diff options
| author | Jack Humbert <[email protected]> | 2017-07-07 11:55:23 -0400 | 
|---|---|---|
| committer | Jack Humbert <[email protected]> | 2017-07-07 11:55:23 -0400 | 
| commit | 8655d4f4948b2deef7844503c8d690f23ac1a062 (patch) | |
| tree | b2c6effc9d6cd5b5b43933a1e53b8bf17e9e82cf /lib/lufa/Projects/Webserver/Lib/FATFs | |
| parent | 1896c76a2928c96f9ab7947bec2ef8dd37623cff (diff) | |
| parent | 60b30c036397cb5627fa374bb930794b225daa29 (diff) | |
| download | qmk_firmware-8655d4f4948b2deef7844503c8d690f23ac1a062.tar.gz qmk_firmware-8655d4f4948b2deef7844503c8d690f23ac1a062.zip | |
Merge commit '60b30c036397cb5627fa374bb930794b225daa29' as 'lib/lufa'
Diffstat (limited to 'lib/lufa/Projects/Webserver/Lib/FATFs')
| -rw-r--r-- | lib/lufa/Projects/Webserver/Lib/FATFs/00readme.txt | 135 | ||||
| -rw-r--r-- | lib/lufa/Projects/Webserver/Lib/FATFs/diskio.c | 65 | ||||
| -rw-r--r-- | lib/lufa/Projects/Webserver/Lib/FATFs/diskio.h | 52 | ||||
| -rw-r--r-- | lib/lufa/Projects/Webserver/Lib/FATFs/ff.c | 4139 | ||||
| -rw-r--r-- | lib/lufa/Projects/Webserver/Lib/FATFs/ff.h | 337 | ||||
| -rw-r--r-- | lib/lufa/Projects/Webserver/Lib/FATFs/ffconf.h | 190 | ||||
| -rw-r--r-- | lib/lufa/Projects/Webserver/Lib/FATFs/integer.h | 38 | 
7 files changed, 4956 insertions, 0 deletions
| diff --git a/lib/lufa/Projects/Webserver/Lib/FATFs/00readme.txt b/lib/lufa/Projects/Webserver/Lib/FATFs/00readme.txt new file mode 100644 index 0000000000..80d8843d13 --- /dev/null +++ b/lib/lufa/Projects/Webserver/Lib/FATFs/00readme.txt @@ -0,0 +1,135 @@ +FatFs Module Source Files R0.09a                       (C)ChaN, 2012 + + +FILES + +  ffconf.h   Configuration file for FatFs module. +  ff.h       Common include file for FatFs and application module. +  ff.c       FatFs module. +  diskio.h   Common include file for FatFs and disk I/O module. +  diskio.c   An example of glue function to attach existing disk I/O module to FatFs. +  integer.h  Integer type definitions for FatFs. +  option     Optional external functions. + +  Low level disk I/O module is not included in this archive because the FatFs +  module is only a generic file system layer and not depend on any specific +  storage device. You have to provide a low level disk I/O module that written +  to control your storage device. + + + +AGREEMENTS + + FatFs module is an open source software to implement FAT file system to + small embedded systems. This is a free software and is opened for education, + research and commercial developments under license policy of following trems. + +  Copyright (C) 2012, ChaN, all right reserved. + + * The FatFs module is a free software and there is NO WARRANTY. + * No restriction on use. You can use, modify and redistribute it for +   personal, non-profit or commercial product UNDER YOUR RESPONSIBILITY. + * Redistributions of source code must retain the above copyright notice. + + + +REVISION HISTORY + +  Feb 26, 2006  R0.00  Prototype + +  Apr 29, 2006  R0.01  First release. + +  Jun 01, 2006  R0.02  Added FAT12. +                       Removed unbuffered mode. +                       Fixed a problem on small (<32M) patition. + +  Jun 10, 2006  R0.02a Added a configuration option _FS_MINIMUM. + +  Sep 22, 2006  R0.03  Added f_rename. +                       Changed option _FS_MINIMUM to _FS_MINIMIZE. + +  Dec 11, 2006  R0.03a Improved cluster scan algolithm to write files fast. +                       Fixed f_mkdir creates incorrect directory on FAT32. + +  Feb 04, 2007  R0.04  Supported multiple drive system. (FatFs) +                       Changed some APIs for multiple drive system. +                       Added f_mkfs. (FatFs) +                       Added _USE_FAT32 option. (Tiny-FatFs) + +  Apr 01, 2007  R0.04a Supported multiple partitions on a plysical drive. (FatFs) +                       Fixed an endian sensitive code in f_mkfs. (FatFs) +                       Added a capability of extending the file size to f_lseek. +                       Added minimization level 3. +                       Fixed a problem that can collapse a sector when recreate an +                       existing file in any sub-directory at non FAT32 cfg. (Tiny-FatFs) + +  May 05, 2007  R0.04b Added _USE_NTFLAG option. +                       Added FSInfo support. +                       Fixed some problems corresponds to FAT32. (Tiny-FatFs) +                       Fixed DBCS name can result FR_INVALID_NAME. +                       Fixed short seek (0 < ofs <= csize) collapses the file object. + +  Aug 25, 2007  R0.05  Changed arguments of f_read, f_write. +                       Changed arguments of f_mkfs. (FatFs) +                       Fixed f_mkfs on FAT32 creates incorrect FSInfo. (FatFs) +                       Fixed f_mkdir on FAT32 creates incorrect directory. (FatFs) + +  Feb 03, 2008  R0.05a Added f_truncate(). +                       Added f_utime(). +                       Fixed off by one error at FAT sub-type determination. +                       Fixed btr in f_read() can be mistruncated. +                       Fixed cached sector is not flushed when create and close without write. + +  Apr 01, 2008  R0.06  Added f_forward(). (Tiny-FatFs) +                       Added string functions: fputc(), fputs(), fprintf() and fgets(). +                       Improved performance of f_lseek() on move to the same or following cluster. + +  Apr 01, 2009, R0.07  Merged Tiny-FatFs as a buffer configuration option. +                       Added long file name support. +                       Added multiple code page support. +                       Added re-entrancy for multitask operation. +                       Added auto cluster size selection to f_mkfs(). +                       Added rewind option to f_readdir(). +                       Changed result code of critical errors. +                       Renamed string functions to avoid name collision. + +  Apr 14, 2009, R0.07a Separated out OS dependent code on reentrant cfg. +                       Added multiple sector size support. + +  Jun 21, 2009, R0.07c Fixed f_unlink() may return FR_OK on error. +                       Fixed wrong cache control in f_lseek(). +                       Added relative path feature. +                       Added f_chdir(). +                       Added f_chdrive(). +                       Added proper case conversion for extended characters. + +  Nov 03, 2009 R0.07e  Separated out configuration options from ff.h to ffconf.h. +                       Added a configuration option, _LFN_UNICODE. +                       Fixed f_unlink() fails to remove a sub-dir on _FS_RPATH. +                       Fixed name matching error on the 13 char boundary. +                       Changed f_readdir() to return the SFN with always upper case on non-LFN cfg. + +  May 15, 2010, R0.08  Added a memory configuration option. (_USE_LFN) +                       Added file lock feature. (_FS_SHARE) +                       Added fast seek feature. (_USE_FASTSEEK) +                       Changed some types on the API, XCHAR->TCHAR. +                       Changed fname member in the FILINFO structure on Unicode cfg. +                       String functions support UTF-8 encoding files on Unicode cfg. + +  Aug 16,'10 R0.08a    Added f_getcwd(). (_FS_RPATH = 2) +                       Added sector erase feature. (_USE_ERASE) +                       Moved file lock semaphore table from fs object to the bss. +                       Fixed a wrong directory entry is created on non-LFN cfg when the given name contains ';'. +                       Fixed f_mkfs() creates wrong FAT32 volume. + +  Jan 15,'11 R0.08b    Fast seek feature is also applied to f_read() and f_write(). +                       f_lseek() reports required table size on creating CLMP. +                       Extended format syntax of f_printf function. +                       Ignores duplicated directory separators in given path names. + +  Sep 06,'11 R0.09     f_mkfs() supports multiple partition to finish the multiple partition feature. +                       Added f_fdisk(). (_MULTI_PARTITION = 2) + +  Aug 27,'12 R0.09a    Fixed assertion failure due to OS/2 EA on FAT12/16. +                       Changed API rejects null object pointer to avoid crash. +                       Changed option name _FS_SHARE to _FS_LOCK. diff --git a/lib/lufa/Projects/Webserver/Lib/FATFs/diskio.c b/lib/lufa/Projects/Webserver/Lib/FATFs/diskio.c new file mode 100644 index 0000000000..b119b1a402 --- /dev/null +++ b/lib/lufa/Projects/Webserver/Lib/FATFs/diskio.c @@ -0,0 +1,65 @@ +/*-----------------------------------------------------------------------*/ +/* Low level disk I/O module skeleton for FatFs     (C)ChaN, 2007        */ +/*-----------------------------------------------------------------------*/ +/* This is a stub disk I/O module that acts as front end of the existing */ +/* disk I/O modules and attach it to FatFs module with common interface. */ +/*-----------------------------------------------------------------------*/ + +#include "diskio.h" + +/*-----------------------------------------------------------------------*/ +/* Initialize a Drive                                                    */ + +DSTATUS disk_initialize ( +	BYTE drv				/* Physical drive number (0..) */ +) +{ +	return FR_OK; +} + + + +/*-----------------------------------------------------------------------*/ +/* Return Disk Status                                                    */ + +DSTATUS disk_status ( +	BYTE drv		/* Physical drive number (0..) */ +) +{ +	return FR_OK; +} + + + +/*-----------------------------------------------------------------------*/ +/* Read Sector(s)                                                        */ + +DRESULT disk_read ( +	BYTE drv,		/* Physical drive number (0..) */ +	BYTE *buff,		/* Data buffer to store read data */ +	DWORD sector,	/* Sector address (LBA) */ +	BYTE count		/* Number of sectors to read (1..128) */ +) +{ +	DataflashManager_ReadBlocks_RAM(sector, count, buff); +	return RES_OK; +} + + + +/*-----------------------------------------------------------------------*/ +/* Write Sector(s)                                                       */ + +#if _READONLY == 0 +DRESULT disk_write ( +	BYTE drv,			/* Physical drive number (0..) */ +	const BYTE *buff,	/* Data to be written */ +	DWORD sector,		/* Sector address (LBA) */ +	BYTE count			/* Number of sectors to write (1..128) */ +) +{ +	DataflashManager_WriteBlocks_RAM(sector, count, buff); +	return RES_OK; +} +#endif /* _READONLY */ + diff --git a/lib/lufa/Projects/Webserver/Lib/FATFs/diskio.h b/lib/lufa/Projects/Webserver/Lib/FATFs/diskio.h new file mode 100644 index 0000000000..65e3048a0a --- /dev/null +++ b/lib/lufa/Projects/Webserver/Lib/FATFs/diskio.h @@ -0,0 +1,52 @@ +/*----------------------------------------------------------------------- +/  Low level disk interface module include file +/-----------------------------------------------------------------------*/ + +#ifndef _DISKIO_DEFINED +#define _DISKIO_DEFINED + +#ifdef __cplusplus +extern "C" { +#endif + +#include "integer.h" +#include "ff.h" + +#include "../DataflashManager.h" + + +/* Status of Disk Functions */ +typedef BYTE	DSTATUS; + +/* Results of Disk Functions */ +typedef enum { +	RES_OK = 0,		/* 0: Successful */ +	RES_ERROR,		/* 1: R/W Error */ +	RES_WRPRT,		/* 2: Write Protected */ +	RES_NOTRDY,		/* 3: Not Ready */ +	RES_PARERR		/* 4: Invalid Parameter */ +} DRESULT; + + +/*---------------------------------------*/ +/* Prototypes for disk control functions */ + +DSTATUS disk_initialize (BYTE); +DSTATUS disk_status (BYTE); +DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE); +DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE); +DRESULT disk_ioctl (BYTE, BYTE, void*); + + +/* Disk Status Bits (DSTATUS) */ + +#define STA_NOINIT		0x01	/* Drive not initialized */ +#define STA_NODISK		0x02	/* No medium in the drive */ +#define STA_PROTECT		0x04	/* Write protected */ + + +#ifdef __cplusplus +} +#endif + +#endif diff --git a/lib/lufa/Projects/Webserver/Lib/FATFs/ff.c b/lib/lufa/Projects/Webserver/Lib/FATFs/ff.c new file mode 100644 index 0000000000..2f58adf837 --- /dev/null +++ b/lib/lufa/Projects/Webserver/Lib/FATFs/ff.c @@ -0,0 +1,4139 @@ +/*----------------------------------------------------------------------------/ +/  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 = 0; +	for (;;) { +		w = p[si++];					/* Get a character */ +		if (w < ' ' || w == '/' || w == '\\') break;	/* Break on end of segment */ +		if (di >= _MAX_LFN)				/* Reject too long name */ +			return FR_INVALID_NAME; +#if !