-/*----------------------------------------------------------------------------/
-/ Petit FatFs - FAT file system module R0.02a (C)ChaN, 2010
-/-----------------------------------------------------------------------------/
-/ Petit 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) 2010, ChaN, all right reserved.
-/
-/ * The Petit 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 use UNDER YOUR RESPONSIBILITY.
-/ * Redistributions of source code must retain the above copyright notice.
-/
-/-----------------------------------------------------------------------------/
-/ Jun 15,'09 R0.01a First release. (Branched from FatFs R0.07b.)
-/
-/ Dec 14,'09 R0.02 Added multiple code page support.
-/ Added write funciton.
-/ Changed stream read mode interface.
-/ Dec 07,'10 R0.02a Added some configuration options.
-/ Fixed fails to open objects with DBCS character.
-/----------------------------------------------------------------------------*/
-
-#include "pff.h" /* Petit FatFs configurations and declarations */
-#include "diskio.h" /* Declarations of low level disk I/O functions */
-
-
-
-/*--------------------------------------------------------------------------
-
- Module Private Definitions
-
----------------------------------------------------------------------------*/
-
-
-#if _FS_FAT32
-#define LD_CLUST(dir) (((DWORD)LD_WORD(dir+DIR_FstClusHI)<<16) | LD_WORD(dir+DIR_FstClusLO))
-#else
-#define LD_CLUST(dir) LD_WORD(dir+DIR_FstClusLO)
-#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) */
-#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'))
-
-#if _DF1S /* DBCS configuration */
-
-#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 /* SBCS configuration */
-
-#define IsDBCS1(c) 0
-#define IsDBCS2(c) 0
-
-#endif /* _DF1S */
-
-
-/* FatFs refers the members in the FAT structures with byte offset instead
-/ of structure member because there are incompatibility of the packing option
-/ between various compilers. */
-
-#define BS_jmpBoot 0
-#define BS_OEMName 3
-#define BPB_BytsPerSec 11
-#define BPB_SecPerClus 13
-#define BPB_RsvdSecCnt 14
-#define BPB_NumFATs 16
-#define BPB_RootEntCnt 17
-#define BPB_TotSec16 19
-#define BPB_Media 21
-#define BPB_FATSz16 22
-#define BPB_SecPerTrk 24
-#define BPB_NumHeads 26
-#define BPB_HiddSec 28
-#define BPB_TotSec32 32
-#define BS_55AA 510
-
-#define BS_DrvNum 36
-#define BS_BootSig 38
-#define BS_VolID 39
-#define BS_VolLab 43
-#define BS_FilSysType 54
-
-#define BPB_FATSz32 36
-#define BPB_ExtFlags 40
-#define BPB_FSVer 42
-#define BPB_RootClus 44
-#define BPB_FSInfo 48
-#define BPB_BkBootSec 50
-#define BS_DrvNum32 64
-#define BS_BootSig32 66
-#define BS_VolID32 67
-#define BS_VolLab32 71
-#define BS_FilSysType32 82
-
-#define MBR_Table 446
-
-#define DIR_Name 0
-#define DIR_Attr 11
-#define DIR_NTres 12
-#define DIR_CrtTime 14
-#define DIR_CrtDate 16
-#define DIR_FstClusHI 20
-#define DIR_WrtTime 22
-#define DIR_WrtDate 24
-#define DIR_FstClusLO 26
-#define DIR_FileSize 28
-
-
-
-/*--------------------------------------------------------------------------
-
- Private Functions
-
----------------------------------------------------------------------------*/
-
-
-static
-FATFS *FatFs; /* Pointer to the file system object (logical drive) */
-
-
-/* Fill memory */
-static
-void mem_set (void* dst, int val, int cnt) {
- char *d = (char*)dst;
- while (cnt--) *d++ = (char)val;
-}
-
