Squashed 'third_party/pico-sdk/lib/tinyusb/' content from commit 868948f67c
Change-Id: I5d33c2566dd597be9d4b1c30d4b3723c5ef4a265
git-subtree-dir: third_party/pico-sdk/lib/tinyusb
git-subtree-split: 868948f67c90fa7c2553cdcd604b52862cf55720
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/lib/fatfs/00readme.txt b/lib/fatfs/00readme.txt
new file mode 100644
index 0000000..f7330e9
--- /dev/null
+++ b/lib/fatfs/00readme.txt
@@ -0,0 +1,138 @@
+FatFs Module Source Files R0.09b (C)ChaN, 2013
+
+
+FILES
+
+ ffconf.h Configuration file for FatFs module.
+ ff.h Common include file for FatFs and application module.
+ ff.c FatFs module.
+ diskio.h Common include file for FatFs and disk I/O module.
+ diskio.c An example of glue function to attach existing disk I/O module to FatFs.
+ integer.h Integer type definitions for FatFs.
+ option Optional external functions.
+
+ Low level disk I/O module is not included in this archive because the FatFs
+ module is only a generic file system layer and not depend on any specific
+ storage device. You have to provide a low level disk I/O module that written
+ to control your storage device.
+
+
+
+AGREEMENTS
+
+ FatFs module is an open source software to implement FAT file system to
+ small embedded systems. This is a free software and is opened for education,
+ research and commercial developments under license policy of following trems.
+
+ Copyright (C) 2012, ChaN, all right reserved.
+
+ * The FatFs module is a free software and there is NO WARRANTY.
+ * No restriction on use. You can use, modify and redistribute it for
+ personal, non-profit or commercial product UNDER YOUR RESPONSIBILITY.
+ * Redistributions of source code must retain the above copyright notice.
+
+
+
+REVISION HISTORY
+
+ Feb 26, 2006 R0.00 Prototype
+
+ Apr 29, 2006 R0.01 First release.
+
+ Jun 01, 2006 R0.02 Added FAT12.
+ Removed unbuffered mode.
+ Fixed a problem on small (<32M) patition.
+
+ Jun 10, 2006 R0.02a Added a configuration option _FS_MINIMUM.
+
+ Sep 22, 2006 R0.03 Added f_rename.
+ Changed option _FS_MINIMUM to _FS_MINIMIZE.
+
+ Dec 11, 2006 R0.03a Improved cluster scan algolithm to write files fast.
+ Fixed f_mkdir creates incorrect directory on FAT32.
+
+ Feb 04, 2007 R0.04 Supported multiple drive system. (FatFs)
+ Changed some APIs for multiple drive system.
+ Added f_mkfs. (FatFs)
+ Added _USE_FAT32 option. (Tiny-FatFs)
+
+ Apr 01, 2007 R0.04a Supported multiple partitions on a plysical drive. (FatFs)
+ Fixed an endian sensitive code in f_mkfs. (FatFs)
+ Added a capability of extending the file size to f_lseek.
+ Added minimization level 3.
+ Fixed a problem that can collapse a sector when recreate an
+ existing file in any sub-directory at non FAT32 cfg. (Tiny-FatFs)
+
+ May 05, 2007 R0.04b Added _USE_NTFLAG option.
+ Added FSInfo support.
+ Fixed some problems corresponds to FAT32. (Tiny-FatFs)
+ Fixed DBCS name can result FR_INVALID_NAME.
+ Fixed short seek (0 < ofs <= csize) collapses the file object.
+
+ Aug 25, 2007 R0.05 Changed arguments of f_read, f_write.
+ Changed arguments of f_mkfs. (FatFs)
+ Fixed f_mkfs on FAT32 creates incorrect FSInfo. (FatFs)
+ Fixed f_mkdir on FAT32 creates incorrect directory. (FatFs)
+
+ Feb 03, 2008 R0.05a Added f_truncate().
+ Added f_utime().
+ Fixed off by one error at FAT sub-type determination.
+ Fixed btr in f_read() can be mistruncated.
+ Fixed cached sector is not flushed when create and close without write.
+
+ Apr 01, 2008 R0.06 Added f_forward(). (Tiny-FatFs)
+ Added string functions: fputc(), fputs(), fprintf() and fgets().
+ Improved performance of f_lseek() on move to the same or following cluster.
+
+ Apr 01, 2009, R0.07 Merged Tiny-FatFs as a buffer configuration option.
+ Added long file name support.
+ Added multiple code page support.
+ Added re-entrancy for multitask operation.
+ Added auto cluster size selection to f_mkfs().
+ Added rewind option to f_readdir().
+ Changed result code of critical errors.
+ Renamed string functions to avoid name collision.
+
+ Apr 14, 2009, R0.07a Separated out OS dependent code on reentrant cfg.
+ Added multiple sector size support.
+
+ Jun 21, 2009, R0.07c Fixed f_unlink() may return FR_OK on error.
+ Fixed wrong cache control in f_lseek().
+ Added relative path feature.
+ Added f_chdir().
+ Added f_chdrive().
+ Added proper case conversion for extended characters.
+
+ Nov 03, 2009 R0.07e Separated out configuration options from ff.h to ffconf.h.
+ Added a configuration option, _LFN_UNICODE.
+ Fixed f_unlink() fails to remove a sub-dir on _FS_RPATH.
+ Fixed name matching error on the 13 char boundary.
+ Changed f_readdir() to return the SFN with always upper case on non-LFN cfg.
+
+ May 15, 2010, R0.08 Added a memory configuration option. (_USE_LFN)
+ Added file lock feature. (_FS_SHARE)
+ Added fast seek feature. (_USE_FASTSEEK)
+ Changed some types on the API, XCHAR->TCHAR.
+ Changed fname member in the FILINFO structure on Unicode cfg.
+ String functions support UTF-8 encoding files on Unicode cfg.
+
+ Aug 16,'10 R0.08a Added f_getcwd(). (_FS_RPATH = 2)
+ Added sector erase feature. (_USE_ERASE)
+ Moved file lock semaphore table from fs object to the bss.
+ Fixed a wrong directory entry is created on non-LFN cfg when the given name contains ';'.
+ Fixed f_mkfs() creates wrong FAT32 volume.
+
+ Jan 15,'11 R0.08b Fast seek feature is also applied to f_read() and f_write().
+ f_lseek() reports required table size on creating CLMP.
+ Extended format syntax of f_printf function.
+ Ignores duplicated directory separators in given path names.
+
+ Sep 06,'11 R0.09 f_mkfs() supports multiple partition to finish the multiple partition feature.
+ Added f_fdisk(). (_MULTI_PARTITION = 2)
+
+ Aug 27,'12 R0.09a Fixed assertion failure due to OS/2 EA on FAT12/16.
+ Changed f_open() and f_opendir() reject null object pointer to avoid crash.
+ Changed option name _FS_SHARE to _FS_LOCK.
+
+ Jan 23,'13 R0.09b Added f_getlabel() and f_setlabel(). (_USE_LABEL == 1)
+
diff --git a/lib/fatfs/ccsbcs.c b/lib/fatfs/ccsbcs.c
new file mode 100644
index 0000000..07d6f09
--- /dev/null
+++ b/lib/fatfs/ccsbcs.c
@@ -0,0 +1,543 @@
+/*------------------------------------------------------------------------*/
+/* Unicode - Local code bidirectional converter (C)ChaN, 2012 */
+/* (SBCS code pages) */
+/*------------------------------------------------------------------------*/
+/* 437 U.S. (OEM)
+/ 720 Arabic (OEM)
+/ 1256 Arabic (Windows)
+/ 737 Greek (OEM)
+/ 1253 Greek (Windows)
+/ 1250 Central Europe (Windows)
+/ 775 Baltic (OEM)
+/ 1257 Baltic (Windows)
+/ 850 Multilingual Latin 1 (OEM)
+/ 852 Latin 2 (OEM)
+/ 1252 Latin 1 (Windows)
+/ 855 Cyrillic (OEM)
+/ 1251 Cyrillic (Windows)
+/ 866 Russian (OEM)
+/ 857 Turkish (OEM)
+/ 1254 Turkish (Windows)
+/ 858 Multilingual Latin 1 + Euro (OEM)
+/ 862 Hebrew (OEM)
+/ 1255 Hebrew (Windows)
+/ 874 Thai (OEM, Windows)
+/ 1258 Vietnam (OEM, Windows)
+*/
+
+#include "ff.h"
+
+#if CFG_TUH_MSC
+
+#if _CODE_PAGE == 437
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP437(0x80-0xFF) to Unicode conversion table */
+ 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7,
+ 0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5,
+ 0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9,
+ 0x00FF, 0x00D6, 0x00DC, 0x00A2, 0x00A3, 0x00A5, 0x20A7, 0x0192,
+ 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA,
+ 0x00BF, 0x2310, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB,
+ 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
+ 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510,
+ 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F,
+ 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567,
+ 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B,
+ 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580,
+ 0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4,
+ 0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229,
+ 0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248,
+ 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 720
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP720(0x80-0xFF) to Unicode conversion table */
+ 0x0000, 0x0000, 0x00E9, 0x00E2, 0x0000, 0x00E0, 0x0000, 0x00E7,
+ 0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x0651, 0x0652, 0x00F4, 0x00A4, 0x0640, 0x00FB, 0x00F9,
+ 0x0621, 0x0622, 0x0623, 0x0624, 0x00A3, 0x0625, 0x0626, 0x0627,
+ 0x0628, 0x0629, 0x062A, 0x062B, 0x062C, 0x062D, 0x062E, 0x062F,
+ 0x0630, 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x00AB, 0x00BB,
+ 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
+ 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510,
+ 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F,
+ 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567,
+ 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B,
+ 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580,
+ 0x0636, 0x0637, 0x0638, 0x0639, 0x063A, 0x0641, 0x00B5, 0x0642,
+ 0x0643, 0x0644, 0x0645, 0x0646, 0x0647, 0x0648, 0x0649, 0x064A,
+ 0x2261, 0x064B, 0x064C, 0x064D, 0x064E, 0x064F, 0x0650, 0x2248,
+ 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 737
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP737(0x80-0xFF) to Unicode conversion table */
+ 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397, 0x0398,
+ 0x0399, 0x039A, 0x039B, 0x039C, 0x039D, 0x039E, 0x039F, 0x03A0,
+ 0x03A1, 0x03A3, 0x03A4, 0x03A5, 0x03A6, 0x03A7, 0x03A8, 0x03A9,
+ 0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7, 0x03B8,
+ 0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF, 0x03C0,
+ 0x03C1, 0x03C3, 0x03C2, 0x03C4, 0x03C5, 0x03C6, 0x03C7, 0x03C8,
+ 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
+ 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510,
+ 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F,
+ 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567,
+ 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B,
+ 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580,
+ 0x03C9, 0x03AC, 0x03AD, 0x03AE, 0x03CA, 0x03AF, 0x03CC, 0x03CD,
+ 0x03CB, 0x03CE, 0x0386, 0x0388, 0x0389, 0x038A, 0x038C, 0x038E,
+ 0x038F, 0x00B1, 0x2265, 0x2264, 0x03AA, 0x03AB, 0x00F7, 0x2248,
+ 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 775
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP775(0x80-0xFF) to Unicode conversion table */
+ 0x0106, 0x00FC, 0x00E9, 0x0101, 0x00E4, 0x0123, 0x00E5, 0x0107,
+ 0x0142, 0x0113, 0x0156, 0x0157, 0x012B, 0x0179, 0x00C4, 0x00C5,
+ 0x00C9, 0x00E6, 0x00C6, 0x014D, 0x00F6, 0x0122, 0x00A2, 0x015A,
+ 0x015B, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x00D7, 0x00A4,
+ 0x0100, 0x012A, 0x00F3, 0x017B, 0x017C, 0x017A, 0x201D, 0x00A6,
+ 0x00A9, 0x00AE, 0x00AC, 0x00BD, 0x00BC, 0x0141, 0x00AB, 0x00BB,
+ 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x0104, 0x010C, 0x0118,
+ 0x0116, 0x2563, 0x2551, 0x2557, 0x255D, 0x012E, 0x0160, 0x2510,
+ 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x0172, 0x016A,
+ 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x017D,
+ 0x0105, 0x010D, 0x0119, 0x0117, 0x012F, 0x0161, 0x0173, 0x016B,
+ 0x017E, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580,
+ 0x00D3, 0x00DF, 0x014C, 0x0143, 0x00F5, 0x00D5, 0x00B5, 0x0144,
+ 0x0136, 0x0137, 0x013B, 0x013C, 0x0146, 0x0112, 0x0145, 0x2019,
+ 0x00AD, 0x00B1, 0x201C, 0x00BE, 0x00B6, 0x00A7, 0x00F7, 0x201E,
+ 0x00B0, 0x2219, 0x00B7, 0x00B9, 0x00B3, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 850
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP850(0x80-0xFF) to Unicode conversion table */
+ 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7,
+ 0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5,
+ 0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9,
+ 0x00FF, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x00D7, 0x0192,
+ 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA,
+ 0x00BF, 0x00AE, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB,
+ 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00C1, 0x00C2, 0x00C0,
+ 0x00A9, 0x2563, 0x2551, 0x2557, 0x255D, 0x00A2, 0x00A5, 0x2510,
+ 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x00E3, 0x00C3,
+ 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4,
+ 0x00F0, 0x00D0, 0x00CA, 0x00CB, 0x00C8, 0x0131, 0x00CD, 0x00CE,
+ 0x00CF, 0x2518, 0x250C, 0x2588, 0x2584, 0x00A6, 0x00CC, 0x2580,
+ 0x00D3, 0x00DF, 0x00D4, 0x00D2, 0x00F5, 0x00D5, 0x00B5, 0x00FE,
+ 0x00DE, 0x00DA, 0x00DB, 0x00D9, 0x00FD, 0x00DD, 0x00AF, 0x00B4,
+ 0x00AD, 0x00B1, 0x2017, 0x00BE, 0x00B6, 0x00A7, 0x00F7, 0x00B8,
+ 0x00B0, 0x00A8, 0x00B7, 0x00B9, 0x00B3, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 852
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP852(0x80-0xFF) to Unicode conversion table */
+ 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x016F, 0x0107, 0x00E7,
+ 0x0142, 0x00EB, 0x0150, 0x0151, 0x00EE, 0x0179, 0x00C4, 0x0106,
+ 0x00C9, 0x0139, 0x013A, 0x00F4, 0x00F6, 0x013D, 0x013E, 0x015A,
+ 0x015B, 0x00D6, 0x00DC, 0x0164, 0x0165, 0x0141, 0x00D7, 0x010D,
+ 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x0104, 0x0105, 0x017D, 0x017E,
+ 0x0118, 0x0119, 0x00AC, 0x017A, 0x010C, 0x015F, 0x00AB, 0x00BB,
+ 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00C1, 0x00C2, 0x011A,
+ 0x015E, 0x2563, 0x2551, 0x2557, 0x255D, 0x017B, 0x017C, 0x2510,
+ 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x0102, 0x0103,
+ 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4,
+ 0x0111, 0x0110, 0x010E, 0x00CB, 0x010F, 0x0147, 0x00CD, 0x00CE,
+ 0x011B, 0x2518, 0x250C, 0x2588, 0x2584, 0x0162, 0x016E, 0x2580,
+ 0x00D3, 0x00DF, 0x00D4, 0x0143, 0x0144, 0x0148, 0x0160, 0x0161,
+ 0x0154, 0x00DA, 0x0155, 0x0170, 0x00FD, 0x00DD, 0x0163, 0x00B4,
+ 0x00AD, 0x02DD, 0x02DB, 0x02C7, 0x02D8, 0x00A7, 0x00F7, 0x00B8,
+ 0x00B0, 0x00A8, 0x02D9, 0x0171, 0x0158, 0x0159, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 855
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP855(0x80-0xFF) to Unicode conversion table */
+ 0x0452, 0x0402, 0x0453, 0x0403, 0x0451, 0x0401, 0x0454, 0x0404,
+ 0x0455, 0x0405, 0x0456, 0x0406, 0x0457, 0x0407, 0x0458, 0x0408,
+ 0x0459, 0x0409, 0x045A, 0x040A, 0x045B, 0x040B, 0x045C, 0x040C,
+ 0x045E, 0x040E, 0x045F, 0x040F, 0x044E, 0x042E, 0x044A, 0x042A,
+ 0x0430, 0x0410, 0x0431, 0x0411, 0x0446, 0x0426, 0x0434, 0x0414,
+ 0x0435, 0x0415, 0x0444, 0x0424, 0x0433, 0x0413, 0x00AB, 0x00BB,
+ 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x0445, 0x0425, 0x0438,
+ 0x0418, 0x2563, 0x2551, 0x2557, 0x255D, 0x0439, 0x0419, 0x2510,
+ 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x043A, 0x041A,
+ 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4,
+ 0x043B, 0x041B, 0x043C, 0x041C, 0x043D, 0x041D, 0x043E, 0x041E,
+ 0x043F, 0x2518, 0x250C, 0x2588, 0x2584, 0x041F, 0x044F, 0x2580,
+ 0x042F, 0x0440, 0x0420, 0x0441, 0x0421, 0x0442, 0x0422, 0x0443,
+ 0x0423, 0x0436, 0x0416, 0x0432, 0x0412, 0x044C, 0x042C, 0x2116,
+ 0x00AD, 0x044B, 0x042B, 0x0437, 0x0417, 0x0448, 0x0428, 0x044D,
+ 0x042D, 0x0449, 0x0429, 0x0447, 0x0427, 0x00A7, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 857
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP857(0x80-0xFF) to Unicode conversion table */
+ 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7,
+ 0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x0131, 0x00C4, 0x00C5,
+ 0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9,
+ 0x0130, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x015E, 0x015F,
+ 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x011E, 0x011F,
+ 0x00BF, 0x00AE, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB,
+ 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00C1, 0x00C2, 0x00C0,
+ 0x00A9, 0x2563, 0x2551, 0x2557, 0x255D, 0x00A2, 0x00A5, 0x2510,
+ 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x00E3, 0x00C3,
+ 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4,
+ 0x00BA, 0x00AA, 0x00CA, 0x00CB, 0x00C8, 0x0000, 0x00CD, 0x00CE,
+ 0x00CF, 0x2518, 0x250C, 0x2588, 0x2584, 0x00A6, 0x00CC, 0x2580,
+ 0x00D3, 0x00DF, 0x00D4, 0x00D2, 0x00F5, 0x00D5, 0x00B5, 0x0000,
+ 0x00D7, 0x00DA, 0x00DB, 0x00D9, 0x00EC, 0x00FF, 0x00AF, 0x00B4,
+ 0x00AD, 0x00B1, 0x0000, 0x00BE, 0x00B6, 0x00A7, 0x00F7, 0x00B8,
+ 0x00B0, 0x00A8, 0x00B7, 0x00B9, 0x00B3, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 858
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP858(0x80-0xFF) to Unicode conversion table */
+ 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7,
+ 0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5,
+ 0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9,
+ 0x00FF, 0x00D6, 0x00DC, 0x00F8, 0x00A3, 0x00D8, 0x00D7, 0x0192,
+ 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA,
+ 0x00BF, 0x00AE, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB,
+ 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x00C1, 0x00C2, 0x00C0,
+ 0x00A9, 0x2563, 0x2551, 0x2557, 0x2550, 0x00A2, 0x00A5, 0x2510,
+ 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x00E3, 0x00C3,
+ 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x00A4,
+ 0x00F0, 0x00D0, 0x00CA, 0x00CB, 0x00C8, 0x20AC, 0x00CD, 0x00CE,
+ 0x00CF, 0x2518, 0x250C, 0x2588, 0x2584, 0x00C6, 0x00CC, 0x2580,
+ 0x00D3, 0x00DF, 0x00D4, 0x00D2, 0x00F5, 0x00D5, 0x00B5, 0x00FE,
+ 0x00DE, 0x00DA, 0x00DB, 0x00D9, 0x00FD, 0x00DD, 0x00AF, 0x00B4,
+ 0x00AD, 0x00B1, 0x2017, 0x00BE, 0x00B6, 0x00A7, 0x00F7, 0x00B8,
+ 0x00B0, 0x00A8, 0x00B7, 0x00B9, 0x00B3, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 862
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP862(0x80-0xFF) to Unicode conversion table */
+ 0x05D0, 0x05D1, 0x05D2, 0x05D3, 0x05D4, 0x05D5, 0x05D6, 0x05D7,
+ 0x05D8, 0x05D9, 0x05DA, 0x05DB, 0x05DC, 0x05DD, 0x05DE, 0x05DF,
+ 0x05E0, 0x05E1, 0x05E2, 0x05E3, 0x05E4, 0x05E5, 0x05E6, 0x05E7,
+ 0x05E8, 0x05E9, 0x05EA, 0x00A2, 0x00A3, 0x00A5, 0x20A7, 0x0192,
+ 0x00E1, 0x00ED, 0x00F3, 0x00FA, 0x00F1, 0x00D1, 0x00AA, 0x00BA,
+ 0x00BF, 0x2310, 0x00AC, 0x00BD, 0x00BC, 0x00A1, 0x00AB, 0x00BB,
+ 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
+ 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510,
+ 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F,
+ 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567,
+ 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B,
+ 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580,
+ 0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4,
+ 0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229,
+ 0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248,
+ 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 866
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP866(0x80-0xFF) to Unicode conversion table */
+ 0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417,
+ 0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, 0x041F,
+ 0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427,
+ 0x0428, 0x0429, 0x042A, 0x042B, 0x042C, 0x042D, 0x042E, 0x042F,
+ 0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
+ 0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F,
+ 0x2591, 0x2592, 0x2593, 0x2502, 0x2524, 0x2561, 0x2562, 0x2556,
+ 0x2555, 0x2563, 0x2551, 0x2557, 0x255D, 0x255C, 0x255B, 0x2510,
+ 0x2514, 0x2534, 0x252C, 0x251C, 0x2500, 0x253C, 0x255E, 0x255F,
+ 0x255A, 0x2554, 0x2569, 0x2566, 0x2560, 0x2550, 0x256C, 0x2567,
+ 0x2568, 0x2564, 0x2565, 0x2559, 0x2558, 0x2552, 0x2553, 0x256B,
+ 0x256A, 0x2518, 0x250C, 0x2588, 0x2584, 0x258C, 0x2590, 0x2580,
+ 0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447,
+ 0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F,
+ 0x0401, 0x0451, 0x0404, 0x0454, 0x0407, 0x0457, 0x040E, 0x045E,
+ 0x00B0, 0x2219, 0x00B7, 0x221A, 0x2116, 0x00A4, 0x25A0, 0x00A0
+};
+
+#elif _CODE_PAGE == 874
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP874(0x80-0xFF) to Unicode conversion table */
+ 0x20AC, 0x0000, 0x0000, 0x0000, 0x0000, 0x2026, 0x0000, 0x0000,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+ 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x00A0, 0x0E01, 0x0E02, 0x0E03, 0x0E04, 0x0E05, 0x0E06, 0x0E07,
+ 0x0E08, 0x0E09, 0x0E0A, 0x0E0B, 0x0E0C, 0x0E0D, 0x0E0E, 0x0E0F,
+ 0x0E10, 0x0E11, 0x0E12, 0x0E13, 0x0E14, 0x0E15, 0x0E16, 0x0E17,
+ 0x0E18, 0x0E19, 0x0E1A, 0x0E1B, 0x0E1C, 0x0E1D, 0x0E1E, 0x0E1F,
+ 0x0E20, 0x0E21, 0x0E22, 0x0E23, 0x0E24, 0x0E25, 0x0E26, 0x0E27,
+ 0x0E28, 0x0E29, 0x0E2A, 0x0E2B, 0x0E2C, 0x0E2D, 0x0E2E, 0x0E2F,
+ 0x0E30, 0x0E31, 0x0E32, 0x0E33, 0x0E34, 0x0E35, 0x0E36, 0x0E37,
+ 0x0E38, 0x0E39, 0x0E3A, 0x0000, 0x0000, 0x0000, 0x0000, 0x0E3F,
+ 0x0E40, 0x0E41, 0x0E42, 0x0E43, 0x0E44, 0x0E45, 0x0E46, 0x0E47,
+ 0x0E48, 0x0E49, 0x0E4A, 0x0E4B, 0x0E4C, 0x0E4D, 0x0E4E, 0x0E4F,
+ 0x0E50, 0x0E51, 0x0E52, 0x0E53, 0x0E54, 0x0E55, 0x0E56, 0x0E57,
+ 0x0E58, 0x0E59, 0x0E5A, 0x0E5B, 0x0000, 0x0000, 0x0000, 0x0000
+};
+
+#elif _CODE_PAGE == 1250
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP1250(0x80-0xFF) to Unicode conversion table */
+ 0x20AC, 0x0000, 0x201A, 0x0000, 0x201E, 0x2026, 0x2020, 0x2021,
+ 0x0000, 0x2030, 0x0160, 0x2039, 0x015A, 0x0164, 0x017D, 0x0179,
+ 0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+ 0x0000, 0x2122, 0x0161, 0x203A, 0x015B, 0x0165, 0x017E, 0x017A,
+ 0x00A0, 0x02C7, 0x02D8, 0x0141, 0x00A4, 0x0104, 0x00A6, 0x00A7,
+ 0x00A8, 0x00A9, 0x015E, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x017B,
+ 0x00B0, 0x00B1, 0x02DB, 0x0142, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+ 0x00B8, 0x0105, 0x015F, 0x00BB, 0x013D, 0x02DD, 0x013E, 0x017C,
+ 0x0154, 0x00C1, 0x00C2, 0x0102, 0x00C4, 0x0139, 0x0106, 0x00C7,
+ 0x010C, 0x00C9, 0x0118, 0x00CB, 0x011A, 0x00CD, 0x00CE, 0x010E,
+ 0x0110, 0x0143, 0x0147, 0x00D3, 0x00D4, 0x0150, 0x00D6, 0x00D7,
+ 0x0158, 0x016E, 0x00DA, 0x0170, 0x00DC, 0x00DD, 0x0162, 0x00DF,
+ 0x0155, 0x00E1, 0x00E2, 0x0103, 0x00E4, 0x013A, 0x0107, 0x00E7,
+ 0x010D, 0x00E9, 0x0119, 0x00EB, 0x011B, 0x00ED, 0x00EE, 0x010F,
+ 0x0111, 0x0144, 0x0148, 0x00F3, 0x00F4, 0x0151, 0x00F6, 0x00F7,
+ 0x0159, 0x016F, 0x00FA, 0x0171, 0x00FC, 0x00FD, 0x0163, 0x02D9
+};
+
+#elif _CODE_PAGE == 1251
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP1251(0x80-0xFF) to Unicode conversion table */
+ 0x0402, 0x0403, 0x201A, 0x0453, 0x201E, 0x2026, 0x2020, 0x2021,
+ 0x20AC, 0x2030, 0x0409, 0x2039, 0x040A, 0x040C, 0x040B, 0x040F,
+ 0x0452, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+ 0x0000, 0x2111, 0x0459, 0x203A, 0x045A, 0x045C, 0x045B, 0x045F,
+ 0x00A0, 0x040E, 0x045E, 0x0408, 0x00A4, 0x0490, 0x00A6, 0x00A7,
+ 0x0401, 0x00A9, 0x0404, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x0407,
+ 0x00B0, 0x00B1, 0x0406, 0x0456, 0x0491, 0x00B5, 0x00B6, 0x00B7,
+ 0x0451, 0x2116, 0x0454, 0x00BB, 0x0458, 0x0405, 0x0455, 0x0457,
+ 0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417,
+ 0x0418, 0x0419, 0x041A, 0x041B, 0x041C, 0x041D, 0x041E, 0x041F,
+ 0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427,
+ 0x0428, 0x0429, 0x042A, 0x042B, 0x042C, 0x042D, 0x042E, 0x042F,
+ 0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437,
+ 0x0438, 0x0439, 0x043A, 0x043B, 0x043C, 0x043D, 0x043E, 0x043F,
+ 0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447,
+ 0x0448, 0x0449, 0x044A, 0x044B, 0x044C, 0x044D, 0x044E, 0x044F
+};
+
+#elif _CODE_PAGE == 1252
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP1252(0x80-0xFF) to Unicode conversion table */
+ 0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+ 0x02C6, 0x2030, 0x0160, 0x2039, 0x0152, 0x0000, 0x017D, 0x0000,
+ 0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+ 0x02DC, 0x2122, 0x0161, 0x203A, 0x0153, 0x0000, 0x017E, 0x0178,
+ 0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+ 0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+ 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+ 0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
+ 0x00C0, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x00C7,
+ 0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF,
+ 0x00D0, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x00D7,
+ 0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x00DD, 0x00DE, 0x00DF,
+ 0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7,
+ 0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF,
+ 0x00F0, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x00F7,
+ 0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x00FD, 0x00FE, 0x00FF
+};
+
+#elif _CODE_PAGE == 1253
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP1253(0x80-0xFF) to Unicode conversion table */
+ 0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+ 0x0000, 0x2030, 0x0000, 0x2039, 0x000C, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+ 0x0000, 0x2122, 0x0000, 0x203A, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x00A0, 0x0385, 0x0386, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+ 0x00A8, 0x00A9, 0x0000, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x2015,
+ 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x0384, 0x00B5, 0x00B6, 0x00B7,
+ 0x0388, 0x0389, 0x038A, 0x00BB, 0x038C, 0x00BD, 0x038E, 0x038F,
+ 0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397,
+ 0x0398, 0x0399, 0x039A, 0x039B, 0x039C, 0x039D, 0x039E, 0x039F,
+ 0x03A0, 0x03A1, 0x0000, 0x03A3, 0x03A4, 0x03A5, 0x03A6, 0x03A7,
+ 0x03A8, 0x03A9, 0x03AA, 0x03AD, 0x03AC, 0x03AD, 0x03AE, 0x03AF,
+ 0x03B0, 0x03B1, 0x03B2, 0x03B3, 0x03B4, 0x03B5, 0x03B6, 0x03B7,
+ 0x03B8, 0x03B9, 0x03BA, 0x03BB, 0x03BC, 0x03BD, 0x03BE, 0x03BF,
+ 0x03C0, 0x03C1, 0x03C2, 0x03C3, 0x03C4, 0x03C5, 0x03C6, 0x03C7,
+ 0x03C8, 0x03C9, 0x03CA, 0x03CB, 0x03CC, 0x03CD, 0x03CE, 0x0000
+};
+
+#elif _CODE_PAGE == 1254
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP1254(0x80-0xFF) to Unicode conversion table */
+ 0x20AC, 0x0000, 0x210A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+ 0x02C6, 0x2030, 0x0160, 0x2039, 0x0152, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+ 0x02DC, 0x2122, 0x0161, 0x203A, 0x0153, 0x0000, 0x0000, 0x0178,
+ 0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+ 0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+ 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+ 0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
+ 0x00C0, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x00C7,
+ 0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF,
+ 0x011E, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x00D7,
+ 0x00D8, 0x00D9, 0x00DA, 0x00BD, 0x00DC, 0x0130, 0x015E, 0x00DF,
+ 0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7,
+ 0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF,
+ 0x011F, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x00F7,
+ 0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x0131, 0x015F, 0x00FF
+};
+
+#elif _CODE_PAGE == 1255
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP1255(0x80-0xFF) to Unicode conversion table */
+ 0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+ 0x02C6, 0x2030, 0x0000, 0x2039, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+ 0x02DC, 0x2122, 0x0000, 0x203A, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+ 0x00A8, 0x00A9, 0x00D7, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+ 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+ 0x00B8, 0x00B9, 0x00F7, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
+ 0x05B0, 0x05B1, 0x05B2, 0x05B3, 0x05B4, 0x05B5, 0x05B6, 0x05B7,
+ 0x05B8, 0x05B9, 0x0000, 0x05BB, 0x05BC, 0x05BD, 0x05BE, 0x05BF,
+ 0x05C0, 0x05C1, 0x05C2, 0x05C3, 0x05F0, 0x05F1, 0x05F2, 0x05F3,
+ 0x05F4, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+ 0x05D0, 0x05D1, 0x05D2, 0x05D3, 0x05D4, 0x05D5, 0x05D6, 0x05D7,
+ 0x05D8, 0x05D9, 0x05DA, 0x05DB, 0x05DC, 0x05DD, 0x05DE, 0x05DF,
+ 0x05E0, 0x05E1, 0x05E2, 0x05E3, 0x05E4, 0x05E5, 0x05E6, 0x05E7,
+ 0x05E8, 0x05E9, 0x05EA, 0x0000, 0x0000, 0x200E, 0x200F, 0x0000
+};
+
+#elif _CODE_PAGE == 1256
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP1256(0x80-0xFF) to Unicode conversion table */
+ 0x20AC, 0x067E, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+ 0x02C6, 0x2030, 0x0679, 0x2039, 0x0152, 0x0686, 0x0698, 0x0688,
+ 0x06AF, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+ 0x06A9, 0x2122, 0x0691, 0x203A, 0x0153, 0x200C, 0x200D, 0x06BA,
+ 0x00A0, 0x060C, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+ 0x00A8, 0x00A9, 0x06BE, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+ 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+ 0x00B8, 0x00B9, 0x061B, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x061F,
+ 0x06C1, 0x0621, 0x0622, 0x0623, 0x0624, 0x0625, 0x0626, 0x0627,
+ 0x0628, 0x0629, 0x062A, 0x062B, 0x062C, 0x062D, 0x062E, 0x062F,
+ 0x0630, 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x0636, 0x00D7,
+ 0x0637, 0x0638, 0x0639, 0x063A, 0x0640, 0x0640, 0x0642, 0x0643,
+ 0x00E0, 0x0644, 0x00E2, 0x0645, 0x0646, 0x0647, 0x0648, 0x00E7,
+ 0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x0649, 0x064A, 0x00EE, 0x00EF,
+ 0x064B, 0x064C, 0x064D, 0x064E, 0x00F4, 0x064F, 0x0650, 0x00F7,
+ 0x0651, 0x00F9, 0x0652, 0x00FB, 0x00FC, 0x200E, 0x200F, 0x06D2
+}
+
+#elif _CODE_PAGE == 1257
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP1257(0x80-0xFF) to Unicode conversion table */
+ 0x20AC, 0x0000, 0x201A, 0x0000, 0x201E, 0x2026, 0x2020, 0x2021,
+ 0x0000, 0x2030, 0x0000, 0x2039, 0x0000, 0x00A8, 0x02C7, 0x00B8,
+ 0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+ 0x0000, 0x2122, 0x0000, 0x203A, 0x0000, 0x00AF, 0x02DB, 0x0000,
+ 0x00A0, 0x0000, 0x00A2, 0x00A3, 0x00A4, 0x0000, 0x00A6, 0x00A7,
+ 0x00D8, 0x00A9, 0x0156, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+ 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+ 0x00B8, 0x00B9, 0x0157, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00E6,
+ 0x0104, 0x012E, 0x0100, 0x0106, 0x00C4, 0x00C5, 0x0118, 0x0112,
+ 0x010C, 0x00C9, 0x0179, 0x0116, 0x0122, 0x0136, 0x012A, 0x013B,
+ 0x0160, 0x0143, 0x0145, 0x00D3, 0x014C, 0x00D5, 0x00D6, 0x00D7,
+ 0x0172, 0x0141, 0x015A, 0x016A, 0x00DC, 0x017B, 0x017D, 0x00DF,
+ 0x0105, 0x012F, 0x0101, 0x0107, 0x00E4, 0x00E5, 0x0119, 0x0113,
+ 0x010D, 0x00E9, 0x017A, 0x0117, 0x0123, 0x0137, 0x012B, 0x013C,
+ 0x0161, 0x0144, 0x0146, 0x00F3, 0x014D, 0x00F5, 0x00F6, 0x00F7,
+ 0x0173, 0x014E, 0x015B, 0x016B, 0x00FC, 0x017C, 0x017E, 0x02D9
+};
+
+#elif _CODE_PAGE == 1258
+#define _TBLDEF 1
+static
+const WCHAR Tbl[] = { /* CP1258(0x80-0xFF) to Unicode conversion table */
+ 0x20AC, 0x0000, 0x201A, 0x0192, 0x201E, 0x2026, 0x2020, 0x2021,
+ 0x02C6, 0x2030, 0x0000, 0x2039, 0x0152, 0x0000, 0x0000, 0x0000,
+ 0x0000, 0x2018, 0x2019, 0x201C, 0x201D, 0x2022, 0x2013, 0x2014,
+ 0x02DC, 0x2122, 0x0000, 0x203A, 0x0153, 0x0000, 0x0000, 0x0178,
+ 0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7,
+ 0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF,
+ 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
+ 0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF,
+ 0x00C0, 0x00C1, 0x00C2, 0x0102, 0x00C4, 0x00C5, 0x00C6, 0x00C7,
+ 0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x0300, 0x00CD, 0x00CE, 0x00CF,
+ 0x0110, 0x00D1, 0x0309, 0x00D3, 0x00D4, 0x01A0, 0x00D6, 0x00D7,
+ 0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x01AF, 0x0303, 0x00DF,
+ 0x00E0, 0x00E1, 0x00E2, 0x0103, 0x00E4, 0x00E5, 0x00E6, 0x00E7,
+ 0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x0301, 0x00ED, 0x00EE, 0x00EF,
+ 0x0111, 0x00F1, 0x0323, 0x00F3, 0x00F4, 0x01A1, 0x00F6, 0x00F7,
+ 0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x01B0, 0x20AB, 0x00FF
+};
+
+#endif
+
+
+#if !_TBLDEF || !_USE_LFN
+#error This file is not needed in current configuration. Remove from the project.