_LFN_UNICODE +		w &= 0xFF; +		if (IsDBCS1(w)) {				/* Check if it is a DBC 1st byte (always false on SBCS cfg) */ +			b = (BYTE)p[si++];			/* Get 2nd byte */ +			if (!IsDBCS2(b)) +				return FR_INVALID_NAME;	/* Reject invalid sequence */ +			w = (w << 8) + b;			/* Create a DBC */ +		} +		w = ff_convert(w, 1);			/* Convert ANSI/OEM to Unicode */ +		if (!w) return FR_INVALID_NAME;	/* Reject invalid code */ +#endif +		if (w < 0x80 && chk_chr("\"*:<>\?|\x7F", w)) /* Reject illegal chars for LFN */ +			return FR_INVALID_NAME; +		lfn[di++] = w;					/* Store the Unicode char */ +	} +	*path = &p[si];						/* Return pointer to the next segment */ +	cf = (w < ' ') ? NS_LAST : 0;		/* Set last segment flag if end of path */ +#if _FS_RPATH +	if ((di == 1 && lfn[di-1] == '.') || /* Is this a dot entry? */ +		(di == 2 && lfn[di-1] == '.' && lfn[di-2] == '.')) { +		lfn[di] = 0; +		for (i = 0; i < 11; i++) +			dj->fn[i] = (i < di) ? '.' : ' '; +		dj->fn[i] = cf | NS_DOT;		/* This is a dot entry */ +		return FR_OK; +	} +#endif +	while (di) {						/* Strip trailing spaces and dots */ +		w = lfn[di-1]; +		if (w != ' ' && w != '.') break; +		di--; +	} +	if (!di) return FR_INVALID_NAME;	/* Reject nul string */ + +	lfn[di] = 0;						/* LFN is created */ + +	/* Create SFN in directory form */ +	mem_set(dj->fn, ' ', 11); +	for (si = 0; lfn[si] == ' ' || lfn[si] == '.'; si++) ;	/* Strip leading spaces and dots */ +	if (si) cf |= NS_LOSS | NS_LFN; +	while (di && lfn[di - 1] != '.') di--;	/* Find extension (di<=si: no extension) */ + +	b = i = 0; ni = 8; +	for (;;) { +		w = lfn[si++];					/* Get an LFN char */ +		if (!w) break;					/* Break on end of the LFN */ +		if (w == ' ' || (w == '.' && si != di)) {	/* Remove spaces and dots */ +			cf |= NS_LOSS | NS_LFN; continue; +		} + +		if (i >= ni || si == di) {		/* Extension or end of SFN */ +			if (ni == 11) {				/* Long extension */ +				cf |= NS_LOSS | NS_LFN; break; +			} +			if (si != di) cf |= NS_LOSS | NS_LFN;	/* Out of 8.3 format */ +			if (si > di) break;			/* No extension */ +			si = di; i = 8; ni = 11;	/* Enter extension section */ +			b <<= 2; continue; +		} + +		if (w >= 0x80) {				/* Non ASCII char */ +#ifdef _EXCVT +			w = ff_convert(w, 0);		/* Unicode -> OEM code */ +			if (w) w = excvt[w - 0x80];	/* Convert extended char to upper (SBCS) */ +#else +			w = ff_convert(ff_wtoupper(w), 0);	/* Upper converted Unicode -> OEM code */ +#endif +			cf |= NS_LFN;				/* Force create LFN entry */ +		} + +		if (_DF1S && w >= 0x100) {		/* Double byte char (always false on SBCS cfg) */ +			if (i >= ni - 1) { +				cf |= NS_LOSS | NS_LFN; i = ni; continue; +			} +			dj->fn[i++] = (BYTE)(w >> 8); +		} else {						/* Single byte char */ +			if (!w || chk_chr("+,;=[]", w)) {	/* Replace illegal chars for SFN */ +				w = '_'; cf |= NS_LOSS | NS_LFN;/* Lossy conversion */ +			} else { +				if (IsUpper(w)) {		/* ASCII large capital */ +					b |= 2; +				} else { +					if (IsLower(w)) {	/* ASCII small capital */ +						b |= 1; w -= 0x20; +					} +				} +			} +		} +		dj->fn[i++] = (BYTE)w; +	} + +	if (dj->fn[0] == DDE) dj->fn[0] = NDDE;	/* If the first char collides with deleted mark, replace it with 0x05 */ + +	if (ni == 8) b <<= 2; +	if ((b & 0x0C) == 0x0C || (b & 0x03) == 0x03)	/* Create LFN entry when there are composite capitals */ +		cf |= NS_LFN; +	if (!(cf & NS_LFN)) {						/* When LFN is in 8.3 format without extended char, NT flags are created */ +		if ((b & 0x03) == 0x01) cf |= NS_EXT;	/* NT flag (Extension has only small capital) */ +		if ((b & 0x0C) == 0x04) cf |= NS_BODY;	/* NT flag (Filename has only small capital) */ +	} + +	dj->fn[NS] = cf;	/* SFN is created */ + +	return FR_OK; + + +#else	/* Non-LFN configuration */ +	BYTE b, c, d, *sfn; +	UINT ni, si, i; +	const char *p; + +	/* Create file name in directory form */ +	for (p = *path; *p == '/' || *p == '\\'; p++) ;	/* Strip duplicated separator */ +	sfn = dj->fn; +	mem_set(sfn, ' ', 11); +	si = i = b = 0; ni = 8; +#if _FS_RPATH +	if (p[si] == '.') { /* Is this a dot entry? */ +		for (;;) { +			c = (BYTE)p[si++]; +			if (c != '.' || si >= 3) break; +			sfn[i++] = c; +		} +		if (c != '/' && c != '\\' && c > ' ') return FR_INVALID_NAME; +		*path = &p[si];									/* Return pointer to the next segment */ +		sfn[NS] = (c <= ' ') ? NS_LAST | NS_DOT : NS_DOT;	/* Set last segment flag if end of path */ +		return FR_OK; +	} +#endif +	for (;;) { +		c = (BYTE)p[si++]; +		if (c <= ' ' || c == '/' || c == '\\') break;	/* Break on end of segment */ +		if (c == '.' || i >= ni) { +			if (ni != 8 || c != '.') return FR_INVALID_NAME; +			i = 8; ni = 11; +			b <<= 2; continue; +		} +		if (c >= 0x80) {				/* Extended char? */ +			b |= 3;						/* Eliminate NT flag */ +#ifdef _EXCVT +			c = excvt[c - 0x80];		/* Upper conversion (SBCS) */ +#else +#if !_DF1S	/* ASCII only cfg */ +			return FR_INVALID_NAME; +#endif +#endif +		} +		if (IsDBCS1(c)) {				/* Check if it is a DBC 1st byte (always false on SBCS cfg) */ +			d = (BYTE)p[si++];			/* Get 2nd byte */ +			if (!IsDBCS2(d) || i >= ni - 1)	/* Reject invalid DBC */ +				return FR_INVALID_NAME; +			sfn[i++] = c; +			sfn[i++] = d; +		} else {						/* Single byte code */ +			if (chk_chr("\"*+,:;<=>\?[]|\x7F", c))	/* Reject illegal chrs for SFN */ +				return FR_INVALID_NAME; +			if (IsUpper(c)) {			/* ASCII large capital? */ +				b |= 2; +			} else { +				if (IsLower(c)) {		/* ASCII small capital? */ +					b |= 1; c -= 0x20; +				} +			} +			sfn[i++] = c; +		} +	} +	*path = &p[si];						/* Return pointer to the next segment */ +	c = (c <= ' ') ? NS_LAST : 0;		/* Set last segment flag if end of path */ + +	if (!i) return FR_INVALID_NAME;		/* Reject nul string */ +	if (sfn[0] == DDE) sfn[0] = NDDE;	/* When first char collides with DDE, replace it with 0x05 */ + +	if (ni == 8) b <<= 2; +	if ((b & 0x03) == 0x01) c |= NS_EXT;	/* NT flag (Name extension has only small capital) */ +	if ((b & 0x0C) == 0x04) c |= NS_BODY;	/* NT flag (Name body has only small capital) */ + +	sfn[NS] = c;		/* Store NT flag, File name is created */ + +	return FR_OK; +#endif +} + + + + +/*-----------------------------------------------------------------------*/ +/* Get file information from directory entry                             */ +/*-----------------------------------------------------------------------*/ +#if _FS_MINIMIZE <= 1 +static +void get_fileinfo (		/* No return code */ +	DIR *dj,			/* Pointer to the directory object */ +	FILINFO *fno	 	/* Pointer to the file information to be filled */ +) +{ +	UINT i; +	BYTE nt, *dir; +	TCHAR *p, c; + + +	p = fno->fname; +	if (dj->sect) { +		dir = dj->dir; +		nt = dir[DIR_NTres];		/* NT flag */ +		for (i = 0; i < 8; i++) {	/* Copy name body */ +			c = dir[i]; +			if (c == ' ') break; +			if (c == NDDE) c = (TCHAR)DDE; +			if (_USE_LFN && (nt & NS_BODY) && IsUpper(c)) c += 0x20; +#if _LFN_UNICODE +			if (IsDBCS1(c) && i < 7 && IsDBCS2(dir[i+1])) +				c = (c << 8) | dir[++i]; +			c = ff_convert(c, 1); +			if (!c) c = '?'; +#endif +			*p++ = c; +		} +		if (dir[8] != ' ') {		/* Copy name extension */ +			*p++ = '.'; +			for (i = 8; i < 11; i++) { +				c = dir[i]; +				if (c == ' ') break; +				if (_USE_LFN && (nt & NS_EXT) && IsUpper(c)) c += 0x20; +#if _LFN_UNICODE +				if (IsDBCS1(c) && i < 10 && IsDBCS2(dir[i+1])) +					c = (c << 8) | dir[++i]; +				c = ff_convert(c, 1); +				if (!c) c = '?'; +#endif +				*p++ = c; +			} +		} +		fno->fattrib = dir[DIR_Attr];				/* Attribute */ +		fno->fsize = LD_DWORD(dir+DIR_FileSize);	/* Size */ +		fno->fdate = LD_WORD(dir+DIR_WrtDate);		/* Date */ +		fno->ftime = LD_WORD(dir+DIR_WrtTime);		/* Time */ +	} +	*p = 0;		/* Terminate SFN str by a \0 */ + +#if _USE_LFN +	if (fno->lfname && fno->lfsize) { +		TCHAR *tp = fno->lfname; +		WCHAR w, *lfn; + +		i = 0; +		if (dj->sect && dj->lfn_idx != 0xFFFF) {/* Get LFN if available */ +			lfn = dj->lfn; +			while ((w = *lfn++) != 0) {			/* Get an LFN char */ +#if !_LFN_UNICODE +				w = ff_convert(w, 0);			/* Unicode -> OEM conversion */ +				if (!w) { i = 0; break; }		/* Could not convert, no LFN */ +				if (_DF1S && w >= 0x100)		/* Put 1st byte if it is a DBC (always false on SBCS cfg) */ +					tp[i++] = (TCHAR)(w >> 8); +#endif +				if (i >= fno->lfsize - 1) { i = 0; break; }	/* Buffer overflow, no LFN */ +				tp[i++] = (TCHAR)w; +			} +		} +		tp[i] = 0;	/* Terminate the LFN str by a \0 */ +	} +#endif +} +#endif /* _FS_MINIMIZE <= 1 */ + + + + +/*-----------------------------------------------------------------------*/ +/* Follow a file path                                                    */ +/*-----------------------------------------------------------------------*/ + +static +FRESULT follow_path (	/* FR_OK(0): successful, !=0: error code */ +	DIR *dj,			/* Directory object to return last directory and found object */ +	const TCHAR *path	/* Full-path string to find a file or directory */ +) +{ +	FRESULT res; +	BYTE *dir, ns; + + +#if _FS_RPATH +	if (*path == '/' || *path == '\\') { /* There is a heading separator */ +		path++;	dj->sclust = 0;		/* Strip it and start from the root dir */ +	} else {							/* No heading separator */ +		dj->sclust = dj->fs->cdir;	/* Start from the current dir */ +	} +#else +	if (*path == '/' || *path == '\\')	/* Strip heading separator if exist */ +		path++; +	dj->sclust = 0;						/* Start from the root dir */ +#endif + +	if ((UINT)*path < ' ') {			/* Nul path means the start directory itself */ +		res = dir_sdi(dj, 0); +		dj->dir = 0; +	} else {							/* Follow path */ +		for (;;) { +			res = create_name(dj, &path);	/* Get a segment */ +			if (res != FR_OK) break; +			res = dir_find(dj);				/* Find it */ +			ns = *(dj->fn+NS); +			if (res != FR_OK) {				/* Failed to find the object */ +				if (res != FR_NO_FILE) break;	/* Abort if any hard error occurred */ +				/* Object not found */ +				if (_FS_RPATH && (ns & NS_DOT)) {	/* If dot entry is not exit */ +					dj->sclust = 0; dj->dir = 0;	/* It is the root dir */ +					res = FR_OK; +					if (!(ns & NS_LAST)) continue; +				} else {							/* Could not find the object */ +					if (!(ns & NS_LAST)) res = FR_NO_PATH; +				} +				break; +			} +			if (ns & NS_LAST) break;			/* Last segment match. Function completed. */ +			dir = dj->dir;						/* There is next segment. Follow the sub directory */ +			if (!(dir[DIR_Attr] & AM_DIR)) {	/* Cannot follow because it is a file */ +				res = FR_NO_PATH; break; +			} +			dj->sclust = ld_clust(dj->fs, dir); +		} +	} + +	return res; +} + + + + +/*-----------------------------------------------------------------------*/ +/* Load a sector and check if it is an FAT Volume Boot Record            */ +/*-----------------------------------------------------------------------*/ + +static +BYTE check_fs (	/* 0:FAT-VBR, 1:Any BR but not FAT, 2:Not a BR, 3:Disk error */ +	FATFS *fs,	/* File system object */ +	DWORD sect	/* Sector# (lba) to check if it is an FAT boot record or not */ +) +{ +	if (disk_read(fs->drv, fs->win, sect, 1) != RES_OK)	/* Load boot record */ +		return 3; +	if (LD_WORD(&fs->win[BS_55AA]) != 0xAA55)		/* Check record signature (always placed at offset 510 even if the sector size is >512) */ +		return 2; + +	if ((LD_DWORD(&fs->win[BS_FilSysType]) & 0xFFFFFF) == 0x544146)	/* Check "FAT" string */ +		return 0; +	if ((LD_DWORD(&fs->win[BS_FilSysType32]) & 0xFFFFFF) == 0x544146) +		return 0; + +	return 1; +} + + + + +/*-----------------------------------------------------------------------*/ +/* Check if the file system object is valid or not                       */ +/*-----------------------------------------------------------------------*/ + +static +FRESULT chk_mounted (	/* FR_OK(0): successful, !=0: any error occurred */ +	const TCHAR **path,	/* Pointer to pointer to the path name (drive number) */ +	FATFS **rfs,		/* Pointer to pointer to the found file system object */ +	BYTE wmode			/* !=0: Check write protection for write access */ +) +{ +	BYTE fmt, b, pi, *tbl; +	UINT vol; +	DSTATUS stat; +	DWORD bsect, fasize, tsect, sysect, nclst, szbfat; +	WORD nrsv; +	const TCHAR *p = *path; +	FATFS *fs; + + +	/* Get logical drive number from the path name */ +	vol = p[0] - '0';					/* Is there a drive number? */ +	if (vol <= 9 && p[1] == ':') {		/* Found a drive number, get and strip it */ +		p += 2; *path = p;				/* Return pointer to the path name */ +	} else {							/* No drive number is given */ +#if _FS_RPATH +		vol = CurrVol;					/* Use current drive */ +#else +		vol = 0;						/* Use drive 0 */ +#endif +	} + +	/* Check if the file system object is valid or not */ +	*rfs = 0; +	if (vol >= _VOLUMES) 				/* Is the drive number valid? */ +		return FR_INVALID_DRIVE; +	fs = FatFs[vol];					/* Get corresponding file system object */ +	if (!fs) return FR_NOT_ENABLED;		/* Is the file system object available? */ + +	ENTER_FF(fs);						/* Lock file system */ + +	*rfs = fs;							/* Return pointer to the corresponding file system object */ +	if (fs->fs_type) {					/* If the volume has been mounted */ +		stat = disk_status(fs->drv); +		if (!