less often than flushing on new sector. Sectors are generally 197 512 Bytes long. */ 198 199 #endif /* _FFCONFIG */ 200