+#endif
+
+
+WCHAR ff_convert ( /* Converted character, Returns zero on error */
+ WCHAR chr, /* Character code to be converted */
+ UINT dir /* 0: Unicode to OEMCP, 1: OEMCP to Unicode */
+)
+{
+ WCHAR c;
+
+
+ if (chr < 0x80) { /* ASCII */
+ c = chr;
+
+ } else {
+ if (dir) { /* OEMCP to Unicode */
+ c = (chr >= 0x100) ? 0 : Tbl[chr - 0x80];
+
+ } else { /* Unicode to OEMCP */
+ for (c = 0; c < 0x80; c++) {
+ if (chr == Tbl[c]) break;
+ }
+ c = (c + 0x80) & 0xFF;
+ }
+ }
+
+ return c;
+}
+
+
+WCHAR ff_wtoupper ( /* Upper converted character */
+ WCHAR chr /* Input character */
+)
+{
+ static const WCHAR tbl_lower[] = { 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0xA1, 0x00A2, 0x00A3, 0x00A5, 0x00AC, 0x00AF, 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0x0FF, 0x101, 0x103, 0x105, 0x107, 0x109, 0x10B, 0x10D, 0x10F, 0x111, 0x113, 0x115, 0x117, 0x119, 0x11B, 0x11D, 0x11F, 0x121, 0x123, 0x125, 0x127, 0x129, 0x12B, 0x12D, 0x12F, 0x131, 0x133, 0x135, 0x137, 0x13A, 0x13C, 0x13E, 0x140, 0x142, 0x144, 0x146, 0x148, 0x14B, 0x14D, 0x14F, 0x151, 0x153, 0x155, 0x157, 0x159, 0x15B, 0x15D, 0x15F, 0x161, 0x163, 0x165, 0x167, 0x169, 0x16B, 0x16D, 0x16F, 0x171, 0x173, 0x175, 0x177, 0x17A, 0x17C, 0x17E, 0x192, 0x3B1, 0x3B2, 0x3B3, 0x3B4, 0x3B5, 0x3B6, 0x3B7, 0x3B8, 0x3B9, 0x3BA, 0x3BB, 0x3BC, 0x3BD, 0x3BE, 0x3BF, 0x3C0, 0x3C1, 0x3C3, 0x3C4, 0x3C5, 0x3C6, 0x3C7, 0x3C8, 0x3C9, 0x3CA, 0x430, 0x431, 0x432, 0x433, 0x434, 0x435, 0x436, 0x437, 0x438, 0x439, 0x43A, 0x43B, 0x43C, 0x43D, 0x43E, 0x43F, 0x440, 0x441, 0x442, 0x443, 0x444, 0x445, 0x446, 0x447, 0x448, 0x449, 0x44A, 0x44B, 0x44C, 0x44D, 0x44E, 0x44F, 0x451, 0x452, 0x453, 0x454, 0x455, 0x456, 0x457, 0x458, 0x459, 0x45A, 0x45B, 0x45C, 0x45E, 0x45F, 0x2170, 0x2171, 0x2172, 0x2173, 0x2174, 0x2175, 0x2176, 0x2177, 0x2178, 0x2179, 0x217A, 0x217B, 0x217C, 0x217D, 0x217E, 0x217F, 0xFF41, 0xFF42, 0xFF43, 0xFF44, 0xFF45, 0xFF46, 0xFF47, 0xFF48, 0xFF49, 0xFF4A, 0xFF4B, 0xFF4C, 0xFF4D, 0xFF4E, 0xFF4F, 0xFF50, 0xFF51, 0xFF52, 0xFF53, 0xFF54, 0xFF55, 0xFF56, 0xFF57, 0xFF58, 0xFF59, 0xFF5A, 0 };
+ static const WCHAR tbl_upper[] = { 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x21, 0xFFE0, 0xFFE1, 0xFFE5, 0xFFE2, 0xFFE3, 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0x178, 0x100, 0x102, 0x104, 0x106, 0x108, 0x10A, 0x10C, 0x10E, 0x110, 0x112, 0x114, 0x116, 0x118, 0x11A, 0x11C, 0x11E, 0x120, 0x122, 0x124, 0x126, 0x128, 0x12A, 0x12C, 0x12E, 0x130, 0x132, 0x134, 0x136, 0x139, 0x13B, 0x13D, 0x13F, 0x141, 0x143, 0x145, 0x147, 0x14A, 0x14C, 0x14E, 0x150, 0x152, 0x154, 0x156, 0x158, 0x15A, 0x15C, 0x15E, 0x160, 0x162, 0x164, 0x166, 0x168, 0x16A, 0x16C, 0x16E, 0x170, 0x172, 0x174, 0x176, 0x179, 0x17B, 0x17D, 0x191, 0x391, 0x392, 0x393, 0x394, 0x395, 0x396, 0x397, 0x398, 0x399, 0x39A, 0x39B, 0x39C, 0x39D, 0x39E, 0x39F, 0x3A0, 0x3A1, 0x3A3, 0x3A4, 0x3A5, 0x3A6, 0x3A7, 0x3A8, 0x3A9, 0x3AA, 0x410, 0x411, 0x412, 0x413, 0x414, 0x415, 0x416, 0x417, 0x418, 0x419, 0x41A, 0x41B, 0x41C, 0x41D, 0x41E, 0x41F, 0x420, 0x421, 0x422, 0x423, 0x424, 0x425, 0x426, 0x427, 0x428, 0x429, 0x42A, 0x42B, 0x42C, 0x42D, 0x42E, 0x42F, 0x401, 0x402, 0x403, 0x404, 0x405, 0x406, 0x407, 0x408, 0x409, 0x40A, 0x40B, 0x40C, 0x40E, 0x40F, 0x2160, 0x2161, 0x2162, 0x2163, 0x2164, 0x2165, 0x2166, 0x2167, 0x2168, 0x2169, 0x216A, 0x216B, 0x216C, 0x216D, 0x216E, 0x216F, 0xFF21, 0xFF22, 0xFF23, 0xFF24, 0xFF25, 0xFF26, 0xFF27, 0xFF28, 0xFF29, 0xFF2A, 0xFF2B, 0xFF2C, 0xFF2D, 0xFF2E, 0xFF2F, 0xFF30, 0xFF31, 0xFF32, 0xFF33, 0xFF34, 0xFF35, 0xFF36, 0xFF37, 0xFF38, 0xFF39, 0xFF3A, 0 };
+ int i;
+
+
+ for (i = 0; tbl_lower[i] && chr != tbl_lower[i]; i++) ;
+
+ return tbl_lower[i] ? tbl_upper[i] : chr;
+}
+
+#endif // CFG_TUH_MSC
diff --git a/lib/fatfs/diskio.c b/lib/fatfs/diskio.c
new file mode 100644
index 0000000..a6132f2
--- /dev/null
+++ b/lib/fatfs/diskio.c
@@ -0,0 +1,193 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#include "tusb.h"
+
+#if CFG_TUH_MSC
+//--------------------------------------------------------------------+
+// INCLUDE
+//--------------------------------------------------------------------+
+#include "ffconf.h"
+#include "diskio.h"
+//--------------------------------------------------------------------+
+// MACRO CONSTANT TYPEDEF
+//--------------------------------------------------------------------+
+// TODO change it to portable init
+static DSTATUS disk_state[CFG_TUH_DEVICE_MAX];
+
+//--------------------------------------------------------------------+
+// INTERNAL OBJECT & FUNCTION DECLARATION
+//--------------------------------------------------------------------+
+
+//--------------------------------------------------------------------+
+// IMPLEMENTATION
+//--------------------------------------------------------------------+
+static DRESULT wait_for_io_complete(uint8_t usb_addr)
+{
+ // TODO with RTOS, this should use semaphore instead of blocking
+ while ( !tuh_msc_ready(usb_addr) )
+ {
+ // TODO should have timeout here
+ #if CFG_TUSB_OS != OPT_OS_NONE
+ osal_task_delay(10);
+ #endif
+ }
+
+ return RES_OK;
+}
+
+void diskio_init(void)
+{
+ memset(disk_state, STA_NOINIT, CFG_TUH_DEVICE_MAX);
+}
+
+//pdrv Specifies the physical drive number.
+DSTATUS disk_initialize ( BYTE pdrv )
+{
+ disk_state[pdrv] &= (~STA_NOINIT); // clear NOINIT bit
+ return disk_state[pdrv];
+}
+
+void disk_deinitialize ( BYTE pdrv )
+{
+ disk_state[pdrv] |= STA_NOINIT; // set NOINIT bit
+}
+
+DSTATUS disk_status (BYTE pdrv)
+{
+ return disk_state[pdrv];
+}
+
+//pdrv
+// Specifies the physical drive number --> == dev_addr-1
+//buff
+// Pointer to the byte array to store the read data. The size of buffer must be in sector size * sector count.
+//sector
+// Specifies the start sector number in logical block address (LBA).
+//count
+// Specifies number of sectors to read. The value can be 1 to 128. Generally, a multiple sector transfer request
+// must not be split into single sector transactions to the device, or you may not get good read performance.
+DRESULT disk_read (BYTE pdrv, BYTE*buff, DWORD sector, BYTE count)
+{
+ uint8_t usb_addr = pdrv+1;
+
+ if ( TUSB_ERROR_NONE != tuh_msc_read10(usb_addr, 0, buff, sector, count) ) return RES_ERROR;
+
+ return wait_for_io_complete(usb_addr);
+}
+
+
+DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, BYTE count)
+{
+ uint8_t usb_addr = pdrv+1;
+
+ if ( TUSB_ERROR_NONE != tuh_msc_write10(usb_addr, 0, buff, sector, count) ) return RES_ERROR;
+
+ return wait_for_io_complete(usb_addr);
+}
+
+/* [IN] Drive number */
+/* [IN] Control command code */
+/* [I/O] Parameter and data buffer */
+DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff)
+{
+ (void) buff; (void) pdrv; // compiler warnings
+
+ if (cmd != CTRL_SYNC) return RES_ERROR;
+ return RES_OK;
+}
+
+static inline uint8_t month2number(char* p_ch)
+{
+ char const * const month_str[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };
+
+ for(uint8_t i=0; i<12; i++)
+ {
+ if ( strncmp(p_ch, month_str[i], 3) == 0 ) return i+1;
+ }
+
+ return 1;
+}
+
+static inline uint8_t c2i(char ch)
+{
+ return ch - '0';
+}
+
+DWORD get_fattime (void)
+{
+ union {
+ struct {
+ DWORD second : 5;
+ DWORD minute : 6;
+ DWORD hour : 5;
+ DWORD day_in_month : 5;
+ DWORD month : 4;
+ DWORD year : 7;
+ };
+
+ DWORD value;
+ } timestamp;
+
+ //------------- Date is compiled date-------------//
+ char compile_date[] = __DATE__; // eg. "Sep 26 2013"
+ char* p_ch;
+
+ p_ch = strtok (compile_date, " ");
+ timestamp.month = month2number(p_ch);
+
+ p_ch = strtok (NULL, " ");
+ timestamp.day_in_month = 10*c2i(p_ch[0])+ c2i(p_ch[1]);
+
+ p_ch = strtok (NULL, " ");
+ timestamp.year = 1000*c2i(p_ch[0]) + 100*c2i(p_ch[1]) + 10*c2i(p_ch[2]) + c2i(p_ch[3]) - 1980;
+
+ //------------- Time each time this function call --> sec ++ -------------//
+ static uint8_t sec = 0;
+ static uint8_t min = 0;
+ static uint8_t hour = 0;
+
+ if (++sec >= 60)
+ {
+ sec = 0;
+ if (++min >= 60)
+ {
+ min = 0;
+ if (++hour >= 24)
+ {
+ hour = 0; // assume demo wont call this function more than 24*60*60 times
+ }
+ }
+ }
+
+ timestamp.hour = hour;
+ timestamp.minute = min;
+ timestamp.second = sec;
+
+ return timestamp.value;
+}
+
+#endif // CFG_TUH_MSC
diff --git a/lib/fatfs/diskio.h b/lib/fatfs/diskio.h
new file mode 100644
index 0000000..f1f4bd3
--- /dev/null
+++ b/lib/fatfs/diskio.h
@@ -0,0 +1,95 @@
+/*-----------------------------------------------------------------------
+/ Low level disk interface modlue include file (C)ChaN, 2013
+/-----------------------------------------------------------------------*/
+
+#ifndef _DISKIO_DEFINED
+#define _DISKIO_DEFINED
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define _USE_WRITE 1 /* 1: Enable disk_write function */
+#define _USE_IOCTL 1 /* 1: Enable disk_ioctl fucntion */
+
+#include "integer.h"
+#include <stdbool.h>
+
+/* Status of Disk Functions */
+typedef BYTE DSTATUS;
+
+/* Results of Disk Functions */
+typedef enum {
+ RES_OK = 0, /* 0: Successful */
+ RES_ERROR, /* 1: R/W Error */
+ RES_WRPRT, /* 2: Write Protected */
+ RES_NOTRDY, /* 3: Not Ready */
+ RES_PARERR /* 4: Invalid Parameter */
+} DRESULT;
+
+
+/* Disk Status Bits (DSTATUS) */
+#define STA_NOINIT 0x01 /* Drive not initialized */
+#define STA_NODISK 0x02 /* No medium in the drive */
+#define STA_PROTECT 0x04 /* Write protected */
+
+
+/* Command code for disk_ioctrl fucntion */
+
+/* Generic command (used by FatFs) */
+#define CTRL_SYNC 0 /* Flush disk cache (for write functions) */
+#define GET_SECTOR_COUNT 1 /* Get media size (for only f_mkfs()) */
+#define GET_SECTOR_SIZE 2 /* Get sector size (for multiple sector size (_MAX_SS >= 1024)) */
+#define GET_BLOCK_SIZE 3 /* Get erase block size (for only f_mkfs()) */
+#define CTRL_ERASE_SECTOR 4 /* Force erased a block of sectors (for only _USE_ERASE) */
+
+/* Generic command (not used by FatFs) */
+#define CTRL_POWER 5 /* Get/Set power status */
+#define CTRL_LOCK 6 /* Lock/Unlock media removal */
+#define CTRL_EJECT 7 /* Eject media */
+#define CTRL_FORMAT 8 /* Create physical format on the media */
+
+/* MMC/SDC specific ioctl command */
+#define MMC_GET_TYPE 10 /* Get card type */
+#define MMC_GET_CSD 11 /* Get CSD */
+#define MMC_GET_CID 12 /* Get CID */
+#define MMC_GET_OCR 13 /* Get OCR */
+#define MMC_GET_SDSTAT 14 /* Get SD status */
+
+/* ATA/CF specific ioctl command */
+#define ATA_GET_REV 20 /* Get F/W revision */
+#define ATA_GET_MODEL 21 /* Get model name */
+#define ATA_GET_SN 22 /* Get serial number */
+
+
+/* MMC card type flags (MMC_GET_TYPE) */
+#define CT_MMC 0x01 /* MMC ver 3 */
+#define CT_SD1 0x02 /* SD ver 1 */
+#define CT_SD2 0x04 /* SD ver 2 */
+#define CT_SDC (CT_SD1|CT_SD2) /* SD */
+#define CT_BLOCK 0x08 /* Block addressing */
+
+/*---------------------------------------*/
+/* Prototypes for disk control functions */
+
+void diskio_init(void);
+void disk_deinitialize ( BYTE pdrv );
+DSTATUS disk_initialize (BYTE pdrv);
+DSTATUS disk_status (BYTE pdrv);
+DRESULT disk_read (BYTE pdrv, BYTE*buff, DWORD sector, BYTE count);
+DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, BYTE count);
+DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
+
+static inline bool disk_is_ready(BYTE pdrv);
+static inline bool disk_is_ready(BYTE pdrv)
+{
+ return (pdrv < CFG_TUH_DEVICE_MAX) &&
+ ( (disk_status(pdrv) & (STA_NOINIT | STA_NODISK)) == 0 );
+}
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/lib/fatfs/ff.c b/lib/fatfs/ff.c
new file mode 100644
index 0000000..79414af
--- /dev/null
+++ b/lib/fatfs/ff.c
@@ -0,0 +1,4330 @@
+/*----------------------------------------------------------------------------/
+/ FatFs - FAT file system module R0.09b (C)ChaN, 2013
+/-----------------------------------------------------------------------------/
+/ FatFs module is a generic FAT file system module for small embedded systems.
+/ This is a free software that opened for education, research and commercial
+/ developments under license policy of following terms.
+/
+/ Copyright (C) 2013, ChaN, all right reserved.
+/
+/ * The FatFs module is a free software and there is NO WARRANTY.
+/ * No restriction on use. You can use, modify and redistribute it for
+/ personal, non-profit or commercial products UNDER YOUR RESPONSIBILITY.
+/ * Redistributions of source code must retain the above copyright notice.
+/
+/-----------------------------------------------------------------------------/
+/ Feb 26,'06 R0.00 Prototype.
+/
+/ Apr 29,'06 R0.01 First stable version.
+/
+/ Jun 01,'06 R0.02 Added FAT12 support.
+/ Removed unbuffered mode.
+/ Fixed a problem on small (<32M) partition.
+/ Jun 10,'06 R0.02a Added a configuration option (_FS_MINIMUM).
+/
+/ Sep 22,'06 R0.03 Added f_rename().
+/ Changed option _FS_MINIMUM to _FS_MINIMIZE.
+/ Dec 11,'06 R0.03a Improved cluster scan algorithm to write files fast.
+/ Fixed f_mkdir() creates incorrect directory on FAT32.
+/
+/ Feb 04,'07 R0.04 Supported multiple drive system.
+/ Changed some interfaces for multiple drive system.
+/ Changed f_mountdrv() to f_mount().
+/ Added f_mkfs().
+/ Apr 01,'07 R0.04a Supported multiple partitions on a physical drive.
+/ Added a capability of extending file size to f_lseek().
+/ Added minimization level 3.
+/ Fixed an endian sensitive code in f_mkfs().
+/ May 05,'07 R0.04b Added a configuration option _USE_NTFLAG.
+/ Added FSInfo support.
+/ Fixed DBCS name can result FR_INVALID_NAME.
+/ Fixed short seek (<= csize) collapses the file object.
+/
+/ Aug 25,'07 R0.05 Changed arguments of f_read(), f_write() and f_mkfs().
+/ Fixed f_mkfs() on FAT32 creates incorrect FSInfo.
+/ Fixed f_mkdir() on FAT32 creates incorrect directory.
+/ Feb 03,'08 R0.05a Added f_truncate() and f_utime().
+/ Fixed off by one error at FAT sub-type determination.
+/ Fixed btr in f_read() can be mistruncated.
+/ Fixed cached sector is not flushed when create and close without write.
+/
+/ Apr 01,'08 R0.06 Added fputc(), fputs(), fprintf() and fgets().
+/ Improved performance of f_lseek() on moving to the same or following cluster.
+/
+/ Apr 01,'09 R0.07 Merged Tiny-FatFs as a configuration option. (_FS_TINY)
+/ Added long file name feature.
+/ Added multiple code page feature.
+/ Added re-entrancy for multitask operation.
+/ Added auto cluster size selection to f_mkfs().
+/ Added rewind option to f_readdir().
+/ Changed result code of critical errors.
+/ Renamed string functions to avoid name collision.
+/ Apr 14,'09 R0.07a Separated out OS dependent code on reentrant cfg.
+/ Added multiple sector size feature.
+/ Jun 21,'09 R0.07c Fixed f_unlink() can return FR_OK on error.
+/ Fixed wrong cache control in f_lseek().
+/ Added relative path feature.
+/ Added f_chdir() and f_chdrive().
+/ Added proper case conversion to extended char.
+/ Nov 03,'09 R0.07e Separated out configuration options from ff.h to ffconf.h.
+/ Fixed f_unlink() fails to remove a sub-dir on _FS_RPATH.
+/ Fixed name matching error on the 13 char boundary.
+/ Added a configuration option, _LFN_UNICODE.
+/ Changed f_readdir() to return the SFN with always upper case on non-LFN cfg.
+/
+/ May 15,'10 R0.08 Added a memory configuration option. (_USE_LFN = 3)
+/ Added file lock feature. (_FS_SHARE)
+/ Added fast seek feature. (_USE_FASTSEEK)
+/ Changed some types on the API, XCHAR->TCHAR.
+/ Changed fname member in the FILINFO structure on Unicode cfg.
+/ String functions support UTF-8 encoding files on Unicode cfg.
+/ Aug 16,'10 R0.08a Added f_getcwd(). (_FS_RPATH = 2)
+/ Added sector erase feature. (_USE_ERASE)
+/ Moved file lock semaphore table from fs object to the bss.
+/ Fixed a wrong directory entry is created on non-LFN cfg when the given name contains ';'.
+/ Fixed f_mkfs() creates wrong FAT32 volume.
+/ Jan 15,'11 R0.08b Fast seek feature is also applied to f_read() and f_write().
+/ f_lseek() reports required table size on creating CLMP.
+/ Extended format syntax of f_printf function.
+/ Ignores duplicated directory separators in given path name.
+/
+/ Sep 06,'11 R0.09 f_mkfs() supports multiple partition to finish the multiple partition feature.
+/ Added f_fdisk(). (_MULTI_PARTITION = 2)
+/ Aug 27,'12 R0.09a Fixed assertion failure due to OS/2 EA on FAT12/16 volume.
+/ Changed f_open() and f_opendir reject null object pointer to avoid crash.
+/ Changed option name _FS_SHARE to _FS_LOCK.
+/ Jan 24,'13 R0.09b Added f_setlabel() and f_getlabel(). (_USE_LABEL = 1)
+/---------------------------------------------------------------------------*/
+
+#include "ff.h" /* FatFs configurations and declarations */
+#include "diskio.h" /* Declarations of low level disk I/O functions */
+
+#if CFG_TUH_MSC
+/*--------------------------------------------------------------------------
+
+ Module Private Definitions
+
+---------------------------------------------------------------------------*/
+
+#if _FATFS != 82786 /* Revision ID */
+#error Wrong include file (ff.h).
+#endif
+
+
+/* Definitions on sector size */
+#if _MAX_SS != 512 && _MAX_SS != 1024 && _MAX_SS != 2048 && _MAX_SS != 4096
+#error Wrong sector size.
+#endif
+#if _MAX_SS != 512
+#define SS(fs) ((fs)->ssize) /* Variable sector size */
+#else
+#define SS(fs) 512U /* Fixed sector size */
+#endif
+
+
+/* Reentrancy related */
+#if _FS_REENTRANT
+#if _USE_LFN == 1
+#error Static LFN work area must not be used in re-entrant configuration.
+#endif
+#define ENTER_FF(fs) { if (!lock_fs(fs)) return FR_TIMEOUT; }
+#define LEAVE_FF(fs, res) { unlock_fs(fs, res); return res; }
+#else
+#define ENTER_FF(fs)
+#define LEAVE_FF(fs, res) return res
+#endif
+
+#define ABORT(fs, res) { fp->flag |= FA__ERROR; LEAVE_FF(fs, res); }
+
+
+/* File access control feature */
+#if _FS_LOCK
+#if _FS_READONLY
+#error _FS_LOCK must be 0 on read-only cfg.