(stat & STA_NOINIT)) {		/* and the physical drive is kept initialized (has not been changed), */ +			if (!_FS_READONLY && wmode && (stat & STA_PROTECT))	/* Check write protection if needed */ +				return FR_WRITE_PROTECTED; +			return FR_OK;				/* The file system object is valid */ +		} +	} + +	/* The file system object is not valid. */ +	/* Following code attempts to mount the volume. (analyze BPB and initialize the fs object) */ + +	fs->fs_type = 0;					/* Clear the file system object */ +	fs->drv = LD2PD(vol);				/* Bind the logical drive and a physical drive */ +	stat = disk_initialize(fs->drv);	/* Initialize the physical drive */ +	if (stat & STA_NOINIT)				/* Check if the initialization succeeded */ +		return FR_NOT_READY;			/* Failed to initialize due to no medium or hard error */ +	if (!_FS_READONLY && wmode && (stat & STA_PROTECT))	/* Check disk write protection if needed */ +		return FR_WRITE_PROTECTED; +#if _MAX_SS != 512						/* Get disk sector size (variable sector size cfg only) */ +	if (disk_ioctl(fs->drv, GET_SECTOR_SIZE, &fs->ssize) != RES_OK) +		return FR_DISK_ERR; +#endif +	/* Search FAT partition on the drive. Supports only generic partitions, FDISK and SFD. */ +	fmt = check_fs(fs, bsect = 0);		/* Load sector 0 and check if it is an FAT-VBR (in SFD) */ +	if (LD2PT(vol) && !fmt) fmt = 1;	/* Force non-SFD if the volume is forced partition */ +	if (fmt == 1) {						/* Not an FAT-VBR, the physical drive can be partitioned */ +		/* Check the partition listed in the partition table */ +		pi = LD2PT(vol); +		if (pi) pi--; +		tbl = &fs->win[MBR_Table + pi * SZ_PTE];/* Partition table */ +		if (tbl[4]) {						/* Is the partition existing? */ +			bsect = LD_DWORD(&tbl[8]);		/* Partition offset in LBA */ +			fmt = check_fs(fs, bsect);		/* Check the partition */ +		} +	} +	if (fmt == 3) return FR_DISK_ERR; +	if (fmt) return FR_NO_FILESYSTEM;		/* No FAT volume is found */ + +	/* An FAT volume is found. Following code initializes the file system object */ + +	if (LD_WORD(fs->win+BPB_BytsPerSec) != SS(fs))		/* (BPB_BytsPerSec must be equal to the physical sector size) */ +		return FR_NO_FILESYSTEM; + +	fasize = LD_WORD(fs->win+BPB_FATSz16);				/* Number of sectors per FAT */ +	if (!fasize) fasize = LD_DWORD(fs->win+BPB_FATSz32); +	fs->fsize = fasize; + +	fs->n_fats = b = fs->win[BPB_NumFATs];				/* Number of FAT copies */ +	if (b != 1 && b != 2) return FR_NO_FILESYSTEM;		/* (Must be 1 or 2) */ +	fasize *= b;										/* Number of sectors for FAT area */ + +	fs->csize = b = fs->win[BPB_SecPerClus];			/* Number of sectors per cluster */ +	if (!b || (b & (b - 1))) return FR_NO_FILESYSTEM;	/* (Must be power of 2) */ + +	fs->n_rootdir = LD_WORD(fs->win+BPB_RootEntCnt);	/* Number of root directory entries */ +	if (fs->n_rootdir % (SS(fs) / SZ_DIR)) return FR_NO_FILESYSTEM;	/* (BPB_RootEntCnt must be sector aligned) */ + +	tsect = LD_WORD(fs->win+BPB_TotSec16);				/* Number of sectors on the volume */ +	if (!tsect) tsect = LD_DWORD(fs->win+BPB_TotSec32); + +	nrsv = LD_WORD(fs->win+BPB_RsvdSecCnt);				/* Number of reserved sectors */ +	if (!nrsv) return FR_NO_FILESYSTEM;					/* (BPB_RsvdSecCnt must not be 0) */ + +	/* Determine the FAT sub type */ +	sysect = nrsv + fasize + fs->n_rootdir / (SS(fs) / SZ_DIR);	/* RSV+FAT+DIR */ +	if (tsect < sysect) return FR_NO_FILESYSTEM;		/* (Invalid volume size) */ +	nclst = (tsect - sysect) / fs->csize;				/* Number of clusters */ +	if (!nclst) return FR_NO_FILESYSTEM;				/* (Invalid volume size) */ +	fmt = FS_FAT12; +	if (nclst >= MIN_FAT16) fmt = FS_FAT16; +	if (nclst >= MIN_FAT32) fmt = FS_FAT32; + +	/* Boundaries and Limits */ +	fs->n_fatent = nclst + 2;							/* Number of FAT entries */ +	fs->database = bsect + sysect;						/* Data start sector */ +	fs->fatbase = bsect + nrsv; 						/* FAT start sector */ +	if (fmt == FS_FAT32) { +		if (fs->n_rootdir) return FR_NO_FILESYSTEM;		/* (BPB_RootEntCnt must be 0) */ +		fs->dirbase = LD_DWORD(fs->win+BPB_RootClus);	/* Root directory start cluster */ +		szbfat = fs->n_fatent * 4;						/* (Required FAT size) */ +	} else { +		if (!fs->n_rootdir)	return FR_NO_FILESYSTEM;	/* (BPB_RootEntCnt must not be 0) */ +		fs->dirbase = fs->fatbase + fasize;				/* Root directory start sector */ +		szbfat = (fmt == FS_FAT16) ?					/* (Required FAT size) */ +			fs->n_fatent * 2 : fs->n_fatent * 3 / 2 + (fs->n_fatent & 1); +	} +	if (fs->fsize < (szbfat + (SS(fs) - 1)) / SS(fs))	/* (BPB_FATSz must not be less than required) */ +		return FR_NO_FILESYSTEM; + +#if !_FS_READONLY +	/* Initialize cluster allocation information */ +	fs->free_clust = 0xFFFFFFFF; +	fs->last_clust = 0; + +	/* Get fsinfo if available */ +	if (fmt == FS_FAT32) { +	 	fs->fsi_flag = 0; +		fs->fsi_sector = bsect + LD_WORD(fs->win+BPB_FSInfo); +		if (disk_read(fs->drv, fs->win, fs->fsi_sector, 1) == RES_OK && +			LD_WORD(fs->win+BS_55AA) == 0xAA55 && +			LD_DWORD(fs->win+FSI_LeadSig) == 0x41615252 && +			LD_DWORD(fs->win+FSI_StrucSig) == 0x61417272) { +				fs->last_clust = LD_DWORD(fs->win+FSI_Nxt_Free); +				fs->free_clust = LD_DWORD(fs->win+FSI_Free_Count); +		} +	} +#endif +	fs->fs_type = fmt;		/* FAT sub-type */ +	fs->id = ++Fsid;		/* File system mount ID */ +	fs->winsect = 0;		/* Invalidate sector cache */ +	fs->wflag = 0; +#if _FS_RPATH +	fs->cdir = 0;			/* Current directory (root dir) */ +#endif +#if _FS_LOCK				/* Clear file lock semaphores */ +	clear_lock(fs); +#endif + +	return FR_OK; +} + + + + +/*-----------------------------------------------------------------------*/ +/* Check if the file/dir object is valid or not                          */ +/*-----------------------------------------------------------------------*/ + +static +FRESULT validate (	/* FR_OK(0): The object is valid, !=0: Invalid */ +	void* obj		/* Pointer to the object FIL/DIR to check validity */ +) +{ +	FIL *fil; + + +	fil = (FIL*)obj;	/* Assuming offset of fs and id in the FIL/DIR is identical */ +	if (!fil->fs || !fil->fs->fs_type || fil->fs->id != fil->id) +		return FR_INVALID_OBJECT; + +	ENTER_FF(fil->fs);		/* Lock file system */ + +	if (disk_status(fil->fs->drv) & STA_NOINIT) +		return FR_NOT_READY; + +	return FR_OK; +} + + + + +/*-------------------------------------------------------------------------- + +   Public Functions + +--------------------------------------------------------------------------*/ + + + +/*-----------------------------------------------------------------------*/ +/* Mount/Unmount a Logical Drive                                         */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_mount ( +	BYTE vol,		/* Logical drive number to be mounted/unmounted */ +	FATFS *fs		/* Pointer to new file system object (NULL for unmount)*/ +) +{ +	FATFS *rfs; + + +	if (vol >= _VOLUMES)		/* Check if the drive number is valid */ +		return FR_INVALID_DRIVE; +	rfs = FatFs[vol];			/* Get current fs object */ + +	if (rfs) { +#if _FS_LOCK +		clear_lock(rfs); +#endif +#if _FS_REENTRANT				/* Discard sync object of the current volume */ +		if (!ff_del_syncobj(rfs->sobj)) return FR_INT_ERR; +#endif +		rfs->fs_type = 0;		/* Clear old fs object */ +	} + +	if (fs) { +		fs->fs_type = 0;		/* Clear new fs object */ +#if _FS_REENTRANT				/* Create sync object for the new volume */ +		if (!ff_cre_syncobj(vol, &fs->sobj)) return FR_INT_ERR; +#endif +	} +	FatFs[vol] = fs;			/* Register new fs object */ + +	return FR_OK; +} + + + + +/*-----------------------------------------------------------------------*/ +/* Open or Create a File                                                 */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_open ( +	FIL *fp,			/* Pointer to the blank file object */ +	const TCHAR *path,	/* Pointer to the file name */ +	BYTE mode			/* Access mode and file open mode flags */ +) +{ +	FRESULT res; +	DIR dj; +	BYTE *dir; +	DEF_NAMEBUF; + + +	if (!fp) return FR_INVALID_OBJECT; +	fp->fs = 0;			/* Clear file object */ + +#if !_FS_READONLY +	mode &= FA_READ | FA_WRITE | FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW; +	res = chk_mounted(&path, &dj.fs, (BYTE)(mode & ~FA_READ)); +#else +	mode &= FA_READ; +	res = chk_mounted(&path, &dj.fs, 0); +#endif +	if (res == FR_OK) { +		INIT_BUF(dj); +		res = follow_path(&dj, path);	/* Follow the file path */ +		dir = dj.dir; +#if !_FS_READONLY	/* R/W configuration */ +		if (res == FR_OK) { +			if (!dir)	/* Current dir itself */ +				res = FR_INVALID_NAME; +#if _FS_LOCK +			else +				res = chk_lock(&dj, (mode & ~FA_READ) ? 1 : 0); +#endif +		} +		/* Create or Open a file */ +		if (mode & (FA_CREATE_ALWAYS | FA_OPEN_ALWAYS | FA_CREATE_NEW)) { +			DWORD dw, cl; + +			if (res != FR_OK) {					/* No file, create new */ +				if (res == FR_NO_FILE)			/* There is no file to open, create a new entry */ +#if _FS_LOCK +					res = enq_lock() ? dir_register(&dj) : FR_TOO_MANY_OPEN_FILES; +#else +					res = dir_register(&dj); +#endif +				mode |= FA_CREATE_ALWAYS;		/* File is created */ +				dir = dj.dir;					/* New entry */ +			} +			else {								/* Any object is already existing */ +				if (dir[DIR_Attr] & (AM_RDO | AM_DIR)) {	/* Cannot overwrite it (R/O or DIR) */ +					res = FR_DENIED; +				} else { +					if (mode & FA_CREATE_NEW)	/* Cannot create as new file */ +						res = FR_EXIST; +				} +			} +			if (res == FR_OK && (mode & FA_CREATE_ALWAYS)) {	/* Truncate it if overwrite mode */ +				dw = get_fattime();					/* Created time */ +				ST_DWORD(dir+DIR_CrtTime, dw); +				dir[DIR_Attr] = 0;					/* Reset attribute */ +				ST_DWORD(dir+DIR_FileSize, 0);		/* size = 0 */ +				cl = ld_clust(dj.fs, dir);			/* Get start cluster */ +				st_clust(dir, 0);					/* cluster = 0 */ +				dj.fs->wflag = 1; +				if (cl) {							/* Remove the cluster chain if exist */ +					dw = dj.fs->winsect; +					res = remove_chain(dj.fs, cl); +					if (res == FR_OK) { +						dj.fs->last_clust = cl - 1;	/* Reuse the cluster hole */ +						res = move_window(dj.fs, dw); +					} +				} +			} +		} +		else {	/* Open an existing file */ +			if (res == FR_OK) {						/* Follow succeeded */ +				if (dir[DIR_Attr] & AM_DIR) {		/* It is a directory */ +					res = FR_NO_FILE; +				} else { +					if ((mode & FA_WRITE) && (dir[DIR_Attr] & AM_RDO)) /* R/O violation */ +						res = FR_DENIED; +				} +			} +		} +		if (res == FR_OK) { +			if (mode & FA_CREATE_ALWAYS)			/* Set file change flag if created or overwritten */ +				mode |= FA__WRITTEN; +			fp->dir_sect = dj.fs->winsect;			/* Pointer to the directory entry */ +			fp->dir_ptr = dir; +#if _FS_LOCK +			fp->lockid = inc_lock(&dj, (mode & ~FA_READ) ? 1 : 0); +			if (!fp->lockid) res = FR_INT_ERR; +#endif +		} + +#else				/* R/O configuration */ +		if (res == FR_OK) {					/* Follow succeeded */ +			dir = dj.dir; +			if (!dir) {						/* Current dir itself */ +				res = FR_INVALID_NAME; +			} else { +				if (dir[DIR_Attr] & AM_DIR)	/* It is a directory */ +					res = FR_NO_FILE; +			} +		} +#endif +		FREE_BUF(); + +		if (res == FR_OK) { +			fp->flag = mode;					/* File access mode */ +			fp->sclust = ld_clust(dj.fs, dir);	/* File start cluster */ +			fp->fsize = LD_DWORD(dir+DIR_FileSize);	/* File size */ +			fp->fptr = 0;						/* File pointer */ +			fp->dsect = 0; +#if _USE_FASTSEEK +			fp->cltbl = 0;						/* Normal seek mode */ +#endif +			fp->fs = dj.fs; fp->id = dj.fs->id;	/* Validate file object */ +		} +	} + +	LEAVE_FF(dj.fs, res); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Read File                                                             */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_read ( +	FIL *fp, 		/* Pointer to the file object */ +	void *buff,		/* Pointer to data buffer */ +	UINT btr,		/* Number of bytes to read */ +	UINT *br		/* Pointer to number of bytes read */ +) +{ +	FRESULT res; +	DWORD clst, sect, remain; +	UINT rcnt, cc; +	BYTE csect, *rbuff = buff; + + +	*br = 0;	/* Clear read byte counter */ + +	res = validate(fp);							/* Check validity */ +	if (res != FR_OK) LEAVE_FF(fp->fs, res); +	if (fp->flag & FA__ERROR)					/* Aborted file? */ +		LEAVE_FF(fp->fs, FR_INT_ERR); +	if (!