-/* Compare memory to memory */
-static
-int mem_cmp (const void* dst, const void* src, int cnt) {
- const char *d = (const char *)dst, *s = (const char *)src;
- int r = 0;
- while (cnt-- && (r = *d++ - *s++) == 0) ;
- return r;
-}
-
-
-
-/*-----------------------------------------------------------------------*/
-/* FAT access - Read value of a FAT entry */
-/*-----------------------------------------------------------------------*/
-
-static
-CLUST get_fat ( /* 1:IO error, Else:Cluster status */
- CLUST clst /* Cluster# to get the link information */
-)
-{
- WORD wc, bc, ofs;
- BYTE buf[4];
- FATFS *fs = FatFs;
-
-
- if (clst < 2 || clst >= fs->n_fatent) /* Range check */
- return 1;
-
- switch (fs->fs_type) {
-#if _FS_FAT12
- case FS_FAT12 :
- bc = (WORD)clst; bc += bc / 2;
- ofs = bc % 512; bc /= 512;
- if (ofs != 511) {
- if (disk_readp(buf, fs->fatbase + bc, ofs, 2)) break;
- } else {
- if (disk_readp(buf, fs->fatbase + bc, 511, 1)) break;
- if (disk_readp(buf+1, fs->fatbase + bc + 1, 0, 1)) break;
- }
- wc = LD_WORD(buf);
- return (clst & 1) ? (wc >> 4) : (wc & 0xFFF);
-#endif
- case FS_FAT16 :
- if (disk_readp(buf, fs->fatbase + clst / 256, (WORD)(((WORD)clst % 256) * 2), 2)) break;
- return LD_WORD(buf);
-#if _FS_FAT32
- case FS_FAT32 :
- if (disk_readp(buf, fs->fatbase + clst / 128, (WORD)(((WORD)clst % 128) * 4), 4)) break;
- return LD_DWORD(buf) & 0x0FFFFFFF;
-#endif
- }
-
- return 1; /* An error occured at the disk I/O layer */
-}
-
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Get sector# from cluster# */
-/*-----------------------------------------------------------------------*/
-
-static
-DWORD clust2sect ( /* !=0: Sector number, 0: Failed - invalid cluster# */
- CLUST clst /* Cluster# to be converted */
-)
-{
- FATFS *fs = FatFs;
-
-
- clst -= 2;
- if (clst >= (fs->n_fatent - 2)) return 0; /* Invalid cluster# */
- return (DWORD)clst * fs->csize + fs->database;
-}
-
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Directory handling - Rewind directory index */
-/*-----------------------------------------------------------------------*/
-
-static
-FRESULT dir_rewind (
- DIR *dj /* Pointer to directory object */
-)
-{
- CLUST clst;
- FATFS *fs = FatFs;
-
-
- dj->index = 0;
- clst = dj->sclust;
- if (clst == 1 || clst >= fs->n_fatent) /* Check start cluster range */
- return FR_DISK_ERR;
- if (_FS_FAT32 && !clst && fs->fs_type == FS_FAT32) /* Replace cluster# 0 with root cluster# if in FAT32 */
- clst = (CLUST)fs->dirbase;
- dj->clust = clst; /* Current cluster */
- dj->sect = clst ? clust2sect(clst) : fs->dirbase; /* Current sector */
-
- return FR_OK; /* Seek succeeded */
-}
-
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Directory handling - Move directory index next */
-/*-----------------------------------------------------------------------*/
-
-static
-FRESULT dir_next ( /* FR_OK:Succeeded, FR_NO_FILE:End of table */
- DIR *dj /* Pointer to directory object */
-)
-{
- CLUST clst;
- WORD i;
- FATFS *fs = FatFs;
-
-
- i = dj->index + 1;
- if (!i || !dj->sect) /* Report EOT when index has reached 65535 */
- return FR_NO_FILE;
-
- if (!(i % 16)) { /* Sector changed? */
- dj->sect++; /* Next sector */
-
- if (dj->clust == 0) { /* Static table */
- if (i >= fs->n_rootdir) /* Report EOT when end of table */
- return FR_NO_FILE;
- }
- else { /* Dynamic table */
- if (((i / 16) & (fs->csize-1)) == 0) { /* Cluster changed? */