+#endif
+typedef struct {
+ FATFS *fs; /* File ID 1, volume (NULL:blank entry) */
+ DWORD clu; /* File ID 2, directory */
+ WORD idx; /* File ID 3, directory index */
+ WORD ctr; /* File open counter, 0:none, 0x01..0xFF:read open count, 0x100:write mode */
+} FILESEM;
+#endif
+
+
+
+/* DBCS code ranges and SBCS extend char conversion table */
+
+#if _CODE_PAGE == 932 /* Japanese Shift-JIS */
+#define _DF1S 0x81 /* DBC 1st byte range 1 start */
+#define _DF1E 0x9F /* DBC 1st byte range 1 end */
+#define _DF2S 0xE0 /* DBC 1st byte range 2 start */
+#define _DF2E 0xFC /* DBC 1st byte range 2 end */
+#define _DS1S 0x40 /* DBC 2nd byte range 1 start */
+#define _DS1E 0x7E /* DBC 2nd byte range 1 end */
+#define _DS2S 0x80 /* DBC 2nd byte range 2 start */
+#define _DS2E 0xFC /* DBC 2nd byte range 2 end */
+
+#elif _CODE_PAGE == 936 /* Simplified Chinese GBK */
+#define _DF1S 0x81
+#define _DF1E 0xFE
+#define _DS1S 0x40
+#define _DS1E 0x7E
+#define _DS2S 0x80
+#define _DS2E 0xFE
+
+#elif _CODE_PAGE == 949 /* Korean */
+#define _DF1S 0x81
+#define _DF1E 0xFE
+#define _DS1S 0x41
+#define _DS1E 0x5A
+#define _DS2S 0x61
+#define _DS2E 0x7A
+#define _DS3S 0x81
+#define _DS3E 0xFE
+
+#elif _CODE_PAGE == 950 /* Traditional Chinese Big5 */
+#define _DF1S 0x81
+#define _DF1E 0xFE
+#define _DS1S 0x40
+#define _DS1E 0x7E
+#define _DS2S 0xA1
+#define _DS2E 0xFE
+
+#elif _CODE_PAGE == 437 /* U.S. (OEM) */
+#define _DF1S 0
+#define _EXCVT {0x80,0x9A,0x90,0x41,0x8E,0x41,0x8F,0x80,0x45,0x45,0x45,0x49,0x49,0x49,0x8E,0x8F,0x90,0x92,0x92,0x4F,0x99,0x4F,0x55,0x55,0x59,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+ 0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+ 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 720 /* Arabic (OEM) */
+#define _DF1S 0
+#define _EXCVT {0x80,0x81,0x45,0x41,0x84,0x41,0x86,0x43,0x45,0x45,0x45,0x49,0x49,0x8D,0x8E,0x8F,0x90,0x92,0x92,0x93,0x94,0x95,0x49,0x49,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+ 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+ 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 737 /* Greek (OEM) */
+#define _DF1S 0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x92,0x92,0x93,0x94,0x95,0x96,0x97,0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87, \
+ 0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0xAA,0x92,0x93,0x94,0x95,0x96,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+ 0x97,0xEA,0xEB,0xEC,0xE4,0xED,0xEE,0xE7,0xE8,0xF1,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 775 /* Baltic (OEM) */
+#define _DF1S 0
+#define _EXCVT {0x80,0x9A,0x91,0xA0,0x8E,0x95,0x8F,0x80,0xAD,0xED,0x8A,0x8A,0xA1,0x8D,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0x95,0x96,0x97,0x97,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \
+ 0xA0,0xA1,0xE0,0xA3,0xA3,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xB5,0xB6,0xB7,0xB8,0xBD,0xBE,0xC6,0xC7,0xA5,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+ 0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE3,0xE8,0xE8,0xEA,0xEA,0xEE,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 850 /* Multilingual Latin 1 (OEM) */
+#define _DF1S 0
+#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0xDE,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x59,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \
+ 0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+ 0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE7,0xE9,0xEA,0xEB,0xED,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 852 /* Latin 2 (OEM) */
+#define _DF1S 0
+#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xDE,0x8F,0x80,0x9D,0xD3,0x8A,0x8A,0xD7,0x8D,0x8E,0x8F,0x90,0x91,0x91,0xE2,0x99,0x95,0x95,0x97,0x97,0x99,0x9A,0x9B,0x9B,0x9D,0x9E,0x9F, \
+ 0xB5,0xD6,0xE0,0xE9,0xA4,0xA4,0xA6,0xA6,0xA8,0xA8,0xAA,0x8D,0xAC,0xB8,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBD,0xBF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC6,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD1,0xD1,0xD2,0xD3,0xD2,0xD5,0xD6,0xD7,0xB7,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+ 0xE0,0xE1,0xE2,0xE3,0xE3,0xD5,0xE6,0xE6,0xE8,0xE9,0xE8,0xEB,0xED,0xED,0xDD,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xEB,0xFC,0xFC,0xFE,0xFF}
+
+#elif _CODE_PAGE == 855 /* Cyrillic (OEM) */
+#define _DF1S 0
+#define _EXCVT {0x81,0x81,0x83,0x83,0x85,0x85,0x87,0x87,0x89,0x89,0x8B,0x8B,0x8D,0x8D,0x8F,0x8F,0x91,0x91,0x93,0x93,0x95,0x95,0x97,0x97,0x99,0x99,0x9B,0x9B,0x9D,0x9D,0x9F,0x9F, \
+ 0xA1,0xA1,0xA3,0xA3,0xA5,0xA5,0xA7,0xA7,0xA9,0xA9,0xAB,0xAB,0xAD,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB6,0xB6,0xB8,0xB8,0xB9,0xBA,0xBB,0xBC,0xBE,0xBE,0xBF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD1,0xD1,0xD3,0xD3,0xD5,0xD5,0xD7,0xD7,0xDD,0xD9,0xDA,0xDB,0xDC,0xDD,0xE0,0xDF, \
+ 0xE0,0xE2,0xE2,0xE4,0xE4,0xE6,0xE6,0xE8,0xE8,0xEA,0xEA,0xEC,0xEC,0xEE,0xEE,0xEF,0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF8,0xFA,0xFA,0xFC,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 857 /* Turkish (OEM) */
+#define _DF1S 0
+#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0x98,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x98,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9E, \
+ 0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA6,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+ 0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xDE,0x59,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 858 /* Multilingual Latin 1 + Euro (OEM) */
+#define _DF1S 0
+#define _EXCVT {0x80,0x9A,0x90,0xB6,0x8E,0xB7,0x8F,0x80,0xD2,0xD3,0xD4,0xD8,0xD7,0xDE,0x8E,0x8F,0x90,0x92,0x92,0xE2,0x99,0xE3,0xEA,0xEB,0x59,0x99,0x9A,0x9D,0x9C,0x9D,0x9E,0x9F, \
+ 0xB5,0xD6,0xE0,0xE9,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC7,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD1,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+ 0xE0,0xE1,0xE2,0xE3,0xE5,0xE5,0xE6,0xE7,0xE7,0xE9,0xEA,0xEB,0xED,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 862 /* Hebrew (OEM) */
+#define _DF1S 0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+ 0x41,0x49,0x4F,0x55,0xA5,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0x21,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+ 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 866 /* Russian (OEM) */
+#define _DF1S 0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+ 0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+ 0x90,0x91,0x92,0x93,0x9d,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F,0xF0,0xF0,0xF2,0xF2,0xF4,0xF4,0xF6,0xF6,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 874 /* Thai (OEM, Windows) */
+#define _DF1S 0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+ 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+ 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 1250 /* Central Europe (Windows) */
+#define _DF1S 0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x8A,0x9B,0x8C,0x8D,0x8E,0x8F, \
+ 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xA3,0xB4,0xB5,0xB6,0xB7,0xB8,0xA5,0xAA,0xBB,0xBC,0xBD,0xBC,0xAF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xFF}
+
+#elif _CODE_PAGE == 1251 /* Cyrillic (Windows) */
+#define _DF1S 0
+#define _EXCVT {0x80,0x81,0x82,0x82,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x80,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x8A,0x9B,0x8C,0x8D,0x8E,0x8F, \
+ 0xA0,0xA2,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB2,0xA5,0xB5,0xB6,0xB7,0xA8,0xB9,0xAA,0xBB,0xA3,0xBD,0xBD,0xAF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF}
+
+#elif _CODE_PAGE == 1252 /* Latin 1 (Windows) */
+#define _DF1S 0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0xAd,0x9B,0x8C,0x9D,0xAE,0x9F, \
+ 0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0x9F}
+
+#elif _CODE_PAGE == 1253 /* Greek (Windows) */
+#define _DF1S 0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+ 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xA2,0xB8,0xB9,0xBA, \
+ 0xE0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xF2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xFB,0xBC,0xFD,0xBF,0xFF}
+
+#elif _CODE_PAGE == 1254 /* Turkish (Windows) */
+#define _DF1S 0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x8A,0x9B,0x8C,0x9D,0x9E,0x9F, \
+ 0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0x9F}
+
+#elif _CODE_PAGE == 1255 /* Hebrew (Windows) */
+#define _DF1S 0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+ 0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+ 0xE0,0xE1,0xE2,0xE3,0xE4,0xE5,0xE6,0xE7,0xE8,0xE9,0xEA,0xEB,0xEC,0xED,0xEE,0xEF,0xF0,0xF1,0xF2,0xF3,0xF4,0xF5,0xF6,0xF7,0xF8,0xF9,0xFA,0xFB,0xFC,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 1256 /* Arabic (Windows) */
+#define _DF1S 0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x8C,0x9D,0x9E,0x9F, \
+ 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+ 0x41,0xE1,0x41,0xE3,0xE4,0xE5,0xE6,0x43,0x45,0x45,0x45,0x45,0xEC,0xED,0x49,0x49,0xF0,0xF1,0xF2,0xF3,0x4F,0xF5,0xF6,0xF7,0xF8,0x55,0xFA,0x55,0x55,0xFD,0xFE,0xFF}
+
+#elif _CODE_PAGE == 1257 /* Baltic (Windows) */
+#define _DF1S 0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0x9C,0x9D,0x9E,0x9F, \
+ 0xA0,0xA1,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xA8,0xB9,0xAA,0xBB,0xBC,0xBD,0xBE,0xAF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xFF}
+
+#elif _CODE_PAGE == 1258 /* Vietnam (OEM, Windows) */
+#define _DF1S 0
+#define _EXCVT {0x80,0x81,0x82,0x83,0x84,0x85,0x86,0x87,0x88,0x89,0x8A,0x8B,0x8C,0x8D,0x8E,0x8F,0x90,0x91,0x92,0x93,0x94,0x95,0x96,0x97,0x98,0x99,0x9A,0x9B,0xAC,0x9D,0x9E,0x9F, \
+ 0xA0,0x21,0xA2,0xA3,0xA4,0xA5,0xA6,0xA7,0xA8,0xA9,0xAA,0xAB,0xAC,0xAD,0xAE,0xAF,0xB0,0xB1,0xB2,0xB3,0xB4,0xB5,0xB6,0xB7,0xB8,0xB9,0xBA,0xBB,0xBC,0xBD,0xBE,0xBF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xCC,0xCD,0xCE,0xCF,0xD0,0xD1,0xD2,0xD3,0xD4,0xD5,0xD6,0xD7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xDE,0xDF, \
+ 0xC0,0xC1,0xC2,0xC3,0xC4,0xC5,0xC6,0xC7,0xC8,0xC9,0xCA,0xCB,0xEC,0xCD,0xCE,0xCF,0xD0,0xD1,0xF2,0xD3,0xD4,0xD5,0xD6,0xF7,0xD8,0xD9,0xDA,0xDB,0xDC,0xDD,0xFE,0x9F}
+
+#elif _CODE_PAGE == 1 /* ASCII (for only non-LFN cfg) */
+#if _USE_LFN
+#error Cannot use LFN feature without valid code page.
+#endif
+#define _DF1S 0
+
+#else
+#error Unknown code page
+
+#endif
+
+
+/* Character code support macros */
+#define IsUpper(c) (((c)>='A')&&((c)<='Z'))
+#define IsLower(c) (((c)>='a')&&((c)<='z'))
+#define IsDigit(c) (((c)>='0')&&((c)<='9'))
+
+#if _DF1S /* Code page is DBCS */
+
+#ifdef _DF2S /* Two 1st byte areas */
+#define IsDBCS1(c) (((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E) || ((BYTE)(c) >= _DF2S && (BYTE)(c) <= _DF2E))
+#else /* One 1st byte area */
+#define IsDBCS1(c) ((BYTE)(c) >= _DF1S && (BYTE)(c) <= _DF1E)
+#endif
+
+#ifdef _DS3S /* Three 2nd byte areas */
+#define IsDBCS2(c) (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E) || ((BYTE)(c) >= _DS3S && (BYTE)(c) <= _DS3E))
+#else /* Two 2nd byte areas */
+#define IsDBCS2(c) (((BYTE)(c) >= _DS1S && (BYTE)(c) <= _DS1E) || ((BYTE)(c) >= _DS2S && (BYTE)(c) <= _DS2E))
+#endif
+
+#else /* Code page is SBCS */
+
+#define IsDBCS1(c) 0
+#define IsDBCS2(c) 0
+
+#endif /* _DF1S */
+
+
+/* Name status flags */
+#define NS 11 /* Index of name status byte in fn[] */
+#define NS_LOSS 0x01 /* Out of 8.3 format */
+#define NS_LFN 0x02 /* Force to create LFN entry */
+#define NS_LAST 0x04 /* Last segment */
+#define NS_BODY 0x08 /* Lower case flag (body) */
+#define NS_EXT 0x10 /* Lower case flag (ext) */
+#define NS_DOT 0x20 /* Dot entry */
+
+
+/* FAT sub-type boundaries */
+/* Note that the FAT spec by Microsoft says 4085 but Windows works with 4087! */
+#define MIN_FAT16 4086 /* Minimum number of clusters for FAT16 */
+#define MIN_FAT32 65526 /* Minimum number of clusters for FAT32 */
+
+
+/* FatFs refers the members in the FAT structures as byte array instead of
+/ structure member because the structure is not binary compatible between
+/ different platforms */
+
+#define BS_jmpBoot 0 /* Jump instruction (3) */
+#define BS_OEMName 3 /* OEM name (8) */
+#define BPB_BytsPerSec 11 /* Sector size [byte] (2) */
+#define BPB_SecPerClus 13 /* Cluster size [sector] (1) */
+#define BPB_RsvdSecCnt 14 /* Size of reserved area [sector] (2) */
+#define BPB_NumFATs 16 /* Number of FAT copies (1) */
+#define BPB_RootEntCnt 17 /* Number of root dir entries for FAT12/16 (2) */
+#define BPB_TotSec16 19 /* Volume size [sector] (2) */
+#define BPB_Media 21 /* Media descriptor (1) */
+#define BPB_FATSz16 22 /* FAT size [sector] (2) */
+#define BPB_SecPerTrk 24 /* Track size [sector] (2) */
+#define BPB_NumHeads 26 /* Number of heads (2) */
+#define BPB_HiddSec 28 /* Number of special hidden sectors (4) */
+#define BPB_TotSec32 32 /* Volume size [sector] (4) */
+#define BS_DrvNum 36 /* Physical drive number (2) */
+#define BS_BootSig 38 /* Extended boot signature (1) */
+#define BS_VolID 39 /* Volume serial number (4) */
+#define BS_VolLab 43 /* Volume label (8) */
+#define BS_FilSysType 54 /* File system type (1) */
+#define BPB_FATSz32 36 /* FAT size [sector] (4) */
+#define BPB_ExtFlags 40 /* Extended flags (2) */
+#define BPB_FSVer 42 /* File system version (2) */
+#define BPB_RootClus 44 /* Root dir first cluster (4) */
+#define BPB_FSInfo 48 /* Offset of FSInfo sector (2) */
+#define BPB_BkBootSec 50 /* Offset of backup boot sector (2) */
+#define BS_DrvNum32 64 /* Physical drive number (2) */
+#define BS_BootSig32 66 /* Extended boot signature (1) */
+#define BS_VolID32 67 /* Volume serial number (4) */
+#define BS_VolLab32 71 /* Volume label (8) */
+#define BS_FilSysType32 82 /* File system type (1) */
+#define FSI_LeadSig 0 /* FSI: Leading signature (4) */
+#define FSI_StrucSig 484 /* FSI: Structure signature (4) */
+#define FSI_Free_Count 488 /* FSI: Number of free clusters (4) */
+#define FSI_Nxt_Free 492 /* FSI: Last allocated cluster (4) */
+#define MBR_Table 446 /* MBR: Partition table offset (2) */
+#define SZ_PTE 16 /* MBR: Size of a partition table entry */
+#define BS_55AA 510 /* Boot sector signature (2) */
+
+#define DIR_Name 0 /* Short file name (11) */
+#define DIR_Attr 11 /* Attribute (1) */
+#define DIR_NTres 12 /* NT flag (1) */
+#define DIR_CrtTimeTenth 13 /* Created time sub-second (1) */
+#define DIR_CrtTime 14 /* Created time (2) */
+#define DIR_CrtDate 16 /* Created date (2) */
+#define DIR_LstAccDate 18 /* Last accessed date (2) */
+#define DIR_FstClusHI 20 /* Higher 16-bit of first cluster (2) */
+#define DIR_WrtTime 22 /* Modified time (2) */
+#define DIR_WrtDate 24 /* Modified date (2) */
+#define DIR_FstClusLO 26 /* Lower 16-bit of first cluster (2) */
+#define DIR_FileSize 28 /* File size (4) */
+#define LDIR_Ord 0 /* LFN entry order and LLE flag (1) */
+#define LDIR_Attr 11 /* LFN attribute (1) */
+#define LDIR_Type 12 /* LFN type (1) */
+#define LDIR_Chksum 13 /* Sum of corresponding SFN entry */
+#define LDIR_FstClusLO 26 /* Filled by zero (0) */
+#define SZ_DIR 32 /* Size of a directory entry */
+#define LLE 0x40 /* Last long entry flag in LDIR_Ord */
+#define DDE 0xE5 /* Deleted directory entry mark in DIR_Name[0] */
+#define NDDE 0x05 /* Replacement of the character collides with DDE */
+
+
+/*------------------------------------------------------------*/
+/* Module private work area */
+/*------------------------------------------------------------*/
+/* Note that uninitialized variables with static duration are
+/ zeroed/nulled at start-up. If not, the compiler or start-up
+/ routine is out of ANSI-C standard.
+*/
+
+#if _VOLUMES
+static
+FATFS *FatFs[_VOLUMES]; /* Pointer to the file system objects (logical drives) */
+#else
+#error Number of volumes must not be 0.
+#endif
+
+static
+WORD Fsid; /* File system mount ID */
+
+#if _FS_RPATH
+static
+BYTE CurrVol; /* Current drive */
+#endif
+
+#if _FS_LOCK
+static
+FILESEM Files[_FS_LOCK]; /* File lock semaphores */
+#endif
+
+#if _USE_LFN == 0 /* No LFN feature */
+#define DEF_NAMEBUF BYTE sfn[12]
+#define INIT_BUF(dobj) (dobj).fn = sfn
+#define FREE_BUF()
+
+#elif _USE_LFN == 1 /* LFN feature with static working buffer */
+static WCHAR LfnBuf[_MAX_LFN+1];
+#define DEF_NAMEBUF BYTE sfn[12]
+#define INIT_BUF(dobj) { (dobj).fn = sfn; (dobj).lfn = LfnBuf; }
+#define FREE_BUF()
+
+#elif _USE_LFN == 2 /* LFN feature with dynamic working buffer on the stack */
+#define DEF_NAMEBUF BYTE sfn[12]; WCHAR lbuf[_MAX_LFN+1]
+#define INIT_BUF(dobj) { (dobj).fn = sfn; (dobj).lfn = lbuf; }
+#define FREE_BUF()
+
+#elif _USE_LFN == 3 /* LFN feature with dynamic working buffer on the heap */
+#define DEF_NAMEBUF BYTE sfn[12]; WCHAR *lfn
+#define INIT_BUF(dobj) { lfn = ff_memalloc((_MAX_LFN + 1) * 2); \
+ if (!lfn) LEAVE_FF((dobj).fs, FR_NOT_ENOUGH_CORE); \
+ (dobj).lfn = lfn; (dobj).fn = sfn; }
+#define FREE_BUF() ff_memfree(lfn)
+
+#else
+#error Wrong LFN configuration.
+#endif
+
+
+#ifdef _EXCVT
+static
+const BYTE ExCvt[] = _EXCVT; /* Upper conversion table for extended chars */
+#endif
+
+
+
+
+
+
+/*--------------------------------------------------------------------------
+
+ Module Private Functions
+
+---------------------------------------------------------------------------*/
+
+
+/*-----------------------------------------------------------------------*/
+/* String functions */
+/*-----------------------------------------------------------------------*/
+
+/* Copy memory to memory */
+static
+void mem_cpy (void* dst, const void* src, UINT cnt) {
+ BYTE *d = (BYTE*)dst;
+ const BYTE *s = (const BYTE*)src;
+
+#if _WORD_ACCESS == 1
+ while (cnt >= sizeof (int)) {
+ *(int*)d = *(int*)s;
+ d += sizeof (int); s += sizeof (int);
+ cnt -= sizeof (int);
+ }
+#endif
+ while (cnt--)
+ *d++ = *s++;
+}
+
+/* Fill memory */
+static
+void mem_set (void* dst, int val, UINT cnt) {
+ BYTE *d = (BYTE*)dst;
+
+ while (cnt--)
+ *d++ = (BYTE)val;
+}
+
+/* Compare memory to memory */
+static
+int mem_cmp (const void* dst, const void* src, UINT cnt) {
+ const BYTE *d = (const BYTE *)dst, *s = (const BYTE *)src;
+ int r = 0;
+
+ while (cnt-- && (r = *d++ - *s++) == 0) ;
+ return r;
+}
+
+/* Check if chr is contained in the string */
+static
+int chk_chr (const char* str, int chr) {
+ while (*str && *str != chr) str++;
+ return *str;
+}
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Request/Release grant to access the volume */
+/*-----------------------------------------------------------------------*/
+#if _FS_REENTRANT
+
+static
+int lock_fs (
+ FATFS *fs /* File system object */
+)
+{
+ return ff_req_grant(fs->sobj);
+}
+
+
+static
+void unlock_fs (
+ FATFS *fs, /* File system object */
+ FRESULT res /* Result code to be returned */
+)
+{
+ if (fs &&
+ res != FR_NOT_ENABLED &&
+ res != FR_INVALID_DRIVE &&
+ res != FR_INVALID_OBJECT &&
+ res != FR_TIMEOUT) {
+ ff_rel_grant(fs->sobj);
+ }
+}
+#endif
+
+
+
+/*-----------------------------------------------------------------------*/
+/* File lock control functions */
+/*-----------------------------------------------------------------------*/
+#if _FS_LOCK
+
+static
+FRESULT chk_lock ( /* Check if the file can be accessed */
+ DIR* dj, /* Directory object pointing the file to be checked */
+ int acc /* Desired access (0:Read, 1:Write, 2:Delete/Rename) */
+)
+{
+ UINT i, be;
+
+ /* Search file semaphore table */
+ for (i = be = 0; i < _FS_LOCK; i++) {
+ if (Files[i].fs) { /* Existing entry */
+ if (Files[i].fs == dj->fs && /* Check if the file matched with an open file */
+ Files[i].clu == dj->sclust &&
+ Files[i].idx == dj->index) break;
+ } else { /* Blank entry */
+ be++;
+ }
+ }
+ if (i == _FS_LOCK) /* The file is not opened */
+ return (be || acc == 2) ? FR_OK : FR_TOO_MANY_OPEN_FILES; /* Is there a blank entry for new file? */
+
+ /* The file has been opened. Reject any open against writing file and all write mode open */
+ return (acc || Files[i].ctr == 0x100) ? FR_LOCKED : FR_OK;
+}
+
+
+static
+int enq_lock (void) /* Check if an entry is available for a new file */
+{
+ UINT i;
+
+ for (i = 0; i < _FS_LOCK && Files[i].fs; i++) ;
+ return (i == _FS_LOCK) ? 0 : 1;
+}
+
+
+static
+UINT inc_lock ( /* Increment file open counter and returns its index (0:int error) */
+ DIR* dj, /* Directory object pointing the file to register or increment */
+ int acc /* Desired access mode (0:Read, !0:Write) */
+)
+{
+ UINT i;
+
+
+ for (i = 0; i < _FS_LOCK; i++) { /* Find the file */
+ if (Files[i].fs == dj->fs &&
+ Files[i].clu == dj->sclust &&
+ Files[i].idx == dj->index) break;
+ }
+
+ if (i == _FS_LOCK) { /* Not opened. Register it as new. */
+ for (i = 0; i < _FS_LOCK && Files[i].fs; i++) ;
+ if (i == _FS_LOCK) return 0; /* No space to register (int err) */
+ Files[i].fs = dj->fs;
+ Files[i].clu = dj->sclust;
+ Files[i].idx = dj->index;
+ Files[i].ctr = 0;
+ }
+
+ if (acc && Files[i].ctr) return 0; /* Access violation (int err) */
+
+ Files[i].ctr = acc ? 0x100 : Files[i].ctr + 1; /* Set semaphore value */
+
+ return i + 1;
+}
+
+
+static
+FRESULT dec_lock ( /* Decrement file open counter */
+ UINT i /* Semaphore index */
+)
+{
+ WORD n;
+ FRESULT res;
+
+
+ if (--i < _FS_LOCK) {
+ n = Files[i].ctr;
+ if (n == 0x100) n = 0;
+ if (n) n--;
+ Files[i].ctr = n;
+ if (!n) Files[i].fs = 0;
+ res = FR_OK;
+ } else {
+ res = FR_INT_ERR;
+ }
+ return res;
+}
+
+
+static
+void clear_lock ( /* Clear lock entries of the volume */
+ FATFS *fs
+)
+{
+ UINT i;
+
+ for (i = 0; i < _FS_LOCK; i++) {
+ if (Files[i].fs == fs) Files[i].fs = 0;
+ }
+}
+#endif
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Move/Flush disk access window */
+/*-----------------------------------------------------------------------*/
+
+
+#if !_FS_READONLY
+static
+FRESULT sync_window (
+ FATFS *fs /* File system object */
+)
+{
+ DWORD wsect;
+ UINT nf;
+
+
+ if (fs->wflag) { /* Write back the sector if it is dirty */
+ wsect = fs->winsect; /* Current sector number */
+ if (disk_write(fs->drv, fs->win, wsect, 1) != RES_OK)
+ return FR_DISK_ERR;
+ fs->wflag = 0;
+ if (wsect >= fs->fatbase && wsect < (fs->fatbase + fs->fsize)) { /* In FAT area? */
+ for (nf = fs->n_fats; nf >= 2; nf--) { /* Reflect the change to all FAT copies */
+ wsect += fs->fsize;
+ disk_write(fs->drv, fs->win, wsect, 1);
+ }
+ }
+ }
+ return FR_OK;
+}
+#endif
+
+
+static
+FRESULT move_window (
+ FATFS *fs, /* File system object */
+ DWORD sector /* Sector number to make appearance in the fs->win[] */
+)
+{
+ if (sector != fs->winsect) { /* Changed current window */
+#if !_FS_READONLY
+ if (sync_window(fs) != FR_OK)
+ return FR_DISK_ERR;
+#endif
+ if (disk_read(fs->drv, fs->win, sector, 1) != RES_OK)
+ return FR_DISK_ERR;
+ fs->winsect = sector;
+ }
+
+ return FR_OK;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Synchronize file system and strage device */
+/*-----------------------------------------------------------------------*/
+#if !_FS_READONLY
+static
+FRESULT sync_fs ( /* FR_OK: successful, FR_DISK_ERR: failed */
+ FATFS *fs /* File system object */
+)
+{
+ FRESULT res;
+
+
+ res = sync_window(fs);
+ if (res == FR_OK) {
+ /* Update FSInfo sector if needed */
+ if (fs->fs_type == FS_FAT32 && fs->fsi_flag) {
+ fs->winsect = 0;
+ /* Create FSInfo structure */
+ mem_set(fs->win, 0, 512);
+ ST_WORD(fs->win+BS_55AA, 0xAA55);
+ ST_DWORD(fs->win+FSI_LeadSig, 0x41615252);
+ ST_DWORD(fs->win+FSI_StrucSig, 0x61417272);
+ ST_DWORD(fs->win+FSI_Free_Count, fs->free_clust);
+ ST_DWORD(fs->win+FSI_Nxt_Free, fs->last_clust);
+ /* Write it into the FSInfo sector */
+ disk_write(fs->drv, fs->win, fs->fsi_sector, 1);
+ fs->fsi_flag = 0;
+ }
+ /* Make sure that no pending write process in the physical drive */
+ if (disk_ioctl(fs->drv, CTRL_SYNC, 0) != RES_OK)
+ res = FR_DISK_ERR;
+ }
+
+ return res;
+}
+#endif
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Get sector# from cluster# */
+/*-----------------------------------------------------------------------*/
+
+
+DWORD clust2sect ( /* !=0: Sector number, 0: Failed - invalid cluster# */
+ FATFS *fs, /* File system object */
+ DWORD clst /* Cluster# to be converted */
+)
+{
+ clst -= 2;
+ if (clst >= (fs->n_fatent - 2)) return 0; /* Invalid cluster# */
+ return clst * fs->csize + fs->database;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* FAT access - Read value of a FAT entry */
+/*-----------------------------------------------------------------------*/
+
+
+DWORD get_fat ( /* 0xFFFFFFFF:Disk error, 1:Internal error, Else:Cluster status */
+ FATFS *fs, /* File system object */
+ DWORD clst /* Cluster# to get the link information */
+)
+{
+ UINT wc, bc;
+ BYTE *p;
+
+
+ if (clst < 2 || clst >= fs->n_fatent) /* Check range */
+ return 1;
+
+ switch (fs->fs_type) {
+ case FS_FAT12 :
+ bc = (UINT)clst; bc += bc / 2;
+ if (move_window(fs, fs->fatbase + (bc / SS(fs)))) break;
+ wc = fs->win[bc % SS(fs)]; bc++;
+ if (move_window(fs, fs->fatbase + (bc / SS(fs)))) break;
+ wc |= fs->win[bc % SS(fs)] << 8;
+ return (clst & 1) ? (wc >> 4) : (wc & 0xFFF);
+
+ case FS_FAT16 :
+ if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 2)))) break;