(fp->flag & FA_READ)) 					/* Check access mode */ +		LEAVE_FF(fp->fs, FR_DENIED); +	remain = fp->fsize - fp->fptr; +	if (btr > remain) btr = (UINT)remain;		/* Truncate btr by remaining bytes */ + +	for ( ;  btr;								/* Repeat until all data read */ +		rbuff += rcnt, fp->fptr += rcnt, *br += rcnt, btr -= rcnt) { +		if ((fp->fptr % SS(fp->fs)) == 0) {		/* On the sector boundary? */ +			csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1));	/* Sector offset in the cluster */ +			if (!csect) {						/* On the cluster boundary? */ +				if (fp->fptr == 0) {			/* On the top of the file? */ +					clst = fp->sclust;			/* Follow from the origin */ +				} else {						/* Middle or end of the file */ +#if _USE_FASTSEEK +					if (fp->cltbl) +						clst = clmt_clust(fp, fp->fptr);	/* Get cluster# from the CLMT */ +					else +#endif +						clst = get_fat(fp->fs, fp->clust);	/* Follow cluster chain on the FAT */ +				} +				if (clst < 2) ABORT(fp->fs, FR_INT_ERR); +				if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR); +				fp->clust = clst;				/* Update current cluster */ +			} +			sect = clust2sect(fp->fs, fp->clust);	/* Get current sector */ +			if (!sect) ABORT(fp->fs, FR_INT_ERR); +			sect += csect; +			cc = btr / SS(fp->fs);				/* When remaining bytes >= sector size, */ +			if (cc) {							/* Read maximum contiguous sectors directly */ +				if (csect + cc > fp->fs->csize)	/* Clip at cluster boundary */ +					cc = fp->fs->csize - csect; +				if (disk_read(fp->fs->drv, rbuff, sect, (BYTE)cc) != RES_OK) +					ABORT(fp->fs, FR_DISK_ERR); +#if !_FS_READONLY && _FS_MINIMIZE <= 2			/* Replace one of the read sectors with cached data if it contains a dirty sector */ +#if _FS_TINY +				if (fp->fs->wflag && fp->fs->winsect - sect < cc) +					mem_cpy(rbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), fp->fs->win, SS(fp->fs)); +#else +				if ((fp->flag & FA__DIRTY) && fp->dsect - sect < cc) +					mem_cpy(rbuff + ((fp->dsect - sect) * SS(fp->fs)), fp->buf, SS(fp->fs)); +#endif +#endif +				rcnt = SS(fp->fs) * cc;			/* Number of bytes transferred */ +				continue; +			} +#if !_FS_TINY +			if (fp->dsect != sect) {			/* Load data sector if not in cache */ +#if !_FS_READONLY +				if (fp->flag & FA__DIRTY) {		/* Write-back dirty sector cache */ +					if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK) +						ABORT(fp->fs, FR_DISK_ERR); +					fp->flag &= ~FA__DIRTY; +				} +#endif +				if (disk_read(fp->fs->drv, fp->buf, sect, 1) != RES_OK)	/* Fill sector cache */ +					ABORT(fp->fs, FR_DISK_ERR); +			} +#endif +			fp->dsect = sect; +		} +		rcnt = SS(fp->fs) - ((UINT)fp->fptr % SS(fp->fs));	/* Get partial sector data from sector buffer */ +		if (rcnt > btr) rcnt = btr; +#if _FS_TINY +		if (move_window(fp->fs, fp->dsect))		/* Move sector window */ +			ABORT(fp->fs, FR_DISK_ERR); +		mem_cpy(rbuff, &fp->fs->win[fp->fptr % SS(fp->fs)], rcnt);	/* Pick partial sector */ +#else +		mem_cpy(rbuff, &fp->buf[fp->fptr % SS(fp->fs)], rcnt);	/* Pick partial sector */ +#endif +	} + +	LEAVE_FF(fp->fs, FR_OK); +} + + + + +#if !_FS_READONLY +/*-----------------------------------------------------------------------*/ +/* Write File                                                            */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_write ( +	FIL *fp,			/* Pointer to the file object */ +	const void *buff,	/* Pointer to the data to be written */ +	UINT btw,			/* Number of bytes to write */ +	UINT *bw			/* Pointer to number of bytes written */ +) +{ +	FRESULT res; +	DWORD clst, sect; +	UINT wcnt, cc; +	const BYTE *wbuff = buff; +	BYTE csect; + + +	*bw = 0;	/* Clear write byte counter */ + +	res = validate(fp);						/* Check validity */ +	if (res != FR_OK) LEAVE_FF(fp->fs, res); +	if (fp->flag & FA__ERROR)				/* Aborted file? */ +		LEAVE_FF(fp->fs, FR_INT_ERR); +	if (!(fp->flag & FA_WRITE))				/* Check access mode */ +		LEAVE_FF(fp->fs, FR_DENIED); +	if ((DWORD)(fp->fsize + btw) < fp->fsize) btw = 0;	/* File size cannot reach 4GB */ + +	for ( ;  btw;							/* Repeat until all data written */ +		wbuff += wcnt, fp->fptr += wcnt, *bw += wcnt, btw -= wcnt) { +		if ((fp->fptr % SS(fp->fs)) == 0) {	/* On the sector boundary? */ +			csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1));	/* Sector offset in the cluster */ +			if (!csect) {					/* On the cluster boundary? */ +				if (fp->fptr == 0) {		/* On the top of the file? */ +					clst = fp->sclust;		/* Follow from the origin */ +					if (clst == 0)			/* When no cluster is allocated, */ +						fp->sclust = clst = create_chain(fp->fs, 0);	/* Create a new cluster chain */ +				} else {					/* Middle or end of the file */ +#if _USE_FASTSEEK +					if (fp->cltbl) +						clst = clmt_clust(fp, fp->fptr);	/* Get cluster# from the CLMT */ +					else +#endif +						clst = create_chain(fp->fs, fp->clust);	/* Follow or stretch cluster chain on the FAT */ +				} +				if (clst == 0) break;		/* Could not allocate a new cluster (disk full) */ +				if (clst == 1) ABORT(fp->fs, FR_INT_ERR); +				if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR); +				fp->clust = clst;			/* Update current cluster */ +			} +#if _FS_TINY +			if (fp->fs->winsect == fp->dsect && move_window(fp->fs, 0))	/* Write-back sector cache */ +				ABORT(fp->fs, FR_DISK_ERR); +#else +			if (fp->flag & FA__DIRTY) {		/* Write-back sector cache */ +				if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK) +					ABORT(fp->fs, FR_DISK_ERR); +				fp->flag &= ~FA__DIRTY; +			} +#endif +			sect = clust2sect(fp->fs, fp->clust);	/* Get current sector */ +			if (!sect) ABORT(fp->fs, FR_INT_ERR); +			sect += csect; +			cc = btw / SS(fp->fs);			/* When remaining bytes >= sector size, */ +			if (cc) {						/* Write maximum contiguous sectors directly */ +				if (csect + cc > fp->fs->csize)	/* Clip at cluster boundary */ +					cc = fp->fs->csize - csect; +				if (disk_write(fp->fs->drv, wbuff, sect, (BYTE)cc) != RES_OK) +					ABORT(fp->fs, FR_DISK_ERR); +#if _FS_TINY +				if (fp->fs->winsect - sect < cc) {	/* Refill sector cache if it gets invalidated by the direct write */ +					mem_cpy(fp->fs->win, wbuff + ((fp->fs->winsect - sect) * SS(fp->fs)), SS(fp->fs)); +					fp->fs->wflag = 0; +				} +#else +				if (fp->dsect - sect < cc) { /* Refill sector cache if it gets invalidated by the direct write */ +					mem_cpy(fp->buf, wbuff + ((fp->dsect - sect) * SS(fp->fs)), SS(fp->fs)); +					fp->flag &= ~FA__DIRTY; +				} +#endif +				wcnt = SS(fp->fs) * cc;		/* Number of bytes transferred */ +				continue; +			} +#if _FS_TINY +			if (fp->fptr >= fp->fsize) {	/* Avoid silly cache filling at growing edge */ +				if (move_window(fp->fs, 0)) ABORT(fp->fs, FR_DISK_ERR); +				fp->fs->winsect = sect; +			} +#else +			if (fp->dsect != sect) {		/* Fill sector cache with file data */ +				if (fp->fptr < fp->fsize && +					disk_read(fp->fs->drv, fp->buf, sect, 1) != RES_OK) +						ABORT(fp->fs, FR_DISK_ERR); +			} +#endif +			fp->dsect = sect; +		} +		wcnt = SS(fp->fs) - ((UINT)fp->fptr % SS(fp->fs));/* Put partial sector into file I/O buffer */ +		if (wcnt > btw) wcnt = btw; +#if _FS_TINY +		if (move_window(fp->fs, fp->dsect))	/* Move sector window */ +			ABORT(fp->fs, FR_DISK_ERR); +		mem_cpy(&fp->fs->win[fp->fptr % SS(fp->fs)], wbuff, wcnt);	/* Fit partial sector */ +		fp->fs->wflag = 1; +#else +		mem_cpy(&fp->buf[fp->fptr % SS(fp->fs)], wbuff, wcnt);	/* Fit partial sector */ +		fp->flag |= FA__DIRTY; +#endif +	} + +	if (fp->fptr > fp->fsize) fp->fsize = fp->fptr;	/* Update file size if needed */ +	fp->flag |= FA__WRITTEN;						/* Set file change flag */ + +	LEAVE_FF(fp->fs, FR_OK); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Synchronize the File Object                                           */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_sync ( +	FIL *fp		/* Pointer to the file object */ +) +{ +	FRESULT res; +	DWORD tim; +	BYTE *dir; + + +	res = validate(fp);					/* Check validity of the object */ +	if (res == FR_OK) { +		if (fp->flag & FA__WRITTEN) {	/* Has the file been written? */ +#if !_FS_TINY	/* Write-back dirty buffer */ +			if (fp->flag & FA__DIRTY) { +				if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK) +					LEAVE_FF(fp->fs, FR_DISK_ERR); +				fp->flag &= ~FA__DIRTY; +			} +#endif +			/* Update the directory entry */ +			res = move_window(fp->fs, fp->dir_sect); +			if (res == FR_OK) { +				dir = fp->dir_ptr; +				dir[DIR_Attr] |= AM_ARC;					/* Set archive bit */ +				ST_DWORD(dir+DIR_FileSize, fp->fsize);		/* Update file size */ +				st_clust(dir, fp->sclust);					/* Update start cluster */ +				tim = get_fattime();						/* Update updated time */ +				ST_DWORD(dir+DIR_WrtTime, tim); +				ST_WORD(dir+DIR_LstAccDate, 0); +				fp->flag &= ~FA__WRITTEN; +				fp->fs->wflag = 1; +				res = sync(fp->fs); +			} +		} +	} + +	LEAVE_FF(fp->fs, res); +} + +#endif /* !_FS_READONLY */ + + + + +/*-----------------------------------------------------------------------*/ +/* Close File                                                            */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_close ( +	FIL *fp		/* Pointer to the file object to be closed */ +) +{ +	FRESULT res; + + +#if _FS_READONLY +	res = validate(fp); +	{ +#if _FS_REENTRANT +		FATFS *fs = fp->fs; +#endif +		if (res == FR_OK) fp->fs = 0;	/* Discard file object */ +		LEAVE_FF(fs, res); +	} +#else +	res = f_sync(fp);		/* Flush cached data */ +#if _FS_LOCK +	if (res == FR_OK) {		/* Decrement open counter */ +#if _FS_REENTRANT +		FATFS *fs = fp->fs;; +		res = validate(fp); +		if (res == FR_OK) { +			res = dec_lock(fp->lockid);	 +			unlock_fs(fs, FR_OK); +		} +#else +		res = dec_lock(fp->lockid); +#endif +	} +#endif +	if (res == FR_OK) fp->fs = 0;	/* Discard file object */ +	return res; +#endif +} + + + + +/*-----------------------------------------------------------------------*/ +/* Current Drive/Directory Handlings                                     */ +/*-----------------------------------------------------------------------*/ + +#if _FS_RPATH >= 1 + +FRESULT f_chdrive ( +	BYTE drv		/* Drive number */ +) +{ +	if (drv >= _VOLUMES) return FR_INVALID_DRIVE; + +	CurrVol = drv; + +	return FR_OK; +} + + + +FRESULT f_chdir ( +	const TCHAR *path	/* Pointer to the directory path */ +) +{ +	FRESULT res; +	DIR dj; +	DEF_NAMEBUF; + + +	res = chk_mounted(&path, &dj.fs, 0); +	if (res == FR_OK) { +		INIT_BUF(dj); +		res = follow_path(&dj, path);		/* Follow the path */ +		FREE_BUF(); +		if (res == FR_OK) {					/* Follow completed */ +			if (!dj.dir) { +				dj.fs->cdir = dj.sclust;	/* Start directory itself */ +			} else { +				if (dj.dir[DIR_Attr] & AM_DIR)	/* Reached to the directory */ +					dj.fs->cdir = ld_clust(dj.fs, dj.dir); +				else +					res = FR_NO_PATH;		/* Reached but a file */ +			} +		} +		if (res == FR_NO_FILE) res = FR_NO_PATH; +	} + +	LEAVE_FF(dj.fs, res); +} + + +#if _FS_RPATH >= 2 +FRESULT f_getcwd ( +	TCHAR *path,	/* Pointer to the directory path */ +	UINT sz_path	/* Size of path */ +) +{ +	FRESULT res; +	DIR dj; +	UINT i, n; +	DWORD ccl; +	TCHAR *tp; +	FILINFO fno; +	DEF_NAMEBUF; + + +	*path = 0; +	res = chk_mounted((const TCHAR**)&path, &dj.fs, 0);	/* Get current volume */ +	if (res == FR_OK) { +		INIT_BUF(dj); +		i = sz_path;		/* Bottom of buffer (dir stack base) */ +		dj.sclust = dj.fs->cdir;			/* Start to follow upper dir from current dir */ +		while ((ccl = dj.sclust) != 0) {	/* Repeat while current dir is a sub-dir */ +			res = dir_sdi(&dj, 1);			/* Get parent dir */ +			if (res != FR_OK) break; +			res = dir_read(&dj); +			if (res != FR_OK) break; +			dj.sclust = ld_clust(dj.fs, dj.dir);	/* Goto parent dir */ +			res = dir_sdi(&dj, 0); +			if (res != FR_OK) break; +			do {							/* Find the entry links to the child dir */ +				res = dir_read(&dj); +				if (res != FR_OK) break; +				if (ccl == ld_clust(dj.fs, dj.dir)) break;	/* Found the entry */ +				res = dir_next(&dj, 0);	 +			} while (res == FR_OK); +			if (res == FR_NO_FILE) res = FR_INT_ERR;/* It cannot be 'not found'. */ +			if (res != FR_OK) break; +#if _USE_LFN +			fno.lfname = path; +			fno.lfsize = i; +#endif +			get_fileinfo(&dj, &fno);		/* Get the dir name and push it to the buffer */ +			tp = fno.fname; +			if (_USE_LFN && *path) tp = path; +			for (n = 0; tp[n]; n++) ; +			if (i < n + 3) { +				res = FR_NOT_ENOUGH_CORE; break; +			} +			while (n) path[--i] = tp[--n]; +			path[--i] = '/'; +		} +		tp = path; +		if (res == FR_OK) { +			*tp++ = '0' + CurrVol;			/* Put drive number */ +			*tp++ = ':'; +			if (i == sz_path) {				/* Root-dir */ +				*tp++ = '/'; +			} else {						/* Sub-dir */ +				do		/* Add stacked path str */ +					*tp++ = path[i++]; +				while (i < sz_path); +			} +		} +		*tp = 0; +		FREE_BUF(); +	} + +	