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ffconf.h
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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 82786 /* Revision ID */
11 
12 
13 /*---------------------------------------------------------------------------/
14 / Functions and Buffer Configurations
15 /----------------------------------------------------------------------------*/
16 
17 #define _FS_TINY 1 /* 0:Normal or 1:Tiny */
18 /* When _FS_TINY is set to 1, FatFs uses the sector buffer in the file system
19 / object instead of the sector buffer in the individual file object for file
20 / data transfer. This reduces memory consumption 512 bytes each file object. */
21 
22 
23 #define _FS_READONLY 1 /* 0:Read/Write or 1:Read only */
24 /* Setting _FS_READONLY to 1 defines read only configuration. This removes
25 / writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename,
26 / f_truncate and useless f_getfree. */
27 
28 
29 #define _FS_MINIMIZE 3 /* 0 to 3 */
30 /* The _FS_MINIMIZE option defines minimization level to remove some functions.
31 /
32 / 0: Full function.
33 / 1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename
34 / are removed.
35 / 2: f_opendir and f_readdir are removed in addition to 1.
36 / 3: f_lseek is removed in addition to 2. */
37 
38 
39 #define _USE_STRFUNC 0 /* 0:Disable or 1-2:Enable */
40 /* To enable string functions, set _USE_STRFUNC to 1 or 2. */
41 
42 
43 #define _USE_MKFS (1&&(!_FS_READONLY)) /* 0:Disable or 1:Enable */
44 /* To enable f_mkfs function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */
45 
46 
47 #define _USE_FORWARD 0 /* 0:Disable or 1:Enable */
48 /* To enable f_forward function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */
49 
50 
51 #define _USE_FASTSEEK 0 /* 0:Disable or 1:Enable */
52 /* To enable fast seek feature, set _USE_FASTSEEK to 1. */
53 
54 
55 
56 /*---------------------------------------------------------------------------/
57 / Locale and Namespace Configurations
58 /----------------------------------------------------------------------------*/
59 
60 #define _CODE_PAGE 1
61 /* The _CODE_PAGE specifies the OEM code page to be used on the target system.
62 / Incorrect setting of the code page can cause a file open failure.
63 /
64 / 932 - Japanese Shift-JIS (DBCS, OEM, Windows)
65 / 936 - Simplified Chinese GBK (DBCS, OEM, Windows)
66 / 949 - Korean (DBCS, OEM, Windows)
67 / 950 - Traditional Chinese Big5 (DBCS, OEM, Windows)
68 / 1250 - Central Europe (Windows)
69 / 1251 - Cyrillic (Windows)
70 / 1252 - Latin 1 (Windows)
71 / 1253 - Greek (Windows)
72 / 1254 - Turkish (Windows)
73 / 1255 - Hebrew (Windows)
74 / 1256 - Arabic (Windows)
75 / 1257 - Baltic (Windows)
76 / 1258 - Vietnam (OEM, Windows)
77 / 437 - U.S. (OEM)
78 / 720 - Arabic (OEM)
79 / 737 - Greek (OEM)
80 / 775 - Baltic (OEM)
81 / 850 - Multilingual Latin 1 (OEM)
82 / 858 - Multilingual Latin 1 + Euro (OEM)
83 / 852 - Latin 2 (OEM)
84 / 855 - Cyrillic (OEM)
85 / 866 - Russian (OEM)
86 / 857 - Turkish (OEM)
87 / 862 - Hebrew (OEM)
88 / 874 - Thai (OEM, Windows)
89 / 1 - ASCII only (Valid for non LFN cfg.)
90 */
91 
92 
93 #define _USE_LFN 0 /* 0 to 3 */
94 #define _MAX_LFN 255 /* Maximum LFN length to handle (12 to 255) */
95 /* The _USE_LFN option switches the LFN support.
96 /
97 / 0: Disable LFN feature. _MAX_LFN and _LFN_UNICODE have no effect.
98 / 1: Enable LFN with static working buffer on the BSS. Always NOT reentrant.
99 / 2: Enable LFN with dynamic working buffer on the STACK.
100 / 3: Enable LFN with dynamic working buffer on the HEAP.