+ p = &fs->win[clst * 2 % SS(fs)];
+ return LD_WORD(p);
+
+ case FS_FAT32 :
+ if (move_window(fs, fs->fatbase + (clst / (SS(fs) / 4)))) break;
+ p = &fs->win[clst * 4 % SS(fs)];
+ return LD_DWORD(p) & 0x0FFFFFFF;
+ }
+
+ return 0xFFFFFFFF; /* An error occurred at the disk I/O layer */
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* FAT access - Change value of a FAT entry */
+/*-----------------------------------------------------------------------*/
+#if !_FS_READONLY
+
+FRESULT put_fat (
+ FATFS *fs, /* File system object */
+ DWORD clst, /* Cluster# to be changed in range of 2 to fs->n_fatent - 1 */
+ DWORD val /* New value to mark the cluster */
+)
+{
+ UINT bc;
+ BYTE *p;
+ FRESULT res;
+
+
+ if (clst < 2 || clst >= fs->n_fatent) { /* Check range */
+ res = FR_INT_ERR;
+
+ } else {
+ switch (fs->fs_type) {
+ case FS_FAT12 :
+ bc = (UINT)clst; bc += bc / 2;
+ res = move_window(fs, fs->fatbase + (bc / SS(fs)));
+ if (res != FR_OK) break;
+ p = &fs->win[bc % SS(fs)];
+ *p = (clst & 1) ? ((*p & 0x0F) | ((BYTE)val << 4)) : (BYTE)val;
+ bc++;
+ fs->wflag = 1;
+ res = move_window(fs, fs->fatbase + (bc / SS(fs)));
+ if (res != FR_OK) break;
+ p = &fs->win[bc % SS(fs)];
+ *p = (clst & 1) ? (BYTE)(val >> 4) : ((*p & 0xF0) | ((BYTE)(val >> 8) & 0x0F));
+ break;
+
+ case FS_FAT16 :
+ res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 2)));
+ if (res != FR_OK) break;
+ p = &fs->win[clst * 2 % SS(fs)];
+ ST_WORD(p, (WORD)val);
+ break;
+
+ case FS_FAT32 :
+ res = move_window(fs, fs->fatbase + (clst / (SS(fs) / 4)));
+ if (res != FR_OK) break;
+ p = &fs->win[clst * 4 % SS(fs)];
+ val |= LD_DWORD(p) & 0xF0000000;
+ ST_DWORD(p, val);
+ break;
+
+ default :
+ res = FR_INT_ERR;
+ }
+ fs->wflag = 1;
+ }
+
+ return res;
+}
+#endif /* !_FS_READONLY */
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* FAT handling - Remove a cluster chain */
+/*-----------------------------------------------------------------------*/
+#if !_FS_READONLY
+static
+FRESULT remove_chain (
+ FATFS *fs, /* File system object */
+ DWORD clst /* Cluster# to remove a chain from */
+)
+{
+ FRESULT res;
+ DWORD nxt;
+#if _USE_ERASE
+ DWORD scl = clst, ecl = clst, rt[2];
+#endif
+
+ if (clst < 2 || clst >= fs->n_fatent) { /* Check range */
+ res = FR_INT_ERR;
+
+ } else {
+ res = FR_OK;
+ while (clst < fs->n_fatent) { /* Not a last link? */
+ nxt = get_fat(fs, clst); /* Get cluster status */
+ if (nxt == 0) break; /* Empty cluster? */
+ if (nxt == 1) { res = FR_INT_ERR; break; } /* Internal error? */
+ if (nxt == 0xFFFFFFFF) { res = FR_DISK_ERR; break; } /* Disk error? */
+ res = put_fat(fs, clst, 0); /* Mark the cluster "empty" */
+ if (res != FR_OK) break;
+ if (fs->free_clust != 0xFFFFFFFF) { /* Update FSInfo */
+ fs->free_clust++;
+ fs->fsi_flag = 1;
+ }
+#if _USE_ERASE
+ if (ecl + 1 == nxt) { /* Is next cluster contiguous? */
+ ecl = nxt;
+ } else { /* End of contiguous clusters */
+ rt[0] = clust2sect(fs, scl); /* Start sector */
+ rt[1] = clust2sect(fs, ecl) + fs->csize - 1; /* End sector */
+ disk_ioctl(fs->drv, CTRL_ERASE_SECTOR, rt); /* Erase the block */
+ scl = ecl = nxt;
+ }
+#endif
+ clst = nxt; /* Next cluster */
+ }
+ }
+
+ return res;
+}
+#endif
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* FAT handling - Stretch or Create a cluster chain */
+/*-----------------------------------------------------------------------*/
+#if !_FS_READONLY
+static
+DWORD create_chain ( /* 0:No free cluster, 1:Internal error, 0xFFFFFFFF:Disk error, >=2:New cluster# */
+ FATFS *fs, /* File system object */
+ DWORD clst /* Cluster# to stretch. 0 means create a new chain. */
+)
+{
+ DWORD cs, ncl, scl;
+ FRESULT res;
+
+
+ if (clst == 0) { /* Create a new chain */
+ scl = fs->last_clust; /* Get suggested start point */
+ if (!scl || scl >= fs->n_fatent) scl = 1;
+ }
+ else { /* Stretch the current chain */
+ cs = get_fat(fs, clst); /* Check the cluster status */
+ if (cs < 2) return 1; /* It is an invalid cluster */
+ if (cs < fs->n_fatent) return cs; /* It is already followed by next cluster */
+ scl = clst;
+ }
+
+ ncl = scl; /* Start cluster */
+ for (;;) {
+ ncl++; /* Next cluster */
+ if (ncl >= fs->n_fatent) { /* Wrap around */
+ ncl = 2;
+ if (ncl > scl) return 0; /* No free cluster */
+ }
+ cs = get_fat(fs, ncl); /* Get the cluster status */
+ if (cs == 0) break; /* Found a free cluster */
+ if (cs == 0xFFFFFFFF || cs == 1)/* An error occurred */
+ return cs;
+ if (ncl == scl) return 0; /* No free cluster */
+ }
+
+ res = put_fat(fs, ncl, 0x0FFFFFFF); /* Mark the new cluster "last link" */
+ if (res == FR_OK && clst != 0) {
+ res = put_fat(fs, clst, ncl); /* Link it to the previous one if needed */
+ }
+ if (res == FR_OK) {
+ fs->last_clust = ncl; /* Update FSINFO */
+ if (fs->free_clust != 0xFFFFFFFF) {
+ fs->free_clust--;
+ fs->fsi_flag = 1;
+ }
+ } else {
+ ncl = (res == FR_DISK_ERR) ? 0xFFFFFFFF : 1;
+ }
+
+ return ncl; /* Return new cluster number or error code */
+}
+#endif /* !_FS_READONLY */
+
+
+
+/*-----------------------------------------------------------------------*/
+/* FAT handling - Convert offset into cluster with link map table */
+/*-----------------------------------------------------------------------*/
+
+#if _USE_FASTSEEK
+static
+DWORD clmt_clust ( /* <2:Error, >=2:Cluster number */
+ FIL* fp, /* Pointer to the file object */
+ DWORD ofs /* File offset to be converted to cluster# */
+)
+{
+ DWORD cl, ncl, *tbl;
+
+
+ tbl = fp->cltbl + 1; /* Top of CLMT */
+ cl = ofs / SS(fp->fs) / fp->fs->csize; /* Cluster order from top of the file */
+ for (;;) {
+ ncl = *tbl++; /* Number of cluters in the fragment */
+ if (!ncl) return 0; /* End of table? (error) */
+ if (cl < ncl) break; /* In this fragment? */
+ cl -= ncl; tbl++; /* Next fragment */
+ }
+ return cl + *tbl; /* Return the cluster number */
+}
+#endif /* _USE_FASTSEEK */
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Directory handling - Set directory index */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT dir_sdi (
+ DIR *dj, /* Pointer to directory object */
+ WORD idx /* Index of directory table */
+)
+{
+ DWORD clst;
+ WORD ic;
+
+
+ dj->index = idx;
+ clst = dj->sclust;
+ if (clst == 1 || clst >= dj->fs->n_fatent) /* Check start cluster range */
+ return FR_INT_ERR;
+ if (!clst && dj->fs->fs_type == FS_FAT32) /* Replace cluster# 0 with root cluster# if in FAT32 */
+ clst = dj->fs->dirbase;
+
+ if (clst == 0) { /* Static table (root-dir in FAT12/16) */
+ dj->clust = clst;
+ if (idx >= dj->fs->n_rootdir) /* Index is out of range */
+ return FR_INT_ERR;
+ dj->sect = dj->fs->dirbase + idx / (SS(dj->fs) / SZ_DIR); /* Sector# */
+ }
+ else { /* Dynamic table (sub-dirs or root-dir in FAT32) */
+ ic = SS(dj->fs) / SZ_DIR * dj->fs->csize; /* Entries per cluster */
+ while (idx >= ic) { /* Follow cluster chain */
+ clst = get_fat(dj->fs, clst); /* Get next cluster */
+ if (clst == 0xFFFFFFFF) return FR_DISK_ERR; /* Disk error */
+ if (clst < 2 || clst >= dj->fs->n_fatent) /* Reached to end of table or int error */
+ return FR_INT_ERR;
+ idx -= ic;
+ }
+ dj->clust = clst;
+ dj->sect = clust2sect(dj->fs, clst) + idx / (SS(dj->fs) / SZ_DIR); /* Sector# */
+ }
+
+ dj->dir = dj->fs->win + (idx % (SS(dj->fs) / SZ_DIR)) * SZ_DIR; /* Ptr to the entry in the sector */
+
+ return FR_OK; /* Seek succeeded */
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Directory handling - Move directory table index next */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT dir_next ( /* FR_OK:Succeeded, FR_NO_FILE:End of table, FR_DENIED:Could not stretch */
+ DIR *dj, /* Pointer to the directory object */
+ int stretch /* 0: Do not stretch table, 1: Stretch table if needed */
+)
+{
+ DWORD clst;
+ WORD i;
+
+
+ stretch = stretch; /* To suppress warning on read-only cfg. */
+ i = dj->index + 1;
+ if (!i || !dj->sect) /* Report EOT when index has reached 65535 */
+ return FR_NO_FILE;
+
+ if (!(i % (SS(dj->fs) / SZ_DIR))) { /* Sector changed? */
+ dj->sect++; /* Next sector */
+
+ if (dj->clust == 0) { /* Static table */
+ if (i >= dj->fs->n_rootdir) /* Report EOT when end of table */
+ return FR_NO_FILE;
+ }
+ else { /* Dynamic table */
+ if (((i / (SS(dj->fs) / SZ_DIR)) & (dj->fs->csize - 1)) == 0) { /* Cluster changed? */
+ clst = get_fat(dj->fs, dj->clust); /* Get next cluster */
+ if (clst <= 1) return FR_INT_ERR;
+ if (clst == 0xFFFFFFFF) return FR_DISK_ERR;
+ if (clst >= dj->fs->n_fatent) { /* When it reached end of dynamic table */
+#if !_FS_READONLY
+ BYTE c;
+ if (!stretch) return FR_NO_FILE; /* When do not stretch, report EOT */
+ clst = create_chain(dj->fs, dj->clust); /* Stretch cluster chain */
+ if (clst == 0) return FR_DENIED; /* No free cluster */
+ if (clst == 1) return FR_INT_ERR;
+ if (clst == 0xFFFFFFFF) return FR_DISK_ERR;
+ /* Clean-up stretched table */
+ if (sync_window(dj->fs)) return FR_DISK_ERR; /* Flush active window */
+ mem_set(dj->fs->win, 0, SS(dj->fs)); /* Clear window buffer */
+ dj->fs->winsect = clust2sect(dj->fs, clst); /* Cluster start sector */
+ for (c = 0; c < dj->fs->csize; c++) { /* Fill the new cluster with 0 */
+ dj->fs->wflag = 1;
+ if (sync_window(dj->fs)) return FR_DISK_ERR;
+ dj->fs->winsect++;
+ }
+ dj->fs->winsect -= c; /* Rewind window address */
+#else
+ return FR_NO_FILE; /* Report EOT */
+#endif
+ }
+ dj->clust = clst; /* Initialize data for new cluster */
+ dj->sect = clust2sect(dj->fs, clst);
+ }
+ }
+ }
+
+ dj->index = i;
+ dj->dir = dj->fs->win + (i % (SS(dj->fs) / SZ_DIR)) * SZ_DIR;
+
+ return FR_OK;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Directory handling - Reserve directory entry */
+/*-----------------------------------------------------------------------*/
+
+#if !_FS_READONLY
+static
+FRESULT dir_alloc (
+ DIR* dj, /* Pointer to the directory object */
+ UINT nent /* Number of contiguous entries to allocate (1-21) */
+)
+{
+ FRESULT res;
+ UINT n;
+
+
+ res = dir_sdi(dj, 0);
+ if (res == FR_OK) {
+ n = 0;
+ do {
+ res = move_window(dj->fs, dj->sect);
+ if (res != FR_OK) break;
+ if (dj->dir[0] == DDE || dj->dir[0] == 0) { /* Is it a blank entry? */
+ if (++n == nent) break; /* A block of contiguous entry is found */
+ } else {
+ n = 0; /* Not a blank entry. Restart to search */
+ }
+ res = dir_next(dj, 1); /* Next entry with table stretch enabled */
+ } while (res == FR_OK);
+ }
+ return res;
+}
+#endif
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Directory handling - Load/Store start cluster number */
+/*-----------------------------------------------------------------------*/
+
+static
+DWORD ld_clust (
+ FATFS *fs, /* Pointer to the fs object */
+ BYTE *dir /* Pointer to the directory entry */
+)
+{
+ DWORD cl;
+
+ cl = LD_WORD(dir+DIR_FstClusLO);
+ if (fs->fs_type == FS_FAT32)
+ cl |= (DWORD)LD_WORD(dir+DIR_FstClusHI) << 16;
+
+ return cl;
+}
+
+
+#if !_FS_READONLY
+static
+void st_clust (
+ BYTE *dir, /* Pointer to the directory entry */
+ DWORD cl /* Value to be set */
+)
+{
+ ST_WORD(dir+DIR_FstClusLO, cl);
+ ST_WORD(dir+DIR_FstClusHI, cl >> 16);
+}
+#endif
+
+
+
+/*-----------------------------------------------------------------------*/
+/* LFN handling - Test/Pick/Fit an LFN segment from/to directory entry */
+/*-----------------------------------------------------------------------*/
+#if _USE_LFN
+static
+const BYTE LfnOfs[] = {1,3,5,7,9,14,16,18,20,22,24,28,30}; /* Offset of LFN chars in the directory entry */
+
+
+static
+int cmp_lfn ( /* 1:Matched, 0:Not matched */
+ WCHAR *lfnbuf, /* Pointer to the LFN to be compared */
+ BYTE *dir /* Pointer to the directory entry containing a part of LFN */
+)
+{
+ UINT i, s;
+ WCHAR wc, uc;
+
+
+ i = ((dir[LDIR_Ord] & ~LLE) - 1) * 13; /* Get offset in the LFN buffer */
+ s = 0; wc = 1;
+ do {
+ uc = LD_WORD(dir+LfnOfs[s]); /* Pick an LFN character from the entry */
+ if (wc) { /* Last char has not been processed */
+ wc = ff_wtoupper(uc); /* Convert it to upper case */
+ if (i >= _MAX_LFN || wc != ff_wtoupper(lfnbuf[i++])) /* Compare it */
+ return 0; /* Not matched */
+ } else {
+ if (uc != 0xFFFF) return 0; /* Check filler */
+ }
+ } while (++s < 13); /* Repeat until all chars in the entry are checked */
+
+ if ((dir[LDIR_Ord] & LLE) && wc && lfnbuf[i]) /* Last segment matched but different length */
+ return 0;
+
+ return 1; /* The part of LFN matched */
+}
+
+
+
+static
+int pick_lfn ( /* 1:Succeeded, 0:Buffer overflow */
+ WCHAR *lfnbuf, /* Pointer to the Unicode-LFN buffer */
+ BYTE *dir /* Pointer to the directory entry */
+)
+{
+ UINT i, s;
+ WCHAR wc, uc;
+
+
+ i = ((dir[LDIR_Ord] & 0x3F) - 1) * 13; /* Offset in the LFN buffer */
+
+ s = 0; wc = 1;
+ do {
+ uc = LD_WORD(dir+LfnOfs[s]); /* Pick an LFN character from the entry */
+ if (wc) { /* Last char has not been processed */
+ if (i >= _MAX_LFN) return 0; /* Buffer overflow? */
+ lfnbuf[i++] = wc = uc; /* Store it */
+ } else {
+ if (uc != 0xFFFF) return 0; /* Check filler */
+ }
+ } while (++s < 13); /* Read all character in the entry */
+
+ if (dir[LDIR_Ord] & LLE) { /* Put terminator if it is the last LFN part */
+ if (i >= _MAX_LFN) return 0; /* Buffer overflow? */
+ lfnbuf[i] = 0;
+ }
+
+ return 1;
+}
+
+
+#if !_FS_READONLY
+static
+void fit_lfn (
+ const WCHAR *lfnbuf, /* Pointer to the LFN buffer */
+ BYTE *dir, /* Pointer to the directory entry */
+ BYTE ord, /* LFN order (1-20) */
+ BYTE sum /* SFN sum */
+)
+{
+ UINT i, s;
+ WCHAR wc;
+
+
+ dir[LDIR_Chksum] = sum; /* Set check sum */
+ dir[LDIR_Attr] = AM_LFN; /* Set attribute. LFN entry */
+ dir[LDIR_Type] = 0;
+ ST_WORD(dir+LDIR_FstClusLO, 0);
+
+ i = (ord - 1) * 13; /* Get offset in the LFN buffer */
+ s = wc = 0;
+ do {
+ if (wc != 0xFFFF) wc = lfnbuf[i++]; /* Get an effective char */
+ ST_WORD(dir+LfnOfs[s], wc); /* Put it */
+ if (!wc) wc = 0xFFFF; /* Padding chars following last char */
+ } while (++s < 13);
+ if (wc == 0xFFFF || !lfnbuf[i]) ord |= LLE; /* Bottom LFN part is the start of LFN sequence */
+ dir[LDIR_Ord] = ord; /* Set the LFN order */
+}
+
+#endif
+#endif
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Create numbered name */
+/*-----------------------------------------------------------------------*/
+#if _USE_LFN
+void gen_numname (
+ BYTE *dst, /* Pointer to generated SFN */
+ const BYTE *src, /* Pointer to source SFN to be modified */
+ const WCHAR *lfn, /* Pointer to LFN */
+ WORD seq /* Sequence number */
+)
+{
+ BYTE ns[8], c;
+ UINT i, j;
+
+
+ mem_cpy(dst, src, 11);
+
+ if (seq > 5) { /* On many collisions, generate a hash number instead of sequential number */
+ do seq = (seq >> 1) + (seq << 15) + (WORD)*lfn++; while (*lfn);
+ }
+
+ /* itoa (hexdecimal) */
+ i = 7;
+ do {
+ c = (seq % 16) + '0';
+ if (c > '9') c += 7;
+ ns[i--] = c;
+ seq /= 16;
+ } while (seq);
+ ns[i] = '~';
+
+ /* Append the number */
+ for (j = 0; j < i && dst[j] != ' '; j++) {
+ if (IsDBCS1(dst[j])) {
+ if (j == i - 1) break;
+ j++;
+ }
+ }
+ do {
+ dst[j++] = (i < 8) ? ns[i++] : ' ';
+ } while (j < 8);
+}
+#endif
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Calculate sum of an SFN */
+/*-----------------------------------------------------------------------*/
+#if _USE_LFN
+static
+BYTE sum_sfn (
+ const BYTE *dir /* Ptr to directory entry */
+)
+{
+ BYTE sum = 0;
+ UINT n = 11;
+
+ do sum = (sum >> 1) + (sum << 7) + *dir++; while (--n);
+ return sum;
+}
+#endif
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Directory handling - Find an object in the directory */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT dir_find (
+ DIR *dj /* Pointer to the directory object linked to the file name */
+)
+{
+ FRESULT res;
+ BYTE c, *dir;
+#if _USE_LFN
+ BYTE a, ord, sum;
+#endif
+
+ res = dir_sdi(dj, 0); /* Rewind directory object */
+ if (res != FR_OK) return res;
+
+#if _USE_LFN
+ ord = sum = 0xFF;
+#endif
+ do {
+ res = move_window(dj->fs, dj->sect);
+ if (res != FR_OK) break;
+ dir = dj->dir; /* Ptr to the directory entry of current index */
+ c = dir[DIR_Name];
+ if (c == 0) { res = FR_NO_FILE; break; } /* Reached to end of table */
+#if _USE_LFN /* LFN configuration */
+ a = dir[DIR_Attr] & AM_MASK;
+ if (c == DDE || ((a & AM_VOL) && a != AM_LFN)) { /* An entry without valid data */
+ ord = 0xFF;
+ } else {
+ if (a == AM_LFN) { /* An LFN entry is found */
+ if (dj->lfn) {
+ if (c & LLE) { /* Is it start of LFN sequence? */
+ sum = dir[LDIR_Chksum];
+ c &= ~LLE; ord = c; /* LFN start order */
+ dj->lfn_idx = dj->index;
+ }
+ /* Check validity of the LFN entry and compare it with given name */
+ ord = (c == ord && sum == dir[LDIR_Chksum] && cmp_lfn(dj->lfn, dir)) ? ord - 1 : 0xFF;
+ }
+ } else { /* An SFN entry is found */
+ if (!ord && sum == sum_sfn(dir)) break; /* LFN matched? */
+ ord = 0xFF; dj->lfn_idx = 0xFFFF; /* Reset LFN sequence */
+ if (!(dj->fn[NS] & NS_LOSS) && !mem_cmp(dir, dj->fn, 11)) break; /* SFN matched? */
+ }
+ }
+#else /* Non LFN configuration */
+ if (!(dir[DIR_Attr] & AM_VOL) && !mem_cmp(dir, dj->fn, 11)) /* Is it a valid entry? */
+ break;
+#endif
+ res = dir_next(dj, 0); /* Next entry */
+ } while (res == FR_OK);
+
+ return res;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Read an object from the directory */
+/*-----------------------------------------------------------------------*/
+#if _FS_MINIMIZE <= 1 || _USE_LABEL || _FS_RPATH >= 2
+static
+FRESULT dir_read (
+ DIR *dj, /* Pointer to the directory object */
+ int vol /* Filtered by 0:file/dir or 1:volume label */
+)
+{
+ FRESULT res;
+ BYTE a, c, *dir;
+#if _USE_LFN
+ BYTE ord = 0xFF, sum = 0xFF;
+#endif
+
+ res = FR_NO_FILE;
+ while (dj->sect) {
+ res = move_window(dj->fs, dj->sect);
+ if (res != FR_OK) break;
+ dir = dj->dir; /* Ptr to the directory entry of current index */
+ c = dir[DIR_Name];
+ if (c == 0) { res = FR_NO_FILE; break; } /* Reached to end of table */
+ a = dir[DIR_Attr] & AM_MASK;
+#if _USE_LFN /* LFN configuration */
+ if (c == DDE || (!_FS_RPATH && c == '.') || (a == AM_VOL) != vol) { /* An entry without valid data */
+ ord = 0xFF;
+ } else {
+ if (a == AM_LFN) { /* An LFN entry is found */
+ if (c & LLE) { /* Is it start of LFN sequence? */
+ sum = dir[LDIR_Chksum];
+ c &= ~LLE; ord = c;
+ dj->lfn_idx = dj->index;
+ }
+ /* Check LFN validity and capture it */
+ ord = (c == ord && sum == dir[LDIR_Chksum] && pick_lfn(dj->lfn, dir)) ? ord - 1 : 0xFF;
+ } else { /* An SFN entry is found */
+ if (ord || sum != sum_sfn(dir)) /* Is there a valid LFN? */
+ dj->lfn_idx = 0xFFFF; /* It has no LFN. */
+ break;
+ }
+ }
+#else /* Non LFN configuration */
+ if (c != DDE && (_FS_RPATH || c != '.') && a != AM_LFN && (a == AM_VOL) == vol) /* Is it a valid entry? */
+ break;
+#endif
+ res = dir_next(dj, 0); /* Next entry */
+ if (res != FR_OK) break;
+ }
+
+ if (res != FR_OK) dj->sect = 0;
+
+ return res;
+}
+#endif /* _FS_MINIMIZE <= 1 || _USE_LABEL || _FS_RPATH >= 2 */
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Register an object to the directory */
+/*-----------------------------------------------------------------------*/
+#if !_FS_READONLY
+static
+FRESULT dir_register ( /* FR_OK:Successful, FR_DENIED:No free entry or too many SFN collision, FR_DISK_ERR:Disk error */
+ DIR *dj /* Target directory with object name to be created */
+)
+{
+ FRESULT res;
+#if _USE_LFN /* LFN configuration */
+ WORD n, ne;
+ BYTE sn[12], *fn, sum;
+ WCHAR *lfn;
+
+
+ fn = dj->fn; lfn = dj->lfn;
+ mem_cpy(sn, fn, 12);
+
+ if (_FS_RPATH && (sn[NS] & NS_DOT)) /* Cannot create dot entry */
+ return FR_INVALID_NAME;
+
+ if (sn[NS] & NS_LOSS) { /* When LFN is out of 8.3 format, generate a numbered name */
+ fn[NS] = 0; dj->lfn = 0; /* Find only SFN */
+ for (n = 1; n < 100; n++) {
+ gen_numname(fn, sn, lfn, n); /* Generate a numbered name */
+ res = dir_find(dj); /* Check if the name collides with existing SFN */
+ if (res != FR_OK) break;
+ }
+ if (n == 100) return FR_DENIED; /* Abort if too many collisions */
+ if (res != FR_NO_FILE) return res; /* Abort if the result is other than 'not collided' */
+ fn[NS] = sn[NS]; dj->lfn = lfn;
+ }
+
+ if (sn[NS] & NS_LFN) { /* When LFN is to be created, allocate entries for an SFN + LFNs. */
+ for (n = 0; lfn[n]; n++) ;
+ ne = (n + 25) / 13;
+ } else { /* Otherwise allocate an entry for an SFN */
+ ne = 1;
+ }
+ res = dir_alloc(dj, ne); /* Allocate entries */
+
+ if (res == FR_OK && --ne) { /* Set LFN entry if needed */
+ res = dir_sdi(dj, (WORD)(dj->index - ne));
+ if (res == FR_OK) {
+ sum = sum_sfn(dj->fn); /* Sum value of the SFN tied to the LFN */
+ do { /* Store LFN entries in bottom first */
+ res = move_window(dj->fs, dj->sect);
+ if (res != FR_OK) break;
+ fit_lfn(dj->lfn, dj->dir, (BYTE)ne, sum);
+ dj->fs->wflag = 1;
+ res = dir_next(dj, 0); /* Next entry */
+ } while (res == FR_OK && --ne);
+ }
+ }
+#else /* Non LFN configuration */
+ res = dir_alloc(dj, 1); /* Allocate an entry for SFN */
+#endif
+
+ if (res == FR_OK) { /* Set SFN entry */
+ res = move_window(dj->fs, dj->sect);
+ if (res == FR_OK) {
+ mem_set(dj->dir, 0, SZ_DIR); /* Clean the entry */
+ mem_cpy(dj->dir, dj->fn, 11); /* Put SFN */
+#if _USE_LFN
+ dj->dir[DIR_NTres] = *(dj->fn+NS) & (NS_BODY | NS_EXT); /* Put NT flag */
+#endif
+ dj->fs->wflag = 1;
+ }
+ }
+
+ return res;
+}
+#endif /* !_FS_READONLY */
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Remove an object from the directory */
+/*-----------------------------------------------------------------------*/
+#if !_FS_READONLY && !_FS_MINIMIZE
+static
+FRESULT dir_remove ( /* FR_OK: Successful, FR_DISK_ERR: A disk error */
+ DIR *dj /* Directory object pointing the entry to be removed */
+)
+{
+ FRESULT res;
+#if _USE_LFN /* LFN configuration */
+ WORD i;
+
+ i = dj->index; /* SFN index */
+ res = dir_sdi(dj, (WORD)((dj->lfn_idx == 0xFFFF) ? i : dj->lfn_idx)); /* Goto the SFN or top of the LFN entries */
+ if (res == FR_OK) {
+ do {
+ res = move_window(dj->fs, dj->sect);
+ if (res != FR_OK) break;
+ *dj->dir = DDE; /* Mark the entry "deleted" */
+ dj->fs->wflag = 1;
+ if (dj->index >= i) break; /* When reached SFN, all entries of the object has been deleted. */
+ res = dir_next(dj, 0); /* Next entry */
+ } while (res == FR_OK);
+ if (res == FR_NO_FILE) res = FR_INT_ERR;
+ }
+
+#else /* Non LFN configuration */
+ res = dir_sdi(dj, dj->index);
+ if (res == FR_OK) {
+ res = move_window(dj->fs, dj->sect);
+ if (res == FR_OK) {
+ *dj->dir = DDE; /* Mark the entry "deleted" */
+ dj->fs->wflag = 1;
+ }
+ }
+#endif
+
+ return res;
+}
+#endif /* !_FS_READONLY */
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Pick a segment and create the object name in directory form */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT create_name (
+ DIR *dj, /* Pointer to the directory object */
+ const TCHAR **path /* Pointer to pointer to the segment in the path string */
+)
+{
+#if _USE_LFN /* LFN configuration */
+ BYTE b, cf;
+ WCHAR w, *lfn;
+ UINT i, ni, si, di;
+ const TCHAR *p;
+
+ /* Create LFN in Unicode */
+ for (p = *path; *p == '/' || *p == '\\'; p++) ; /* Strip duplicated separator */
+ lfn = dj->lfn;
+ si = di = 0;
+ for (;;) {
+ w = p[si++]; /* Get a character */
+ if (w < ' ' || w == '/' || w == '\\') break; /* Break on end of segment */
+ if (di >= _MAX_LFN) /* Reject too long name */
+ return FR_INVALID_NAME;
+#if !_LFN_UNICODE
+ w &= 0xFF;
+ if (IsDBCS1(w)) { /* Check if it is a DBC 1st byte (always false on SBCS cfg) */
+ b = (BYTE)p[si++]; /* Get 2nd byte */
+ if (!IsDBCS2(b))
+ return FR_INVALID_NAME; /* Reject invalid sequence */
+ w = (w << 8) + b; /* Create a DBC */
+ }
+ w = ff_convert(w, 1); /* Convert ANSI/OEM to Unicode */
+ if (!w) return FR_INVALID_NAME; /* Reject invalid code */
+#endif
+ if (w < 0x80 && chk_chr("\"*:<>\?|\x7F", w)) /* Reject illegal chars for LFN */
+ return FR_INVALID_NAME;
+ lfn[di++] = w; /* Store the Unicode char */
+ }
+ *path = &p[si]; /* Return pointer to the next segment */
+ cf = (w < ' ') ? NS_LAST : 0; /* Set last segment flag if end of path */
+#if _FS_RPATH
+ if ((di == 1 && lfn[di-1] == '.') || /* Is this a dot entry? */
+ (di == 2 && lfn[di-1] == '.' && lfn[di-2] == '.')) {
+ lfn[di] = 0;
+ for (i = 0; i < 11; i++)
+ dj->fn[i] = (i < di) ? '.' : ' ';
+ dj->fn[i] = cf | NS_DOT; /* This is a dot entry */
+ return FR_OK;
+ }
+#endif
+ while (di) { /* Strip trailing spaces and dots */
+ w = lfn[di-1];
+ if (w != ' ' && w != '.') break;
+ di--;
+ }
+ if (!di) return FR_INVALID_NAME; /* Reject nul string */
+
+ lfn[di] = 0; /* LFN is created */
+
+ /* Create SFN in directory form */
+ mem_set(dj->fn, ' ', 11);
+ for (si = 0; lfn[si] == ' ' || lfn[si] == '.'; si++) ; /* Strip leading spaces and dots */
+ if (si) cf |= NS_LOSS | NS_LFN;
+ while (di && lfn[di - 1] != '.') di--; /* Find extension (di<=si: no extension) */
+
+ b = i = 0; ni = 8;
+ for (;;) {
+ w = lfn[si++]; /* Get an LFN char */
+ if (!w) break; /* Break on end of the LFN */
+ if (w == ' ' || (w == '.' && si != di)) { /* Remove spaces and dots */
+ cf |= NS_LOSS | NS_LFN; continue;
+ }
+
+ if (i >= ni || si == di) { /* Extension or end of SFN */
+ if (ni == 11) { /* Long extension */
