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ffconf.h
00001 /*---------------------------------------------------------------------------/ 00002 / FatFs - FAT file system module configuration file R0.07e (C)ChaN, 2009 00003 /----------------------------------------------------------------------------/ 00004 / 00005 / CAUTION! Do not forget to make clean the project after any changes to 00006 / the configuration options. 00007 / 00008 /----------------------------------------------------------------------------*/ 00009 #ifndef _FFCONFIG 00010 #define _FFCONFIG 0x007E 00011 00012 00013 /*---------------------------------------------------------------------------/ 00014 / Function and Buffer Configurations 00015 /----------------------------------------------------------------------------*/ 00016 00017 #define _FS_TINY 0 /* 0 or 1 */ 00018 /* When _FS_TINY is set to 1, FatFs uses the sector buffer in the file system 00019 / object instead of the sector buffer in the individual file object for file 00020 / data transfer. This reduces memory consumption 512 bytes each file object. */ 00021 00022 00023 #define _FS_READONLY 0 /* 0 or 1 */ 00024 /* Setting _FS_READONLY to 1 defines read only configuration. This removes 00025 / writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename, 00026 / f_truncate and useless f_getfree. */ 00027 00028 00029 #define _FS_MINIMIZE 0 /* 0, 1, 2 or 3 */ 00030 /* The _FS_MINIMIZE option defines minimization level to remove some functions. 00031 / 00032 / 0: Full function. 00033 / 1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename 00034 / are removed. 00035 / 2: f_opendir and f_readdir are removed in addition to level 1. 00036 / 3: f_lseek is removed in addition to level 2. */ 00037 00038 00039 #define _USE_STRFUNC 1 /* 0, 1 or 2 */ 00040 /* To enable string functions, set _USE_STRFUNC to 1 or 2. */ 00041 00042 00043 #define _USE_MKFS 0 /* 0 or 1 */ 00044 /* To enable f_mkfs function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */ 00045 00046 00047 #define _USE_FORWARD 0 /* 0 or 1 */ 00048 /* To enable f_forward function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */ 00049 00050 00051 00052 /*---------------------------------------------------------------------------/ 00053 / Locale and Namespace Configurations 00054 /----------------------------------------------------------------------------*/ 00055 00056 #define _CODE_PAGE 437 00057 /* The _CODE_PAGE specifies the OEM code page to be used on the target system. 00058 / Incorrect setting of the code page can cause a file open failure. 00059 / 00060 / 932 - Japanese Shift-JIS (DBCS, OEM, Windows) 00061 / 936 - Simplified Chinese GBK (DBCS, OEM, Windows) 00062 / 949 - Korean (DBCS, OEM, Windows) 00063 / 950 - Traditional Chinese Big5 (DBCS, OEM, Windows) 00064 / 1250 - Central Europe (Windows) 00065 / 1251 - Cyrillic (Windows) 00066 / 1252 - Latin 1 (Windows) 00067 / 1253 - Greek (Windows) 00068 / 1254 - Turkish (Windows) 00069 / 1255 - Hebrew (Windows) 00070 / 1256 - Arabic (Windows) 00071 / 1257 - Baltic (Windows) 00072 / 1258 - Vietnam (OEM, Windows) 00073 / 437 - U.S. (OEM) 00074 / 720 - Arabic (OEM) 00075 / 737 - Greek (OEM) 00076 / 775 - Baltic (OEM) 00077 / 850 - Multilingual Latin 1 (OEM) 00078 / 858 - Multilingual Latin 1 + Euro (OEM) 00079 / 852 - Latin 2 (OEM) 00080 / 855 - Cyrillic (OEM) 00081 / 866 - Russian (OEM) 00082 / 857 - Turkish (OEM) 00083 / 862 - Hebrew (OEM) 00084 / 874 - Thai (OEM, Windows) 00085 / 1 - ASCII only (Valid for non LFN cfg.) 00086 */ 00087 00088 00089 #define _USE_LFN 1 /* 0, 1 or 2 */ 00090 #define _MAX_LFN 255 /* Maximum LFN length to handle (12 to 255) */ 00091 /* The _USE_LFN option switches the LFN support. 00092 / 00093 / 0: Disable LFN. _MAX_LFN and _LFN_UNICODE have no effect. 00094 / 1: Enable LFN with static working buffer on the bss. NOT REENTRANT. 00095 / 2: Enable LFN with dynamic working buffer on the STACK. 00096 / 00097 / The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. When enable LFN, 00098 / two Unicode handling functions ff_convert() and ff_wtoupper() must be added 00099 / to the project. */ 00100 00101 00102 #define _LFN_UNICODE 0 /* 0 or 1 */ 00103 /* To switch the character code set on FatFs API to Unicode, 00104 / enable LFN feature and set _LFN_UNICODE to 1. 00105 */ 00106 00107 00108 #define _FS_RPATH 0 /* 0 or 1 */ 00109 /* When _FS_RPATH is set to 1, relative path feature is enabled and f_chdir, 00110 / f_chdrive function are available. 00111 / Note that output of the f_readdir fnction is affected by this option. */ 00112 00113 00114 00115 /*---------------------------------------------------------------------------/ 00116 / Physical Drive Configurations 00117 /----------------------------------------------------------------------------*/ 00118 00119 #define _DRIVES 1 00120 /* Number of volumes (logical drives) to be used. */ 00121 00122 00123 #define _MAX_SS 1024 /* 512, 1024, 2048 or 4096 */ 00124 /* Maximum sector size to be handled. 00125 / Always set 512 for memory card and hard disk but a larger value may be 00126 / required for floppy disk (512/1024) and optical disk (512/2048). 00127 / When _MAX_SS is larger than 512, GET_SECTOR_SIZE command must be implememted 00128 / to the disk_ioctl function. */ 00129 00130 00131 #define _MULTI_PARTITION 0 /* 0 or 1 */ 00132 /* When _MULTI_PARTITION is set to 0, each volume is bound to the same physical 00133 / drive number and can mount only first primaly partition. When it is set to 1, 00134 / each volume is tied to the partitions listed in Drives[]. */ 00135 00136 00137 00138 /*---------------------------------------------------------------------------/ 00139 / System Configurations 00140 /----------------------------------------------------------------------------*/ 00141 00142 #define _WORD_ACCESS 0 /* 0 or 1 */ 00143 /* The _WORD_ACCESS option defines which access method is used to the word 00144 / data on the FAT volume. 00145 / 00146 / 0: Byte-by-byte access. Always compatible with all platforms. 00147 / 1: Word access. Do not choose this unless following condition is met. 00148 / 00149 / When the byte order on the memory is big-endian or address miss-aligned 00150 / word access results incorrect behavior, the _WORD_ACCESS must be set to 0. 00151 / If it is not the case, the value can also be set to 1 to improve the 00152 / performance and code size. */ 00153 00154 00155 #define _FS_REENTRANT 0 /* 0 or 1 */ 00156 #define _FS_TIMEOUT 1000 /* Timeout period in unit of time ticks */ 00157 #define _SYNC_t HANDLE /* O/S dependent type of sync object. e.g. HANDLE, OS_EVENT*, ID and etc.. */ 00158 /* The _FS_REENTRANT option switches the reentrancy of the FatFs module. 00159 / 00160 / 0: Disable reentrancy. _SYNC_t and _FS_TIMEOUT have no effect. 00161 / 1: Enable reentrancy. Also user provided synchronization handlers, 00162 / ff_req_grant, ff_rel_grant, ff_del_syncobj and ff_cre_syncobj 00163 / function must be added to the project. */ 00164 00165 00166 #endif /* _FFCONFIG */
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