101 /
102 / The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. To enable LFN,
103 / Unicode handling functions ff_convert() and ff_wtoupper() must be added
104 / to the project. When enable to use heap, memory control functions
105 / ff_memalloc() and ff_memfree() must be added to the project. */
106 
107 
108 #define _LFN_UNICODE 0 /* 0:ANSI/OEM or 1:Unicode */
109 /* To switch the character code set on FatFs API to Unicode,
110 / enable LFN feature and set _LFN_UNICODE to 1. */
111 
112 
113 #define _FS_RPATH 0 /* 0 to 2 */
114 /* The _FS_RPATH option configures relative path feature.
115 /
116 / 0: Disable relative path feature and remove related functions.
117 / 1: Enable relative path. f_chdrive() and f_chdir() are available.
118 / 2: f_getcwd() is available in addition to 1.
119 /
120 / Note that output of the f_readdir fnction is affected by this option. */
121 
122 
123 
124 /*---------------------------------------------------------------------------/
125 / Physical Drive Configurations
126 /----------------------------------------------------------------------------*/
127 
128 #if WITH_USB_MS
129 #define _VOLUMES 2
130 /* Number of volumes (logical drives) to be used. */
131 #else
132 #define _VOLUMES 1
133 #endif
134 
135 
136 #define _MAX_SS 512 /* 512, 1024, 2048 or 4096 */
137 /* Maximum sector size to be handled.
138 / Always set 512 for memory card and hard disk but a larger value may be
139 / required for on-board flash memory, floppy disk and optical disk.
140 / When _MAX_SS is larger than 512, it configures FatFs to variable sector size
141 / and GET_SECTOR_SIZE command must be implememted to the disk_ioctl function. */
142 
143 
144 #define _MULTI_PARTITION 0 /* 0:Single partition, 1/2:Enable multiple partition */
145 /* When set to 0, each volume is bound to the same physical drive number and
146 / it can mount only first primaly partition. When it is set to 1, each volume
147 / is tied to the partitions listed in VolToPart[]. */
148 
149 
150 #define _USE_ERASE 0 /* 0:Disable or 1:Enable */
151 /* To enable sector erase feature, set _USE_ERASE to 1. CTRL_ERASE_SECTOR command
152 / should be added to the disk_ioctl functio. */
153 
154 
155 
156 /*---------------------------------------------------------------------------/
157 / System Configurations
158 /----------------------------------------------------------------------------*/
159 
160 #define _WORD_ACCESS 0 /* 0 or 1 */
161 /* Set 0 first and it is always compatible with all platforms. The _WORD_ACCESS
162 / option defines which access method is used to the word data on the FAT volume.
163 /
164 / 0: Byte-by-byte access.
165 / 1: Word access. Do not choose this unless following condition is met.
166 /
167 / When the byte order on the memory is big-endian or address miss-aligned word
168 / access results incorrect behavior, the _WORD_ACCESS must be set to 0.
169 / If it is not the case, the value can also be set to 1 to improve the
170 / performance and code size.
171 */
172 
173 
174 /* A header file that defines sync object types on the O/S, such as
175 / windows.h, ucos_ii.h and semphr.h, must be included prior to ff.h. */
176 
177 #define _FS_REENTRANT 0 /* 0:Disable or 1:Enable */
178 #define _FS_TIMEOUT 1000 /* Timeout period in unit of time ticks */
179 #define _SYNC_t HANDLE /* O/S dependent type of sync object. e.g. HANDLE, OS_EVENT*, ID and etc.. */
180 
181 /* The _FS_REENTRANT option switches the reentrancy (thread safe) of the FatFs module.
182 /
183 / 0: Disable reentrancy. _SYNC_t and _FS_TIMEOUT have no effect.
184 / 1: Enable reentrancy. Also user provided synchronization handlers,
185 / ff_req_grant, ff_rel_grant, ff_del_syncobj and ff_cre_syncobj
186 / function must be added to the project. */
187 
188 
189 #define _FS_LOCK 0 /* 0:Disable or >=1:Enable */
190 /* To enable file lock control feature, set _FS_LOCK to 1 or greater.
191  The value defines how many files can be opened simultaneously. */
192 
193 
194 #endif /* _FFCONFIG */