+ cf |= NS_LOSS | NS_LFN; break;
+ }
+ if (si != di) cf |= NS_LOSS | NS_LFN; /* Out of 8.3 format */
+ if (si > di) break; /* No extension */
+ si = di; i = 8; ni = 11; /* Enter extension section */
+ b <<= 2; continue;
+ }
+
+ if (w >= 0x80) { /* Non ASCII char */
+#ifdef _EXCVT
+ w = ff_convert(w, 0); /* Unicode -> OEM code */
+ if (w) w = ExCvt[w - 0x80]; /* Convert extended char to upper (SBCS) */
+#else
+ w = ff_convert(ff_wtoupper(w), 0); /* Upper converted Unicode -> OEM code */
+#endif
+ cf |= NS_LFN; /* Force create LFN entry */
+ }
+
+ if (_DF1S && w >= 0x100) { /* Double byte char (always false on SBCS cfg) */
+ if (i >= ni - 1) {
+ cf |= NS_LOSS | NS_LFN; i = ni; continue;
+ }
+ dj->fn[i++] = (BYTE)(w >> 8);
+ } else { /* Single byte char */
+ if (!w || chk_chr("+,;=[]", w)) { /* Replace illegal chars for SFN */
+ w = '_'; cf |= NS_LOSS | NS_LFN;/* Lossy conversion */
+ } else {
+ if (IsUpper(w)) { /* ASCII large capital */
+ b |= 2;
+ } else {
+ if (IsLower(w)) { /* ASCII small capital */
+ b |= 1; w -= 0x20;
+ }
+ }
+ }
+ }
+ dj->fn[i++] = (BYTE)w;
+ }
+
+ if (dj->fn[0] == DDE) dj->fn[0] = NDDE; /* If the first char collides with deleted mark, replace it with 0x05 */
+
+ if (ni == 8) b <<= 2;
+ if ((b & 0x0C) == 0x0C || (b & 0x03) == 0x03) /* Create LFN entry when there are composite capitals */
+ cf |= NS_LFN;
+ if (!(cf & NS_LFN)) { /* When LFN is in 8.3 format without extended char, NT flags are created */
+ if ((b & 0x03) == 0x01) cf |= NS_EXT; /* NT flag (Extension has only small capital) */
+ if ((b & 0x0C) == 0x04) cf |= NS_BODY; /* NT flag (Filename has only small capital) */
+ }
+
+ dj->fn[NS] = cf; /* SFN is created */
+
+ return FR_OK;
+
+
+#else /* Non-LFN configuration */
+ BYTE b, c, d, *sfn;
+ UINT ni, si, i;
+ const char *p;
+
+ /* Create file name in directory form */
+ for (p = *path; *p == '/' || *p == '\\'; p++) ; /* Strip duplicated separator */
+ sfn = dj->fn;
+ mem_set(sfn, ' ', 11);
+ si = i = b = 0; ni = 8;
+#if _FS_RPATH
+ if (p[si] == '.') { /* Is this a dot entry? */
+ for (;;) {
+ c = (BYTE)p[si++];
+ if (c != '.' || si >= 3) break;
+ sfn[i++] = c;
+ }
+ if (c != '/' && c != '\\' && c > ' ') return FR_INVALID_NAME;
+ *path = &p[si]; /* Return pointer to the next segment */
+ sfn[NS] = (c <= ' ') ? NS_LAST | NS_DOT : NS_DOT; /* Set last segment flag if end of path */
+ return FR_OK;
+ }
+#endif
+ for (;;) {
+ c = (BYTE)p[si++];
+ if (c <= ' ' || c == '/' || c == '\\') break; /* Break on end of segment */
+ if (c == '.' || i >= ni) {
+ if (ni != 8 || c != '.') return FR_INVALID_NAME;
+ i = 8; ni = 11;
+ b <<= 2; continue;
+ }
+ if (c >= 0x80) { /* Extended char? */
+ b |= 3; /* Eliminate NT flag */
+#ifdef _EXCVT
+ c = ExCvt[c - 0x80]; /* To upper extended chars (SBCS cfg) */
+#else
+#if !_DF1S
+ return FR_INVALID_NAME; /* Reject extended chars (ASCII cfg) */
+#endif
+#endif
+ }
+ if (IsDBCS1(c)) { /* Check if it is a DBC 1st byte (always false on SBCS cfg) */
+ d = (BYTE)p[si++]; /* Get 2nd byte */
+ if (!IsDBCS2(d) || i >= ni - 1) /* Reject invalid DBC */
+ return FR_INVALID_NAME;
+ sfn[i++] = c;
+ sfn[i++] = d;
+ } else { /* Single byte code */
+ if (chk_chr("\"*+,:;<=>\?[]|\x7F", c)) /* Reject illegal chrs for SFN */
+ return FR_INVALID_NAME;
+ if (IsUpper(c)) { /* ASCII large capital? */
+ b |= 2;
+ } else {
+ if (IsLower(c)) { /* ASCII small capital? */
+ b |= 1; c -= 0x20;
+ }
+ }
+ sfn[i++] = c;
+ }
+ }
+ *path = &p[si]; /* Return pointer to the next segment */
+ c = (c <= ' ') ? NS_LAST : 0; /* Set last segment flag if end of path */
+
+ if (!i) return FR_INVALID_NAME; /* Reject nul string */
+ if (sfn[0] == DDE) sfn[0] = NDDE; /* When first char collides with DDE, replace it with 0x05 */
+
+ if (ni == 8) b <<= 2;
+ if ((b & 0x03) == 0x01) c |= NS_EXT; /* NT flag (Name extension has only small capital) */
+ if ((b & 0x0C) == 0x04) c |= NS_BODY; /* NT flag (Name body has only small capital) */
+
+ sfn[NS] = c; /* Store NT flag, File name is created */
+
+ return FR_OK;
+#endif
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Get file information from directory entry */
+/*-----------------------------------------------------------------------*/
+#if _FS_MINIMIZE <= 1 || _FS_RPATH >= 2
+static
+void get_fileinfo ( /* No return code */
+ DIR *dj, /* Pointer to the directory object */
+ FILINFO *fno /* Pointer to the file information to be filled */
+)
+{
+ UINT i;
+ BYTE nt, *dir;
+ TCHAR *p, c;
+
+
+ p = fno->fname;
+ if (dj->sect) {
+ dir = dj->dir;
+ nt = dir[DIR_NTres]; /* NT flag */
+ for (i = 0; i < 8; i++) { /* Copy name body */
+ c = dir[i];
+ if (c == ' ') break;
+ if (c == NDDE) c = (TCHAR)DDE;
+ if (_USE_LFN && (nt & NS_BODY) && IsUpper(c)) c += 0x20;
+#if _LFN_UNICODE
+ if (IsDBCS1(c) && i < 7 && IsDBCS2(dir[i+1]))
+ c = (c << 8) | dir[++i];
+ c = ff_convert(c, 1);
+ if (!c) c = '?';
+#endif
+ *p++ = c;
+ }
+ if (dir[8] != ' ') { /* Copy name extension */
+ *p++ = '.';
+ for (i = 8; i < 11; i++) {
+ c = dir[i];
+ if (c == ' ') break;
+ if (_USE_LFN && (nt & NS_EXT) && IsUpper(c)) c += 0x20;
+#if _LFN_UNICODE
+ if (IsDBCS1(c) && i < 10 && IsDBCS2(dir[i+1]))
+ c = (c << 8) | dir[++i];
+ c = ff_convert(c, 1);
+ if (!c) c = '?';
+#endif
+ *p++ = c;
+ }
+ }
+ fno->fattrib = dir[DIR_Attr]; /* Attribute */
+ fno->fsize = LD_DWORD(dir+DIR_FileSize); /* Size */
+ fno->fdate = LD_WORD(dir+DIR_WrtDate); /* Date */
+ fno->ftime = LD_WORD(dir+DIR_WrtTime); /* Time */
+ }
+ *p = 0; /* Terminate SFN str by a \0 */
+
+#if _USE_LFN
+ if (fno->lfname && fno->lfsize) {
+ TCHAR *tp = fno->lfname;
+ WCHAR w, *lfn;
+
+ i = 0;
+ if (dj->sect && dj->lfn_idx != 0xFFFF) {/* Get LFN if available */
+ lfn = dj->lfn;
+ while ((w = *lfn++) != 0) { /* Get an LFN char */
+#if !_LFN_UNICODE
+ w = ff_convert(w, 0); /* Unicode -> OEM conversion */
+ if (!w) { i = 0; break; } /* Could not convert, no LFN */
+ if (_DF1S && w >= 0x100) /* Put 1st byte if it is a DBC (always false on SBCS cfg) */
+ tp[i++] = (TCHAR)(w >> 8);
+#endif
+ if (i >= fno->lfsize - 1) { i = 0; break; } /* Buffer overflow, no LFN */
+ tp[i++] = (TCHAR)w;
+ }
+ }
+ tp[i] = 0; /* Terminate the LFN str by a \0 */
+ }
+#endif
+}
+#endif /* _FS_MINIMIZE <= 1 || _FS_RPATH >= 2*/
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Follow a file path */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT follow_path ( /* FR_OK(0): successful, !=0: error code */
+ DIR *dj, /* Directory object to return last directory and found object */
+ const TCHAR *path /* Full-path string to find a file or directory */
+)
+{
+ FRESULT res;
+ BYTE *dir, ns;
+
+
+#if _FS_RPATH
+ if (*path == '/' || *path == '\\') { /* There is a heading separator */
+ path++; dj->sclust = 0; /* Strip it and start from the root dir */
+ } else { /* No heading separator */
+ dj->sclust = dj->fs->cdir; /* Start from the current dir */
+ }
+#else
+ if (*path == '/' || *path == '\\') /* Strip heading separator if exist */
+ path++;
+ dj->sclust = 0; /* Start from the root dir */
+#endif
+
+ if ((UINT)*path < ' ') { /* Nul path means the start directory itself */
+ res = dir_sdi(dj, 0);
+ dj->dir = 0;
+ } else { /* Follow path */
+ for (;;) {
+ res = create_name(dj, &path); /* Get a segment */
+ if (res != FR_OK) break;
+ res = dir_find(dj); /* Find it */
+ ns = *(dj->fn+NS);
+ if (res != FR_OK) { /* Failed to find the object */
+ if (res != FR_NO_FILE) break; /* Abort if any hard error occurred */
+ /* Object not found */
+ if (_FS_RPATH && (ns & NS_DOT)) { /* If dot entry is not exit */
+ dj->sclust = 0; dj->dir = 0; /* It is the root dir */
+ res = FR_OK;
+ if (!(ns & NS_LAST)) continue;
+ } else { /* Could not find the object */
+ if (!(ns & NS_LAST)) res = FR_NO_PATH;
+ }
+ break;
+ }
+ if (ns & NS_LAST) break; /* Last segment match. Function completed. */
+ dir = dj->dir; /* There is next segment. Follow the sub directory */
+ if (!(dir[DIR_Attr] & AM_DIR)) { /* Cannot follow because it is a file */
+ res = FR_NO_PATH; break;
+ }
+ dj->sclust = ld_clust(dj->fs, dir);
+ }
+ }
+
+ return res;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Load a sector and check if it is an FAT Volume Boot Record */
+/*-----------------------------------------------------------------------*/
+
+static
+BYTE check_fs ( /* 0:FAT-VBR, 1:Any BR but not FAT, 2:Not a BR, 3:Disk error */
+ FATFS *fs, /* File system object */
+ DWORD sect /* Sector# (lba) to check if it is an FAT boot record or not */
+)
+{
+ if (disk_read(fs->drv, fs->win, sect, 1) != RES_OK) /* Load boot record */
+ return 3;
+ if (LD_WORD(&fs->win[BS_55AA]) != 0xAA55) /* Check record signature (always placed at offset 510 even if the sector size is >512) */
+ return 2;
+
+ if ((LD_DWORD(&fs->win[BS_FilSysType]) & 0xFFFFFF) == 0x544146) /* Check "FAT" string */
+ return 0;
+ if ((LD_DWORD(&fs->win[BS_FilSysType32]) & 0xFFFFFF) == 0x544146)
+ return 0;
+
+ return 1;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Check if the file system object is valid or not */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT chk_mounted ( /* FR_OK(0): successful, !=0: any error occurred */
+ const TCHAR **path, /* Pointer to pointer to the path name (drive number) */
+ FATFS **rfs, /* Pointer to pointer to the found file system object */
+ BYTE wmode /* !=0: Check write protection for write access */
+)
+{
+ BYTE fmt, b, pi, *tbl;
+ UINT vol;
+ DSTATUS stat;
+ DWORD bsect, fasize, tsect, sysect, nclst, szbfat;
+ WORD nrsv;
+ const TCHAR *p = *path;
+ FATFS *fs;
+
+
+ /* Get logical drive number from the path name */
+ vol = p[0] - '0'; /* Is there a drive number? */
+ if (vol <= 9 && p[1] == ':') { /* Found a drive number, get and strip it */
+ p += 2; *path = p; /* Return pointer to the path name */
+ } else { /* No drive number, use default drive */
+#if _FS_RPATH
+ vol = CurrVol; /* Use current drive */
+#else
+ vol = 0; /* Use drive 0 */
+#endif
+ }
+
+ /* Check if the file system object is valid or not */
+ *rfs = 0;
+ if (vol >= _VOLUMES) /* Is the drive number valid? */
+ return FR_INVALID_DRIVE;
+ fs = FatFs[vol]; /* Get corresponding file system object */
+ if (!fs) return FR_NOT_ENABLED; /* Is the file system object available? */
+
+ ENTER_FF(fs); /* Lock volume */
+
+ *rfs = fs; /* Return pointer to the corresponding file system object */
+ if (fs->fs_type) { /* If the volume has been mounted */
+ stat = disk_status(fs->drv);
+ if (!(stat & STA_NOINIT)) { /* and the physical drive is kept initialized (has not been changed), */
+ if (!_FS_READONLY && wmode && (stat & STA_PROTECT)) /* Check write protection if needed */
+ return FR_WRITE_PROTECTED;
+ return FR_OK; /* The file system object is valid */
+ }
+ }
+
+ /* The file system object is not valid. */
+ /* Following code attempts to mount the volume. (analyze BPB and initialize the fs object) */
+
+ fs->fs_type = 0; /* Clear the file system object */
+ fs->drv = LD2PD(vol); /* Bind the logical drive and a physical drive */
+ stat = disk_initialize(fs->drv); /* Initialize the physical drive */
+ if (stat & STA_NOINIT) /* Check if the initialization succeeded */
+ return FR_NOT_READY; /* Failed to initialize due to no medium or hard error */
+ if (!_FS_READONLY && wmode && (stat & STA_PROTECT)) /* Check disk write protection if needed */
+ return FR_WRITE_PROTECTED;
+#if _MAX_SS != 512 /* Get disk sector size (variable sector size cfg only) */
+ if (disk_ioctl(fs->drv, GET_SECTOR_SIZE, &fs->ssize) != RES_OK)
+ return FR_DISK_ERR;
+#endif
+ /* Search FAT partition on the drive. Supports only generic partitions, FDISK and SFD. */
+ fmt = check_fs(fs, bsect = 0); /* Load sector 0 and check if it is an FAT-VBR (in SFD) */
+ if (LD2PT(vol) && !fmt) fmt = 1; /* Force non-SFD if the volume is forced partition */
+ if (fmt == 1) { /* Not an FAT-VBR, the physical drive can be partitioned */
+ /* Check the partition listed in the partition table */
+ pi = LD2PT(vol);
+ if (pi) pi--;
+ tbl = &fs->win[MBR_Table + pi * SZ_PTE];/* Partition table */
+ if (tbl[4]) { /* Is the partition existing? */
+ bsect = LD_DWORD(&tbl[8]); /* Partition offset in LBA */
+ fmt = check_fs(fs, bsect); /* Check the partition */
+ }
+ }
+ if (fmt == 3) return FR_DISK_ERR;
+ if (fmt) return FR_NO_FILESYSTEM; /* No FAT volume is found */
+
+ /* An FAT volume is found. Following code initializes the file system object */
+
+ if (LD_WORD(fs->win+BPB_BytsPerSec) != SS(fs)) /* (BPB_BytsPerSec must be equal to the physical sector size) */
+ return FR_NO_FILESYSTEM;
+
+ fasize = LD_WORD(fs->win+BPB_FATSz16); /* Number of sectors per FAT */
+ if (!fasize) fasize = LD_DWORD(fs->win+BPB_FATSz32);
+ fs->fsize = fasize;
+
+ fs->n_fats = b = fs->win[BPB_NumFATs]; /* Number of FAT copies */
+ if (b != 1 && b != 2) return FR_NO_FILESYSTEM; /* (Must be 1 or 2) */
+ fasize *= b; /* Number of sectors for FAT area */
+
+ fs->csize = b = fs->win[BPB_SecPerClus]; /* Number of sectors per cluster */
+ if (!b || (b & (b - 1))) return FR_NO_FILESYSTEM; /* (Must be power of 2) */
+
+ fs->n_rootdir = LD_WORD(fs->win+BPB_RootEntCnt); /* Number of root directory entries */
+ if (fs->n_rootdir % (SS(fs) / SZ_DIR)) return FR_NO_FILESYSTEM; /* (BPB_RootEntCnt must be sector aligned) */
+
+ tsect = LD_WORD(fs->win+BPB_TotSec16); /* Number of sectors on the volume */
+ if (!tsect) tsect = LD_DWORD(fs->win+BPB_TotSec32);
+
+ nrsv = LD_WORD(fs->win+BPB_RsvdSecCnt); /* Number of reserved sectors */
+ if (!nrsv) return FR_NO_FILESYSTEM; /* (BPB_RsvdSecCnt must not be 0) */
+
+ /* Determine the FAT sub type */
+ sysect = nrsv + fasize + fs->n_rootdir / (SS(fs) / SZ_DIR); /* RSV+FAT+DIR */
+ if (tsect < sysect) return FR_NO_FILESYSTEM; /* (Invalid volume size) */
+ nclst = (tsect - sysect) / fs->csize; /* Number of clusters */
+ if (!nclst) return FR_NO_FILESYSTEM; /* (Invalid volume size) */
+ fmt = FS_FAT12;
+ if (nclst >= MIN_FAT16) fmt = FS_FAT16;
+ if (nclst >= MIN_FAT32) fmt = FS_FAT32;
+
+ /* Boundaries and Limits */
+ fs->n_fatent = nclst + 2; /* Number of FAT entries */
+ fs->volbase = bsect; /* Volume start sector */
+ fs->fatbase = bsect + nrsv; /* FAT start sector */
+ fs->database = bsect + sysect; /* Data start sector */
+ if (fmt == FS_FAT32) {
+ if (fs->n_rootdir) return FR_NO_FILESYSTEM; /* (BPB_RootEntCnt must be 0) */
+ fs->dirbase = LD_DWORD(fs->win+BPB_RootClus); /* Root directory start cluster */
+ szbfat = fs->n_fatent * 4; /* (Required FAT size) */
+ } else {
+ if (!fs->n_rootdir) return FR_NO_FILESYSTEM; /* (BPB_RootEntCnt must not be 0) */
+ fs->dirbase = fs->fatbase + fasize; /* Root directory start sector */
+ szbfat = (fmt == FS_FAT16) ? /* (Required FAT size) */
+ fs->n_fatent * 2 : fs->n_fatent * 3 / 2 + (fs->n_fatent & 1);
+ }
+ if (fs->fsize < (szbfat + (SS(fs) - 1)) / SS(fs)) /* (BPB_FATSz must not be less than required) */
+ return FR_NO_FILESYSTEM;
+
+#if !_FS_READONLY
+ /* Initialize cluster allocation information */
+ fs->free_clust = 0xFFFFFFFF;
+ fs->last_clust = 0;
+
+ /* Get fsinfo if available */
+ if (fmt == FS_FAT32) {
+ fs->fsi_flag = 0;
+ fs->fsi_sector = bsect + LD_WORD(fs->win+BPB_FSInfo);
+ if (disk_read(fs->drv, fs->win, fs->fsi_sector, 1) == RES_OK &&
+ LD_WORD(fs->win+BS_55AA) == 0xAA55 &&
+ LD_DWORD(fs->win+FSI_LeadSig) == 0x41615252 &&
+ LD_DWORD(fs->win+FSI_StrucSig) == 0x61417272) {
+ fs->last_clust = LD_DWORD(fs->win+FSI_Nxt_Free);
+ fs->free_clust = LD_DWORD(fs->win+FSI_Free_Count);
+ }
+ }
+#endif
+ fs->fs_type = fmt; /* FAT sub-type */
+ fs->id = ++Fsid; /* File system mount ID */
+ fs->winsect = 0; /* Invalidate sector cache */
+ fs->wflag = 0;
+#if _FS_RPATH
+ fs->cdir = 0; /* Current directory (root dir) */
+#endif
+#if _FS_LOCK /* Clear file lock semaphores */
+ clear_lock(fs);
+#endif
+
+ return FR_OK;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Check if the file/dir object is valid or not */
+/*-----------------------------------------------------------------------*/
+
+static
+FRESULT validate ( /* FR_OK(0): The object is valid, !=0: Invalid */
+ void* obj /* Pointer to the object FIL/DIR to check validity */
+)
+{
+ FIL *fil = (FIL*)obj; /* Assuming offset of fs and id in the FIL/DIR is identical */
+
+
+ if (!fil || !fil->fs || !fil->fs->fs_type || fil->fs->id != fil->id)
+ return FR_INVALID_OBJECT;
+
+ ENTER_FF(fil->fs); /* Lock file system */
+
+ if (disk_status(fil->fs->drv) & STA_NOINIT)
+ return FR_NOT_READY;
+
+ return FR_OK;
+}
+
+
+
+
+/*--------------------------------------------------------------------------
+
+ Public Functions
+
+--------------------------------------------------------------------------*/
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Mount/Unmount a Logical Drive */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_mount (
+ BYTE vol, /* Logical drive number to be mounted/unmounted */
+ FATFS *fs /* Pointer to new file system object (NULL for unmount)*/
+)
+{
+ FATFS *rfs;
+
+
+ if (vol >= _VOLUMES) /* Check if the drive number is valid */
+ return FR_INVALID_DRIVE;
+ rfs = FatFs[vol]; /* Get current fs object */
+
+ if (rfs) {
+#if _FS_LOCK
+ clear_lock(rfs);
+#endif
+#if _FS_REENTRANT /* Discard sync object of the current volume */
+ if (!ff_del_syncobj(rfs->sobj)) return FR_INT_ERR;
+#endif
+ rfs->fs_type = 0; /* Clear old fs object */
+ }
+
+ if (fs) {
+ fs->fs_type = 0; /* Clear new fs object */
+#if _FS_REENTRANT /* Create sync object for the new volume */
+ if (!ff_cre_syncobj(vol, &fs->sobj)) return FR_INT_ERR;
+#endif
+ }
+ FatFs[vol] = fs; /* Register new fs object */
+
+ return FR_OK;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Open or Create a File */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_open (
+ FIL *fp, /* Pointer to the blank file object */
+ const TCHAR *path, /* Pointer to the file name */
+ BYTE mode /* Access mode and file open mode flags */
+)
+{
+ FRESULT res;
+ DIR dj;
+ BYTE *dir;
+ DEF_NAMEBUF;
+
+
+ if (!fp) return FR_INVALID_OBJECT;
+ fp->fs = 0; /* Clear file object */
+
+#if !_FS_READONLY
+ mode &= FA_READ | FA_WRITE | FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW;
+ res = chk_mounted(&path, &dj.fs, (BYTE)(mode & ~FA_READ));
+#else
+ mode &= FA_READ;
+ res = chk_mounted(&path, &dj.fs, 0);
+#endif
+ if (res == FR_OK) {
+ INIT_BUF(dj);
+ res = follow_path(&dj, path); /* Follow the file path */
+ dir = dj.dir;
+#if !_FS_READONLY /* R/W configuration */
+ if (res == FR_OK) {
+ if (!dir) /* Current dir itself */
+ res = FR_INVALID_NAME;
+#if _FS_LOCK
+ else
+ res = chk_lock(&dj, (mode & ~FA_READ) ? 1 : 0);
+#endif
+ }
+ /* Create or Open a file */
+ if (mode & (FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW)) {
+ DWORD dw, cl;
+
+ if (res != FR_OK) { /* No file, create new */
+ if (res == FR_NO_FILE) /* There is no file to open, create a new entry */
+#if _FS_LOCK
+ res = enq_lock() ? dir_register(&dj) : FR_TOO_MANY_OPEN_FILES;
+#else
+ res = dir_register(&dj);
+#endif
+ mode |= FA_CREATE_ALWAYS; /* File is created */
+ dir = dj.dir; /* New entry */
+ }
+ else { /* Any object is already existing */
+ if (dir[DIR_Attr] & (AM_RDO | AM_DIR)) { /* Cannot overwrite it (R/O or DIR) */
+ res = FR_DENIED;
+ } else {
+ if (mode & FA_CREATE_NEW) /* Cannot create as new file */
+ res = FR_EXIST;
+ }
+ }
+ if (res == FR_OK && (mode & FA_CREATE_ALWAYS)) { /* Truncate it if overwrite mode */
+ dw = get_fattime(); /* Created time */
+ ST_DWORD(dir+DIR_CrtTime, dw);
+ dir[DIR_Attr] = 0; /* Reset attribute */
+ ST_DWORD(dir+DIR_FileSize, 0); /* size = 0 */
+ cl = ld_clust(dj.fs, dir); /* Get start cluster */
+ st_clust(dir, 0); /* cluster = 0 */
+ dj.fs->wflag = 1;
+ if (cl) { /* Remove the cluster chain if exist */
+ dw = dj.fs->winsect;
+ res = remove_chain(dj.fs, cl);
+ if (res == FR_OK) {
+ dj.fs->last_clust = cl - 1; /* Reuse the cluster hole */
+ res = move_window(dj.fs, dw);
+ }
+ }
+ }
+ }
+ else { /* Open an existing file */
+ if (res == FR_OK) { /* Follow succeeded */
+ if (dir[DIR_Attr] & AM_DIR) { /* It is a directory */
+ res = FR_NO_FILE;
+ } else {
+ if ((mode & FA_WRITE) && (dir[DIR_Attr] & AM_RDO)) /* R/O violation */
+ res = FR_DENIED;
+ }
+ }
+ }
+ if (res == FR_OK) {
+ if (mode & FA_CREATE_ALWAYS) /* Set file change flag if created or overwritten */
+ mode |= FA__WRITTEN;
+ fp->dir_sect = dj.fs->winsect; /* Pointer to the directory entry */
+ fp->dir_ptr = dir;
+#if _FS_LOCK
+ fp->lockid = inc_lock(&dj, (mode & ~FA_READ) ? 1 : 0);
+ if (!fp->lockid) res = FR_INT_ERR;
+#endif
+ }
+
+#else /* R/O configuration */
+ if (res == FR_OK) { /* Follow succeeded */
+ dir = dj.dir;
+ if (!dir) { /* Current dir itself */
+ res = FR_INVALID_NAME;
+ } else {
+ if (dir[DIR_Attr] & AM_DIR) /* It is a directory */
+ res = FR_NO_FILE;
+ }
+ }
+#endif
+ FREE_BUF();
+
+ if (res == FR_OK) {
+ fp->flag = mode; /* File access mode */
+ fp->sclust = ld_clust(dj.fs, dir); /* File start cluster */
+ fp->fsize = LD_DWORD(dir+DIR_FileSize); /* File size */
+ fp->fptr = 0; /* File pointer */
+ fp->dsect = 0;
+#if _USE_FASTSEEK
+ fp->cltbl = 0; /* Normal seek mode */
+#endif
+ fp->fs = dj.fs; fp->id = dj.fs->id; /* Validate file object */
+ }
+ }
+
+ LEAVE_FF(dj.fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Read File */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_read (
+ FIL *fp, /* Pointer to the file object */
+ void *buff, /* Pointer to data buffer */
+ UINT btr, /* Number of bytes to read */
+ UINT *br /* Pointer to number of bytes read */
+)
+{
+ FRESULT res;
+ DWORD clst, sect, remain;
+ UINT rcnt, cc;
+ BYTE csect, *rbuff = (BYTE*)buff;
+
+
+ *br = 0; /* Clear read byte counter */
+
+ res = validate(fp); /* Check validity */
+ if (res != FR_OK) LEAVE_FF(fp->fs, res);
+ if (fp->flag & FA__ERROR) /* Aborted file? */
+ LEAVE_FF(fp->fs, FR_INT_ERR);
+ if (!(fp->flag & FA_READ)) /* Check access mode */
+ LEAVE_FF(fp->fs, FR_DENIED);
+ remain = fp->fsize - fp->fptr;
+ if (btr > remain) btr = (UINT)remain; /* Truncate btr by remaining bytes */
+
+ for ( ; btr; /* Repeat until all data read */
+ rbuff += rcnt, fp->fptr += rcnt, *br += rcnt, btr -= rcnt) {
+ if ((fp->fptr % SS(fp->fs)) == 0) { /* On the sector boundary? */
+ csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1)); /* Sector offset in the cluster */
+ if (!csect) { /* On the cluster boundary? */
+ if (fp->fptr == 0) { /* On the top of the file? */
+ clst = fp->sclust; /* Follow from the origin */
+ } else { /* Middle or end of the file */
+#if _USE_FASTSEEK
+ if (fp->cltbl)
+ clst = clmt_clust(fp, fp->fptr); /* Get cluster# from the CLMT */
+ else
+#endif
+ clst = get_fat(fp->fs, fp->clust); /* Follow cluster chain on the FAT */
+ }
+ if (clst < 2) ABORT(fp->fs, FR_INT_ERR);
+ if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+ fp->clust = clst; /* Update current cluster */
+ }
+ sect = clust2sect(fp->fs, fp->clust); /* Get current sector */
+ if (!sect) ABORT(fp->fs, FR_INT_ERR);
+ sect += csect;
+ cc = btr / SS(fp->fs); /* When remaining bytes >= sector size, */
+ if (cc) { /* Read maximum contiguous sectors directly */
+ if (csect + cc > fp->fs->csize) /* Clip at cluster boundary */
+ cc = fp->fs->csize - csect;
+ if (disk_read(fp->fs->drv, rbuff, sect, (BYTE)cc) != RES_OK)
+ ABORT(fp->fs, FR_DISK_ERR);
+#if !_FS_READONLY && _FS_MINIMIZE <= 2 /* Replace one of the read sectors with cached data if it contains a dirty sector */
+#if _FS_TINY
+ if (fp->fs->wflag && fp->fs->winsect - sect < cc)
+ mem_cpy(rbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), fp->fs->win, SS(fp->fs));
+#else
+ if ((fp->flag & FA__DIRTY) && fp->dsect - sect < cc)
+ mem_cpy(rbuff + ((fp->dsect - sect) * SS(fp->fs)), fp->buf, SS(fp->fs));
+#endif
+#endif
+ rcnt = SS(fp->fs) * cc; /* Number of bytes transferred */
+ continue;
+ }
+#if !_FS_TINY
+ if (fp->dsect != sect) { /* Load data sector if not in cache */
+#if !_FS_READONLY
+ if (fp->flag & FA__DIRTY) { /* Write-back dirty sector cache */
+ if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
+ ABORT(fp->fs, FR_DISK_ERR);
+ fp->flag &= ~FA__DIRTY;
+ }
+#endif
+ if (disk_read(fp->fs->drv, fp->buf, sect, 1) != RES_OK) /* Fill sector cache */
+ ABORT(fp->fs, FR_DISK_ERR);
+ }
+#endif
+ fp->dsect = sect;
+ }
+ rcnt = SS(fp->fs) - ((UINT)fp->fptr % SS(fp->fs)); /* Get partial sector data from sector buffer */
+ if (rcnt > btr) rcnt = btr;
+#if _FS_TINY
+ if (move_window(fp->fs, fp->dsect)) /* Move sector window */
+ ABORT(fp->fs, FR_DISK_ERR);
+ mem_cpy(rbuff, &fp->fs->win[fp->fptr % SS(fp->fs)], rcnt); /* Pick partial sector */
+#else
+ mem_cpy(rbuff, &fp->buf[fp->fptr % SS(fp->fs)], rcnt); /* Pick partial sector */
+#endif
+ }
+
+ LEAVE_FF(fp->fs, FR_OK);
+}
+
+
+
+
+#if !_FS_READONLY
+/*-----------------------------------------------------------------------*/
+/* Write File */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_write (
+ FIL *fp, /* Pointer to the file object */
+ const void *buff, /* Pointer to the data to be written */
+ UINT btw, /* Number of bytes to write */
+ UINT *bw /* Pointer to number of bytes written */
+)
+{
+ FRESULT res;
+ DWORD clst, sect;
+ UINT wcnt, cc;
+ const BYTE *wbuff = (const BYTE*)buff;