LEAVE_FF(dj.fs, res); +} +#endif /* _FS_RPATH >= 2 */ +#endif /* _FS_RPATH >= 1 */ + + + +#if _FS_MINIMIZE <= 2 +/*-----------------------------------------------------------------------*/ +/* Seek File R/W Pointer                                                 */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_lseek ( +	FIL *fp,		/* Pointer to the file object */ +	DWORD ofs		/* File pointer from top of file */ +) +{ +	FRESULT res; + + +	res = validate(fp);					/* Check validity of the object */ +	if (res != FR_OK) LEAVE_FF(fp->fs, res); +	if (fp->flag & FA__ERROR)			/* Check abort flag */ +		LEAVE_FF(fp->fs, FR_INT_ERR); + +#if _USE_FASTSEEK +	if (fp->cltbl) {	/* Fast seek */ +		DWORD cl, pcl, ncl, tcl, dsc, tlen, ulen, *tbl; + +		if (ofs == CREATE_LINKMAP) {	/* Create CLMT */ +			tbl = fp->cltbl; +			tlen = *tbl++; ulen = 2;	/* Given table size and required table size */ +			cl = fp->sclust;			/* Top of the chain */ +			if (cl) { +				do { +					/* Get a fragment */ +					tcl = cl; ncl = 0; ulen += 2;	/* Top, length and used items */ +					do { +						pcl = cl; ncl++; +						cl = get_fat(fp->fs, cl); +						if (cl <= 1) ABORT(fp->fs, FR_INT_ERR); +						if (cl == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR); +					} while (cl == pcl + 1); +					if (ulen <= tlen) {		/* Store the length and top of the fragment */ +						*tbl++ = ncl; *tbl++ = tcl; +					} +				} while (cl < fp->fs->n_fatent);	/* Repeat until end of chain */ +			} +			*fp->cltbl = ulen;	/* Number of items used */ +			if (ulen <= tlen) +				*tbl = 0;		/* Terminate table */ +			else +				res = FR_NOT_ENOUGH_CORE;	/* Given table size is smaller than required */ + +		} else {						/* Fast seek */ +			if (ofs > fp->fsize)		/* Clip offset at the file size */ +				ofs = fp->fsize; +			fp->fptr = ofs;				/* Set file pointer */ +			if (ofs) { +				fp->clust = clmt_clust(fp, ofs - 1); +				dsc = clust2sect(fp->fs, fp->clust); +				if (!dsc) ABORT(fp->fs, FR_INT_ERR); +				dsc += (ofs - 1) / SS(fp->fs) & (fp->fs->csize - 1); +				if (fp->fptr % SS(fp->fs) && dsc != fp->dsect) {	/* Refill sector cache if needed */ +#if !_FS_TINY +#if !_FS_READONLY +					if (fp->flag & FA__DIRTY) {		/* Write-back dirty sector cache */ +						if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK) +							ABORT(fp->fs, FR_DISK_ERR); +						fp->flag &= ~FA__DIRTY; +					} +#endif +					if (disk_read(fp->fs->drv, fp->buf, dsc, 1) != RES_OK)	/* Load current sector */ +						ABORT(fp->fs, FR_DISK_ERR); +#endif +					fp->dsect = dsc; +				} +			} +		} +	} else +#endif + +	/* Normal Seek */ +	{ +		DWORD clst, bcs, nsect, ifptr; + +		if (ofs > fp->fsize					/* In read-only mode, clip offset with the file size */ +#if !_FS_READONLY +			 && !(fp->flag & FA_WRITE) +#endif +			) ofs = fp->fsize; + +		ifptr = fp->fptr; +		fp->fptr = nsect = 0; +		if (ofs) { +			bcs = (DWORD)fp->fs->csize * SS(fp->fs);	/* Cluster size (byte) */ +			if (ifptr > 0 && +				(ofs - 1) / bcs >= (ifptr - 1) / bcs) {	/* When seek to same or following cluster, */ +				fp->fptr = (ifptr - 1) & ~(bcs - 1);	/* start from the current cluster */ +				ofs -= fp->fptr; +				clst = fp->clust; +			} else {									/* When seek to back cluster, */ +				clst = fp->sclust;						/* start from the first cluster */ +#if !_FS_READONLY +				if (clst == 0) {						/* If no cluster chain, create a new chain */ +					clst = create_chain(fp->fs, 0); +					if (clst == 1) ABORT(fp->fs, FR_INT_ERR); +					if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR); +					fp->sclust = clst; +				} +#endif +				fp->clust = clst; +			} +			if (clst != 0) { +				while (ofs > bcs) {						/* Cluster following loop */ +#if !_FS_READONLY +					if (fp->flag & FA_WRITE) {			/* Check if in write mode or not */ +						clst = create_chain(fp->fs, clst);	/* Force stretch if in write mode */ +						if (clst == 0) {				/* When disk gets full, clip file size */ +							ofs = bcs; break; +						} +					} else +#endif +						clst = get_fat(fp->fs, clst);	/* Follow cluster chain if not in write mode */ +					if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR); +					if (clst <= 1 || clst >= fp->fs->n_fatent) ABORT(fp->fs, FR_INT_ERR); +					fp->clust = clst; +					fp->fptr += bcs; +					ofs -= bcs; +				} +				fp->fptr += ofs; +				if (ofs % SS(fp->fs)) { +					nsect = clust2sect(fp->fs, clst);	/* Current sector */ +					if (!nsect) ABORT(fp->fs, FR_INT_ERR); +					nsect += ofs / SS(fp->fs); +				} +			} +		} +		if (fp->fptr % SS(fp->fs) && nsect != fp->dsect) {	/* Fill sector cache if needed */ +#if !_FS_TINY +#if !_FS_READONLY +			if (fp->flag & FA__DIRTY) {			/* Write-back dirty sector cache */ +				if (disk_write(fp->fs->drv, fp->buf, fp->dsect, 1) != RES_OK) +					ABORT(fp->fs, FR_DISK_ERR); +				fp->flag &= ~FA__DIRTY; +			} +#endif +			if (disk_read(fp->fs->drv, fp->buf, nsect, 1) != RES_OK)	/* Fill sector cache */ +				ABORT(fp->fs, FR_DISK_ERR); +#endif +			fp->dsect = nsect; +		} +#if !_FS_READONLY +		if (fp->fptr > fp->fsize) {			/* Set file change flag if the file size is extended */ +			fp->fsize = fp->fptr; +			fp->flag |= FA__WRITTEN; +		} +#endif +	} + +	LEAVE_FF(fp->fs, res); +} + + + +#if _FS_MINIMIZE <= 1 +/*-----------------------------------------------------------------------*/ +/* Create a Directory Object                                             */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_opendir ( +	DIR *dj,			/* Pointer to directory object to create */ +	const TCHAR *path	/* Pointer to the directory path */ +) +{ +	FRESULT res; +	FATFS *fs; +	DEF_NAMEBUF; + + +	if (!dj) return FR_INVALID_OBJECT; + +	res = chk_mounted(&path, &dj->fs, 0); +	fs = dj->fs; +	if (res == FR_OK) { +		INIT_BUF(*dj); +		res = follow_path(dj, path);			/* Follow the path to the directory */ +		FREE_BUF(); +		if (res == FR_OK) {						/* Follow completed */ +			if (dj->dir) {						/* It is not the root dir */ +				if (dj->dir[DIR_Attr] & AM_DIR) {	/* The object is a directory */ +					dj->sclust = ld_clust(fs, dj->dir); +				} else {						/* The object is not a directory */ +					res = FR_NO_PATH; +				} +			} +			if (res == FR_OK) { +				dj->id = fs->id; +				res = dir_sdi(dj, 0);			/* Rewind dir */ +			} +		} +		if (res == FR_NO_FILE) res = FR_NO_PATH; +		if (res != FR_OK) dj->fs = 0;			/* Invalidate the dir object if function failed */ +	} else { +		dj->fs = 0; +	} + +	LEAVE_FF(fs, res); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Read Directory Entry in Sequence                                      */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_readdir ( +	DIR *dj,			/* Pointer to the open directory object */ +	FILINFO *fno		/* Pointer to file information to return */ +) +{ +	FRESULT res; +	DEF_NAMEBUF; + + +	res = validate(dj);						/* Check validity of the object */ +	if (res == FR_OK) { +		if (!fno) { +			res = dir_sdi(dj, 0);			/* Rewind the directory object */ +		} else { +			INIT_BUF(*dj); +			res = dir_read(dj);				/* Read an directory item */ +			if (res == FR_NO_FILE) {		/* Reached end of dir */ +				dj->sect = 0; +				res = FR_OK; +			} +			if (res == FR_OK) {				/* A valid entry is found */ +				get_fileinfo(dj, fno);		/* Get the object information */ +				res = dir_next(dj, 0);		/* Increment index for next */ +				if (res == FR_NO_FILE) { +					dj->sect = 0; +					res = FR_OK; +				} +			} +			FREE_BUF(); +		} +	} + +	LEAVE_FF(dj->fs, res); +} + + + +#if _FS_MINIMIZE == 0 +/*-----------------------------------------------------------------------*/ +/* Get File Status                                                       */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_stat ( +	const TCHAR *path,	/* Pointer to the file path */ +	FILINFO *fno		/* Pointer to file information to return */ +) +{ +	FRESULT res; +	DIR dj; +	DEF_NAMEBUF; + + +	res = chk_mounted(&path, &dj.fs, 0); +	if (res == FR_OK) { +		INIT_BUF(dj); +		res = follow_path(&dj, path);	/* Follow the file path */ +		if (res == FR_OK) {				/* Follow completed */ +			if (dj.dir)		/* Found an object */ +				get_fileinfo(&dj, fno); +			else			/* It is root dir */ +				res = FR_INVALID_NAME; +		} +		FREE_BUF(); +	} + +	LEAVE_FF(dj.fs, res); +} + + + +#if !_FS_READONLY +/*-----------------------------------------------------------------------*/ +/* Get Number of Free Clusters                                           */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_getfree ( +	const TCHAR *path,	/* Pointer to the logical drive number (root dir) */ +	DWORD *nclst,		/* Pointer to the variable to return number of free clusters */ +	FATFS **fatfs		/* Pointer to pointer to corresponding file system object to return */ +) +{ +	FRESULT res; +	FATFS *fs; +	DWORD n, clst, sect, stat; +	UINT i; +	BYTE fat, *p; + + +	/* Get drive number */ +	res = chk_mounted(&path, fatfs, 0); +	fs = *fatfs; +	if (res == FR_OK) { +		/* If free_clust is valid, return it without full cluster scan */ +		if (fs->free_clust <= fs->n_fatent - 2) { +			*nclst = fs->free_clust; +		} else { +			/* Get number of free clusters */ +			fat = fs->fs_type; +			n = 0; +			if (fat == FS_FAT12) { +				clst = 2; +				do { +					stat = get_fat(fs, clst); +					if (stat == 0xFFFFFFFF) { res = FR_DISK_ERR; break; } +					if (stat == 1) { res = FR_INT_ERR; break; } +					if (stat == 0) n++; +				} while (++clst < fs->n_fatent); +			} else { +				clst = fs->n_fatent; +				sect = fs->fatbase; +				i = 0; p = 0; +				do { +					if (!i) { +						res = move_window(fs, sect++); +						if (res != FR_OK) break; +						p = fs->win; +						i = SS(fs); +					} +					if (fat == FS_FAT16) { +						if (LD_WORD(p) == 0) n++; +						p += 2; i -= 2; +					} else { +						if ((LD_DWORD(p) & 0x0FFFFFFF) == 0) n++; +						p += 4; i -= 4; +					} +				} while (--clst); +			} +			fs->free_clust = n; +			if (fat == FS_FAT32) fs->fsi_flag = 1; +			*nclst = n; +		} +	} +	LEAVE_FF(fs, res); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Truncate File                                                         */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_truncate ( +	FIL *fp		/* Pointer to the file object */ +) +{ +	FRESULT res; +	DWORD ncl; + + +	if (!fp) return FR_INVALID_OBJECT; + +	res = validate(fp);						/* Check validity of the object */ +	if (res == FR_OK) { +		if (fp->flag & FA__ERROR) {			/* Check abort flag */ +			res = FR_INT_ERR; +		} else { +			if (!(fp->flag & FA_WRITE))		/* Check access mode */ +				res = FR_DENIED; +		} +	} +	if (res == FR_OK) { +		if (fp->fsize > fp->fptr) { +			fp->fsize = fp->fptr;	/* Set file size to current R/W point */ +			fp->flag |= FA__WRITTEN; +			if (fp->fptr == 0) {	/* When set file size to zero, remove entire cluster chain */ +				res = remove_chain(fp->fs, fp->sclust); +				fp->sclust = 0; +			} else {				/* When truncate a part of the file, remove remaining clusters */ +				ncl = get_fat(fp->fs, fp->clust); +				res = FR_OK; +				if (ncl == 0xFFFFFFFF) res = FR_DISK_ERR; +				if (ncl == 1) res = FR_INT_ERR; +				if (res == FR_OK && ncl < fp->fs->n_fatent) { +					res = put_fat(fp->fs, fp->clust, 0x0FFFFFFF); +					if (res == FR_OK) res = remove_chain(fp->fs, ncl); +				} +			} +		} +		if (res != FR_OK) fp->flag |= FA__ERROR; +	} + +	LEAVE_FF(fp->fs, res); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Delete a File or Directory                                            */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_unlink ( +	const TCHAR *path		/* Pointer to the file or directory path */ +) +{ +	FRESULT res; +	DIR dj, sdj; +	BYTE *dir; +	DWORD dclst; +	DEF_NAMEBUF; + + +	res = chk_mounted(&path, &dj.fs, 1); +	if (res == FR_OK) { +		INIT_BUF(dj); +		res = follow_path(&dj, path);		/* Follow the file path */ +		if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT)) +			res = FR_INVALID_NAME;			/* Cannot remove dot entry */ +#if _FS_LOCK +		if (res == FR_OK) res = chk_lock(&dj, 2);	/* Cannot remove open file */ +#endif +		if (res == FR_OK) {					/* The object is accessible */ +			dir = dj.dir; +			if (!dir) { +				res = FR_INVALID_NAME;		/* Cannot remove the start directory */ +			} else { +				if (dir[DIR_Attr] & AM_RDO) +					res = FR_DENIED;		/* Cannot remove R/O object */ +			} +			dclst = ld_clust(dj.fs, dir); +			if (res == FR_OK && (dir[DIR_Attr] & AM_DIR)) {	/* Is it a sub-dir? */ +				if (dclst < 2) { +					res = FR_INT_ERR; +				} else { +					mem_cpy(&sdj, &dj, sizeof (DIR));	/* Check if the sub-dir is empty or not */ +					sdj.sclust = dclst; +					res = dir_sdi(&sdj, 2);		/* Exclude dot entries */ +					if (res == FR_OK) { +						res = dir_read(&sdj); +						if (res == FR_OK		/* Not empty dir */ +#if _FS_RPATH +						|| dclst == dj.fs->cdir	/* Current dir */ +#endif +						) res = FR_DENIED; +						if (res == FR_NO_FILE) res = FR_OK;	/* Empty */ +					} +				} +			} +			if (res == FR_OK) { +				res = dir_remove(&dj);		/* Remove the directory entry */ +				if (res == FR_OK) { +					if (dclst)				/* Remove the cluster chain if exist */ +						res = remove_chain(dj.fs, dclst); +					if (res == FR_OK) res = sync(dj.fs); +				} +			} +		} +		FREE_BUF(); +	} +	LEAVE_FF(dj.fs, res); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Create a Directory                                                    */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_mkdir ( +	const TCHAR *path		/* Pointer to the directory path */ +) +{ +	FRESULT res; +	DIR dj; +	BYTE *dir, n; +	DWORD dsc, dcl, pcl, tim = get_fattime(); +	DEF_NAMEBUF; + + +	res = chk_mounted(&path, &dj.fs, 1); +	if (res == FR_OK) { +		INIT_BUF(dj); +		res = follow_path(&dj, path);			/* Follow the file path */ +		if (res == FR_OK) res = FR_EXIST;		/* Any object with same name is already existing */ +		if (_FS_RPATH && res == FR_NO_FILE && (dj.fn[NS] & NS_DOT)) +			res = FR_INVALID_NAME; +		if (res == FR_NO_FILE) {				/* Can create a new directory */ +			dcl = create_chain(dj.fs, 0);		/* Allocate a cluster for the new directory table */ +			res = FR_OK; +			if (dcl == 0) res = FR_DENIED;		/* No space to allocate a new cluster */ +			if (dcl == 1) res = FR_INT_ERR; +			if (dcl == 0xFFFFFFFF) res = FR_DISK_ERR; +			if (res == FR_OK)					/* Flush FAT */ +				res = move_window(dj.fs, 0); +			if (res == FR_OK) {					/* Initialize the new directory table */ +				dsc = clust2sect(dj.fs, dcl); +				dir = dj.fs->win; +				mem_set(dir, 0, SS(dj.fs)); +				mem_set(dir+DIR_Name, ' ', 8+3);	/* Create "." entry */ +				dir[DIR_Name] = '.'; +				dir[DIR_Attr] = AM_DIR; +				ST_DWORD(dir+DIR_WrtTime, tim); +				st_clust(dir, dcl); +				mem_cpy(dir+SZ_DIR, dir, SZ_DIR); 	/* Create ".." entry */ +				dir[33] = '.'; pcl = dj.sclust; +				if (dj.fs->fs_type == FS_FAT32 && pcl == dj.fs->dirbase) +					pcl = 0; +				st_clust(dir+SZ_DIR, pcl); +				for (n = dj.fs->csize; n; n--) {	/* Write dot entries and clear following sectors */ +					dj.fs->winsect = dsc++; +					dj.fs->wflag = 1; +					res = move_window(dj.fs, 0); +					if (res != FR_OK) break; +					mem_set(dir, 0, SS(dj.fs)); +				} +			} +			if (res == FR_OK) res = dir_register(&dj);	/* Register the object to the directory */ +			if (res != FR_OK) { +				remove_chain(dj.fs, dcl);			/* Could not register, remove cluster chain */ +			} else { +				dir = dj.dir; +				dir[DIR_Attr] = AM_DIR;				/* Attribute */ +				ST_DWORD(dir+DIR_WrtTime, tim);		/* Created time */ +				st_clust(dir, dcl);					/* Table start cluster */ +				dj.fs->wflag = 1; +				res = sync(dj.fs); +			} +		} +		FREE_BUF(); +	} + +	LEAVE_FF(dj.fs, res); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Change Attribute                                                      */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_chmod ( +	const TCHAR *path,	/* Pointer to the file path */ +	BYTE value,			/* Attribute bits */ +	BYTE mask			/* Attribute mask to change */ +) +{ +	FRESULT res; +	DIR dj; +	BYTE *dir; +	DEF_NAMEBUF; + + +	res = chk_mounted(&path, &dj.fs, 1); +	if (res == FR_OK) { +		INIT_BUF(dj); +		res = follow_path(&dj, path);		/* Follow the file path */ +		FREE_BUF(); +		if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT)) +			res = FR_INVALID_NAME; +		if (res == FR_OK) { +			dir = dj.dir; +			if (!dir) {						/* Is it a root directory? */ +				res = FR_INVALID_NAME; +			} else {						/* File or sub directory */ +				mask &= AM_RDO|AM_HID|AM_SYS|AM_ARC;	/* Valid attribute mask */ +				dir[DIR_Attr] = (value & mask) | (dir[DIR_Attr] & (BYTE)~mask);	/* Apply attribute change */ +				dj.fs->wflag = 1; +				res = sync(dj.fs); +			} +		} +	} + +	LEAVE_FF(dj.fs, res); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Change Timestamp                                                      */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_utime ( +	const TCHAR *path,	/* Pointer to the file/directory name */ +	const FILINFO *fno	/* Pointer to the time stamp to be set */ +) +{ +	FRESULT res; +	DIR dj; +	BYTE *dir; +	DEF_NAMEBUF; + + +	res = chk_mounted(&path, &dj.fs, 1); +	if (res == FR_OK) { +		INIT_BUF(dj); +		res = follow_path(&dj, path);	/* Follow the file path */ +		FREE_BUF(); +		if (_FS_RPATH && res == FR_OK && (dj.fn[NS] & NS_DOT)) +			res = FR_INVALID_NAME; +		if (res == FR_OK) { +			dir = dj.dir; +			if (!dir) {					/* Root directory */ +				res = FR_INVALID_NAME; +			} else {					/* File or sub-directory */ +				ST_WORD(dir+DIR_WrtTime, fno->ftime); +				ST_WORD(dir+DIR_WrtDate, fno->fdate); +				dj.fs->wflag = 1; +				res = sync(dj.fs); +			} +		} +	} + +	LEAVE_FF(dj.fs, res); +} + + + + +/*-----------------------------------------------------------------------*/ +/* Rename File/Directory                                                 */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_rename ( +	const TCHAR *path_old,	/* Pointer to the old name */ +	const TCHAR *path_new	/* Pointer to the new name */ +) +{ +	FRESULT res; +	DIR djo, djn; +	BYTE buf[21], *dir; +	DWORD dw; +	DEF_NAMEBUF; + + +	res = chk_mounted(&path_old, &djo.fs, 1); +	if (res == FR_OK) { +		djn.fs = djo.fs; +		INIT_BUF(djo); +		res = follow_path(&djo, path_old);		/* Check old object */ +		if (_FS_RPATH && res == FR_OK && (djo.fn[NS] & NS_DOT)) +			res = FR_INVALID_NAME; +#if _FS_LOCK +		if (res == FR_OK) res = chk_lock(&djo, 2); +#endif +		if (res == FR_OK) {						/* Old object is found */ +			if (!djo.dir) {						/* Is root dir? */ +				res = FR_NO_FILE; +			} else { +				mem_cpy(buf, djo.dir+DIR_Attr, 21);		/* Save the object information except for name */ +				mem_cpy(&djn, &djo, sizeof (DIR));		/* Check new object */ +				res = follow_path(&djn, path_new); +				if (res == FR_OK) res = FR_EXIST;		/* The new object name is already existing */ +				if (res == FR_NO_FILE) { 				/* Is it a valid path and no name collision? */ +/* Start critical section that an interruption or error can cause cross-link */ +					res = dir_register(&djn);			/* Register the new entry */ +					if (res == FR_OK) { +						dir = djn.dir;					/* Copy object information except for name */ +						mem_cpy(dir+13, buf+2, 19); +						dir[DIR_Attr] = buf[0] | AM_ARC; +						djo.fs->wflag = 1; +						if (djo.sclust != djn.sclust && (dir[DIR_Attr] & AM_DIR)) {		/* Update .. entry in the directory if needed */ +							dw = clust2sect(djo.fs, ld_clust(djo.fs, dir)); +							if (!dw) { +								res = FR_INT_ERR; +							} else { +								res = move_window(djo.fs, dw); +								dir = djo.fs->win+SZ_DIR;	/* .. entry */ +								if (res == FR_OK && dir[1] == '.') { +									dw = (djo.fs->fs_type == FS_FAT32 && djn.sclust == djo.fs->dirbase) ? 0 : djn.sclust; +									st_clust(dir, dw); +									djo.fs->wflag = 1; +								} +							} +						} +						if (res == FR_OK) { +							res = dir_remove(&djo);		/* Remove old entry */ +							if (res == FR_OK) +								res = sync(djo.fs); +						} +					} +/* End critical section */ +				} +			} +		} +		FREE_BUF(); +	} +	LEAVE_FF(djo.fs, res); +} + +#endif /* !_FS_READONLY */ +#endif /* _FS_MINIMIZE == 0 */ +#endif /* _FS_MINIMIZE <= 1 */ +#endif /* _FS_MINIMIZE <= 2 */ + + + +/*-----------------------------------------------------------------------*/ +/* Forward data to the stream directly (available on only tiny cfg)      */ +/*-----------------------------------------------------------------------*/ +#if _USE_FORWARD && _FS_TINY + +FRESULT f_forward ( +	FIL *fp, 						/* Pointer to the file object */ +	UINT (*func)(const BYTE*,UINT),	/* Pointer to the streaming function */ +	UINT btr,						/* Number of bytes to forward */ +	UINT *bf						/* Pointer to number of bytes forwarded */ +) +{ +	FRESULT res; +	DWORD remain, clst, sect; +	UINT rcnt; +	BYTE csect; + + +	*bf = 0;	/* Clear transfer byte counter */ + +	if (!fp) return FR_INVALID_OBJECT; + +	res = validate(fp);								/* Check validity of the object */ +	if (res != FR_OK) LEAVE_FF(fp->fs, res); +	if (fp->flag & FA__ERROR)						/* Check error flag */ +		LEAVE_FF(fp->fs, FR_INT_ERR); +	if (!(fp->flag & FA_READ))						/* Check access mode */ +		LEAVE_FF(fp->fs, FR_DENIED); + +	remain = fp->fsize - fp->fptr; +	if (btr > remain) btr = (UINT)remain;			/* Truncate btr by remaining bytes */ + +	for ( ;  btr && (*func)(0, 0);					/* Repeat until all data transferred or stream becomes busy */ +		fp->fptr += rcnt, *bf += rcnt, btr -= rcnt) { +		csect = (BYTE)(fp->fptr / SS(fp->fs) & (fp->fs->csize - 1));	/* Sector offset in the cluster */ +		if ((fp->fptr % SS(fp->fs)) == 0) {			/* On the sector boundary? */ +			if (!csect) {							/* On the cluster boundary? */ +				clst = (fp->fptr == 0) ?			/* On the top of the file? */ +					fp->sclust : get_fat(fp->fs, fp->clust); +				if (clst <= 1) ABORT(fp->fs, FR_INT_ERR); +				if (clst == 0xFFFFFFFF) ABORT(fp->fs, FR_DISK_ERR); +				fp->clust = clst;					/* Update current cluster */ +			} +		} +		sect = clust2sect(fp->fs, fp->clust);		/* Get current data sector */ +		if (!sect) ABORT(fp->fs, FR_INT_ERR); +		sect += csect; +		if (move_window(fp->fs, sect))				/* Move sector window */ +			ABORT(fp->fs, FR_DISK_ERR); +		fp->dsect = sect; +		rcnt = SS(fp->fs) - (WORD)(fp->fptr % SS(fp->fs));	/* Forward data from sector window */ +		if (rcnt > btr) rcnt = btr; +		rcnt = (*func)(&fp->fs->win[(WORD)fp->fptr % SS(fp->fs)], rcnt); +		if (!rcnt) ABORT(fp->fs, FR_INT_ERR); +	} + +	LEAVE_FF(fp->fs, FR_OK); +} +#endif /* _USE_FORWARD */ + + + +#if _USE_MKFS && !_FS_READONLY +/*-----------------------------------------------------------------------*/ +/* Create File System on the Drive                                       */ +/*-----------------------------------------------------------------------*/ +#define N_ROOTDIR	512		/* Number of root dir entries for FAT12/16 */ +#define N_FATS		1		/* Number of FAT copies (1 or 2) */ + + +FRESULT f_mkfs ( +	BYTE drv,		/* Logical drive number */ +	BYTE sfd,		/* Partitioning rule 0:FDISK, 1:SFD */ +	UINT au			/* Allocation unit size [bytes] */ +) +{ +	static const WORD vst[] = { 1024,   512,  256,  128,   64,    32,   16,    8,    4,    2,   0}; +	static const WORD cst[] = {32768, 16384, 8192, 4096, 2048, 16384, 8192, 4096, 2048, 1024, 512}; +	BYTE fmt, md, sys, *tbl, pdrv, part; +	DWORD n_clst, vs, n, wsect; +	UINT i; +	DWORD b_vol, b_fat, b_dir, b_data;	/* LBA */ +	DWORD n_vol, n_rsv, n_fat, n_dir;	/* Size */ +	FATFS *fs; +	DSTATUS stat; + + +	/* Check mounted drive and clear work area */ +	if (drv >= _VOLUMES) return FR_INVALID_DRIVE; +	if (sfd > 1) return FR_INVALID_PARAMETER; +	if (au & (au - 1)) return FR_INVALID_PARAMETER; +	fs = FatFs[drv]; +	if (!fs) return FR_NOT_ENABLED; +	fs->fs_type = 0; +	pdrv = LD2PD(drv);	/* Physical drive */ +	part = LD2PT(drv);	/* Partition (0:auto detect, 1-4:get from partition table)*/ + +	/* Get disk statics */ +	stat = disk_initialize(pdrv); +	if (stat & STA_NOINIT) return FR_NOT_READY; +	if (stat & STA_PROTECT) return FR_WRITE_PROTECTED; +#if _MAX_SS != 512					/* Get disk sector size */ +	if (disk_ioctl(pdrv, GET_SECTOR_SIZE, &SS(fs)) != RES_OK || SS(fs) > _MAX_SS) +		return FR_DISK_ERR; +#endif +	if (_MULTI_PARTITION && part) { +		/* Get partition information from partition table in the MBR */ +		if (disk_read(pdrv, fs->win, 0, 1) != RES_OK) return FR_DISK_ERR; +		if (LD_WORD(fs->win+BS_55AA) != 0xAA55) return FR_MKFS_ABORTED; +		tbl = &fs->win[MBR_Table + (part - 1) * SZ_PTE]; +		if (!tbl[4]) return FR_MKFS_ABORTED;	/* No partition? */ +		b_vol = LD_DWORD(tbl+8);	/* Volume start sector */ +		n_vol = LD_DWORD(tbl+12);	/* Volume size */ +	} else { +		/* Create a partition in this function */ +		if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &n_vol) != RES_OK || n_vol < 128) +			return FR_DISK_ERR; +		b_vol = (sfd) ? 