From cf4575b94a3c65e6535a159fc71fc885aebc2620 Mon Sep 17 00:00:00 2001 From: Drashna Jaelre Date: Fri, 2 Aug 2019 14:02:40 -0700 Subject: Fix the LUFA lib to use a submodule instead of just files (#6245) * Remove LUFA files * Update descriptions for newer version of LUFA * Create PR6245.md * Fix CDC(Serial) type errors * Fix missed merge conflict for AUDIO_DTYPE_CSInterface --- lib/lufa/Projects/Webserver/Lib/FATFs/ff.c | 4139 ---------------------------- 1 file changed, 4139 deletions(-) delete mode 100644 lib/lufa/Projects/Webserver/Lib/FATFs/ff.c (limited to 'lib/lufa/Projects/Webserver/Lib/FATFs/ff.c') diff --git a/lib/lufa/Projects/Webserver/Lib/FATFs/ff.c b/lib/lufa/Projects/Webserver/Lib/FATFs/ff.c deleted file mode 100644 index 2f58adf837..0000000000 --- a/lib/lufa/Projects/Webserver/Lib/FATFs/ff.c +++ /dev/null @@ -1,4139 +0,0 @@ -/*----------------------------------------------------------------------------/ -/ FatFs - FAT file system module R0.09a (C)ChaN, 2012 -/-----------------------------------------------------------------------------/ -/ 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) 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 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. -/---------------------------------------------------------------------------*/ - -#include "ff.h" /* FatFs configurations and declarations */ -#include "diskio.h" /* Declarations of low level disk I/O functions */ - - -/*-------------------------------------------------------------------------- - - Module Private Definitions - ----------------------------------------------------------------------------*/ - -#if _FATFS != 4004 /* 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 - - - - -/*-------------------------------------------------------------------------- - - 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 - - - -/*-----------------------------------------------------------------------*/ -/* Change window offset */ -/*-----------------------------------------------------------------------*/ - -static -FRESULT move_window ( - FATFS *fs, /* File system object */ - DWORD sector /* Sector number to make appearance in the fs->win[] */ -) /* Move to zero only writes back dirty window */ -{ - DWORD wsect; - - - wsect = fs->winsect; - if (wsect != sector) { /* Changed current window */ -#if !_FS_READONLY - if (fs->wflag) { /* Write back dirty window if needed */ - if (disk_write(fs->drv, fs->win, wsect, 1) != RES_OK) - return FR_DISK_ERR; - fs->wflag = 0; - if (wsect < (fs->fatbase + fs->fsize)) { /* In FAT area */ - BYTE nf; - for (nf = fs->n_fats; nf > 1; nf--) { /* Reflect the change to all FAT copies */ - wsect += fs->fsize; - disk_write(fs->drv, fs->win, wsect, 1); - } - } - } -#endif - if (sector) { - if (disk_read(fs->drv, fs->win, sector, 1) != RES_OK) - return FR_DISK_ERR; - fs->winsect = sector; - } - } - - return FR_OK; -} - - - - -/*-----------------------------------------------------------------------*/ -/* Clean-up cached data */ -/*-----------------------------------------------------------------------*/ -#if !_FS_READONLY -static -FRESULT sync ( /* FR_OK: successful, FR_DISK_ERR: failed */ - FATFS *fs /* File system object */ -) -{ - FRESULT res; - - - res = move_window(fs, 0); - 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:EOT and could not stretch */ - DIR *dj, /* Pointer to 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 (move_window(dj->fs, 0)) 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 (move_window(dj->fs, 0)) 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 - 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 -static -FRESULT dir_read ( - DIR *dj /* Pointer to the directory object that pointing the entry to be read */ -) -{ - FRESULT res; - BYTE c, *dir; -#if _USE_LFN - BYTE a, 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 */ -#if _USE_LFN /* LFN configuration */ - a = dir[DIR_Attr] & AM_MASK; - if (c == DDE || (!_FS_RPATH && c == '.') || ((a & AM_VOL) && a != AM_LFN)) { /* 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 != '.') && !(dir[DIR_Attr] & AM_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 - - - -/*-----------------------------------------------------------------------*/ -/* 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; - BYTE c, *dir; -#if _USE_LFN /* LFN configuration */ - WORD n, ne, is; - 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, reserve an SFN + LFN entries. */ - for (ne = 0; lfn[ne]; ne++) ; - ne = (ne + 25) / 13; - } else { /* Otherwise reserve only an SFN entry. */ - ne = 1; - } - - /* Reserve contiguous entries */ - res = dir_sdi(dj, 0); - if (res != FR_OK) return res; - n = is = 0; - do { - res = move_window(dj->fs, dj->sect); - if (res != FR_OK) break; - c = *dj->dir; /* Check the entry status */ - if (c == DDE || c == 0) { /* Is it a blank entry? */ - if (n == 0) is = dj->index; /* First index of the contiguous entry */ - if (++n == ne) break; /* A contiguous entry that required count is found */ - } else { - n = 0; /* Not a blank entry. Restart to search */ - } - res = dir_next(dj, 1); /* Next entry with table stretch */ - } while (res == FR_OK); - - if (res == FR_OK && ne > 1) { /* Initialize LFN entry if needed */ - res = dir_sdi(dj, is); - if (res == FR_OK) { - sum = sum_sfn(dj->fn); /* Sum of the SFN tied to the LFN */ - ne--; - 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_sdi(dj, 0); - if (res == FR_OK) { - do { /* Find a blank entry for the SFN */ - res = move_window(dj->fs, dj->sect); - if (res != FR_OK) break; - c = *dj->dir; - if (c == DDE || c == 0) break; /* Is it a blank entry? */ - res = dir_next(dj, 1); /* Next entry with table stretch */ - } while (res == FR_OK); - } -#endif - - if (res == FR_OK) { /* Initialize the SFN entry */ - res = move_window(dj->fs, dj->sect); - if (res == FR_OK) { - dir = dj->dir; - mem_set(dir, 0, SZ_DIR); /* Clean the entry */ - mem_cpy(dir, dj->fn, 11); /* Put SFN */ -#if _USE_LFN - 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 */ -) -{ -#ifdef _EXCVT - static const BYTE excvt[] = _EXCVT; /* Upper conversion table for extended chars */ -#endif - -#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 =