- clst = get_fat(dj->clust); /* Get next cluster */
- if (clst <= 1) return FR_DISK_ERR;
- if (clst >= fs->n_fatent) /* When it reached end of dynamic table */
- return FR_NO_FILE; /* Report EOT */
- dj->clust = clst; /* Initialize data for new cluster */
- dj->sect = clust2sect(clst);
- }
- }
- }
-
- dj->index = i;
-
- return FR_OK;
-}
-
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Directory handling - Find an object in the directory */
-/*-----------------------------------------------------------------------*/
-
-static
-FRESULT dir_find (
- DIR *dj, /* Pointer to the directory object linked to the file name */
- BYTE *dir /* 32-byte working buffer */
-)
-{
- FRESULT res;
- BYTE c;
-
-
- res = dir_rewind(dj); /* Rewind directory object */
- if (res != FR_OK) return res;
-
- do {
- res = disk_readp(dir, dj->sect, (WORD)((dj->index % 16) * 32), 32) /* Read an entry */
- ? FR_DISK_ERR : FR_OK;
- if (res != FR_OK) break;
- c = dir[DIR_Name]; /* First character */
- if (c == 0) { res = FR_NO_FILE; break; } /* Reached to end of table */
- if (!(dir[DIR_Attr] & AM_VOL) && !mem_cmp(dir, dj->fn, 11)) /* Is it a valid entry? */
- break;
- res = dir_next(dj); /* Next entry */
- } while (res == FR_OK);
-
- return res;
-}
-
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Read an object from the directory */
-/*-----------------------------------------------------------------------*/
-#if _USE_DIR
-static
-FRESULT dir_read (
- DIR *dj, /* Pointer to the directory object to store read object name */
- BYTE *dir /* 32-byte working buffer */
-)
-{
- FRESULT res;
- BYTE a, c;
-
-
- res = FR_NO_FILE;
- while (dj->sect) {
- res = disk_readp(dir, dj->sect, (WORD)((dj->index % 16) * 32), 32) /* Read an entry */
- ? FR_DISK_ERR : FR_OK;
- if (res != FR_OK) break;
- c = dir[DIR_Name];
- if (c == 0) { res = FR_NO_FILE; break; } /* Reached to end of table */
- a = dir[DIR_Attr] & AM_MASK;
- if (c != 0xE5 && c != '.' && !(a & AM_VOL)) /* Is it a valid entry? */
- break;
- res = dir_next(dj); /* Next entry */
- if (res != FR_OK) break;
- }
-
- if (res != FR_OK) dj->sect = 0;
-
- return res;
-}
-#endif
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Pick a segment and create the object name in directory form */
-/*-----------------------------------------------------------------------*/
-
-#ifdef _EXCVT
- static const BYTE cvt[] = _EXCVT;
-#endif
-
-static
-FRESULT create_name (
- DIR *dj, /* Pointer to the directory object */
- const char **path /* Pointer to pointer to the segment in the path string */
-)
-{
- BYTE c, d, ni, si, i, *sfn;
- const char *p;
-
- /* Create file name in directory form */
- sfn = dj->fn;
- mem_set(sfn, ' ', 11);
- si = i = 0; ni = 8;
- p = *path;
- for (;;) {
- c = p[si++];
- if (c <= ' ' || c == '/') break; /* Break on end of segment */
- if (c == '.' || i >= ni) {
- if (ni != 8 || c != '.') break;
- i = 8; ni = 11;
- continue;
- }
-#ifdef _EXCVT
- if (c >= 0x80) /* To upper extended char (SBCS) */
- c = cvt[c - 0x80];
-#endif
- if (IsDBCS1(c) && i < ni - 1) { /* DBC 1st byte? */
- d = p[si++]; /* Get 2nd byte */
- sfn[i++] = c;
- sfn[i++] = d;
- } else { /* Single byte code */
- if (IsLower(c)) c -= 0x20; /* toupper */
- sfn[i++] = c;
- }
- }
- *path = &p[si]; /* Rerurn pointer to the next segment */
-
- sfn[11] = (c <= ' ') ? 1 : 0; /* Set last segment flag if end of path */
-
- return FR_OK;
-}
-