0 : 63;		/* Volume start sector */ +		n_vol -= b_vol;				/* Volume size */ +	} + +	if (!au) {				/* AU auto selection */ +		vs = n_vol / (2000 / (SS(fs) / 512)); +		for (i = 0; vs < vst[i]; i++) ; +		au = cst[i]; +	} +	au /= SS(fs);		/* Number of sectors per cluster */ +	if (au == 0) au = 1; +	if (au > 128) au = 128; + +	/* Pre-compute number of clusters and FAT sub-type */ +	n_clst = n_vol / au; +	fmt = FS_FAT12; +	if (n_clst >= MIN_FAT16) fmt = FS_FAT16; +	if (n_clst >= MIN_FAT32) fmt = FS_FAT32; + +	/* Determine offset and size of FAT structure */ +	if (fmt == FS_FAT32) { +		n_fat = ((n_clst * 4) + 8 + SS(fs) - 1) / SS(fs); +		n_rsv = 32; +		n_dir = 0; +	} else { +		n_fat = (fmt == FS_FAT12) ? (n_clst * 3 + 1) / 2 + 3 : (n_clst * 2) + 4; +		n_fat = (n_fat + SS(fs) - 1) / SS(fs); +		n_rsv = 1; +		n_dir = (DWORD)N_ROOTDIR * SZ_DIR / SS(fs); +	} +	b_fat = b_vol + n_rsv;				/* FAT area start sector */ +	b_dir = b_fat + n_fat * N_FATS;		/* Directory area start sector */ +	b_data = b_dir + n_dir;				/* Data area start sector */ +	if (n_vol < b_data + au - b_vol) return FR_MKFS_ABORTED;	/* Too small volume */ + +	/* Align data start sector to erase block boundary (for flash memory media) */ +	if (disk_ioctl(pdrv, GET_BLOCK_SIZE, &n) != RES_OK || !n || n > 32768) n = 1; +	n = (b_data + n - 1) & ~(n - 1);	/* Next nearest erase block from current data start */ +	n = (n - b_data) / N_FATS; +	if (fmt == FS_FAT32) {		/* FAT32: Move FAT offset */ +		n_rsv += n; +		b_fat += n; +	} else {					/* FAT12/16: Expand FAT size */ +		n_fat += n; +	} + +	/* Determine number of clusters and final check of validity of the FAT sub-type */ +	n_clst = (n_vol - n_rsv - n_fat * N_FATS - n_dir) / au; +	if (   (fmt == FS_FAT16 && n_clst < MIN_FAT16) +		|| (fmt == FS_FAT32 && n_clst < MIN_FAT32)) +		return FR_MKFS_ABORTED; + +	switch (fmt) {	/* Determine system ID for partition table */ +	case FS_FAT12:	sys = 0x01; break; +	case FS_FAT16:	sys = (n_vol < 0x10000) ? 0x04 : 0x06; break; +	default: 		sys = 0x0C; +	} + +	if (_MULTI_PARTITION && part) { +		/* Update system ID in the partition table */ +		tbl = &fs->win[MBR_Table + (part - 1) * SZ_PTE]; +		tbl[4] = sys; +		if (disk_write(pdrv, fs->win, 0, 1) != RES_OK) return FR_DISK_ERR; +		md = 0xF8; +	} else { +		if (sfd) {	/* No partition table (SFD) */ +			md = 0xF0; +		} else {	/* Create partition table (FDISK) */ +			mem_set(fs->win, 0, SS(fs)); +			tbl = fs->win+MBR_Table;	/* Create partition table for single partition in the drive */ +			tbl[1] = 1;						/* Partition start head */ +			tbl[2] = 1;						/* Partition start sector */ +			tbl[3] = 0;						/* Partition start cylinder */ +			tbl[4] = sys;					/* System type */ +			tbl[5] = 254;					/* Partition end head */ +			n = (b_vol + n_vol) / 63 / 255; +			tbl[6] = (BYTE)((n >> 2) | 63);	/* Partition end sector */ +			tbl[7] = (BYTE)n;				/* End cylinder */ +			ST_DWORD(tbl+8, 63);			/* Partition start in LBA */ +			ST_DWORD(tbl+12, n_vol);		/* Partition size in LBA */ +			ST_WORD(fs->win+BS_55AA, 0xAA55);	/* MBR signature */ +			if (disk_write(pdrv, fs->win, 0, 1) != RES_OK)	/* Write it to the MBR sector */ +				return FR_DISK_ERR; +			md = 0xF8; +		} +	} + +	/* Create BPB in the VBR */ +	tbl = fs->win;							/* Clear sector */ +	mem_set(tbl, 0, SS(fs)); +	mem_cpy(tbl, "\xEB\xFE\x90" "MSDOS5.0", 11);/* Boot jump code, OEM name */ +	i = SS(fs);								/* Sector size */ +	ST_WORD(tbl+BPB_BytsPerSec, i); +	tbl[BPB_SecPerClus] = (BYTE)au;			/* Sectors per cluster */ +	ST_WORD(tbl+BPB_RsvdSecCnt, n_rsv);		/* Reserved sectors */ +	tbl[BPB_NumFATs] = N_FATS;				/* Number of FATs */ +	i = (fmt == FS_FAT32) ? 0 : N_ROOTDIR;	/* Number of rootdir entries */ +	ST_WORD(tbl+BPB_RootEntCnt, i); +	if (n_vol < 0x10000) {					/* Number of total sectors */ +		ST_WORD(tbl+BPB_TotSec16, n_vol); +	} else { +		ST_DWORD(tbl+BPB_TotSec32, n_vol); +	} +	tbl[BPB_Media] = md;					/* Media descriptor */ +	ST_WORD(tbl+BPB_SecPerTrk, 63);			/* Number of sectors per track */ +	ST_WORD(tbl+BPB_NumHeads, 255);			/* Number of heads */ +	ST_DWORD(tbl+BPB_HiddSec, b_vol);		/* Hidden sectors */ +	n = get_fattime();						/* Use current time as VSN */ +	if (fmt == FS_FAT32) { +		ST_DWORD(tbl+BS_VolID32, n);		/* VSN */ +		ST_DWORD(tbl+BPB_FATSz32, n_fat);	/* Number of sectors per FAT */ +		ST_DWORD(tbl+BPB_RootClus, 2);		/* Root directory start cluster (2) */ +		ST_WORD(tbl+BPB_FSInfo, 1);			/* FSInfo record offset (VBR+1) */ +		ST_WORD(tbl+BPB_BkBootSec, 6);		/* Backup boot record offset (VBR+6) */ +		tbl[BS_DrvNum32] = 0x80;			/* Drive number */ +		tbl[BS_BootSig32] = 0x29;			/* Extended boot signature */ +		mem_cpy(tbl+BS_VolLab32, "NO NAME    " "FAT32   ", 19);	/* Volume label, FAT signature */ +	} else { +		ST_DWORD(tbl+BS_VolID, n);			/* VSN */ +		ST_WORD(tbl+BPB_FATSz16, n_fat);	/* Number of sectors per FAT */ +		tbl[BS_DrvNum] = 0x80;				/* Drive number */ +		tbl[BS_BootSig] = 0x29;				/* Extended boot signature */ +		mem_cpy(tbl+BS_VolLab, "NO NAME    " "FAT     ", 19);	/* Volume label, FAT signature */ +	} +	ST_WORD(tbl+BS_55AA, 0xAA55);			/* Signature (Offset is fixed here regardless of sector size) */ +	if (disk_write(pdrv, tbl, b_vol, 1) != RES_OK)	/* Write it to the VBR sector */ +		return FR_DISK_ERR; +	if (fmt == FS_FAT32)							/* Write backup VBR if needed (VBR+6) */ +		disk_write(pdrv, tbl, b_vol + 6, 1); + +	/* Initialize FAT area */ +	wsect = b_fat; +	for (i = 0; i < N_FATS; i++) {		/* Initialize each FAT copy */ +		mem_set(tbl, 0, SS(fs));			/* 1st sector of the FAT  */ +		n = md;								/* Media descriptor byte */ +		if (fmt != FS_FAT32) { +			n |= (fmt == FS_FAT12) ? 0x00FFFF00 : 0xFFFFFF00; +			ST_DWORD(tbl+0, n);				/* Reserve cluster #0-1 (FAT12/16) */ +		} else { +			n |= 0xFFFFFF00; +			ST_DWORD(tbl+0, n);				/* Reserve cluster #0-1 (FAT32) */ +			ST_DWORD(tbl+4, 0xFFFFFFFF); +			ST_DWORD(tbl+8, 0x0FFFFFFF);	/* Reserve cluster #2 for root dir */ +		} +		if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK) +			return FR_DISK_ERR; +		mem_set(tbl, 0, SS(fs));			/* Fill following FAT entries with zero */ +		for (n = 1; n < n_fat; n++) {		/* This loop may take a time on FAT32 volume due to many single sector writes */ +			if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK) +				return FR_DISK_ERR; +		} +	} + +	/* Initialize root directory */ +	i = (fmt == FS_FAT32) ? au : n_dir; +	do { +		if (disk_write(pdrv, tbl, wsect++, 1) != RES_OK) +			return FR_DISK_ERR; +	} while (--i); + +#if _USE_ERASE	/* Erase data area if needed */ +	{ +		DWORD eb[2]; + +		eb[0] = wsect; eb[1] = wsect + (n_clst - ((fmt == FS_FAT32) ? 1 : 0)) * au - 1; +		disk_ioctl(pdrv, CTRL_ERASE_SECTOR, eb); +	} +#endif + +	/* Create FSInfo if needed */ +	if (fmt == FS_FAT32) { +		ST_DWORD(tbl+FSI_LeadSig, 0x41615252); +		ST_DWORD(tbl+FSI_StrucSig, 0x61417272); +		ST_DWORD(tbl+FSI_Free_Count, n_clst - 1);	/* Number of free clusters */ +		ST_DWORD(tbl+FSI_Nxt_Free, 2);				/* Last allocated cluster# */ +		ST_WORD(tbl+BS_55AA, 0xAA55); +		disk_write(pdrv, tbl, b_vol + 1, 1);	/* Write original (VBR+1) */ +		disk_write(pdrv, tbl, b_vol + 7, 1);	/* Write backup (VBR+7) */ +	} + +	return (disk_ioctl(pdrv, CTRL_SYNC, 0) == RES_OK) ? FR_OK : FR_DISK_ERR; +} + + +#if _MULTI_PARTITION == 2 +/*-----------------------------------------------------------------------*/ +/* Divide Physical Drive                                                 */ +/*-----------------------------------------------------------------------*/ + +FRESULT f_fdisk ( +	BYTE pdrv,			/* Physical drive number */ +	const DWORD szt[],	/* Pointer to the size table for each partitions */ +	void* work			/* Pointer to the working buffer */ +) +{ +	UINT i, n, sz_cyl, tot_cyl, b_cyl, e_cyl, p_cyl; +	BYTE s_hd, e_hd, *p, *buf = (BYTE*)work; +	DSTATUS stat; +	DWORD sz_disk, sz_part, s_part; + + +	stat = disk_initialize(pdrv); +	if (stat & STA_NOINIT) return FR_NOT_READY; +	if (stat & STA_PROTECT) return FR_WRITE_PROTECTED; +	if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &sz_disk)) return FR_DISK_ERR; + +	/* Determine CHS in the table regardless of the drive geometry */ +	for (n = 16; n < 256 && sz_disk / n / 63 > 1024; n *= 2) ; +	if (n == 256) n--; +	e_hd = n - 1; +	sz_cyl = 63 * n; +	tot_cyl = sz_disk / sz_cyl; + +	/* Create partition table */ +	mem_set(buf, 0, _MAX_SS); +	p = buf + MBR_Table; b_cyl = 0; +	for (i = 0; i < 4; i++, p += SZ_PTE) { +		p_cyl = (szt[i] <= 100) ? (DWORD)tot_cyl * szt[i] / 100 : szt[i] / sz_cyl; +		if (!p_cyl) continue; +		s_part = (DWORD)sz_cyl * b_cyl; +		sz_part = (DWORD)sz_cyl * p_cyl; +		if (i == 0) {	/* Exclude first track of cylinder 0 */ +			s_hd = 1; +			s_part += 63; sz_part -= 63; +		} else { +			s_hd = 0; +		} +		e_cyl = b_cyl + p_cyl - 1; +		if (e_cyl >= tot_cyl) return FR_INVALID_PARAMETER; + +		/* Set partition table */ +		p[1] = s_hd;						/* Start head */ +		p[2] = (BYTE)((b_cyl >> 2) + 1);	/* Start sector */ +		p[3] = (BYTE)b_cyl;					/* Start cylinder */ +		p[4] = 0x06;						/* System type (temporary setting) */ +		p[5] = e_hd;						/* End head */ +		p[6] = (BYTE)((e_cyl >> 2) + 63);	/* End sector */ +		p[7] = (BYTE)e_cyl;					/* End cylinder */ +		ST_DWORD(p + 8, s_part);			/* Start sector in LBA */ +		ST_DWORD(p + 12, sz_part);			/* Partition size */ + +		/* Next partition */ +		b_cyl += p_cyl; +	} +	ST_WORD(p, 0xAA55); + +	/* Write it to the MBR */ +	return (disk_write(pdrv, buf, 0, 1) || disk_ioctl(pdrv, CTRL_SYNC, 0)) ? FR_DISK_ERR : FR_OK; +} + + +#endif /* _MULTI_PARTITION == 2 */ +#endif /* _USE_MKFS && !_FS_READONLY */ + + + + +#if _USE_STRFUNC +/*-----------------------------------------------------------------------*/ +/* Get a string from the file                                            */ +/*-----------------------------------------------------------------------*/ +TCHAR* f_gets ( +	TCHAR* buff,	/* Pointer to the string buffer to read */ +	int len,		/* Size of string buffer (characters) */ +	FIL* fil		/* Pointer to the file object */ +) +{ +	int n = 0; +	TCHAR c, *p = buff; +	BYTE s[2]; +	UINT rc; + + +	while (n < len - 1) {			/* Read bytes until buffer gets filled */ +		f_read(fil, s, 1, &rc); +		if (rc != 1) break;			/* Break on EOF or error */ +		c = s[0]; +#if _LFN_UNICODE					/* Read a character in UTF-8 encoding */ +		if (c >= 0x80) { +			if (c < 0xC0) continue;	/* Skip stray trailer */ +			if (c < 0xE0) {			/* Two-byte sequence */ +				f_read(fil, s, 1, &rc); +				if (rc != 1) break; +				c = ((c & 0x1F) << 6) | (s[0] & 0x3F); +				if (c < 0x80) c = '?'; +			} else { +				if (c < 0xF0) {		/* Three-byte sequence */ +					f_read(fil, s, 2, &rc); +					if (rc != 2) break; +					c = (c << 12) | ((s[0] & 0x3F) << 6) | (s[1] & 0x3F); +					if (c < 0x800) c = '?'; +				} else {			/* Reject four-byte sequence */ +					c = '?'; +				} +			} +		} +#endif +#if _USE_STRFUNC >= 2 +		if (c == '\r') continue;	/* Strip '\r' */ +#endif +		*p++ = c; +		n++; +		if (c == '\n') break;		/* Break on EOL */ +	} +	*p = 0; +	return n ? buff : 0;			/* When no data read (eof or error), return with error. */ +} + + + +#if !_FS_READONLY +#include <stdarg.h> +/*-----------------------------------------------------------------------*/ +/* Put a character to the file                                           */ +/*-----------------------------------------------------------------------*/ +int f_putc ( +	TCHAR c,	/* A character to be output */ +	FIL* fil	/* Pointer to the file object */ +) +{ +	UINT bw, btw; +	BYTE s[3]; + + +#if _USE_STRFUNC >= 2 +	if (c == '\n') f_putc ('\r', fil);	/* LF -> CRLF conversion */ +#endif + +#if _LFN_UNICODE	/* Write the character in UTF-8 encoding */ +	if (c < 0x80) {			/* 7-bit */ +		s[0] = (BYTE)c; +		btw = 1; +	} else { +		if (c < 0x800) {	/* 11-bit */ +			s[0] = (BYTE)(0xC0 | (c >> 6)); +			s[1] = (BYTE)(0x80 | (c & 0x3F)); +			btw = 2; +		} else {			/* 16-bit */ +			s[0] = (BYTE)(0xE0 | (c >> 12)); +			s[1] = (BYTE)(0x80 | ((c >> 6) & 0x3F)); +			s[2] = (BYTE)(0x80 | (c & 0x3F)); +			btw = 3; +		} +	} +#else				/* Write the character without conversion */ +	s[0] = (BYTE)c; +	btw = 1; +#endif +	f_write(fil, s, btw, &bw);		/* Write the char to the file */ +	return (bw == btw) ? 1 : EOF;	/* Return the result */ +} + + + + +/*-----------------------------------------------------------------------*/ +/* Put a string to the file                                              */ +/*-----------------------------------------------------------------------*/ +int f_puts ( +	const TCHAR* str,	/* Pointer to the string to be output */ +	FIL* fil			/* Pointer to the file object */ +) +{ +	int n; + + +	for (n = 0; *str; str++, n++) { +		if (f_putc(*str, fil) == EOF) return EOF; +	} +	return n; +} + + + + +/*-----------------------------------------------------------------------*/ +/* Put a formatted string to the file                                    */ +/*-----------------------------------------------------------------------*/ +int f_printf ( +	FIL* fil,			/* Pointer to the file object */ +	const TCHAR* str,	/* Pointer to the format string */ +	...					