Rev 1234 Rev 1858
1 /*--------------------------------------------------------------------------/ 1 /*--------------------------------------------------------------------------/
2 / Tiny-FatFs - FAT file system module include file R0.04b (C)ChaN, 2007 2 / Tiny-FatFs - FAT file system module include file R0.04b (C)ChaN, 2007
3 /---------------------------------------------------------------------------/ 3 /---------------------------------------------------------------------------/
4 / FatFs module is an experimenal project to implement FAT file system to 4 / FatFs module is an experimenal project to implement FAT file system to
5 / cheap microcontrollers. This is a free software and is opened for education, 5 / cheap microcontrollers. This is a free software and is opened for education,
6 / research and development under license policy of following trems. 6 / research and development under license policy of following trems.
7 / 7 /
8 / Copyright (C) 2007, ChaN, all right reserved. 8 / Copyright (C) 2007, ChaN, all right reserved.
9 / 9 /
10 / * The FatFs module is a free software and there is no warranty. 10 / * The FatFs module is a free software and there is no warranty.
11 / * You can use, modify and/or redistribute it for personal, non-profit or 11 / * You can use, modify and/or redistribute it for personal, non-profit or
12 / profit use without any restriction under your responsibility. 12 / profit use without any restriction under your responsibility.
13 / * Redistributions of source code must retain the above copyright notice. 13 / * Redistributions of source code must retain the above copyright notice.
14 / 14 /
15 /---------------------------------------------------------------------------*/ 15 /---------------------------------------------------------------------------*/
16   16  
17 #ifndef _FATFS 17 #ifndef _FATFS
18   18  
19 #define _MCU_ENDIAN 1 19 #define _MCU_ENDIAN 1
20 /* The _MCU_ENDIAN defines which access method is used to the FAT structure. 20 /* The _MCU_ENDIAN defines which access method is used to the FAT structure.
21 / 1: Enable word access. 21 / 1: Enable word access.
22 / 2: Disable word access and use byte-by-byte access instead. 22 / 2: Disable word access and use byte-by-byte access instead.
23 / When the architectural byte order of the MCU is big-endian and/or address 23 / When the architectural byte order of the MCU is big-endian and/or address
24 / miss-aligned access is prohibited, the _MCU_ENDIAN must be set to 2. 24 / miss-aligned access is prohibited, the _MCU_ENDIAN must be set to 2.
25 / If it is not the case, it can be set to 1 for good code efficiency. */ 25 / If it is not the case, it can be set to 1 for good code efficiency. */
26   26  
27 #define _FS_READONLY 0 27 #define _FS_READONLY 0
28 /* Setting _FS_READONLY to 1 defines read only configuration. This removes 28 /* Setting _FS_READONLY to 1 defines read only configuration. This removes
29 / writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename 29 / writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename
30 / and useless f_getfree. */ 30 / and useless f_getfree. */
31   31  
32 #define _FS_MINIMIZE 2 32 #define _FS_MINIMIZE 2
33 /* The _FS_MINIMIZE option defines minimization level to remove some functions. 33 /* The _FS_MINIMIZE option defines minimization level to remove some functions.
34 / 0: Full function. 34 / 0: Full function.
35 / 1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod and f_rename are removed. 35 / 1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod and f_rename are removed.
36 / 2: f_opendir and f_readdir are removed in addition to level 1. 36 / 2: f_opendir and f_readdir are removed in addition to level 1.