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Get file information from directory entry */
-/*-----------------------------------------------------------------------*/
-#if _USE_DIR
-static
-void get_fileinfo ( /* No return code */
- DIR *dj, /* Pointer to the directory object */
- BYTE *dir, /* 32-byte working buffer */
- FILINFO *fno /* Pointer to store the file information */
-)
-{
- BYTE i, c;
- char *p;
-
-
- p = fno->fname;
- if (dj->sect) {
- for (i = 0; i < 8; i++) { /* Copy file name body */
- c = dir[i];
- if (c == ' ') break;
- if (c == 0x05) c = 0xE5;
- *p++ = c;
- }
- if (dir[8] != ' ') { /* Copy file name extension */
- *p++ = '.';
- for (i = 8; i < 11; i++) {
- c = dir[i];
- if (c == ' ') break;
- *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;
-}
-#endif /* _USE_DIR */
-
-
-
-/*-----------------------------------------------------------------------*/
-/* 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 */
- BYTE *dir, /* 32-byte working buffer */
- const char *path /* Full-path string to find a file or directory */
-)
-{
- FRESULT res;
-
-
- while (*path == ' ') path++; /* Skip leading spaces */
- if (*path == '/') path++; /* Strip heading separator */
- dj->sclust = 0; /* Set start directory (always root dir) */
-
- if ((BYTE)*path <= ' ') { /* Null path means the root directory */
- res = dir_rewind(dj);
- dir[0] = 0;
-
- } else { /* Follow path */
- for (;;) {
- res = create_name(dj, &path); /* Get a segment */
- if (res != FR_OK) break;
- res = dir_find(dj, dir); /* Find it */
- if (res != FR_OK) { /* Could not find the object */
- if (res == FR_NO_FILE && !*(dj->fn+11))
- res = FR_NO_PATH;
- break;
- }
- if (*(dj->fn+11)) break; /* Last segment match. Function completed. */
- if (!(dir[DIR_Attr] & AM_DIR)) { /* Cannot follow because it is a file */
- res = FR_NO_PATH; break;
- }
- dj->sclust = LD_CLUST(dir);
- }
- }
-
- return res;
-}
-
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Check a sector if it is an FAT boot record */
-/*-----------------------------------------------------------------------*/
-
-static
-BYTE check_fs ( /* 0:The FAT boot record, 1:Valid boot record but not an FAT, 2:Not a boot record, 3:Error */
- BYTE *buf, /* Working buffer */
- DWORD sect /* Sector# (lba) to check if it is an FAT boot record or not */
-)
-{
- if (disk_readp(buf, sect, 510, 2)) /* Read the boot sector */
- return 3;
- if (LD_WORD(buf) != 0xAA55) /* Check record signature */
- return 2;
-
- if (!disk_readp(buf, sect, BS_FilSysType, 2) && LD_WORD(buf) == 0x4146) /* Check FAT12/16 */
- return 0;
- if (_FS_FAT32 && !disk_readp(buf, sect, BS_FilSysType32, 2) && LD_WORD(buf) == 0x4146) /* Check FAT32 */
- return 0;
- return 1;
-}
-
-
-
-
-/*--------------------------------------------------------------------------
-
- Public Functions
-
---------------------------------------------------------------------------*/
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Mount/Unmount a Locical Drive */
-/*-----------------------------------------------------------------------*/
-
-FRESULT pf_mount (
- FATFS *fs /* Pointer to new file system object (NULL: Unmount) */
-)
-{
- BYTE fmt, buf[36];
- DWORD bsect, fsize, tsect, mclst;
-
-
- FatFs = 0;
- if (!fs) return FR_OK; /* Unregister fs object */
-
- if (disk_initialize() & STA_NOINIT) /* Check if the drive is ready or not */
- return FR_NOT_READY;
-
- /* Search FAT partition on the drive */