+ BYTE csect;
+
+
+ *bw = 0; /* Clear write byte counter */
+
+ res = validate(fp); /* Check validity */
+ if (res != FR_OK) LEAVE_FF(fp->fs, res);
+ if (fp->flag & FA__ERROR) /* Aborted file? */
+ LEAVE_FF(fp->fs, FR_INT_ERR);
+ if (!(fp->flag & FA_WRITE)) /* Check access mode */
+ LEAVE_FF(fp->fs, FR_DENIED);
+ if ((DWORD)(fp->fsize + btw) < fp->fsize) btw = 0; /* File size cannot reach 4GB */
+
+ for ( ; btw; /* Repeat until all data written */
+ wbuff += wcnt, fp->fptr += wcnt, *bw += wcnt, btw -= wcnt) {
+ if ((fp->fptr % SS(fp->fs)) == 0) { /* On the sector boundary? */
+ csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1)); /* Sector offset in the cluster */
+ if (!csect) { /* On the cluster boundary? */
+ if (fp->fptr == 0) { /* On the top of the file? */
+ clst = fp->sclust; /* Follow from the origin */
+ if (clst == 0) /* When no cluster is allocated, */
+ fp->sclust = clst = create_chain(fp->fs, 0); /* Create a new cluster chain */
+ } else { /* Middle or end of the file */
+#if _USE_FASTSEEK
+ if (fp->cltbl)
+ clst = clmt_clust(fp, fp->fptr); /* Get cluster# from the CLMT */
+ else
+#endif
+ clst = create_chain(fp->fs, fp->clust); /* Follow or stretch cluster chain on the FAT */
+ }
+ if (clst == 0) break; /* Could not allocate a new cluster (disk full) */
+ if (clst == 1) ABORT(fp->fs, FR_INT_ERR);
+ if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+ fp->clust = clst; /* Update current cluster */
+ }
+#if _FS_TINY
+ if (fp->fs->winsect == fp->dsect && sync_window(fp->fs)) /* Write-back sector cache */
+ ABORT(fp->fs, FR_DISK_ERR);
+#else
+ if (fp->flag & FA__DIRTY) { /* Write-back sector cache */
+ if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
+ ABORT(fp->fs, FR_DISK_ERR);
+ fp->flag &= ~FA__DIRTY;
+ }
+#endif
+ sect = clust2sect(fp->fs, fp->clust); /* Get current sector */
+ if (!sect) ABORT(fp->fs, FR_INT_ERR);
+ sect += csect;
+ cc = btw / SS(fp->fs); /* When remaining bytes >= sector size, */
+ if (cc) { /* Write maximum contiguous sectors directly */
+ if (csect + cc > fp->fs->csize) /* Clip at cluster boundary */
+ cc = fp->fs->csize - csect;
+ if (disk_write(fp->fs->drv, wbuff, sect, (BYTE)cc) != RES_OK)
+ ABORT(fp->fs, FR_DISK_ERR);
+#if _FS_TINY
+ if (fp->fs->winsect - sect < cc) { /* Refill sector cache if it gets invalidated by the direct write */
+ mem_cpy(fp->fs->win, wbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), SS(fp->fs));
+ fp->fs->wflag = 0;
+ }
+#else
+ if (fp->dsect - sect < cc) { /* Refill sector cache if it gets invalidated by the direct write */
+ mem_cpy(fp->buf, wbuff + ((fp->dsect - sect) * SS(fp->fs)), SS(fp->fs));
+ fp->flag &= ~FA__DIRTY;
+ }
+#endif
+ wcnt = SS(fp->fs) * cc; /* Number of bytes transferred */
+ continue;
+ }
+#if _FS_TINY
+ if (fp->fptr >= fp->fsize) { /* Avoid silly cache filling at growing edge */
+ if (sync_window(fp->fs)) ABORT(fp->fs, FR_DISK_ERR);
+ fp->fs->winsect = sect;
+ }
+#else
+ if (fp->dsect != sect) { /* Fill sector cache with file data */
+ if (fp->fptr < fp->fsize &&
+ disk_read(fp->fs->drv, fp->buf, sect, 1) != RES_OK)
+ ABORT(fp->fs, FR_DISK_ERR);
+ }
+#endif
+ fp->dsect = sect;
+ }
+ wcnt = SS(fp->fs) - ((UINT)fp->fptr % SS(fp->fs));/* Put partial sector into file I/O buffer */
+ if (wcnt > btw) wcnt = btw;
+#if _FS_TINY
+ if (move_window(fp->fs, fp->dsect)) /* Move sector window */
+ ABORT(fp->fs, FR_DISK_ERR);
+ mem_cpy(&fp->fs->win[fp->fptr % SS(fp->fs)], wbuff, wcnt); /* Fit partial sector */
+ fp->fs->wflag = 1;
+#else
+ mem_cpy(&fp->buf[fp->fptr % SS(fp->fs)], wbuff, wcnt); /* Fit partial sector */
+ fp->flag |= FA__DIRTY;
+#endif
+ }
+
+ if (fp->fptr > fp->fsize) fp->fsize = fp->fptr; /* Update file size if needed */
+ fp->flag |= FA__WRITTEN; /* Set file change flag */
+
+ LEAVE_FF(fp->fs, FR_OK);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Synchronize the File Object */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_sync (
+ FIL *fp /* Pointer to the file object */
+)
+{
+ FRESULT res;
+ DWORD tm;
+ BYTE *dir;
+
+
+ res = validate(fp); /* Check validity of the object */
+ if (res == FR_OK) {
+ if (fp->flag & FA__WRITTEN) { /* Has the file been written? */
+#if !_FS_TINY /* Write-back dirty buffer */
+ if (fp->flag & FA__DIRTY) {
+ if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
+ LEAVE_FF(fp->fs, FR_DISK_ERR);
+ fp->flag &= ~FA__DIRTY;
+ }
+#endif
+ /* Update the directory entry */
+ res = move_window(fp->fs, fp->dir_sect);
+ if (res == FR_OK) {
+ dir = fp->dir_ptr;
+ dir[DIR_Attr] |= AM_ARC; /* Set archive bit */
+ ST_DWORD(dir+DIR_FileSize, fp->fsize); /* Update file size */
+ st_clust(dir, fp->sclust); /* Update start cluster */
+ tm = get_fattime(); /* Update updated time */
+ ST_DWORD(dir+DIR_WrtTime, tm);
+ ST_WORD(dir+DIR_LstAccDate, 0);
+ fp->flag &= ~FA__WRITTEN;
+ fp->fs->wflag = 1;
+ res = sync_fs(fp->fs);
+ }
+ }
+ }
+
+ LEAVE_FF(fp->fs, res);
+}
+
+#endif /* !_FS_READONLY */
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Close File */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_close (
+ FIL *fp /* Pointer to the file object to be closed */
+)
+{
+ FRESULT res;
+
+
+#if _FS_READONLY
+ res = validate(fp);
+ {
+#if _FS_REENTRANT
+ FATFS *fs = fp->fs;
+#endif
+ if (res == FR_OK) fp->fs = 0; /* Discard file object */
+ LEAVE_FF(fs, res);
+ }
+#else
+ res = f_sync(fp); /* Flush cached data */
+#if _FS_LOCK
+ if (res == FR_OK) { /* Decrement open counter */
+#if _FS_REENTRANT
+ FATFS *fs = fp->fs;;
+ res = validate(fp);
+ if (res == FR_OK) {
+ res = dec_lock(fp->lockid);
+ unlock_fs(fs, FR_OK);
+ }
+#else
+ res = dec_lock(fp->lockid);
+#endif
+ }
+#endif
+ if (res == FR_OK) fp->fs = 0; /* Discard file object */
+ return res;
+#endif
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Current Drive/Directory Handlings */
+/*-----------------------------------------------------------------------*/
+
+#if _FS_RPATH >= 1
+
+FRESULT f_chdrive (
+ BYTE drv /* Drive number */
+)
+{
+ if (drv >= _VOLUMES) return FR_INVALID_DRIVE;
+
+ CurrVol = drv;
+
+ return FR_OK;
+}
+
+BYTE f_get_current_drive(void)
+{
+ return CurrVol;
+}
+
+FRESULT f_chdir (
+ const TCHAR *path /* Pointer to the directory path */
+)
+{
+ FRESULT res;
+ DIR dj;
+ DEF_NAMEBUF;
+
+
+ res = chk_mounted(&path, &dj.fs, 0);
+ if (res == FR_OK) {
+ INIT_BUF(dj);
+ res = follow_path(&dj, path); /* Follow the path */
+ FREE_BUF();
+ if (res == FR_OK) { /* Follow completed */
+ if (!dj.dir) {
+ dj.fs->cdir = dj.sclust; /* Start directory itself */
+ } else {
+ if (dj.dir[DIR_Attr] & AM_DIR) /* Reached to the directory */
+ dj.fs->cdir = ld_clust(dj.fs, dj.dir);
+ else
+ res = FR_NO_PATH; /* Reached but a file */
+ }
+ }
+ if (res == FR_NO_FILE) res = FR_NO_PATH;
+ }
+
+ LEAVE_FF(dj.fs, res);
+}
+
+
+#if _FS_RPATH >= 2
+FRESULT f_getcwd (
+ TCHAR *buff, /* Pointer to the directory path */
+ UINT len /* Size of path */
+)
+{
+ FRESULT res;
+ DIR dj;
+ UINT i, n;
+ DWORD ccl;
+ TCHAR *tp;
+ FILINFO fno;
+ DEF_NAMEBUF;
+
+
+ *buff = 0;
+ res = chk_mounted((const TCHAR**)&buff, &dj.fs, 0); /* Get current volume */
+ if (res == FR_OK) {
+ INIT_BUF(dj);
+ i = len; /* Bottom of buffer (dir stack base) */
+ dj.sclust = dj.fs->cdir; /* Start to follow upper dir from current dir */
+ while ((ccl = dj.sclust) != 0) { /* Repeat while current dir is a sub-dir */
+ res = dir_sdi(&dj, 1); /* Get parent dir */
+ if (res != FR_OK) break;
+ res = dir_read(&dj, 0);
+ if (res != FR_OK) break;
+ dj.sclust = ld_clust(dj.fs, dj.dir); /* Goto parent dir */
+ res = dir_sdi(&dj, 0);
+ if (res != FR_OK) break;
+ do { /* Find the entry links to the child dir */
+ res = dir_read(&dj, 0);
+ if (res != FR_OK) break;
+ if (ccl == ld_clust(dj.fs, dj.dir)) break; /* Found the entry */
+ res = dir_next(&dj, 0);
+ } while (res == FR_OK);
+ if (res == FR_NO_FILE) res = FR_INT_ERR;/* It cannot be 'not found'. */
+ if (res != FR_OK) break;
+#if _USE_LFN
+ fno.lfname = buff;
+ fno.lfsize = i;
+#endif
+ get_fileinfo(&dj, &fno); /* Get the dir name and push it to the buffer */
+ tp = fno.fname;
+ if (_USE_LFN && *buff) tp = buff;
+ for (n = 0; tp[n]; n++) ;
+ if (i < n + 3) {
+ res = FR_NOT_ENOUGH_CORE; break;
+ }
+ while (n) buff[--i] = tp[--n];
+ buff[--i] = '/';
+ }
+ tp = buff;
+ if (res == FR_OK) {
+ *tp++ = '0' + CurrVol; /* Put drive number */
+ *tp++ = ':';
+ if (i == len) { /* Root-dir */
+ *tp++ = '/';
+ } else { /* Sub-dir */
+ do /* Add stacked path str */
+ *tp++ = buff[i++];
+ while (i < len);
+ }
+ }
+ *tp = 0;
+ FREE_BUF();
+ }
+
+ LEAVE_FF(dj.fs, res);
+}
+#endif /* _FS_RPATH >= 2 */
+#endif /* _FS_RPATH >= 1 */
+
+
+
+#if _FS_MINIMIZE <= 2
+/*-----------------------------------------------------------------------*/
+/* Seek File R/W Pointer */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_lseek (
+ FIL *fp, /* Pointer to the file object */
+ DWORD ofs /* File pointer from top of file */
+)
+{
+ FRESULT res;
+
+
+ res = validate(fp); /* Check validity of the object */
+ if (res != FR_OK) LEAVE_FF(fp->fs, res);
+ if (fp->flag & FA__ERROR) /* Check abort flag */
+ LEAVE_FF(fp->fs, FR_INT_ERR);
+
+#if _USE_FASTSEEK
+ if (fp->cltbl) { /* Fast seek */
+ DWORD cl, pcl, ncl, tcl, dsc, tlen, ulen, *tbl;
+
+ if (ofs == CREATE_LINKMAP) { /* Create CLMT */
+ tbl = fp->cltbl;
+ tlen = *tbl++; ulen = 2; /* Given table size and required table size */
+ cl = fp->sclust; /* Top of the chain */
+ if (cl) {
+ do {
+ /* Get a fragment */
+ tcl = cl; ncl = 0; ulen += 2; /* Top, length and used items */
+ do {
+ pcl = cl; ncl++;
+ cl = get_fat(fp->fs, cl);
+ if (cl <= 1) ABORT(fp->fs, FR_INT_ERR);
+ if (cl == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+ } while (cl == pcl + 1);
+ if (ulen <= tlen) { /* Store the length and top of the fragment */
+ *tbl++ = ncl; *tbl++ = tcl;
+ }
+ } while (cl < fp->fs->n_fatent); /* Repeat until end of chain */
+ }
+ *fp->cltbl = ulen; /* Number of items used */
+ if (ulen <= tlen)
+ *tbl = 0; /* Terminate table */
+ else
+ res = FR_NOT_ENOUGH_CORE; /* Given table size is smaller than required */
+
+ } else { /* Fast seek */
+ if (ofs > fp->fsize) /* Clip offset at the file size */
+ ofs = fp->fsize;
+ fp->fptr = ofs; /* Set file pointer */
+ if (ofs) {
+ fp->clust = clmt_clust(fp, ofs - 1);
+ dsc = clust2sect(fp->fs, fp->clust);
+ if (!dsc) ABORT(fp->fs, FR_INT_ERR);
+ dsc += (ofs - 1) / SS(fp->fs) & (fp->fs->csize - 1);
+ if (fp->fptr % SS(fp->fs) && dsc != fp->dsect) { /* Refill sector cache if needed */
+#if !_FS_TINY
+#if !_FS_READONLY
+ if (fp->flag & FA__DIRTY) { /* Write-back dirty sector cache */
+ if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
+ ABORT(fp->fs, FR_DISK_ERR);
+ fp->flag &= ~FA__DIRTY;
+ }
+#endif
+ if (disk_read(fp->fs->drv, fp->buf, dsc, 1) != RES_OK) /* Load current sector */
+ ABORT(fp->fs, FR_DISK_ERR);
+#endif
+ fp->dsect = dsc;
+ }
+ }
+ }
+ } else
+#endif
+
+ /* Normal Seek */
+ {
+ DWORD clst, bcs, nsect, ifptr;
+
+ if (ofs > fp->fsize /* In read-only mode, clip offset with the file size */
+#if !_FS_READONLY
+ && !(fp->flag & FA_WRITE)
+#endif
+ ) ofs = fp->fsize;
+
+ ifptr = fp->fptr;
+ fp->fptr = nsect = 0;
+ if (ofs) {
+ bcs = (DWORD)fp->fs->csize * SS(fp->fs); /* Cluster size (byte) */
+ if (ifptr > 0 &&
+ (ofs - 1) / bcs >= (ifptr - 1) / bcs) { /* When seek to same or following cluster, */
+ fp->fptr = (ifptr - 1) & ~(bcs - 1); /* start from the current cluster */
+ ofs -= fp->fptr;
+ clst = fp->clust;
+ } else { /* When seek to back cluster, */
+ clst = fp->sclust; /* start from the first cluster */
+#if !_FS_READONLY
+ if (clst == 0) { /* If no cluster chain, create a new chain */
+ clst = create_chain(fp->fs, 0);
+ if (clst == 1) ABORT(fp->fs, FR_INT_ERR);
+ if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+ fp->sclust = clst;
+ }
+#endif
+ fp->clust = clst;
+ }
+ if (clst != 0) {
+ while (ofs > bcs) { /* Cluster following loop */
+#if !_FS_READONLY
+ if (fp->flag & FA_WRITE) { /* Check if in write mode or not */
+ clst = create_chain(fp->fs, clst); /* Force stretch if in write mode */
+ if (clst == 0) { /* When disk gets full, clip file size */
+ ofs = bcs; break;
+ }
+ } else
+#endif
+ clst = get_fat(fp->fs, clst); /* Follow cluster chain if not in write mode */
+ if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+ if (clst <= 1 || clst >= fp->fs->n_fatent) ABORT(fp->fs, FR_INT_ERR);
+ fp->clust = clst;
+ fp->fptr += bcs;
+ ofs -= bcs;
+ }
+ fp->fptr += ofs;
+ if (ofs % SS(fp->fs)) {
+ nsect = clust2sect(fp->fs, clst); /* Current sector */
+ if (!nsect) ABORT(fp->fs, FR_INT_ERR);
+ nsect += ofs / SS(fp->fs);
+ }
+ }
+ }
+ if (fp->fptr % SS(fp->fs) && nsect != fp->dsect) { /* Fill sector cache if needed */
+#if !_FS_TINY
+#if !_FS_READONLY
+ if (fp->flag & FA__DIRTY) { /* Write-back dirty sector cache */
+ if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK)
+ ABORT(fp->fs, FR_DISK_ERR);
+ fp->flag &= ~FA__DIRTY;
+ }
+#endif
+ if (disk_read(fp->fs->drv, fp->buf, nsect, 1) != RES_OK) /* Fill sector cache */
+ ABORT(fp->fs, FR_DISK_ERR);
+#endif
+ fp->dsect = nsect;
+ }
+#if !_FS_READONLY
+ if (fp->fptr > fp->fsize) { /* Set file change flag if the file size is extended */
+ fp->fsize = fp->fptr;
+ fp->flag |= FA__WRITTEN;
+ }
+#endif
+ }
+
+ LEAVE_FF(fp->fs, res);
+}
+
+
+
+#if _FS_MINIMIZE <= 1
+/*-----------------------------------------------------------------------*/
+/* Create a Directory Object */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_opendir (
+ DIR *dj, /* Pointer to directory object to create */
+ const TCHAR *path /* Pointer to the directory path */
+)
+{
+ FRESULT res;
+ FATFS *fs;
+ DEF_NAMEBUF;
+
+
+ if (!dj) return FR_INVALID_OBJECT;
+
+ res = chk_mounted(&path, &dj->fs, 0);
+ fs = dj->fs;
+ if (res == FR_OK) {
+ INIT_BUF(*dj);
+ res = follow_path(dj, path); /* Follow the path to the directory */
+ FREE_BUF();
+ if (res == FR_OK) { /* Follow completed */
+ if (dj->dir) { /* It is not the root dir */
+ if (dj->dir[DIR_Attr] & AM_DIR) { /* The object is a directory */
+ dj->sclust = ld_clust(fs, dj->dir);
+ } else { /* The object is not a directory */
+ res = FR_NO_PATH;
+ }
+ }
+ if (res == FR_OK) {
+ dj->id = fs->id;
+ res = dir_sdi(dj, 0); /* Rewind dir */
+ }
+ }
+ if (res == FR_NO_FILE) res = FR_NO_PATH;
+ if (res != FR_OK) dj->fs = 0; /* Invalidate the dir object if function faild */
+ } else {
+ dj->fs = 0;
+ }
+
+ LEAVE_FF(fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Read Directory Entry in Sequence */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_readdir (
+ DIR *dj, /* Pointer to the open directory object */
+ FILINFO *fno /* Pointer to file information to return */
+)
+{
+ FRESULT res;
+ DEF_NAMEBUF;
+
+
+ res = validate(dj); /* Check validity of the object */
+ if (res == FR_OK) {
+ if (!fno) {
+ res = dir_sdi(dj, 0); /* Rewind the directory object */
+ } else {
+ INIT_BUF(*dj);
+ res = dir_read(dj, 0); /* Read an item */
+ if (res == FR_NO_FILE) { /* Reached end of dir */
+ dj->sect = 0;
+ res = FR_OK;
+ }
+ if (res == FR_OK) { /* A valid entry is found */
+ get_fileinfo(dj, fno); /* Get the object information */
+ res = dir_next(dj, 0); /* Increment index for next */
+ if (res == FR_NO_FILE) {
+ dj->sect = 0;
+ res = FR_OK;
+ }
+ }
+ FREE_BUF();
+ }
+ }
+
+ LEAVE_FF(dj->fs, res);
+}
+
+
+
+#if _FS_MINIMIZE == 0
+/*-----------------------------------------------------------------------*/
+/* Get File Status */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_stat (
+ const TCHAR *path, /* Pointer to the file path */
+ FILINFO *fno /* Pointer to file information to return */
+)
+{
+ FRESULT res;
+ DIR dj;
+ DEF_NAMEBUF;
+
+
+ res = chk_mounted(&path, &dj.fs, 0);
+ if (res == FR_OK) {
+ INIT_BUF(dj);
+ res = follow_path(&dj, path); /* Follow the file path */
+ if (res == FR_OK) { /* Follow completed */
+ if (dj.dir) /* Found an object */
+ get_fileinfo(&dj, fno);
+ else /* It is root dir */
+ res = FR_INVALID_NAME;
+ }
+ FREE_BUF();
+ }
+
+ LEAVE_FF(dj.fs, res);
+}
+
+
+
+#if !_FS_READONLY
+/*-----------------------------------------------------------------------*/
+/* Get Number of Free Clusters */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_getfree (
+ const TCHAR *path, /* Path name of the logical drive number */
+ DWORD *nclst, /* Pointer to a variable to return number of free clusters */
+ FATFS **fatfs /* Pointer to return pointer to corresponding file system object */
+)
+{
+ FRESULT res;
+ FATFS *fs;
+ DWORD n, clst, sect, stat;
+ UINT i;
+ BYTE fat, *p;
+
+
+ /* Get drive number */
+ res = chk_mounted(&path, fatfs, 0);
+ fs = *fatfs;
+ if (res == FR_OK) {
+ /* If free_clust is valid, return it without full cluster scan */
+ if (fs->free_clust <= fs->n_fatent - 2) {
+ *nclst = fs->free_clust;
+ } else {
+ /* Get number of free clusters */
+ fat = fs->fs_type;
+ n = 0;
+ if (fat == FS_FAT12) {
+ clst = 2;
+ do {
+ stat = get_fat(fs, clst);
+ if (stat == 0xFFFFFFFF) { res = FR_DISK_ERR; break; }
+ if (stat == 1) { res = FR_INT_ERR; break; }
+ if (stat == 0) n++;
+ } while (++clst < fs->n_fatent);
+ } else {
+ clst = fs->n_fatent;
+ sect = fs->fatbase;
+ i = 0; p = 0;
+ do {
+ if (!i) {
+ res = move_window(fs, sect++);
+ if (res != FR_OK) break;
+ p = fs->win;
+ i = SS(fs);
+ }
+ if (fat == FS_FAT16) {
+ if (LD_WORD(p) == 0) n++;
+ p += 2; i -= 2;
+ } else {
+ if ((LD_DWORD(p) & 0x0FFFFFFF) == 0) n++;
+ p += 4; i -= 4;
+ }
+ } while (--clst);
+ }
+ fs->free_clust = n;
+ if (fat == FS_FAT32) fs->fsi_flag = 1;
+ *nclst = n;
+ }
+ }
+ LEAVE_FF(fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Truncate File */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_truncate (
+ FIL *fp /* Pointer to the file object */
+)
+{
+ FRESULT res;
+ DWORD ncl;
+
+
+ res = validate(fp); /* Check validity of the object */
+ if (res == FR_OK) {
+ if (fp->flag & FA__ERROR) { /* Check abort flag */
+ res = FR_INT_ERR;
+ } else {
+ if (!(fp->flag & FA_WRITE)) /* Check access mode */
+ res = FR_DENIED;
+ }
+ }
+ if (res == FR_OK) {
+ if (fp->fsize > fp->fptr) {
+ fp->fsize = fp->fptr; /* Set file size to current R/W point */
+ fp->flag |= FA__WRITTEN;
+ if (fp->fptr == 0) { /* When set file size to zero, remove entire cluster chain */
+ res = remove_chain(fp->fs, fp->sclust);
+ fp->sclust = 0;
+ } else { /* When truncate a part of the file, remove remaining clusters */
+ ncl = get_fat(fp->fs, fp->clust);
+ res = FR_OK;
+ if (ncl == 0xFFFFFFFF) res = FR_DISK_ERR;
+ if (ncl == 1) res = FR_INT_ERR;
+ if (res == FR_OK && ncl < fp->fs->n_fatent) {
+ res = put_fat(fp->fs, fp->clust, 0x0FFFFFFF);
+ if (res == FR_OK) res = remove_chain(fp->fs, ncl);
+ }
+ }
+ }
+ if (res != FR_OK) fp->flag |= FA__ERROR;
+ }
+
+ LEAVE_FF(fp->fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Delete a File or Directory */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_unlink (
+ const TCHAR *path /* Pointer to the file or directory path */
+)
+{
+ FRESULT res;
+ DIR dj, sdj;
+ BYTE *dir;
+ DWORD dclst;
+ DEF_NAMEBUF;
+
+
+ res = chk_mounted(&path, &dj.fs, 1);
+ if (res == FR_OK) {
+ INIT_BUF(dj);
+ res = follow_path(&dj, path); /* Follow the file path */
+ if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT))
+ res = FR_INVALID_NAME; /* Cannot remove dot entry */
+#if _FS_LOCK
+ if (res == FR_OK) res = chk_lock(&dj, 2); /* Cannot remove open file */
+#endif
+ if (res == FR_OK) { /* The object is accessible */
+ dir = dj.dir;
+ if (!dir) {
+ res = FR_INVALID_NAME; /* Cannot remove the start directory */
+ } else {
+ if (dir[DIR_Attr] & AM_RDO)
+ res = FR_DENIED; /* Cannot remove R/O object */
+ }
+ dclst = ld_clust(dj.fs, dir);
+ if (res == FR_OK && (dir[DIR_Attr] & AM_DIR)) { /* Is it a sub-dir? */
+ if (dclst < 2) {
+ res = FR_INT_ERR;
+ } else {
+ mem_cpy(&sdj, &dj, sizeof (DIR)); /* Check if the sub-dir is empty or not */
+ sdj.sclust = dclst;
+ res = dir_sdi(&sdj, 2); /* Exclude dot entries */
+ if (res == FR_OK) {
+ res = dir_read(&sdj, 0); /* Read an item */
+ if (res == FR_OK /* Not empty dir */
+#if _FS_RPATH
+ || dclst == dj.fs->cdir /* Current dir */
+#endif
+ ) res = FR_DENIED;
+ if (res == FR_NO_FILE) res = FR_OK; /* Empty */
+ }
+ }
+ }
+ if (res == FR_OK) {
+ res = dir_remove(&dj); /* Remove the directory entry */
+ if (res == FR_OK) {
+ if (dclst) /* Remove the cluster chain if exist */
+ res = remove_chain(dj.fs, dclst);
+ if (res == FR_OK) res = sync_fs(dj.fs);
+ }
+ }
+ }
+ FREE_BUF();
+ }
+
+ LEAVE_FF(dj.fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Create a Directory */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_mkdir (
+ const TCHAR *path /* Pointer to the directory path */
+)
+{
+ FRESULT res;
+ DIR dj;
+ BYTE *dir, n;
+ DWORD dsc, dcl, pcl, tm = get_fattime();
+ DEF_NAMEBUF;
+
+
+ res = chk_mounted(&path, &dj.fs, 1);
+ if (res == FR_OK) {
+ INIT_BUF(dj);
+ res = follow_path(&dj, path); /* Follow the file path */
+ if (res == FR_OK) res = FR_EXIST; /* Any object with same name is already existing */
+ if (_FS_RPATH && res == FR_NO_FILE && (dj.fn[NS] & NS_DOT))
+ res = FR_INVALID_NAME;
+ if (res == FR_NO_FILE) { /* Can create a new directory */
+ dcl = create_chain(dj.fs, 0); /* Allocate a cluster for the new directory table */
+ res = FR_OK;
+ if (dcl == 0) res = FR_DENIED; /* No space to allocate a new cluster */
+ if (dcl == 1) res = FR_INT_ERR;
+ if (dcl == 0xFFFFFFFF) res = FR_DISK_ERR;
+ if (res == FR_OK) /* Flush FAT */
+ res = sync_window(dj.fs);
+ if (res == FR_OK) { /* Initialize the new directory table */
+ dsc = clust2sect(dj.fs, dcl);
+ dir = dj.fs->win;
+ mem_set(dir, 0, SS(dj.fs));
+ mem_set(dir+DIR_Name, ' ', 11); /* Create "." entry */
+ dir[DIR_Name] = '.';
+ dir[DIR_Attr] = AM_DIR;
+ ST_DWORD(dir+DIR_WrtTime, tm);
+ st_clust(dir, dcl);
+ mem_cpy(dir+SZ_DIR, dir, SZ_DIR); /* Create ".." entry */
+ dir[33] = '.'; pcl = dj.sclust;
+ if (dj.fs->fs_type == FS_FAT32 && pcl == dj.fs->dirbase)
+ pcl = 0;
+ st_clust(dir+SZ_DIR, pcl);
+ for (n = dj.fs->csize; n; n--) { /* Write dot entries and clear following sectors */
+ dj.fs->winsect = dsc++;
+ dj.fs->wflag = 1;
+ res = sync_window(dj.fs);
+ if (res != FR_OK) break;
+ mem_set(dir, 0, SS(dj.fs));
+ }
+ }
+ if (res == FR_OK) res = dir_register(&dj); /* Register the object to the directoy */
+ if (res != FR_OK) {
+ remove_chain(dj.fs, dcl); /* Could not register, remove cluster chain */
+ } else {
+ dir = dj.dir;
+ dir[DIR_Attr] = AM_DIR; /* Attribute */
+ ST_DWORD(dir+DIR_WrtTime, tm); /* Created time */
+ st_clust(dir, dcl); /* Table start cluster */
+ dj.fs->wflag = 1;
+ res = sync_fs(dj.fs);
+ }
+ }
+ FREE_BUF();
+ }
+
+ LEAVE_FF(dj.fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Change Attribute */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_chmod (
+ const TCHAR *path, /* Pointer to the file path */
+ BYTE value, /* Attribute bits */
+ BYTE mask /* Attribute mask to change */
+)
+{
+ FRESULT res;
+ DIR dj;
+ BYTE *dir;
+ DEF_NAMEBUF;
+
+
+ res = chk_mounted(&path, &dj.fs, 1);
+ if (res == FR_OK) {
+ INIT_BUF(dj);
+ res = follow_path(&dj, path); /* Follow the file path */
+ FREE_BUF();
+ if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT))
+ res = FR_INVALID_NAME;
+ if (res == FR_OK) {
+ dir = dj.dir;
+ if (!dir) { /* Is it a root directory? */
+ res = FR_INVALID_NAME;
+ } else { /* File or sub directory */
+ mask &= AM_RDO|AM_HID|AM_SYS|AM_ARC; /* Valid attribute mask */
+ dir[DIR_Attr] = (value & mask) | (dir[DIR_Attr] & (BYTE)~mask); /* Apply attribute change */
+ dj.fs->wflag = 1;
+ res = sync_fs(dj.fs);
+ }
+ }
+ }
+
+ LEAVE_FF(dj.fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Change Timestamp */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_utime (
+ const TCHAR *path, /* Pointer to the file/directory name */
+ const FILINFO *fno /* Pointer to the time stamp to be set */
+)
+{
+ FRESULT res;
+ DIR dj;
+ BYTE *dir;
+ DEF_NAMEBUF;
+
+
+ res = chk_mounted(&path, &dj.fs, 1);
+ if (res == FR_OK) {
+ INIT_BUF(dj);
+ res = follow_path(&dj, path); /* Follow the file path */
+ FREE_BUF();
+ if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT))
+ res = FR_INVALID_NAME;
+ if (res == FR_OK) {
+ dir = dj.dir;
+ if (!dir) { /* Root directory */
+ res = FR_INVALID_NAME;
+ } else { /* File or sub-directory */
+ ST_WORD(dir+DIR_WrtTime, fno->ftime);
+ ST_WORD(dir+DIR_WrtDate, fno->fdate);
+ dj.fs->wflag = 1;
+ res = sync_fs(dj.fs);
+ }
+ }
+ }
+
+ LEAVE_FF(dj.fs, res);
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Rename File/Directory */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_rename (
+ const TCHAR *path_old, /* Pointer to the old name */
+ const TCHAR *path_new /* Pointer to the new name */
+)
+{
+ FRESULT res;
+ DIR djo, djn;
+ BYTE buf[21], *dir;
+ DWORD dw;
+ DEF_NAMEBUF;
+
+
+ res = chk_mounted(&path_old, &djo.fs, 1);
+ if (res == FR_OK) {
+ djn.fs = djo.fs;
+ INIT_BUF(djo);
+ res = follow_path(&djo, path_old); /* Check old object */
+ if (_FS_RPATH && res == FR_OK && (djo.fn[NS] & NS_DOT))
+ res = FR_INVALID_NAME;
+#if _FS_LOCK
+ if (res == FR_OK) res = chk_lock(&djo, 2);
+#endif
