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Add FatFS
author Matt Johnston <matt@ucc.asn.au>
date Tue, 08 May 2012 22:51:38 +0800
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2:ab0e30c4b344 3:888be1b234b6
1 /*---------------------------------------------------------------------------/
2 / FatFs - FAT file system module configuration file R0.09 (C)ChaN, 2011
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 6502 /* 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 0 /* 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 2 /* 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 0 /* 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 932
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 #define _VOLUMES 2
129 /* Number of volumes (logical drives) to be used. */
130
131
132 #define _MAX_SS 512 /* 512, 1024, 2048 or 4096 */
133 /* Maximum sector size to be handled.
134 / Always set 512 for memory card and hard disk but a larger value may be
135 / required for on-board flash memory, floppy disk and optical disk.
136 / When _MAX_SS is larger than 512, it configures FatFs to variable sector size
137 / and GET_SECTOR_SIZE command must be implememted to the disk_ioctl function. */
138
139
140 #define _MULTI_PARTITION 0 /* 0:Single partition, 1/2:Enable multiple partition */
141 /* When set to 0, each volume is bound to the same physical drive number and
142 / it can mount only first primaly partition. When it is set to 1, each volume
143 / is tied to the partitions listed in VolToPart[]. */
144
145
146 #define _USE_ERASE 0 /* 0:Disable or 1:Enable */
147 /* To enable sector erase feature, set _USE_ERASE to 1. CTRL_ERASE_SECTOR command
148 / should be added to the disk_ioctl functio. */
149
150
151
152 /*---------------------------------------------------------------------------/
153 / System Configurations
154 /----------------------------------------------------------------------------*/
155
156 #define _WORD_ACCESS 1 /* 0 or 1 */
157 /* Set 0 first and it is always compatible with all platforms. The _WORD_ACCESS
158 / option defines which access method is used to the word data on the FAT volume.
159 /
160 / 0: Byte-by-byte access.
161 / 1: Word access. Do not choose this unless following condition is met.
162 /
163 / When the byte order on the memory is big-endian or address miss-aligned word
164 / access results incorrect behavior, the _WORD_ACCESS must be set to 0.
165 / If it is not the case, the value can also be set to 1 to improve the
166 / performance and code size.
167 */
168
169
170 /* A header file that defines sync object types on the O/S, such as
171 / windows.h, ucos_ii.h and semphr.h, must be included prior to ff.h. */
172
173 #define _FS_REENTRANT 0 /* 0:Disable or 1:Enable */
174 #define _FS_TIMEOUT 1000 /* Timeout period in unit of time ticks */
175 #define _SYNC_t HANDLE /* O/S dependent type of sync object. e.g. HANDLE, OS_EVENT*, ID and etc.. */
176
177 /* The _FS_REENTRANT option switches the reentrancy (thread safe) of the FatFs module.
178 /
179 / 0: Disable reentrancy. _SYNC_t and _FS_TIMEOUT have no effect.
180 / 1: Enable reentrancy. Also user provided synchronization handlers,
181 / ff_req_grant, ff_rel_grant, ff_del_syncobj and ff_cre_syncobj
182 / function must be added to the project. */
183
184
185 #define _FS_SHARE 0 /* 0:Disable or >=1:Enable */
186 /* To enable file shareing feature, set _FS_SHARE to 1 or greater. The value
187 defines how many files can be opened simultaneously. */
188
189
190 #endif /* _FFCONFIG */