37 / 3: f_lseek is removed in addition to level 2. */ 37 / 3: f_lseek is removed in addition to level 2. */
38   38  
39 #define _FAT32 0 39 #define _FAT32 0
40 /* To support FAT32 in addition of FAT12/16, set _FAT32 to 1. */ 40 /* To support FAT32 in addition of FAT12/16, set _FAT32 to 1. */
41   41  
42 #define _USE_FSINFO 0 42 #define _USE_FSINFO 0
43 /* To support FSInfo on FAT32 volume, set _USE_FSINFO to 1. */ 43 /* To support FSInfo on FAT32 volume, set _USE_FSINFO to 1. */
44   44  
45 #define _USE_SJIS 0 45 #define _USE_SJIS 0
46 /* When _USE_SJIS is set to 1, Shift-JIS code transparency is enabled, otherwise 46 /* When _USE_SJIS is set to 1, Shift-JIS code transparency is enabled, otherwise
47 / only US-ASCII(7bit) code can be accepted as file/directory name. */ 47 / only US-ASCII(7bit) code can be accepted as file/directory name. */
48   48  
49 #define _USE_NTFLAG 1 49 #define _USE_NTFLAG 1
50 /* When _USE_NTFLAG is set to 1, upper/lower case of the file name is preserved. */ 50 /* When _USE_NTFLAG is set to 1, upper/lower case of the file name is preserved. */
51   51  
52   52  
53 #include "integer.h" 53 #include "integer.h"
54   54  
55   55  
56 /* Type definition for cluster number */ 56 /* Type definition for cluster number */
57 #if _FAT32 57 #if _FAT32
58 typedef DWORD CLUST; 58 typedef DWORD CLUST;
59 #else 59 #else
60 typedef WORD CLUST; 60 typedef WORD CLUST;
61 #undef _USE_FSINFO 61 #undef _USE_FSINFO
62 #define _USE_FSINFO 0 62 #define _USE_FSINFO 0
63 #endif 63 #endif
64   64  
65   65  
66 /* File system object structure */ 66 /* File system object structure */
67 typedef struct _FATFS { 67 typedef struct _FATFS {
68 WORD id; /* File system mount ID */ 68 WORD id; /* File system mount ID */
69 WORD n_rootdir; /* Number of root directory entries */ 69 WORD n_rootdir; /* Number of root directory entries */
70 DWORD winsect; /* Current sector appearing in the win[] */ 70 DWORD winsect; /* Current sector appearing in the win[] */
71 DWORD fatbase; /* FAT start sector */ 71 DWORD fatbase; /* FAT start sector */
72 DWORD dirbase; /* Root directory start sector */ 72 DWORD dirbase; /* Root directory start sector */
73 DWORD database; /* Data start sector */ 73 DWORD database; /* Data start sector */
74 CLUST sects_fat; /* Sectors per fat */ 74 CLUST sects_fat; /* Sectors per fat */
75 CLUST max_clust; /* Maximum cluster# + 1 */ 75 CLUST max_clust; /* Maximum cluster# + 1 */
76 #if !_FS_READONLY 76 #if !_FS_READONLY
77 CLUST last_clust; /* Last allocated cluster */ 77 CLUST last_clust; /* Last allocated cluster */
78 CLUST free_clust; /* Number of free clusters */ 78 CLUST free_clust; /* Number of free clusters */
79 #if _USE_FSINFO 79 #if _USE_FSINFO
80 DWORD fsi_sector; /* fsinfo sector */ 80 DWORD fsi_sector; /* fsinfo sector */
81 BYTE fsi_flag; /* fsinfo dirty flag (1:must be written back) */ 81 BYTE fsi_flag; /* fsinfo dirty flag (1:must be written back) */
82 BYTE pad1; 82 BYTE pad1;
83 #endif 83 #endif
84 #endif 84 #endif
85 BYTE fs_type; /* FAT sub type */ 85 BYTE fs_type; /* FAT sub type */
86 BYTE sects_clust; /* Sectors per cluster */ 86 BYTE sects_clust; /* Sectors per cluster */
87 BYTE n_fats; /* Number of FAT copies */ 87 BYTE n_fats; /* Number of FAT copies */