+ if (res == FR_OK) { /* Old object is found */
+ if (!djo.dir) { /* Is root dir? */
+ res = FR_NO_FILE;
+ } else {
+ mem_cpy(buf, djo.dir+DIR_Attr, 21); /* Save the object information except for name */
+ mem_cpy(&djn, &djo, sizeof (DIR)); /* Check new object */
+ res = follow_path(&djn, path_new);
+ if (res == FR_OK) res = FR_EXIST; /* The new object name is already existing */
+ if (res == FR_NO_FILE) { /* Is it a valid path and no name collision? */
+/* Start critical section that any interruption can cause a cross-link */
+ res = dir_register(&djn); /* Register the new entry */
+ if (res == FR_OK) {
+ dir = djn.dir; /* Copy object information except for name */
+ mem_cpy(dir+13, buf+2, 19);
+ dir[DIR_Attr] = buf[0] | AM_ARC;
+ djo.fs->wflag = 1;
+ if (djo.sclust != djn.sclust && (dir[DIR_Attr] & AM_DIR)) { /* Update .. entry in the directory if needed */
+ dw = clust2sect(djo.fs, ld_clust(djo.fs, dir));
+ if (!dw) {
+ res = FR_INT_ERR;
+ } else {
+ res = move_window(djo.fs, dw);
+ dir = djo.fs->win+SZ_DIR; /* .. entry */
+ if (res == FR_OK && dir[1] == '.') {
+ dw = (djo.fs->fs_type == FS_FAT32 && djn.sclust == djo.fs->dirbase) ? 0 : djn.sclust;
+ st_clust(dir, dw);
+ djo.fs->wflag = 1;
+ }
+ }
+ }
+ if (res == FR_OK) {
+ res = dir_remove(&djo); /* Remove old entry */
+ if (res == FR_OK)
+ res = sync_fs(djo.fs);
+ }
+ }
+/* End critical section */
+ }
+ }
+ }
+ FREE_BUF();
+ }
+
+ LEAVE_FF(djo.fs, res);
+}
+
+#endif /* !_FS_READONLY */
+#endif /* _FS_MINIMIZE == 0 */
+#endif /* _FS_MINIMIZE <= 1 */
+#endif /* _FS_MINIMIZE <= 2 */
+
+
+
+#if _USE_LABEL
+/*-----------------------------------------------------------------------*/
+/* Get volume label */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_getlabel (
+ const TCHAR* path, /* Path name of the logical drive number */
+ TCHAR* label, /* Pointer to a buffer to return the volume label */
+ DWORD* sn /* Pointer to a variable to return the volume serial number */
+)
+{
+ FRESULT res;
+ DIR dj;
+ UINT i, j;
+
+
+ /* Get logical drive */
+ res = chk_mounted(&path, &dj.fs, 0);
+
+ /* Get volume label */
+ if (res == FR_OK && label) {
+ dj.sclust = 0; /* Open root dir */
+ res = dir_sdi(&dj, 0);
+ if (res == FR_OK) {
+ res = dir_read(&dj, 1); /* Get an entry with AM_VOL */
+ if (res == FR_OK) { /* A volume label is exist */
+#if _LFN_UNICODE
+ WCHAR w;
+ i = j = 0;
+ do {
+ w = (i < 11) ? dj.dir[i++] : ' ';
+ if (IsDBCS1(w) && i < 11 && IsDBCS2(dj.dir[i]))
+ w = (w << 8) | dj.dir[i++];
+ label[j++] = ff_convert(w, 1);
+ } while (j < 11);
+#else
+ mem_cpy(label, dj.dir, 11);
+#endif
+ j = 11;
+ do {
+ label[j] = 0;
+ if (!j) break;
+ } while (label[--j] == ' ');
+ }
+ if (res == FR_NO_FILE) { /* No label, return nul string */
+ label[0] = 0;
+ res = FR_OK;
+ }
+ }
+ }
+
+ /* Get volume serial number */
+ if (res == FR_OK && sn) {
+ res = move_window(dj.fs, dj.fs->volbase);
+ if (res == FR_OK) {
+ i = dj.fs->fs_type == FS_FAT32 ? BS_VolID32 : BS_VolID;
+ *sn = LD_DWORD(&dj.fs->win[i]);
+ }
+ }
+
+ LEAVE_FF(dj.fs, res);
+}
+
+
+
+#if !_FS_READONLY
+/*-----------------------------------------------------------------------*/
+/* Set volume label */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_setlabel (
+ const TCHAR* label /* Pointer to the volume label to set */
+)
+{
+ FRESULT res;
+ DIR dj;
+ BYTE vn[11];
+ UINT i, j, sl;
+ WCHAR w;
+ DWORD tm;
+
+
+ /* Get logical drive */
+ res = chk_mounted(&label, &dj.fs, 1);
+ if (res) LEAVE_FF(dj.fs, res);
+
+ /* Create a volume label in directory form */
+ vn[0] = 0;
+ for (sl = 0; label[sl]; sl++) ; /* Get name length */
+ for ( ; sl && label[sl-1] == ' '; sl--) ; /* Remove trailing spaces */
+ if (sl) { /* Create volume label in directory form */
+ i = j = 0;
+ do {
+#if _LFN_UNICODE
+ w = ff_convert(ff_wtoupper(label[i++]), 0);
+#else
+ w = (BYTE)label[i++];
+ if (IsDBCS1(w))
+ w = (j < 10 && i < sl && IsDBCS2(label[i])) ? (w << 8) | (BYTE)label[i++] : 0;
+#if _USE_LFN
+ w = ff_convert(ff_wtoupper(ff_convert(w, 1)), 0);
+#else
+ if (IsLower(w)) w -= 0x20; /* To upper ASCII chars */
+#ifdef _EXCVT
+ if (w >= 0x80) w = ExCvt[w - 0x80]; /* To upper extended chars (SBCS cfg) */
+#else
+ if (!_DF1S && w >= 0x80) w = 0; /* Reject extended chars (ASCII cfg) */
+#endif
+#endif
+#endif
+ if (!w || chk_chr("\"*+,.:;<=>\?[]|\x7F", w) || j >= (UINT)((w >= 0x100) ? 10 : 11)) /* Reject invalid chars for volume label */
+ LEAVE_FF(dj.fs, FR_INVALID_NAME);
+ if (w >= 0x100) vn[j++] = (BYTE)(w >> 8);
+ vn[j++] = (BYTE)w;
+ } while (i < sl);
+ while (j < 11) vn[j++] = ' ';
+ }
+
+ /* Set volume label */
+ dj.sclust = 0; /* Open root dir */
+ res = dir_sdi(&dj, 0);
+ if (res == FR_OK) {
+ res = dir_read(&dj, 1); /* Get an entry with AM_VOL */
+ if (res == FR_OK) { /* A volume label is found */
+ if (vn[0]) {
+ mem_cpy(dj.dir, vn, 11); /* Change the volume label name */
+ tm = get_fattime();
+ ST_DWORD(dj.dir+DIR_WrtTime, tm);
+ } else {
+ dj.dir[0] = DDE; /* Remove the volume label */
+ }
+ dj.fs->wflag = 1;
+ res = sync_fs(dj.fs);
+ } else { /* No volume label is found or error */
+ if (res == FR_NO_FILE) {
+ res = FR_OK;
+ if (vn[0]) { /* Create volume label as new */
+ res = dir_alloc(&dj, 1); /* Allocate an entry for volume label */
+ if (res == FR_OK) {
+ mem_set(dj.dir, 0, SZ_DIR); /* Set volume label */
+ mem_cpy(dj.dir, vn, 11);
+ dj.dir[DIR_Attr] = AM_VOL;
+ tm = get_fattime();
+ ST_DWORD(dj.dir+DIR_WrtTime, tm);
+ dj.fs->wflag = 1;
+ res = sync_fs(dj.fs);
+ }
+ }
+ }
+ }
+ }
+
+ LEAVE_FF(dj.fs, res);
+}
+
+#endif /* !_FS_READONLY */
+#endif /* _USE_LABEL */
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Forward data to the stream directly (available on only tiny cfg) */
+/*-----------------------------------------------------------------------*/
+#if _USE_FORWARD && _FS_TINY
+
+FRESULT f_forward (
+ FIL *fp, /* Pointer to the file object */
+ UINT (*func)(const BYTE*,UINT), /* Pointer to the streaming function */
+ UINT btf, /* Number of bytes to forward */
+ UINT *bf /* Pointer to number of bytes forwarded */
+)
+{
+ FRESULT res;
+ DWORD remain, clst, sect;
+ UINT rcnt;
+ BYTE csect;
+
+
+ *bf = 0; /* Clear transfer byte counter */
+
+ res = validate(fp); /* Check validity of the object */
+ if (res != FR_OK) LEAVE_FF(fp->fs, res);
+ if (fp->flag & FA__ERROR) /* Check error flag */
+ LEAVE_FF(fp->fs, FR_INT_ERR);
+ if (!(fp->flag & FA_READ)) /* Check access mode */
+ LEAVE_FF(fp->fs, FR_DENIED);
+
+ remain = fp->fsize - fp->fptr;
+ if (btf > remain) btf = (UINT)remain; /* Truncate btf by remaining bytes */
+
+ for ( ; btf && (*func)(0, 0); /* Repeat until all data transferred or stream becomes busy */
+ fp->fptr += rcnt, *bf += rcnt, btf -= rcnt) {
+ csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1)); /* Sector offset in the cluster */
+ if ((fp->fptr % SS(fp->fs)) == 0) { /* On the sector boundary? */
+ if (!csect) { /* On the cluster boundary? */
+ clst = (fp->fptr == 0) ? /* On the top of the file? */
+ fp->sclust : get_fat(fp->fs, fp->clust);
+ if (clst <= 1) ABORT(fp->fs, FR_INT_ERR);
+ if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR);
+ fp->clust = clst; /* Update current cluster */
+ }
+ }
+ sect = clust2sect(fp->fs, fp->clust); /* Get current data sector */
+ if (!sect) ABORT(fp->fs, FR_INT_ERR);
+ sect += csect;
+ if (move_window(fp->fs, sect)) /* Move sector window */
+ ABORT(fp->fs, FR_DISK_ERR);
+ fp->dsect = sect;
+ rcnt = SS(fp->fs) - (WORD)(fp->fptr % SS(fp->fs)); /* Forward data from sector window */
+ if (rcnt > btf) rcnt = btf;
+ rcnt = (*func)(&fp->fs->win[(WORD)fp->fptr % SS(fp->fs)], rcnt);
+ if (!rcnt) ABORT(fp->fs, FR_INT_ERR);
+ }
+
+ LEAVE_FF(fp->fs, FR_OK);
+}
+#endif /* _USE_FORWARD */
+
+
+
+#if _USE_MKFS && !_FS_READONLY
+/*-----------------------------------------------------------------------*/
+/* Create File System on the Drive */
+/*-----------------------------------------------------------------------*/
+#define N_ROOTDIR 512 /* Number of root dir entries for FAT12/16 */
+#define N_FATS 1 /* Number of FAT copies (1 or 2) */
+
+
+FRESULT f_mkfs (
+ BYTE vol, /* Logical drive number */
+ BYTE sfd, /* Partitioning rule 0:FDISK, 1:SFD */
+ UINT au /* Allocation unit size [bytes] */
+)
+{
+ static const WORD vst[] = { 1024, 512, 256, 128, 64, 32, 16, 8, 4, 2, 0};
+ static const WORD cst[] = {32768, 16384, 8192, 4096, 2048, 16384, 8192, 4096, 2048, 1024, 512};
+ BYTE fmt, md, sys, *tbl, pdrv, part;
+ DWORD n_clst, vs, n, wsect;
+ UINT i;
+ DWORD b_vol, b_fat, b_dir, b_data; /* LBA */
+ DWORD n_vol, n_rsv, n_fat, n_dir; /* Size */
+ FATFS *fs;
+ DSTATUS stat;
+
+
+ /* Check mounted drive and clear work area */
+ if (vol >= _VOLUMES) return FR_INVALID_DRIVE;
+ if (sfd > 1) return FR_INVALID_PARAMETER;
+ if (au & (au - 1)) return FR_INVALID_PARAMETER;
+ fs = FatFs[vol];
+ if (!fs) return FR_NOT_ENABLED;
+ fs->fs_type = 0;
+ pdrv = LD2PD(vol); /* Physical drive */
+ part = LD2PT(vol); /* Partition (0:auto detect, 1-4:get from partition table)*/
+
+ /* Get disk statics */
+ stat = disk_initialize(pdrv);
+ if (stat & STA_NOINIT) return FR_NOT_READY;
+ if (stat & STA_PROTECT) return FR_WRITE_PROTECTED;
+#if _MAX_SS != 512 /* Get disk sector size */
+ if (disk_ioctl(pdrv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK || SS(fs) > _MAX_SS)
+ return FR_DISK_ERR;
+#endif
+ if (_MULTI_PARTITION && part) {
+ /* Get partition information from partition table in the MBR */
+ if (disk_read(pdrv, fs->win, 0, 1) != RES_OK) return FR_DISK_ERR;
+ if (LD_WORD(fs->win+BS_55AA) != 0xAA55) return FR_MKFS_ABORTED;
+ tbl = &fs->win[MBR_Table + (part - 1) * SZ_PTE];
+ if (!tbl[4]) return FR_MKFS_ABORTED; /* No partition? */
+ b_vol = LD_DWORD(tbl+8); /* Volume start sector */
+ n_vol = LD_DWORD(tbl+12); /* Volume size */
+ } else {
+ /* Create a partition in this function */
+ if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &n_vol) != RES_OK || n_vol < 128)
+ return FR_DISK_ERR;
+ b_vol = (sfd) ? 0 : 63; /* Volume start sector */
+ n_vol -= b_vol; /* Volume size */
+ }
+
+ if (!au) { /* AU auto selection */
+ vs = n_vol / (2000 / (SS(fs) / 512));
+ for (i = 0; vs < vst[i]; i++) ;
+ au = cst[i];
+ }
+ au /= SS(fs); /* Number of sectors per cluster */
+ if (au == 0) au = 1;
+ if (au > 128) au = 128;
+
+ /* Pre-compute number of clusters and FAT sub-type */
+ n_clst = n_vol / au;
+ fmt = FS_FAT12;
+ if (n_clst >= MIN_FAT16) fmt = FS_FAT16;
+ if (n_clst >= MIN_FAT32) fmt = FS_FAT32;
+
+ /* Determine offset and size of FAT structure */
+ if (fmt == FS_FAT32) {
+ n_fat = ((n_clst * 4) + 8 + SS(fs) - 1) / SS(fs);
+ n_rsv = 32;
+ n_dir = 0;
+ } else {
+ n_fat = (fmt == FS_FAT12) ? (n_clst * 3 + 1) / 2 + 3 : (n_clst * 2) + 4;
+ n_fat = (n_fat + SS(fs) - 1) / SS(fs);
+ n_rsv = 1;
+ n_dir = (DWORD)N_ROOTDIR * SZ_DIR / SS(fs);
+ }
+ b_fat = b_vol + n_rsv; /* FAT area start sector */
+ b_dir = b_fat + n_fat * N_FATS; /* Directory area start sector */
+ b_data = b_dir + n_dir; /* Data area start sector */
+ if (n_vol < b_data + au - b_vol) return FR_MKFS_ABORTED; /* Too small volume */
+
+ /* Align data start sector to erase block boundary (for flash memory media) */
+ if (disk_ioctl(pdrv, GET_BLOCK_SIZE, &n) != RES_OK || !n || n > 32768) n = 1;
+ n = (b_data + n - 1) & ~(n - 1); /* Next nearest erase block from current data start */
+ n = (n - b_data) / N_FATS;
+ if (fmt == FS_FAT32) { /* FAT32: Move FAT offset */
+ n_rsv += n;
+ b_fat += n;
+ } else { /* FAT12/16: Expand FAT size */
+ n_fat += n;
+ }
+
+ /* Determine number of clusters and final check of validity of the FAT sub-type */
+ n_clst = (n_vol - n_rsv - n_fat * N_FATS - n_dir) / au;
+ if ( (fmt == FS_FAT16 && n_clst < MIN_FAT16)
+ || (fmt == FS_FAT32 && n_clst < MIN_FAT32))
+ return FR_MKFS_ABORTED;
+
+ switch (fmt) { /* Determine system ID for partition table */
+ case FS_FAT12: sys = 0x01; break;
+ case FS_FAT16: sys = (n_vol < 0x10000) ? 0x04 : 0x06; break;
+ default: sys = 0x0C;
+ }
+
+ if (_MULTI_PARTITION && part) {
+ /* Update system ID in the partition table */
+ tbl = &fs->win[MBR_Table + (part - 1) * SZ_PTE];
+ tbl[4] = sys;
+ if (disk_write(pdrv, fs->win, 0, 1) != RES_OK) return FR_DISK_ERR;
+ md = 0xF8;
+ } else {
+ if (sfd) { /* No partition table (SFD) */
+ md = 0xF0;
+ } else { /* Create partition table (FDISK) */
+ mem_set(fs->win, 0, SS(fs));
+ tbl = fs->win+MBR_Table; /* Create partition table for single partition in the drive */
+ tbl[1] = 1; /* Partition start head */
+ tbl[2] = 1; /* Partition start sector */
+ tbl[3] = 0; /* Partition start cylinder */
+ tbl[4] = sys; /* System type */
+ tbl[5] = 254; /* Partition end head */
+ n = (b_vol + n_vol) / 63 / 255;
+ tbl[6] = (BYTE)((n >> 2) | 63); /* Partition end sector */
+ tbl[7] = (BYTE)n; /* End cylinder */
+ ST_DWORD(tbl+8, 63); /* Partition start in LBA */
+ ST_DWORD(tbl+12, n_vol); /* Partition size in LBA */
+ ST_WORD(fs->win+BS_55AA, 0xAA55); /* MBR signature */
+ if (disk_write(pdrv, fs->win, 0, 1) != RES_OK) /* Write it to the MBR sector */
+ return FR_DISK_ERR;
+ md = 0xF8;
+ }
+ }
+
+ /* Create BPB in the VBR */
+ tbl = fs->win; /* Clear sector */
+ mem_set(tbl, 0, SS(fs));
+ mem_cpy(tbl, "\xEB\xFE\x90" "MSDOS5.0", 11);/* Boot jump code, OEM name */
+ i = SS(fs); /* Sector size */
+ ST_WORD(tbl+BPB_BytsPerSec, i);
+ tbl[BPB_SecPerClus] = (BYTE)au; /* Sectors per cluster */
+ ST_WORD(tbl+BPB_RsvdSecCnt, n_rsv); /* Reserved sectors */
+ tbl[BPB_NumFATs] = N_FATS; /* Number of FATs */
+ i = (fmt == FS_FAT32) ? 0 : N_ROOTDIR; /* Number of rootdir entries */
+ ST_WORD(tbl+BPB_RootEntCnt, i);
+ if (n_vol < 0x10000) { /* Number of total sectors */
+ ST_WORD(tbl+BPB_TotSec16, n_vol);
+ } else {
+ ST_DWORD(tbl+BPB_TotSec32, n_vol);
+ }
+ tbl[BPB_Media] = md; /* Media descriptor */
+ ST_WORD(tbl+BPB_SecPerTrk, 63); /* Number of sectors per track */
+ ST_WORD(tbl+BPB_NumHeads, 255); /* Number of heads */
+ ST_DWORD(tbl+BPB_HiddSec, b_vol); /* Hidden sectors */
+ n = get_fattime(); /* Use current time as VSN */
+ if (fmt == FS_FAT32) {
+ ST_DWORD(tbl+BS_VolID32, n); /* VSN */
+ ST_DWORD(tbl+BPB_FATSz32, n_fat); /* Number of sectors per FAT */
+ ST_DWORD(tbl+BPB_RootClus, 2); /* Root directory start cluster (2) */
+ ST_WORD(tbl+BPB_FSInfo, 1); /* FSInfo record offset (VBR+1) */
+ ST_WORD(tbl+BPB_BkBootSec, 6); /* Backup boot record offset (VBR+6) */
+ tbl[BS_DrvNum32] = 0x80; /* Drive number */
+ tbl[BS_BootSig32] = 0x29; /* Extended boot signature */
+ mem_cpy(tbl+BS_VolLab32, "NO NAME " "FAT32 ", 19); /* Volume label, FAT signature */
+ } else {
+ ST_DWORD(tbl+BS_VolID, n); /* VSN */
+ ST_WORD(tbl+BPB_FATSz16, n_fat); /* Number of sectors per FAT */
+ tbl[BS_DrvNum] = 0x80; /* Drive number */
+ tbl[BS_BootSig] = 0x29; /* Extended boot signature */
+ mem_cpy(tbl+BS_VolLab, "NO NAME " "FAT ", 19); /* Volume label, FAT signature */
+ }
+ ST_WORD(tbl+BS_55AA, 0xAA55); /* Signature (Offset is fixed here regardless of sector size) */
+ if (disk_write(pdrv, tbl, b_vol, 1) != RES_OK) /* Write it to the VBR sector */
+ return FR_DISK_ERR;
+ if (fmt == FS_FAT32) /* Write backup VBR if needed (VBR+6) */
+ disk_write(pdrv, tbl, b_vol + 6, 1);
+
+ /* Initialize FAT area */
+ wsect = b_fat;
+ for (i = 0; i < N_FATS; i++) { /* Initialize each FAT copy */
+ mem_set(tbl, 0, SS(fs)); /* 1st sector of the FAT */
+ n = md; /* Media descriptor byte */
+ if (fmt != FS_FAT32) {
+ n |= (fmt == FS_FAT12) ? 0x00FFFF00 : 0xFFFFFF00;
+ ST_DWORD(tbl+0, n); /* Reserve cluster #0-1 (FAT12/16) */
+ } else {
+ n |= 0xFFFFFF00;
+ ST_DWORD(tbl+0, n); /* Reserve cluster #0-1 (FAT32) */
+ ST_DWORD(tbl+4, 0xFFFFFFFF);
+ ST_DWORD(tbl+8, 0x0FFFFFFF); /* Reserve cluster #2 for root dir */
+ }
+ if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK)
+ return FR_DISK_ERR;
+ mem_set(tbl, 0, SS(fs)); /* Fill following FAT entries with zero */
+ for (n = 1; n < n_fat; n++) { /* This loop may take a time on FAT32 volume due to many single sector writes */
+ if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK)
+ return FR_DISK_ERR;
+ }
+ }
+
+ /* Initialize root directory */
+ i = (fmt == FS_FAT32) ? au : n_dir;
+ do {
+ if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK)
+ return FR_DISK_ERR;
+ } while (--i);
+
+#if _USE_ERASE /* Erase data area if needed */
+ {
+ DWORD eb[2];
+
+ eb[0] = wsect; eb[1] = wsect + (n_clst - ((fmt == FS_FAT32) ? 1 : 0)) * au - 1;
+ disk_ioctl(pdrv, CTRL_ERASE_SECTOR, eb);
+ }
+#endif
+
+ /* Create FSInfo if needed */
+ if (fmt == FS_FAT32) {
+ ST_DWORD(tbl+FSI_LeadSig, 0x41615252);
+ ST_DWORD(tbl+FSI_StrucSig, 0x61417272);
+ ST_DWORD(tbl+FSI_Free_Count, n_clst - 1); /* Number of free clusters */
+ ST_DWORD(tbl+FSI_Nxt_Free, 2); /* Last allocated cluster# */
+ ST_WORD(tbl+BS_55AA, 0xAA55);
+ disk_write(pdrv, tbl, b_vol + 1, 1); /* Write original (VBR+1) */
+ disk_write(pdrv, tbl, b_vol + 7, 1); /* Write backup (VBR+7) */
+ }
+
+ return (disk_ioctl(pdrv, CTRL_SYNC, 0) == RES_OK) ? FR_OK : FR_DISK_ERR;
+}
+
+
+#if _MULTI_PARTITION
+/*-----------------------------------------------------------------------*/
+/* Divide Physical Drive */
+/*-----------------------------------------------------------------------*/
+
+FRESULT f_fdisk (
+ BYTE pdrv, /* Physical drive number */
+ const DWORD szt[], /* Pointer to the size table for each partitions */
+ void* work /* Pointer to the working buffer */
+)
+{
+ UINT i, n, sz_cyl, tot_cyl, b_cyl, e_cyl, p_cyl;
+ BYTE s_hd, e_hd, *p, *buf = (BYTE*)work;
+ DSTATUS stat;
+ DWORD sz_disk, sz_part, s_part;
+
+
+ stat = disk_initialize(pdrv);
+ if (stat & STA_NOINIT) return FR_NOT_READY;
+ if (stat & STA_PROTECT) return FR_WRITE_PROTECTED;
+ if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &sz_disk)) return FR_DISK_ERR;
+
+ /* Determine CHS in the table regardless of the drive geometry */
+ for (n = 16; n < 256 && sz_disk / n / 63 > 1024; n *= 2) ;
+ if (n == 256) n--;
+ e_hd = n - 1;
+ sz_cyl = 63 * n;
+ tot_cyl = sz_disk / sz_cyl;
+
+ /* Create partition table */
+ mem_set(buf, 0, _MAX_SS);
+ p = buf + MBR_Table; b_cyl = 0;
+ for (i = 0; i < 4; i++, p += SZ_PTE) {
+ p_cyl = (szt[i] <= 100) ? (DWORD)tot_cyl * szt[i] / 100 : szt[i] / sz_cyl;
+ if (!p_cyl) continue;
+ s_part = (DWORD)sz_cyl * b_cyl;
+ sz_part = (DWORD)sz_cyl * p_cyl;
+ if (i == 0) { /* Exclude first track of cylinder 0 */
+ s_hd = 1;
+ s_part += 63; sz_part -= 63;
+ } else {
+ s_hd = 0;
+ }
+ e_cyl = b_cyl + p_cyl - 1;
+ if (e_cyl >= tot_cyl) return FR_INVALID_PARAMETER;
+
+ /* Set partition table */
+ p[1] = s_hd; /* Start head */
+ p[2] = (BYTE)((b_cyl >> 2) + 1); /* Start sector */
+ p[3] = (BYTE)b_cyl; /* Start cylinder */
+ p[4] = 0x06; /* System type (temporary setting) */
+ p[5] = e_hd; /* End head */
+ p[6] = (BYTE)((e_cyl >> 2) + 63); /* End sector */
+ p[7] = (BYTE)e_cyl; /* End cylinder */
+ ST_DWORD(p + 8, s_part); /* Start sector in LBA */
+ ST_DWORD(p + 12, sz_part); /* Partition size */
+
+ /* Next partition */
+ b_cyl += p_cyl;
+ }
+ ST_WORD(p, 0xAA55);
+
+ /* Write it to the MBR */
+ return (disk_write(pdrv, buf, 0, 1) || disk_ioctl(pdrv, CTRL_SYNC, 0)) ? FR_DISK_ERR : FR_OK;
+}
+
+
+#endif /* _MULTI_PARTITION */
+#endif /* _USE_MKFS && !_FS_READONLY */
+
+
+
+
+#if _USE_STRFUNC
+/*-----------------------------------------------------------------------*/
+/* Get a string from the file */
+/*-----------------------------------------------------------------------*/
+
+TCHAR* f_gets (
+ TCHAR* buff, /* Pointer to the string buffer to read */
+ int len, /* Size of string buffer (characters) */
+ FIL* fp /* Pointer to the file object */
+)
+{
+ int n = 0;
+ TCHAR c, *p = buff;
+ BYTE s[2];
+ UINT rc;
+
+
+ while (n < len - 1) { /* Read bytes until buffer gets filled */
+ f_read(fp, s, 1, &rc);
+ if (rc != 1) break; /* Break on EOF or error */
+ c = s[0];
+#if _LFN_UNICODE /* Read a character in UTF-8 encoding */
+ if (c >= 0x80) {
+ if (c < 0xC0) continue; /* Skip stray trailer */
+ if (c < 0xE0) { /* Two-byte sequence */
+ f_read(fp, s, 1, &rc);
+ if (rc != 1) break;
+ c = ((c & 0x1F) << 6) | (s[0] & 0x3F);
+ if (c < 0x80) c = '?';
+ } else {
+ if (c < 0xF0) { /* Three-byte sequence */
+ f_read(fp, s, 2, &rc);
+ if (rc != 2) break;
+ c = (c << 12) | ((s[0] & 0x3F) << 6) | (s[1] & 0x3F);
+ if (c < 0x800) c = '?';
+ } else { /* Reject four-byte sequence */
+ c = '?';
+ }
+ }
+ }
+#endif
+#if _USE_STRFUNC >= 2
+ if (c == '\r') continue; /* Strip '\r' */
+#endif
+ *p++ = c;
+ n++;
+ if (c == '\n') break; /* Break on EOL */
+ }
+ *p = 0;
+ return n ? buff : 0; /* When no data read (eof or error), return with error. */
+}
+
+
+
+#if !_FS_READONLY
+#include <stdarg.h>
+/*-----------------------------------------------------------------------*/
+/* Put a character to the file */
+/*-----------------------------------------------------------------------*/
+
+int f_putc (
+ TCHAR c, /* A character to be output */
+ FIL* fp /* Pointer to the file object */
+)
+{
+ UINT bw, btw;
+ BYTE s[3];
+
+
+#if _USE_STRFUNC >= 2
+ if (c == '\n') f_putc ('\r', fp); /* LF -> CRLF conversion */
+#endif
+
+#if _LFN_UNICODE /* Write the character in UTF-8 encoding */
+ if (c < 0x80) { /* 7-bit */
+ s[0] = (BYTE)c;
+ btw = 1;
+ } else {
+ if (c < 0x800) { /* 11-bit */
+ s[0] = (BYTE)(0xC0 | (c >> 6));
+ s[1] = (BYTE)(0x80 | (c & 0x3F));
+ btw = 2;
+ } else { /* 16-bit */
+ s[0] = (BYTE)(0xE0 | (c >> 12));
+ s[1] = (BYTE)(0x80 | ((c >> 6) & 0x3F));
+ s[2] = (BYTE)(0x80 | (c & 0x3F));
+ btw = 3;
+ }
+ }
+#else /* Write the character without conversion */
+ s[0] = (BYTE)c;
+ btw = 1;
+#endif
+ f_write(fp, s, btw, &bw); /* Write the char to the file */
+ return (bw == btw) ? 1 : EOF; /* Return the result */
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Put a string to the file */
+/*-----------------------------------------------------------------------*/
+
+int f_puts (
+ const TCHAR* str, /* Pointer to the string to be output */
+ FIL* fp /* Pointer to the file object */
+)
+{
+ int n;
+
+
+ for (n = 0; *str; str++, n++) {
+ if (f_putc(*str, fp) == EOF) return EOF;
+ }
+ return n;
+}
+
+
+
+
+/*-----------------------------------------------------------------------*/
+/* Put a formatted string to the file */
+/*-----------------------------------------------------------------------*/
+
+int f_printf (
+ FIL* fp, /* Pointer to the file object */
+ const TCHAR* str, /* Pointer to the format string */
+ ... /* Optional arguments... */
+)
+{
+ va_list arp;
+ BYTE f, r;
+ UINT i, j, w;
+ ULONG v;
+ TCHAR c, d, s[16], *p;
+ int res, chc, cc;
+
+
+ va_start(arp, str);
+
+ for (cc = res = 0; cc != EOF; res += cc) {
+ c = *str++;
+ if (c == 0) break; /* End of string */
+ if (c != '%') { /* Non escape character */
+ cc = f_putc(c, fp);
+ if (cc != EOF) cc = 1;
+ continue;
+ }
+ w = f = 0;
+ c = *str++;
+ if (c == '0') { /* Flag: '0' padding */
+ f = 1; c = *str++;
+ } else {
+ if (c == '-') { /* Flag: left justified */
+ f = 2; c = *str++;
+ }
+ }
+ while (IsDigit(c)) { /* Precision */
+ w = w * 10 + c - '0';
+ c = *str++;
+ }
+ if (c == 'l' || c == 'L') { /* Prefix: Size is long int */
+ f |= 4; c = *str++;
+ }
+ if (!c) break;
+ d = c;
+ if (IsLower(d)) d -= 0x20;
+ switch (d) { /* Type is... */
+ case 'S' : /* String */
+ p = va_arg(arp, TCHAR*);
+ for (j = 0; p[j]; j++) ;
+ chc = 0;
+ if (!(f & 2)) {
+ while (j++ < w) chc += (cc = f_putc(' ', fp));
+ }
+ chc += (cc = f_puts(p, fp));
+ while (j++ < w) chc += (cc = f_putc(' ', fp));
+ if (cc != EOF) cc = chc;
+ continue;
+ case 'C' : /* Character */
+ cc = f_putc((TCHAR)va_arg(arp, int), fp); continue;
+ case 'B' : /* Binary */
+ r = 2; break;
+ case 'O' : /* Octal */
+ r = 8; break;
+ case 'D' : /* Signed decimal */
+ case 'U' : /* Unsigned decimal */
+ r = 10; break;
+ case 'X' : /* Hexdecimal */
+ r = 16; break;
+ default: /* Unknown type (pass-through) */
+ cc = f_putc(c, fp); continue;
+ }
+
+ /* Get an argument and put it in numeral */
+ v = (f & 4) ? (ULONG)va_arg(arp, long) : ((d == 'D') ? (ULONG)(long)va_arg(arp, int) : (ULONG)va_arg(arp, unsigned int));
+ if (d == 'D' && (v & 0x80000000)) {
+ v = 0 - v;
+ f |= 8;
+ }
+ i = 0;
+ do {
+ d = (TCHAR)(v % r); v /= r;
+ if (d > 9) d += (c == 'x') ? 0x27 : 0x07;
+ s[i++] = d + '0';
+ } while (v && i < sizeof s / sizeof s[0]);
+ if (f & 8) s[i++] = '-';
+ j = i; d = (f & 1) ? '0' : ' ';
+ chc = 0;
+ while (!(f & 2) && j++ < w) chc += (cc = f_putc(d, fp));
+ do chc += (cc = f_putc(s[--i], fp)); while(i);
+ while (j++ < w) chc += (cc = f_putc(' ', fp));
+ if (cc != EOF) cc = chc;
+ }
+
+ va_end(arp);
+ return (cc == EOF) ? cc : res;
+}
+
+#endif /* !_FS_READONLY */
+#endif /* _USE_STRFUNC */
+
+#endif // CFG_TUH_MSC
diff --git a/lib/fatfs/ff.h b/lib/fatfs/ff.h
new file mode 100644
index 0000000..5c2a611
--- /dev/null
+++ b/lib/fatfs/ff.h
@@ -0,0 +1,342 @@
+/*---------------------------------------------------------------------------/
+/ FatFs - FAT file system module include file R0.09b (C)ChaN, 2013
+/----------------------------------------------------------------------------/
+/ FatFs module is a generic FAT file system module for small embedded systems.