- bsect = 0;
- fmt = check_fs(buf, bsect); /* Check sector 0 as an SFD format */
- if (fmt == 1) { /* Not an FAT boot record, it may be FDISK format */
- /* Check a partition listed in top of the partition table */
- if (disk_readp(buf, bsect, MBR_Table, 16)) { /* 1st partition entry */
- fmt = 3;
- } else {
- if (buf[4]) { /* Is the partition existing? */
- bsect = LD_DWORD(&buf[8]); /* Partition offset in LBA */
- fmt = check_fs(buf, bsect); /* Check the partition */
- }
- }
- }
- if (fmt == 3) return FR_DISK_ERR;
- if (fmt) return FR_NO_FILESYSTEM; /* No valid FAT patition is found */
-
- /* Initialize the file system object */
- if (disk_readp(buf, bsect, 13, sizeof(buf))) return FR_DISK_ERR;
-
- fsize = LD_WORD(buf+BPB_FATSz16-13); /* Number of sectors per FAT */
- if (!fsize) fsize = LD_DWORD(buf+BPB_FATSz32-13);
-
- fsize *= buf[BPB_NumFATs-13]; /* Number of sectors in FAT area */
- fs->fatbase = bsect + LD_WORD(buf+BPB_RsvdSecCnt-13); /* FAT start sector (lba) */
- fs->csize = buf[BPB_SecPerClus-13]; /* Number of sectors per cluster */
- fs->n_rootdir = LD_WORD(buf+BPB_RootEntCnt-13); /* Nmuber of root directory entries */
- tsect = LD_WORD(buf+BPB_TotSec16-13); /* Number of sectors on the file system */
- if (!tsect) tsect = LD_DWORD(buf+BPB_TotSec32-13);
- mclst = (tsect /* Last cluster# + 1 */
- - LD_WORD(buf+BPB_RsvdSecCnt-13) - fsize - fs->n_rootdir / 16
- ) / fs->csize + 2;
- fs->n_fatent = (CLUST)mclst;
-
- fmt = FS_FAT16; /* Determine the FAT sub type */
- if (mclst < 0xFF7) /* Number of clusters < 0xFF5 */
-#if _FS_FAT12
- fmt = FS_FAT12;
-#else
- return FR_NO_FILESYSTEM;
-#endif
- if (mclst >= 0xFFF7) /* Number of clusters >= 0xFFF5 */
-#if _FS_FAT32
- fmt = FS_FAT32;
-#else
- return FR_NO_FILESYSTEM;
-#endif
-
- fs->fs_type = fmt; /* FAT sub-type */
- if (_FS_FAT32 && fmt == FS_FAT32)
- fs->dirbase = LD_DWORD(buf+(BPB_RootClus-13)); /* Root directory start cluster */
- else
- fs->dirbase = fs->fatbase + fsize; /* Root directory start sector (lba) */
- fs->database = fs->fatbase + fsize + fs->n_rootdir / 16; /* Data start sector (lba) */
-
- fs->flag = 0;
- FatFs = fs;
-
- return FR_OK;
-}
-
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Open or Create a File */
-/*-----------------------------------------------------------------------*/
-
-FRESULT pf_open (
- const char *path /* Pointer to the file name */
-)
-{
- FRESULT res;
- DIR dj;
- BYTE sp[12], dir[32];
- FATFS *fs = FatFs;
-
-
- if (!fs) /* Check file system */
- return FR_NOT_ENABLED;
-
- fs->flag = 0;
- dj.fn = sp;
- res = follow_path(&dj, dir, path); /* Follow the file path */
- if (res != FR_OK) return res; /* Follow failed */
- if (!dir[0] || (dir[DIR_Attr] & AM_DIR)) /* It is a directory */
- return FR_NO_FILE;
-
- fs->org_clust = LD_CLUST(dir); /* File start cluster */
- fs->fsize = LD_DWORD(dir+DIR_FileSize); /* File size */
- fs->fptr = 0; /* File pointer */
- fs->flag = FA_OPENED;
-
- return FR_OK;
-}
-
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Read File */
-/*-----------------------------------------------------------------------*/
-#if _USE_READ
-
-FRESULT pf_read (
- void* buff, /* Pointer to the read buffer (NULL:Forward data to the stream)*/
- WORD btr, /* Number of bytes to read */
- WORD* br /* Pointer to number of bytes read */
-)
-{
- DRESULT dr;
- CLUST clst;
- DWORD sect, remain;
- WORD rcnt;
- BYTE cs, *rbuff = buff;