88 BYTE winflag; /* win[] dirty flag (1:must be written back) */ 88 BYTE winflag; /* win[] dirty flag (1:must be written back) */
89 BYTE win[512]; /* Disk access window for Directory/FAT/File */ 89 BYTE win[512]; /* Disk access window for Directory/FAT/File */
90 } FATFS; 90 } FATFS;
91   91  
92   92  
93 /* Directory object structure */ 93 /* Directory object structure */
94 typedef struct _DIR { 94 typedef struct _DIR {
95 WORD id; /* Owner file system mount ID */ 95 WORD id; /* Owner file system mount ID */
96 WORD index; /* Current index */ 96 WORD index; /* Current index */
97 FATFS* fs; /* Pointer to the owner file system object */ 97 FATFS* fs; /* Pointer to the owner file system object */
98 CLUST sclust; /* Start cluster */ 98 CLUST sclust; /* Start cluster */
99 CLUST clust; /* Current cluster */ 99 CLUST clust; /* Current cluster */
100 DWORD sect; /* Current sector */ 100 DWORD sect; /* Current sector */
101 } DIR; 101 } DIR;
102   102  
103   103  
104 /* File object structure */ 104 /* File object structure */
105 typedef struct _FIL { 105 typedef struct _FIL {
106 WORD id; /* Owner file system mount ID */ 106 WORD id; /* Owner file system mount ID */
107 BYTE flag; /* File status flags */ 107 BYTE flag; /* File status flags */
108 BYTE sect_clust; /* Left sectors in cluster */ 108 BYTE sect_clust; /* Left sectors in cluster */
109 FATFS* fs; /* Pointer to owner file system */ 109 FATFS* fs; /* Pointer to owner file system */
110 DWORD fptr; /* File R/W pointer */ 110 DWORD fptr; /* File R/W pointer */
111 DWORD fsize; /* File size */ 111 DWORD fsize; /* File size */
112 CLUST org_clust; /* File start cluster */ 112 CLUST org_clust; /* File start cluster */
113 CLUST curr_clust; /* Current cluster */ 113 CLUST curr_clust; /* Current cluster */
114 DWORD curr_sect; /* Current sector */ 114 DWORD curr_sect; /* Current sector */
115 #if !_FS_READONLY 115 #if !_FS_READONLY
116 DWORD dir_sect; /* Sector containing the directory entry */ 116 DWORD dir_sect; /* Sector containing the directory entry */
117 BYTE* dir_ptr; /* Ponter to the directory entry in the window */ 117 BYTE* dir_ptr; /* Ponter to the directory entry in the window */
118 #endif 118 #endif
119 } FIL; 119 } FIL;
120   120  
121   121  
122 /* File status structure */ 122 /* File status structure */
123 typedef struct _FILINFO { 123 typedef struct _FILINFO {
124 DWORD fsize; /* Size */ 124 DWORD fsize; /* Size */
125 WORD fdate; /* Date */ 125 WORD fdate; /* Date */
126 WORD ftime; /* Time */ 126 WORD ftime; /* Time */
127 BYTE fattrib; /* Attribute */ 127 BYTE fattrib; /* Attribute */
128 char fname[8+1+3+1]; /* Name (8.3 format) */ 128 char fname[8+1+3+1]; /* Name (8.3 format) */
129 } FILINFO; 129 } FILINFO;
130   130  
131   131  
132 /* File function return code (FRESULT) */ 132 /* File function return code (FRESULT) */
133   133  
134 typedef enum { 134 typedef enum {
135 FR_OK = 0, /* 0 */ 135 FR_OK = 0, /* 0 */
136 FR_NOT_READY, /* 1 */ 136 FR_NOT_READY, /* 1 */
137 FR_NO_FILE, /* 2 */ 137 FR_NO_FILE, /* 2 */
138 FR_NO_PATH, /* 3 */ 138 FR_NO_PATH, /* 3 */
139 FR_INVALID_NAME, /* 4 */ 139 FR_INVALID_NAME, /* 4 */
140 FR_INVALID_DRIVE, /* 5 */ 140 FR_INVALID_DRIVE, /* 5 */
141 FR_DENIED, /* 6 */ 141 FR_DENIED, /* 6 */
142 FR_EXIST, /* 7 */ 142 FR_EXIST, /* 7 */
143 FR_RW_ERROR, /* 8 */ 143 FR_RW_ERROR, /* 8 */