+/ This is a free software that opened for education, research and commercial
+/ developments under license policy of following terms.
+/
+/ Copyright (C) 2013, ChaN, all right reserved.
+/
+/ * The FatFs module is a free software and there is NO WARRANTY.
+/ * No restriction on use. You can use, modify and redistribute it for
+/ personal, non-profit or commercial product UNDER YOUR RESPONSIBILITY.
+/ * Redistributions of source code must retain the above copyright notice.
+/
+/----------------------------------------------------------------------------*/
+
+#ifndef _FATFS
+#define _FATFS 82786 /* Revision ID */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "integer.h" /* Basic integer types */
+#include "ffconf.h" /* FatFs configuration options */
+#include "tusb_config.h"
+
+#if _FATFS != _FFCONF
+#error Wrong configuration file (ffconf.h).
+#endif
+
+
+
+/* Definitions of volume management */
+
+#if _MULTI_PARTITION /* Multiple partition configuration */
+typedef struct {
+ BYTE pd; /* Physical drive number */
+ BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */
+} PARTITION;
+extern PARTITION VolToPart[]; /* Volume - Partition resolution table */
+#define LD2PD(vol) (VolToPart[vol].pd) /* Get physical drive number */
+#define LD2PT(vol) (VolToPart[vol].pt) /* Get partition index */
+
+#else /* Single partition configuration */
+#define LD2PD(vol) (BYTE)(vol) /* Each logical drive is bound to the same physical drive number */
+#define LD2PT(vol) 0 /* Always mounts the 1st partition or in SFD */
+
+#endif
+
+
+
+/* Type of path name strings on FatFs API */
+
+#if _LFN_UNICODE /* Unicode string */
+#if !_USE_LFN
+#error _LFN_UNICODE must be 0 in non-LFN cfg.
+#endif
+#ifndef _INC_TCHAR
+typedef WCHAR TCHAR;
+#define _T(x) L ## x
+#define _TEXT(x) L ## x
+#endif
+
+#else /* ANSI/OEM string */
+#ifndef _INC_TCHAR
+typedef char TCHAR;
+#define _T(x) x
+#define _TEXT(x) x
+#endif
+
+#endif
+
+
+
+/* File system object structure (FATFS) */
+
+typedef struct {
+ BYTE fs_type; /* FAT sub-type (0:Not mounted) */
+ BYTE drv; /* Physical drive number */
+ BYTE csize; /* Sectors per cluster (1,2,4...128) */
+ BYTE n_fats; /* Number of FAT copies (1,2) */
+ BYTE wflag; /* win[] dirty flag (1:must be written back) */
+ BYTE fsi_flag; /* fsinfo dirty flag (1:must be written back) */
+ WORD id; /* File system mount ID */
+ WORD n_rootdir; /* Number of root directory entries (FAT12/16) */
+#if _MAX_SS != 512
+ WORD ssize; /* Bytes per sector (512, 1024, 2048 or 4096) */
+#endif
+#if _FS_REENTRANT
+ _SYNC_t sobj; /* Identifier of sync object */
+#endif
+#if !_FS_READONLY
+ DWORD last_clust; /* Last allocated cluster */
+ DWORD free_clust; /* Number of free clusters */
+ DWORD fsi_sector; /* fsinfo sector (FAT32) */
+#endif
+#if _FS_RPATH
+ DWORD cdir; /* Current directory start cluster (0:root) */
+#endif
+ DWORD n_fatent; /* Number of FAT entries (= number of clusters + 2) */
+ DWORD fsize; /* Sectors per FAT */
+ DWORD volbase; /* Volume start sector */
+ DWORD fatbase; /* FAT start sector */
+ DWORD dirbase; /* Root directory start sector (FAT32:Cluster#) */
+ DWORD database; /* Data start sector */
+ DWORD winsect; /* Current sector appearing in the win[] */
+ BYTE win[_MAX_SS]; /* Disk access window for Directory, FAT (and Data on tiny cfg) */
+} FATFS;
+
+
+
+/* File object structure (FIL) */
+
+typedef struct {
+ FATFS* fs; /* Pointer to the related file system object (**do not change order**) */
+ WORD id; /* Owner file system mount ID (**do not change order**) */
+ BYTE flag; /* File status flags */
+ BYTE pad1;
+ DWORD fptr; /* File read/write pointer (0ed on file open) */
+ DWORD fsize; /* File size */
+ DWORD sclust; /* File data start cluster (0:no data cluster, always 0 when fsize is 0) */
+ DWORD clust; /* Current cluster of fpter */
+ DWORD dsect; /* Current data sector of fpter */
+#if !_FS_READONLY
+ DWORD dir_sect; /* Sector containing the directory entry */
+ BYTE* dir_ptr; /* Pointer to the directory entry in the window */
+#endif
+#if _USE_FASTSEEK
+ DWORD* cltbl; /* Pointer to the cluster link map table (null on file open) */
+#endif
+#if _FS_LOCK
+ UINT lockid; /* File lock ID (index of file semaphore table Files[]) */
+#endif
+#if !_FS_TINY
+ BYTE buf[_MAX_SS]; /* File data read/write buffer */
+#endif
+} FIL;
+
+
+
+/* Directory object structure (DIR) */
+
+typedef struct {
+ FATFS* fs; /* Pointer to the owner file system object (**do not change order**) */
+ WORD id; /* Owner file system mount ID (**do not change order**) */
+ WORD index; /* Current read/write index number */
+ DWORD sclust; /* Table start cluster (0:Root dir) */
+ DWORD clust; /* Current cluster */
+ DWORD sect; /* Current sector */
+ BYTE* dir; /* Pointer to the current SFN entry in the win[] */
+ BYTE* fn; /* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */
+#if _USE_LFN
+ WCHAR* lfn; /* Pointer to the LFN working buffer */
+ WORD lfn_idx; /* Last matched LFN index number (0xFFFF:No LFN) */
+#endif
+} DIR;
+
+
+
+/* File status structure (FILINFO) */
+
+typedef struct {
+ DWORD fsize; /* File size */
+ WORD fdate; /* Last modified date */
+ WORD ftime; /* Last modified time */
+ BYTE fattrib; /* Attribute */
+ TCHAR fname[13]; /* Short file name (8.3 format) */
+#if _USE_LFN
+ TCHAR* lfname; /* Pointer to the LFN buffer */
+ UINT lfsize; /* Size of LFN buffer in TCHAR */
+#endif
+} FILINFO;
+
+
+
+/* File function return code (FRESULT) */
+
+typedef enum {
+ FR_OK = 0, /* (0) Succeeded */
+ FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */
+ FR_INT_ERR, /* (2) Assertion failed */
+ FR_NOT_READY, /* (3) The physical drive cannot work */
+ FR_NO_FILE, /* (4) Could not find the file */
+ FR_NO_PATH, /* (5) Could not find the path */
+ FR_INVALID_NAME, /* (6) The path name format is invalid */
+ FR_DENIED, /* (7) Access denied due to prohibited access or directory full */
+ FR_EXIST, /* (8) Access denied due to prohibited access */
+ FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */
+ FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */
+ FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */
+ FR_NOT_ENABLED, /* (12) The volume has no work area */
+ FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */
+ FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any parameter error */
+ FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */
+ FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */
+ FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */
+ FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > _FS_SHARE */
+ FR_INVALID_PARAMETER /* (19) Given parameter is invalid */
+} FRESULT;
+
+
+
+/*--------------------------------------------------------------*/
+/* FatFs module application interface */
+
+FRESULT f_mount (BYTE vol, FATFS* fs); /* Mount/Unmount a logical drive */
+FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */
+FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from a file */
+FRESULT f_lseek (FIL* fp, DWORD ofs); /* Move file pointer of a file object */
+FRESULT f_close (FIL* fp); /* Close an open file object */
+FRESULT f_opendir (DIR* dj, const TCHAR* path); /* Open an existing directory */
+FRESULT f_readdir (DIR* dj, FILINFO* fno); /* Read a directory item */
+FRESULT f_stat (const TCHAR* path, FILINFO* fno); /* Get file status */
+FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to a file */
+FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get number of free clusters on the drive */
+FRESULT f_truncate (FIL* fp); /* Truncate file */
+FRESULT f_sync (FIL* fp); /* Flush cached data of a writing file */
+FRESULT f_unlink (const TCHAR* path); /* Delete an existing file or directory */
+FRESULT f_mkdir (const TCHAR* path); /* Create a new directory */
+FRESULT f_chmod (const TCHAR* path, BYTE value, BYTE mask); /* Change attribute of the file/dir */
+FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change times-tamp of the file/dir */
+FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */
+FRESULT f_chdrive (BYTE drv); /* Change current drive */
+BYTE f_get_current_drive(void);
+FRESULT f_chdir (const TCHAR* path); /* Change current directory */
+FRESULT f_getcwd (TCHAR* buff, UINT len); /* Get current directory */
+FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* sn); /* Get volume label */
+FRESULT f_setlabel (const TCHAR* label); /* Set volume label */
+FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */
+FRESULT f_mkfs (BYTE vol, BYTE sfd, UINT au); /* Create a file system on the drive */
+FRESULT f_fdisk (BYTE pdrv, const DWORD szt[], void* work); /* Divide a physical drive into some partitions */
+int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */
+int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */
+int f_printf (FIL* fp, const TCHAR* str, ...); /* Put a formatted string to the file */
+TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the file */
+
+#define f_eof(fp) (((fp)->fptr == (fp)->fsize) ? 1 : 0)
+#define f_error(fp) (((fp)->flag & FA__ERROR) ? 1 : 0)
+#define f_tell(fp) ((fp)->fptr)
+#define f_size(fp) ((fp)->fsize)
+
+#ifndef EOF
+#define EOF (-1)
+#endif
+
+
+
+
+/*--------------------------------------------------------------*/
+/* Additional user defined functions */
+
+/* RTC function */
+#if !_FS_READONLY
+DWORD get_fattime (void);
+#endif
+
+/* Unicode support functions */
+#if _USE_LFN /* Unicode - OEM code conversion */
+WCHAR ff_convert (WCHAR chr, UINT dir); /* OEM-Unicode bidirectional conversion */
+WCHAR ff_wtoupper (WCHAR chr); /* Unicode upper-case conversion */
+#if _USE_LFN == 3 /* Memory functions */
+void* ff_memalloc (UINT msize); /* Allocate memory block */
+void ff_memfree (void* mblock); /* Free memory block */
+#endif
+#endif
+
+/* Sync functions */
+#if _FS_REENTRANT
+int ff_cre_syncobj (BYTE vol, _SYNC_t* sobj); /* Create a sync object */
+int ff_req_grant (_SYNC_t sobj); /* Lock sync object */
+void ff_rel_grant (_SYNC_t sobj); /* Unlock sync object */
+int ff_del_syncobj (_SYNC_t sobj); /* Delete a sync object */
+#endif
+
+
+
+
+/*--------------------------------------------------------------*/
+/* Flags and offset address */
+
+
+/* File access control and file status flags (FIL.flag) */
+
+#define FA_READ 0x01
+#define FA_OPEN_EXISTING 0x00
+#define FA__ERROR 0x80
+
+#if !_FS_READONLY
+#define FA_WRITE 0x02
+#define FA_CREATE_NEW 0x04
+#define FA_CREATE_ALWAYS 0x08
+#define FA_OPEN_ALWAYS 0x10
+#define FA__WRITTEN 0x20
+#define FA__DIRTY 0x40
+#endif
+
+
+/* FAT sub type (FATFS.fs_type) */
+
+#define FS_FAT12 1
+#define FS_FAT16 2
+#define FS_FAT32 3
+
+
+/* File attribute bits for directory entry */
+
+#define AM_RDO 0x01 /* Read only */
+#define AM_HID 0x02 /* Hidden */
+#define AM_SYS 0x04 /* System */
+#define AM_VOL 0x08 /* Volume label */
+#define AM_LFN 0x0F /* LFN entry */
+#define AM_DIR 0x10 /* Directory */
+#define AM_ARC 0x20 /* Archive */
+#define AM_MASK 0x3F /* Mask of defined bits */
+
+
+/* Fast seek feature */
+#define CREATE_LINKMAP 0xFFFFFFFF
+
+
+
+/*--------------------------------*/
+/* Multi-byte word access macros */
+
+#if _WORD_ACCESS == 1 /* Enable word access to the FAT structure */
+#define LD_WORD(ptr) (WORD)(*(WORD*)(BYTE*)(ptr))
+#define LD_DWORD(ptr) (DWORD)(*(DWORD*)(BYTE*)(ptr))
+#define ST_WORD(ptr,val) *(WORD*)(BYTE*)(ptr)=(WORD)(val)
+#define ST_DWORD(ptr,val) *(DWORD*)(BYTE*)(ptr)=(DWORD)(val)
+#else /* Use byte-by-byte access to the FAT structure */
+#define LD_WORD(ptr) (WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr))
+#define LD_DWORD(ptr) (DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr))
+#define ST_WORD(ptr,val) *(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8)
+#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)
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _FATFS */
diff --git a/lib/fatfs/ffconf.h b/lib/fatfs/ffconf.h
new file mode 100644
index 0000000..782057e
--- /dev/null
+++ b/lib/fatfs/ffconf.h
@@ -0,0 +1,193 @@
+/*---------------------------------------------------------------------------/
+/ FatFs - FAT file system module configuration file R0.09b (C)ChaN, 2013
+/----------------------------------------------------------------------------/
+/
+/ CAUTION! Do not forget to make clean the project after any changes to
+/ the configuration options.
+/
+/----------------------------------------------------------------------------*/
+#ifndef _FFCONF
+#define _FFCONF 82786 /* Revision ID */
+
+#include "tusb_config.h"
+
+/*---------------------------------------------------------------------------/
+/ Functions and Buffer Configurations
+/----------------------------------------------------------------------------*/
+
+#define _FS_TINY 0 /* 0:Normal or 1:Tiny */
+/* When _FS_TINY is set to 1, FatFs uses the sector buffer in the file system
+/ object instead of the sector buffer in the individual file object for file
+/ data transfer. This reduces memory consumption 512 bytes each file object. */
+
+
+#define _FS_READONLY 0 /* 0:Read/Write or 1:Read only */
+/* Setting _FS_READONLY to 1 defines read only configuration. This removes
+/ writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename,
+/ f_truncate and useless f_getfree. */
+
+
+#define _FS_MINIMIZE 0 /* 0 to 3 */
+/* The _FS_MINIMIZE option defines minimization level to remove some functions.
+/
+/ 0: Full function.
+/ 1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename
+/ are removed.
+/ 2: f_opendir and f_readdir are removed in addition to 1.
+/ 3: f_lseek is removed in addition to 2. */
+
+
+#define _USE_STRFUNC 0 /* 0:Disable or 1-2:Enable */
+/* To enable string functions, set _USE_STRFUNC to 1 or 2. */
+
+
+#define _USE_MKFS 0 /* 0:Disable or 1:Enable */
+/* To enable f_mkfs function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */
+
+
+#define _USE_FASTSEEK 0 /* 0:Disable or 1:Enable */
+/* To enable fast seek feature, set _USE_FASTSEEK to 1. */
+
+
+#define _USE_LABEL 1 /* 0:Disable or 1:Enable */
+/* To enable volume label functions, set _USE_LAVEL to 1 */
+
+
+#define _USE_FORWARD 0 /* 0:Disable or 1:Enable */
+/* To enable f_forward function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */
+
+
+/*---------------------------------------------------------------------------/
+/ Locale and Namespace Configurations
+/----------------------------------------------------------------------------*/
+
+#define _CODE_PAGE 437
+/* The _CODE_PAGE specifies the OEM code page to be used on the target system.
+/ Incorrect setting of the code page can cause a file open failure.
+/
+/ 932 - Japanese Shift-JIS (DBCS, OEM, Windows)
+/ 936 - Simplified Chinese GBK (DBCS, OEM, Windows)
+/ 949 - Korean (DBCS, OEM, Windows)
+/ 950 - Traditional Chinese Big5 (DBCS, OEM, Windows)
+/ 1250 - Central Europe (Windows)
+/ 1251 - Cyrillic (Windows)
+/ 1252 - Latin 1 (Windows)
+/ 1253 - Greek (Windows)
+/ 1254 - Turkish (Windows)
+/ 1255 - Hebrew (Windows)
+/ 1256 - Arabic (Windows)
+/ 1257 - Baltic (Windows)
+/ 1258 - Vietnam (OEM, Windows)
+/ 437 - U.S. (OEM)
+/ 720 - Arabic (OEM)
+/ 737 - Greek (OEM)
+/ 775 - Baltic (OEM)
+/ 850 - Multilingual Latin 1 (OEM)
+/ 858 - Multilingual Latin 1 + Euro (OEM)
+/ 852 - Latin 2 (OEM)
+/ 855 - Cyrillic (OEM)
+/ 866 - Russian (OEM)
+/ 857 - Turkish (OEM)
+/ 862 - Hebrew (OEM)
+/ 874 - Thai (OEM, Windows)
+/ 1 - ASCII only (Valid for non LFN cfg.)
+*/
+
+
+#define _USE_LFN 1 /* 0 to 3 */
+#define _MAX_LFN 255 /* Maximum LFN length to handle (12 to 255) */
+/* The _USE_LFN option switches the LFN support.
+/
+/ 0: Disable LFN feature. _MAX_LFN and _LFN_UNICODE have no effect.
+/ 1: Enable LFN with static working buffer on the BSS. Always NOT reentrant.
+/ 2: Enable LFN with dynamic working buffer on the STACK.
+/ 3: Enable LFN with dynamic working buffer on the HEAP.
+/
+/ The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. To enable LFN,
+/ Unicode handling functions ff_convert() and ff_wtoupper() must be added
+/ to the project. When enable to use heap, memory control functions
+/ ff_memalloc() and ff_memfree() must be added to the project. */
+
+
+#define _LFN_UNICODE 0 /* 0:ANSI/OEM or 1:Unicode */
+/* To switch the character code set on FatFs API to Unicode,
+/ enable LFN feature and set _LFN_UNICODE to 1. */
+
+
+#define _FS_RPATH 2 /* 0 to 2 */
+/* The _FS_RPATH option configures relative path feature.
+/
+/ 0: Disable relative path feature and remove related functions.
+/ 1: Enable relative path. f_chdrive() and f_chdir() are available.
+/ 2: f_getcwd() is available in addition to 1.
+/
+/ Note that output of the f_readdir fnction is affected by this option. */
+
+
+/*---------------------------------------------------------------------------/
+/ Physical Drive Configurations
+/----------------------------------------------------------------------------*/
+
+#define _VOLUMES CFG_TUH_DEVICE_MAX
+/* Number of volumes (logical drives) to be used. */
+
+
+#define _MAX_SS 512 /* 512, 1024, 2048 or 4096 */
+/* Maximum sector size to be handled.
+/ Always set 512 for memory card and hard disk but a larger value may be
+/ required for on-board flash memory, floppy disk and optical disk.
+/ When _MAX_SS is larger than 512, it configures FatFs to variable sector size
+/ and GET_SECTOR_SIZE command must be implememted to the disk_ioctl function. */
+
+
+#define _MULTI_PARTITION 0 /* 0:Single partition, 1:Enable multiple partition */
+/* When set to 0, each volume is bound to the same physical drive number and
+/ it can mount only first primaly partition. When it is set to 1, each volume
+/ is tied to the partitions listed in VolToPart[]. */
+
+
+#define _USE_ERASE 0 /* 0:Disable or 1:Enable */
+/* To enable sector erase feature, set _USE_ERASE to 1. CTRL_ERASE_SECTOR command
+/ should be added to the disk_ioctl functio. */
+
+
+
+/*---------------------------------------------------------------------------/
+/ System Configurations
+/----------------------------------------------------------------------------*/
+
+#define _WORD_ACCESS 0 /* 0 or 1 */
+/* Set 0 first and it is always compatible with all platforms. The _WORD_ACCESS
+/ option defines which access method is used to the word data on the FAT volume.
+/
+/ 0: Byte-by-byte access.
+/ 1: Word access. Do not choose this unless following condition is met.
+/
+/ When the byte order on the memory is big-endian or address miss-aligned word
+/ access results incorrect behavior, the _WORD_ACCESS must be set to 0.
+/ If it is not the case, the value can also be set to 1 to improve the
+/ performance and code size.
+*/
+
+
+/* A header file that defines sync object types on the O/S, such as
+/ windows.h, ucos_ii.h and semphr.h, must be included prior to ff.h. */
+
+#define _FS_REENTRANT 0 /* 0:Disable or 1:Enable */
+#define _FS_TIMEOUT 1000 /* Timeout period in unit of time ticks */
+#define _SYNC_t HANDLE /* O/S dependent type of sync object. e.g. HANDLE, OS_EVENT*, ID and etc.. */
+
+/* The _FS_REENTRANT option switches the reentrancy (thread safe) of the FatFs module.
+/
+/ 0: Disable reentrancy. _SYNC_t and _FS_TIMEOUT have no effect.
+/ 1: Enable reentrancy. Also user provided synchronization handlers,
+/ ff_req_grant, ff_rel_grant, ff_del_syncobj and ff_cre_syncobj
+/ function must be added to the project. */
+
+
+#define _FS_LOCK 0 /* 0:Disable or >=1:Enable */
+/* To enable file lock control feature, set _FS_LOCK to 1 or greater.
+ The value defines how many files can be opened simultaneously. */
+
+
+#endif /* _FFCONFIG */
diff --git a/lib/fatfs/integer.h b/lib/fatfs/integer.h
new file mode 100644
index 0000000..f34f56d
--- /dev/null
+++ b/lib/fatfs/integer.h
@@ -0,0 +1,36 @@
+/*-------------------------------------------*/
+/* Integer type definitions for FatFs module */
+/*-------------------------------------------*/
+
+#ifndef _INTEGER
+#define _INTEGER
+
+#ifdef _WIN32 /* FatFs development platform */
+
+#include <windows.h>
+#include <tchar.h>
+
+#else /* Embedded platform */
+
+/* These types must be 16-bit, 32-bit or larger integer */
+typedef int INT;
+typedef unsigned int UINT;
+
+/* These types must be 8-bit integer */
+typedef unsigned char UCHAR;
+typedef unsigned char BYTE;
+
+/* These types must be 16-bit integer */
+typedef short SHORT;
+typedef unsigned short USHORT;
+typedef unsigned short WORD;
+typedef unsigned short WCHAR;
+
+/* These types must be 32-bit integer */
+typedef long LONG;
+typedef unsigned long ULONG;
+typedef unsigned long DWORD;
+
+#endif
+
+#endif