- FATFS *fs = FatFs;
-
-
- *br = 0;
- if (!fs) return FR_NOT_ENABLED; /* Check file system */
- if (!(fs->flag & FA_OPENED)) /* Check if opened */
- return FR_NOT_OPENED;
-
- remain = fs->fsize - fs->fptr;
- if (btr > remain) btr = (WORD)remain; /* Truncate btr by remaining bytes */
-
- while (btr) { /* Repeat until all data transferred */
- if ((fs->fptr % 512) == 0) { /* On the sector boundary? */
- cs = (BYTE)(fs->fptr / 512 & (fs->csize - 1)); /* Sector offset in the cluster */
- if (!cs) { /* On the cluster boundary? */
- clst = (fs->fptr == 0) ? /* On the top of the file? */
- fs->org_clust : get_fat(fs->curr_clust);
- if (clst <= 1) goto fr_abort;
- fs->curr_clust = clst; /* Update current cluster */
- }
- sect = clust2sect(fs->curr_clust); /* Get current sector */
- if (!sect) goto fr_abort;
- fs->dsect = sect + cs;
- }
- rcnt = (WORD)(512 - (fs->fptr % 512)); /* Get partial sector data from sector buffer */
- if (rcnt > btr) rcnt = btr;
- dr = disk_readp(!buff ? 0 : rbuff, fs->dsect, (WORD)(fs->fptr % 512), rcnt);
- if (dr) goto fr_abort;
- fs->fptr += rcnt; rbuff += rcnt; /* Update pointers and counters */
- btr -= rcnt; *br += rcnt;
- }
-
- return FR_OK;
-
-fr_abort:
- fs->flag = 0;
- return FR_DISK_ERR;
-}
-#endif
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Write File */
-/*-----------------------------------------------------------------------*/
-#if _USE_WRITE
-
-FRESULT pf_write (
- const void* buff, /* Pointer to the data to be written */
- WORD btw, /* Number of bytes to write (0:Finalize the current write operation) */
- WORD* bw /* Pointer to number of bytes written */
-)
-{
- CLUST clst;
- DWORD sect, remain;
- const BYTE *p = buff;
- BYTE cs;
- WORD wcnt;
- FATFS *fs = FatFs;
-
-
- *bw = 0;
- if (!fs) return FR_NOT_ENABLED; /* Check file system */
- if (!(fs->flag & FA_OPENED)) /* Check if opened */
- return FR_NOT_OPENED;
-
- if (!btw) { /* Finalize request */
- if ((fs->flag & FA__WIP) && disk_writep(0, 0)) goto fw_abort;
- fs->flag &= ~FA__WIP;
- return FR_OK;
- } else { /* Write data request */
- if (!(fs->flag & FA__WIP)) /* Round-down fptr to the sector boundary */
- fs->fptr &= 0xFFFFFE00;
- }
- remain = fs->fsize - fs->fptr;
- if (btw > remain) btw = (WORD)remain; /* Truncate btw by remaining bytes */
-
- while (btw) { /* Repeat until all data transferred */
- if (((WORD)fs->fptr % 512) == 0) { /* On the sector boundary? */
- cs = (BYTE)(fs->fptr / 512 & (fs->csize - 1)); /* Sector offset in the cluster */
- if (!cs) { /* On the cluster boundary? */
- clst = (fs->fptr == 0) ? /* On the top of the file? */
- fs->org_clust : get_fat(fs->curr_clust);
- if (clst <= 1) goto fw_abort;
- fs->curr_clust = clst; /* Update current cluster */
- }
- sect = clust2sect(fs->curr_clust); /* Get current sector */
- if (!sect) goto fw_abort;
- fs->dsect = sect + cs;
- if (disk_writep(0, fs->dsect)) goto fw_abort; /* Initiate a sector write operation */
- fs->flag |= FA__WIP;
- }
- wcnt = 512 - ((WORD)fs->fptr % 512); /* Number of bytes to write to the sector */
- if (wcnt > btw) wcnt = btw;
- if (disk_writep(p, wcnt)) goto fw_abort; /* Send data to the sector */
- fs->fptr += wcnt; p += wcnt; /* Update pointers and counters */
- btw -= wcnt; *bw += wcnt;
- if (((WORD)fs->fptr % 512) == 0) {
- if (disk_writep(0, 0)) goto fw_abort; /* Finalize the currtent secter write operation */
- fs->flag &= ~FA__WIP;
- }
- }
-