144 FR_WRITE_PROTECTED, /* 9 */ 144 FR_WRITE_PROTECTED, /* 9 */
145 FR_NOT_ENABLED, /* 10 */ 145 FR_NOT_ENABLED, /* 10 */
146 FR_NO_FILESYSTEM, /* 11 */ 146 FR_NO_FILESYSTEM, /* 11 */
147 FR_INVALID_OBJECT /* 12 */ 147 FR_INVALID_OBJECT /* 12 */
148 } FRESULT; 148 } FRESULT;
149   149  
150   150  
151   151  
152 /*-----------------------------------------------------*/ 152 /*-----------------------------------------------------*/
153 /* FatFs module application interface */ 153 /* FatFs module application interface */
154   154  
155 FRESULT f_mount (BYTE, FATFS*); /* Mount/Unmount a logical drive */ 155 FRESULT f_mount (BYTE, FATFS*); /* Mount/Unmount a logical drive */
156 FRESULT f_open (FIL*, const char*, BYTE); /* Open or create a file */ 156 FRESULT f_open (FIL*, const char*, BYTE); /* Open or create a file */
157 FRESULT f_read (FIL*, void*, WORD, WORD*); /* Read data from a file */ 157 FRESULT f_read (FIL*, void*, WORD, WORD*); /* Read data from a file */
158 FRESULT f_write (FIL*, const void*, WORD, WORD*); /* Write data to a file */ 158 FRESULT f_write (FIL*, const void*, WORD, WORD*); /* Write data to a file */
159 FRESULT f_lseek (FIL*, DWORD); /* Move file pointer of a file object */ 159 FRESULT f_lseek (FIL*, DWORD); /* Move file pointer of a file object */
160 FRESULT f_close (FIL*); /* Close an open file object */ 160 FRESULT f_close (FIL*); /* Close an open file object */
161 FRESULT f_opendir (DIR*, const char*); /* Open an existing directory */ 161 FRESULT f_opendir (DIR*, const char*); /* Open an existing directory */
162 FRESULT f_readdir (DIR*, FILINFO*); /* Read a directory item */ 162 FRESULT f_readdir (DIR*, FILINFO*); /* Read a directory item */
163 FRESULT f_stat (const char*, FILINFO*); /* Get file status */ 163 FRESULT f_stat (const char*, FILINFO*); /* Get file status */
164 FRESULT f_getfree (const char*, DWORD*, FATFS**); /* Get number of free clusters on the drive */ 164 FRESULT f_getfree (const char*, DWORD*, FATFS**); /* Get number of free clusters on the drive */
165 FRESULT f_sync (FIL*); /* Flush cached data of a writing file */ 165 FRESULT f_sync (FIL*); /* Flush cached data of a writing file */
166 FRESULT f_unlink (const char*); /* Delete an existing file or directory */ 166 FRESULT f_unlink (const char*); /* Delete an existing file or directory */
167 FRESULT f_mkdir (const char*); /* Create a new directory */ 167 FRESULT f_mkdir (const char*); /* Create a new directory */
168 FRESULT f_chmod (const char*, BYTE, BYTE); /* Change file/dir attriburte */ 168 FRESULT f_chmod (const char*, BYTE, BYTE); /* Change file/dir attriburte */
169 FRESULT f_rename (const char*, const char*); /* Rename/Move a file or directory */ 169 FRESULT f_rename (const char*, const char*); /* Rename/Move a file or directory */
170   170  
171   171  
172 /* User defined function to give a current time to fatfs module */ 172 /* User defined function to give a current time to fatfs module */
173   173  
174 DWORD get_fattime (void); /* 31-25: Year(0-127 +1980), 24-21: Month(1-12), 20-16: Day(1-31) */ 174 DWORD get_fattime (void); /* 31-25: Year(0-127 +1980), 24-21: Month(1-12), 20-16: Day(1-31) */
175 /* 15-11: Hour(0-23), 10-5: Minute(0-59), 4-0: Second(0-29 *2) */ 175 /* 15-11: Hour(0-23), 10-5: Minute(0-59), 4-0: Second(0-29 *2) */
176   176  
177   177  
178   178  
179 /* File access control and file status flags (FIL.flag) */ 179 /* File access control and file status flags (FIL.flag) */
180   180  
181 #define FA_READ 0x01 181 #define FA_READ 0x01
182 #define FA_OPEN_EXISTING 0x00 182 #define FA_OPEN_EXISTING 0x00
183 #if !_FS_READONLY 183 #if !_FS_READONLY
184 #define FA_WRITE 0x02 184 #define FA_WRITE 0x02
185 #define FA_CREATE_NEW 0x04 185 #define FA_CREATE_NEW 0x04
186 #define FA_CREATE_ALWAYS 0x08 186 #define FA_CREATE_ALWAYS 0x08
187 #define FA_OPEN_ALWAYS 0x10 187 #define FA_OPEN_ALWAYS 0x10
188 #define FA__WRITTEN 0x20 188 #define FA__WRITTEN 0x20
189 #endif 189 #endif
190 #define FA__ERROR 0x80 190 #define FA__ERROR 0x80
191   191  
192   192  
193 /* FAT sub type (FATFS.fs_type) */ 193 /* FAT sub type (FATFS.fs_type) */
194   194  
195 #define FS_FAT12 1 195 #define FS_FAT12 1
196 #define FS_FAT16 2 196 #define FS_FAT16 2
197 #define FS_FAT32 3 197 #define FS_FAT32 3
198   198  
199   199  
200 /* File attribute bits for directory entry */ 200 /* File attribute bits for directory entry */
201   201  
202 #define AM_RDO 0x01 /* Read only */ 202 #define AM_RDO 0x01 /* Read only */
203 #define AM_HID 0x02 /* Hidden */ 203 #define AM_HID 0x02 /* Hidden */
204 #define AM_SYS 0x04 /* System */ 204 #define AM_SYS 0x04 /* System */
205 #define AM_VOL 0x08 /* Volume label */ 205 #define AM_VOL 0x08 /* Volume label */
206 #define AM_LFN 0x0F /* LFN entry */ 206 #define AM_LFN 0x0F /* LFN entry */
207 #define AM_DIR 0x10 /* Directory */ 207 #define AM_DIR 0x10 /* Directory */
208 #define AM_ARC 0x20 /* Archive */ 208 #define AM_ARC 0x20 /* Archive */
209   209  
210   210  
211   211  
212 /* Offset of FAT structure members */ 212 /* Offset of FAT structure members */
213   213  
214 #define BS_jmpBoot 0 214 #define BS_jmpBoot 0
215 #define BS_OEMName 3 215 #define BS_OEMName 3
216 #define BPB_BytsPerSec 11 216 #define BPB_BytsPerSec 11
217 #define BPB_SecPerClus 13 217 #define BPB_SecPerClus 13
218 #define BPB_RsvdSecCnt 14 218 #define BPB_RsvdSecCnt 14
219 #define BPB_NumFATs 16 219 #define BPB_NumFATs 16
220 #define BPB_RootEntCnt 17 220 #define BPB_RootEntCnt 17
221 #define BPB_TotSec16 19 221 #define BPB_TotSec16 19
222 #define BPB_Media 21 222 #define BPB_Media 21
223 #define BPB_FATSz16 22 223 #define BPB_FATSz16 22
224 #define BPB_SecPerTrk 24 224 #define BPB_SecPerTrk 24
225 #define BPB_NumHeads 26 225 #define BPB_NumHeads 26
226 #define BPB_HiddSec 28 226 #define BPB_HiddSec 28
227 #define BPB_TotSec32 32 227 #define BPB_TotSec32 32
228 #define BS_55AA 510 228 #define BS_55AA 510
229   229  
230 #define BS_DrvNum 36 230 #define BS_DrvNum 36
231 #define BS_BootSig 38 231 #define BS_BootSig 38
232 #define BS_VolID 39 232 #define BS_VolID 39
233 #define BS_VolLab 43 233 #define BS_VolLab 43
234 #define BS_FilSysType 54 234 #define BS_FilSysType 54
235   235  
236 #define BPB_FATSz32 36 236 #define BPB_FATSz32 36
237 #define BPB_ExtFlags 40 237 #define BPB_ExtFlags 40
238 #define BPB_FSVer 42 238 #define BPB_FSVer 42
239 #define BPB_RootClus 44 239 #define BPB_RootClus 44
240 #define BPB_FSInfo 48 240 #define BPB_FSInfo 48
241 #define BPB_BkBootSec 50 241 #define BPB_BkBootSec 50
242 #define BS_DrvNum32 64 242 #define BS_DrvNum32 64
243 #define BS_BootSig32 66 243 #define BS_BootSig32 66