- return FR_OK;
-
-fw_abort:
- fs->flag = 0;
- return FR_DISK_ERR;
-}
-#endif
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Seek File R/W Pointer */
-/*-----------------------------------------------------------------------*/
-#if _USE_LSEEK
-
-FRESULT pf_lseek (
- DWORD ofs /* File pointer from top of file */
-)
-{
- CLUST clst;
- DWORD bcs, sect, ifptr;
- FATFS *fs = FatFs;
-
-
- if (!fs) return FR_NOT_ENABLED; /* Check file system */
- if (!(fs->flag & FA_OPENED)) /* Check if opened */
- return FR_NOT_OPENED;
-
- if (ofs > fs->fsize) ofs = fs->fsize; /* Clip offset with the file size */
- ifptr = fs->fptr;
- fs->fptr = 0;
- if (ofs > 0) {
- bcs = (DWORD)fs->csize * 512; /* Cluster size (byte) */
- if (ifptr > 0 &&
- (ofs - 1) / bcs >= (ifptr - 1) / bcs) { /* When seek to same or following cluster, */
- fs->fptr = (ifptr - 1) & ~(bcs - 1); /* start from the current cluster */
- ofs -= fs->fptr;
- clst = fs->curr_clust;
- } else { /* When seek to back cluster, */
- clst = fs->org_clust; /* start from the first cluster */
- fs->curr_clust = clst;
- }
- while (ofs > bcs) { /* Cluster following loop */
- clst = get_fat(clst); /* Follow cluster chain */
- if (clst <= 1 || clst >= fs->n_fatent) goto fe_abort;
- fs->curr_clust = clst;
- fs->fptr += bcs;
- ofs -= bcs;
- }
- fs->fptr += ofs;
- sect = clust2sect(clst); /* Current sector */
- if (!sect) goto fe_abort;
- fs->dsect = sect + (fs->fptr / 512 & (fs->csize - 1));
- }
-
- return FR_OK;
-
-fe_abort:
- fs->flag = 0;
- return FR_DISK_ERR;
-}
-#endif
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Create a Directroy Object */
-/*-----------------------------------------------------------------------*/
-#if _USE_DIR
-
-FRESULT pf_opendir (
- DIR *dj, /* Pointer to directory object to create */
- const char *path /* Pointer to the directory path */
-)
-{
- FRESULT res;
- BYTE sp[12], dir[32];
- FATFS *fs = FatFs;
-
-
- if (!fs) { /* Check file system */
- res = FR_NOT_ENABLED;
- } else {
- dj->fn = sp;
- res = follow_path(dj, dir, path); /* Follow the path to the directory */
- if (res == FR_OK) { /* Follow completed */
- if (dir[0]) { /* It is not the root dir */
- if (dir[DIR_Attr] & AM_DIR) /* The object is a directory */
- dj->sclust = LD_CLUST(dir);
- else /* The object is not a directory */
- res = FR_NO_PATH;
- }
- if (res == FR_OK)
- res = dir_rewind(dj); /* Rewind dir */
- }
- if (res == FR_NO_FILE) res = FR_NO_PATH;
- }
-
- return res;
-}
-
-
-
-
-/*-----------------------------------------------------------------------*/
-/* Read Directory Entry in Sequense */
-/*-----------------------------------------------------------------------*/
-
-FRESULT pf_readdir (
- DIR *dj, /* Pointer to the open directory object */
- FILINFO *fno /* Pointer to file information to return */
-)
-{
- FRESULT res;
- BYTE sp[12], dir[32];
- FATFS *fs = FatFs;
-
-
- if (!fs) { /* Check file system */
- res = FR_NOT_ENABLED;
- } else {
- dj->fn = sp;
- if (!fno) {
- res = dir_rewind(dj);
- } else {
- res = dir_read(dj, dir);
- if (res == FR_NO_FILE) {
- dj->sect = 0;
- res = FR_OK;
- }
- if (res == FR_OK) { /* A valid entry is found */
- get_fileinfo(dj, dir, fno); /* Get the object information */
- res = dir_next(dj); /* Increment index for next */
- if (res == FR_NO_FILE) {
- dj->sect = 0;
- res = FR_OK;
- }
- }
- }
- }
-
- return res;
-}
-
-#endif /* _USE_DIR */
-
projects / pub / lufa.git / commitdiff