244 #define BS_VolID32 67 244 #define BS_VolID32 67
245 #define BS_VolLab32 71 245 #define BS_VolLab32 71
246 #define BS_FilSysType32 82 246 #define BS_FilSysType32 82
247   247  
248 #define FSI_LeadSig 0 248 #define FSI_LeadSig 0
249 #define FSI_StrucSig 484 249 #define FSI_StrucSig 484
250 #define FSI_Free_Count 488 250 #define FSI_Free_Count 488
251 #define FSI_Nxt_Free 492 251 #define FSI_Nxt_Free 492
252   252  
253 #define MBR_Table 446 253 #define MBR_Table 446
254   254  
255 #define DIR_Name 0 255 #define DIR_Name 0
256 #define DIR_Attr 11 256 #define DIR_Attr 11
257 #define DIR_NTres 12 257 #define DIR_NTres 12
258 #define DIR_CrtTime 14 258 #define DIR_CrtTime 14
259 #define DIR_CrtDate 16 259 #define DIR_CrtDate 16
260 #define DIR_FstClusHI 20 260 #define DIR_FstClusHI 20
261 #define DIR_WrtTime 22 261 #define DIR_WrtTime 22
262 #define DIR_WrtDate 24 262 #define DIR_WrtDate 24
263 #define DIR_FstClusLO 26 263 #define DIR_FstClusLO 26
264 #define DIR_FileSize 28 264 #define DIR_FileSize 28
265   265  
266   266  
267   267  
268 /* Multi-byte word access macros */ 268 /* Multi-byte word access macros */
269   269  
270 #if _MCU_ENDIAN == 1 /* Use word access */ 270 #if _MCU_ENDIAN == 1 /* Use word access */
271 #define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr)) 271 #define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr))
272 #define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr)) 272 #define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr))
273 #define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val) 273 #define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val)
274 #define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val) 274 #define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
275 #else 275 #else
276 #if _MCU_ENDIAN == 2 /* Use byte-by-byte access */ 276 #if _MCU_ENDIAN == 2 /* Use byte-by-byte access */
277 #define LD_WORD(ptr) (WORD)(((WORD)*(BYTE*)((ptr)+1)<<8)|(WORD)*(BYTE*)(ptr)) 277 #define LD_WORD(ptr) (WORD)(((WORD)*(BYTE*)((ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
278 #define LD_DWORD(ptr) (DWORD)(((DWORD)*(BYTE*)((ptr)+3)<<24)|((DWORD)*(BYTE*)((ptr)+2)<<16)|((WORD)*(BYTE*)((ptr)+1)<<8)|*(BYTE*)(ptr)) 278 #define LD_DWORD(ptr) (DWORD)(((DWORD)*(BYTE*)((ptr)+3)<<24)|((DWORD)*(BYTE*)((ptr)+2)<<16)|((WORD)*(BYTE*)((ptr)+1)<<8)|*(BYTE*)(ptr))
279 #define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *(BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8) 279 #define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *(BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8)
280 #define ST_DWORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *(BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8); *(BYTE*)((ptr)+2)=(BYTE)((DWORD)(val)>>16); *(BYTE*)((ptr)+3)=(BYTE)((DWORD)(val)>>24) 280 #define ST_DWORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *(BYTE*)((ptr)+1)=(BYTE)((WORD)(val)>>8); *(BYTE*)((ptr)+2)=(BYTE)((DWORD)(val)>>16); *(BYTE*)((ptr)+3)=(BYTE)((DWORD)(val)>>24)
281 #else 281 #else
282 #error Do not forget to set _MCU_ENDIAN properly! 282 #error Do not forget to set _MCU_ENDIAN properly!
283 #endif 283 #endif
284 #endif 284 #endif
285   285  
286   286  
287   287  
288 #define _FATFS 288 #define _FATFS
289 #endif /* _FATFS */ 289 #endif /* _FATFS */