/* Optional arguments... */ +) +{ +	va_list arp; +	BYTE f, r; +	UINT i, j, w; +	ULONG v; +	TCHAR c, d, s[16], *p; +	int res, chc, cc; + + +	va_start(arp, str); + +	for (cc = res = 0; cc != EOF; res += cc) { +		c = *str++; +		if (c == 0) break;			/* End of string */ +		if (c != '%') {				/* Non escape character */ +			cc = f_putc(c, fil); +			if (cc != EOF) cc = 1; +			continue; +		} +		w = f = 0; +		c = *str++; +		if (c == '0') {				/* Flag: '0' padding */ +			f = 1; c = *str++; +		} else { +			if (c == '-') {			/* Flag: left justified */ +				f = 2; c = *str++; +			} +		} +		while (IsDigit(c)) {		/* Precision */ +			w = w * 10 + c - '0'; +			c = *str++; +		} +		if (c == 'l' || c == 'L') {	/* Prefix: Size is long int */ +			f |= 4; c = *str++; +		} +		if (!c) break; +		d = c; +		if (IsLower(d)) d -= 0x20; +		switch (d) {				/* Type is... */ +		case 'S' :					/* String */ +			p = va_arg(arp, TCHAR*); +			for (j = 0; p[j]; j++) ; +			chc = 0; +			if (!(f & 2)) { +				while (j++ < w) chc += (cc = f_putc(' ', fil)); +			} +			chc += (cc = f_puts(p, fil)); +			while (j++ < w) chc += (cc = f_putc(' ', fil)); +			if (cc != EOF) cc = chc; +			continue; +		case 'C' :					/* Character */ +			cc = f_putc((TCHAR)va_arg(arp, int), fil); continue; +		case 'B' :					/* Binary */ +			r = 2; break; +		case 'O' :					/* Octal */ +			r = 8; break; +		case 'D' :					/* Signed decimal */ +		case 'U' :					/* Unsigned decimal */ +			r = 10; break; +		case 'X' :					/* Hexdecimal */ +			r = 16; break; +		default:					/* Unknown type (pass-through) */ +			cc = f_putc(c, fil); continue; +		} + +		/* Get an argument and put it in numeral */ +		v = (f & 4) ? (ULONG)va_arg(arp, long) : ((d == 'D') ? (ULONG)(long)va_arg(arp, int) : (ULONG)va_arg(arp, unsigned int)); +		if (d == 'D' && (v & 0x80000000)) { +			v = 0 - v; +			f |= 8; +		} +		i = 0; +		do { +			d = (TCHAR)(v % r); v /= r; +			if (d > 9) d += (c == 'x') ? 0x27 : 0x07; +			s[i++] = d + '0'; +		} while (v && i < sizeof s / sizeof s[0]); +		if (f & 8) s[i++] = '-'; +		j = i; d = (f & 1) ? '0' : ' '; +		res = 0; +		while (!(f & 2) && j++ < w) res += (cc = f_putc(d, fil)); +		do res += (cc = f_putc(s[--i], fil)); while(i); +		while (j++ < w) res += (cc = f_putc(' ', fil)); +		if (cc != EOF) cc = res; +	} + +	va_end(arp); +	return (cc == EOF) ? cc : res; +} + +#endif /* !_FS_READONLY */ +#endif /* _USE_STRFUNC */ diff --git a/lib/lufa/Projects/Webserver/Lib/FATFs/ff.h b/lib/lufa/Projects/Webserver/Lib/FATFs/ff.h new file mode 100644 index 0000000000..627cbaabe6 --- /dev/null +++ b/lib/lufa/Projects/Webserver/Lib/FATFs/ff.h @@ -0,0 +1,337 @@ +/*---------------------------------------------------------------------------/ +/  FatFs - FAT file system module include file  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 product UNDER YOUR RESPONSIBILITY. +/ * Redistributions of source code must retain the above copyright notice. +/ +/----------------------------------------------------------------------------*/ + +#ifndef _FATFS +#define _FATFS	4004	/* Revision ID */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "integer.h"	/* Basic integer types */ +#include "ffconf.h"		/* FatFs configuration options */ + +#if _FATFS != _FFCONF +#error Wrong configuration file (ffconf.h). +#endif + + + +/* Definitions of volume management */ + +#if _MULTI_PARTITION		/* Multiple partition configuration */ +typedef struct { +	BYTE pd;	/* Physical drive number */ +	BYTE pt;	/* Partition: 0:Auto detect, 1-4:Forced partition) */ +} PARTITION; +extern PARTITION VolToPart[];	/* Volume - Partition resolution table */ +#define LD2PD(vol) (VolToPart[vol].pd)	/* Get physical drive number */ +#define LD2PT(vol) (VolToPart[vol].pt)	/* Get partition index */ + +#else							/* Single partition configuration */ +#define LD2PD(vol) (BYTE)(vol)	/* Each logical drive is bound to the same physical drive number */ +#define LD2PT(vol) 0			/* Always mounts the 1st partition or in SFD */ + +#endif + + + +/* Type of path name strings on FatFs API */ + +#if _LFN_UNICODE			/* Unicode string */ +#if !_USE_LFN +#error _LFN_UNICODE must be 0 in non-LFN cfg. +#endif +#ifndef _INC_TCHAR +typedef WCHAR TCHAR; +#define _T(x) L ## x +#define _TEXT(x) L ## x +#endif + +#else						/* ANSI/OEM string */ +#ifndef _INC_TCHAR +typedef char TCHAR; +#define _T(x) x +#define _TEXT(x) x +#endif + +#endif + + + +/* File system object structure (FATFS) */ + +typedef struct { +	BYTE	fs_type;		/* FAT sub-type (0:Not mounted) */ +	BYTE	drv;			/* Physical drive number */ +	BYTE	csize;			/* Sectors per cluster (1,2,4...128) */ +	BYTE	n_fats;			/* Number of FAT copies (1,2) */ +	BYTE	wflag;			/* win[] dirty flag (1:must be written back) */ +	BYTE	fsi_flag;		/* fsinfo dirty flag (1:must be written back) */ +	WORD	id;				/* File system mount ID */ +	WORD	n_rootdir;		/* Number of root directory entries (FAT12/16) */ +#if _MAX_SS != 512 +	WORD	ssize;			/* Bytes per sector (512, 1024, 2048 or 4096) */ +#endif +#if _FS_REENTRANT +	_SYNC_t	sobj;			/* Identifier of sync object */ +#endif +#if !_FS_READONLY +	DWORD	last_clust;		/* Last allocated cluster */ +	DWORD	free_clust;		/* Number of free clusters */ +	DWORD	fsi_sector;		/* fsinfo sector (FAT32) */ +#endif +#if _FS_RPATH +	DWORD	cdir;			/* Current directory start cluster (0:root) */ +#endif +	DWORD	n_fatent;		/* Number of FAT entries (= number of clusters + 2) */ +	DWORD	fsize;			/* Sectors per FAT */ +	DWORD	fatbase;		/* FAT start sector */ +	DWORD	dirbase;		/* Root directory start sector (FAT32:Cluster#) */ +	DWORD	database;		/* Data start sector */ +	DWORD	winsect;		/* Current sector appearing in the win[] */ +	BYTE	win[_MAX_SS];	/* Disk access window for Directory, FAT (and Data on tiny cfg) */ +} FATFS; + + + +/* File object structure (FIL) */ + +typedef struct { +	FATFS*	fs;				/* Pointer to the related file system object */ +	WORD	id;				/* File system mount ID of the related file system object */ +	BYTE	flag;			/* File status flags */ +	BYTE	pad1; +	DWORD	fptr;			/* File read/write pointer (0ed on file open) */ +	DWORD	fsize;			/* File size */ +	DWORD	sclust;			/* File data start cluster (0:no data cluster, always 0 when fsize is 0) */ +	DWORD	clust;			/* Current cluster of fpter */ +	DWORD	dsect;			/* Current data sector of fpter */ +#if !_FS_READONLY +	DWORD	dir_sect;		/* Sector containing the directory entry */ +	BYTE*	dir_ptr;		/* Pointer to the directory entry in the window */ +#endif +#if _USE_FASTSEEK +	DWORD*	cltbl;			/* Pointer to the cluster link map table (null on file open) */ +#endif +#if _FS_LOCK +	UINT	lockid;			/* File lock ID (index of file semaphore table Files[]) */ +#endif +#if !_FS_TINY +	BYTE	buf[_MAX_SS];	/* File data read/write buffer */ +#endif +} FIL; + + + +/* Directory object structure (DIR) */ + +typedef struct { +	FATFS*	fs;				/* Pointer to the owner file system object */ +	WORD	id;				/* Owner file system mount ID */ +	WORD	index;			/* Current read/write index number */ +	DWORD	sclust;			/* Table start cluster (0:Root dir) */ +	DWORD	clust;			/* Current cluster */ +	DWORD	sect;			/* Current sector */ +	BYTE*	dir;			/* Pointer to the current SFN entry in the win[] */ +	BYTE*	fn;				/* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */ +#if _USE_LFN +	WCHAR*	lfn;			/* Pointer to the LFN working buffer */ +	WORD	lfn_idx;		/* Last matched LFN index number (0xFFFF:No LFN) */ +#endif +} DIR; + + + +/* File status structure (FILINFO) */ + +typedef struct { +	DWORD	fsize;			/* File size */ +	WORD	fdate;			/* Last modified date */ +	WORD	ftime;			/* Last modified time */ +	BYTE	fattrib;		/* Attribute */ +	TCHAR	fname[13];		/* Short file name (8.3 format) */ +#if _USE_LFN +	TCHAR*	lfname;			/* Pointer to the LFN buffer */ +	UINT 	lfsize;			/* Size of LFN buffer in TCHAR */ +#endif +} FILINFO; + + + +/* File function return code (FRESULT) */ + +typedef enum { +	FR_OK = 0,				/* (0) Succeeded */ +	FR_DISK_ERR,			/* (1) A hard error occurred in the low level disk I/O layer */ +	FR_INT_ERR,				/* (2) Assertion failed */ +	FR_NOT_READY,			/* (3) The physical drive cannot work */ +	FR_NO_FILE,				/* (4) Could not find the file */ +	FR_NO_PATH,				/* (5) Could not find the path */ +	FR_INVALID_NAME,		/* (6) The path name format is invalid */ +	FR_DENIED,				/* (7) Access denied due to prohibited access or directory full */ +	FR_EXIST,				/* (8) Access denied due to prohibited access */ +	FR_INVALID_OBJECT,		/* (9) The file/directory object is invalid */ +	FR_WRITE_PROTECTED,		/* (10) The physical drive is write protected */ +	FR_INVALID_DRIVE,		/* (11) The logical drive number is invalid */ +	FR_NOT_ENABLED,			/* (12) The volume has no work area */ +	FR_NO_FILESYSTEM,		/* (13) There is no valid FAT volume */ +	FR_MKFS_ABORTED,		/* (14) The f_mkfs() aborted due to any parameter error */ +	FR_TIMEOUT,				/* (15) Could not get a grant to access the volume within defined period */ +	FR_LOCKED,				/* (16) The operation is rejected according to the file sharing policy */ +	FR_NOT_ENOUGH_CORE,		/* (17) LFN working buffer could not be allocated */ +	FR_TOO_MANY_OPEN_FILES,	/* (18) Number of open files > _FS_SHARE */ +	FR_INVALID_PARAMETER	/* (19) Given parameter is invalid */ +} FRESULT; + + + +/*--------------------------------------------------------------*/ +/* FatFs module application interface                           */ + +FRESULT f_mount (BYTE, FATFS*);						/* Mount/Unmount a logical drive */ +FRESULT f_open (FIL*, const TCHAR*, BYTE);			/* Open or create a file */ +FRESULT f_read (FIL*, void*, UINT, UINT*);			/* Read data from a file */ +FRESULT f_lseek (FIL*, DWORD);						/* Move file pointer of a file object */ +FRESULT f_close (FIL*);								/* Close an open file object */ +FRESULT f_opendir (DIR*, const TCHAR*);				/* Open an existing directory */ +FRESULT f_readdir (DIR*, FILINFO*);					/* Read a directory item */ +FRESULT f_stat (const TCHAR*, FILINFO*);			/* Get file status */ +FRESULT f_write (FIL*, const void*, UINT, UINT*);	/* Write data to a file */ +FRESULT f_getfree (const TCHAR*, DWORD*, FATFS**);	/* Get number of free clusters on the drive */ +FRESULT f_truncate (FIL*);							/* Truncate file */ +FRESULT f_sync (FIL*);								/* Flush cached data of a writing file */ +FRESULT f_unlink (const TCHAR*);					/* Delete an existing file or directory */ +FRESULT	f_mkdir (const TCHAR*);						/* Create a new directory */ +FRESULT f_chmod (const TCHAR*, BYTE, BYTE);			/* Change attribute of the file/dir */ +FRESULT f_utime (const TCHAR*, const FILINFO*);		/* Change times-tamp of the file/dir */ +FRESULT f_rename (const TCHAR*, const TCHAR*);		/* Rename/Move a file or directory */ +FRESULT f_chdrive (BYTE);							/* Change current drive */ +FRESULT f_chdir (const TCHAR*);						/* Change current directory */ +FRESULT f_getcwd (TCHAR*, UINT);					/* Get current directory */ +FRESULT f_forward (FIL*, UINT(*)(const BYTE*,UINT), UINT, UINT*);	/* Forward data to the stream */ +FRESULT f_mkfs (BYTE, BYTE, UINT);					/* Create a file system on the drive */ +FRESULT	f_fdisk (BYTE, const DWORD[], void*);		/* Divide a physical drive into some partitions */ +int f_putc (TCHAR, FIL*);							/* Put a character to the file */ +int f_puts (const TCHAR*, FIL*);					/* Put a string to the file */ +int f_printf (FIL*, const TCHAR*, ...);				/* Put a formatted string to the file */ +TCHAR* f_gets (TCHAR*, int, FIL*);					/* Get a string from the file */ + +#define f_eof(fp) (((fp)->fptr == (fp)->fsize) ? 1 : 0) +#define f_error(fp) (((fp)->flag & FA__ERROR) ? 1 : 0) +#define f_tell(fp) ((fp)->fptr) +#define f_size(fp) ((fp)->fsize) + +#ifndef EOF +#define EOF (-1) +#endif + + + + +/*--------------------------------------------------------------*/ +/* Additional user defined functions                            */ + +/* RTC function */ +#if !_FS_READONLY +DWORD get_fattime (void); +#endif + +/* Unicode support functions */ +#if _USE_LFN						/* Unicode - OEM code conversion */ +WCHAR ff_convert (WCHAR, UINT);		/* OEM-Unicode bidirectional conversion */ +WCHAR ff_wtoupper (WCHAR);			/* Unicode upper-case conversion */ +#if _USE_LFN == 3					/* Memory functions */ +void* ff_memalloc (UINT);			/* Allocate memory block */ +void ff_memfree (void*);			/* Free memory block */ +#endif +#endif + +/* Sync functions */ +#if _FS_REENTRANT +int ff_cre_syncobj (BYTE, _SYNC_t*);/* Create a sync object */ +int ff_req_grant (_SYNC_t);			/* Lock sync object */ +void ff_rel_grant (_SYNC_t);		/* Unlock sync object */ +int ff_del_syncobj (_SYNC_t);		/* Delete a sync object */ +#endif + + + + +/*--------------------------------------------------------------*/ +/* Flags and offset address                                     */ + + +/* File access control and file status flags (FIL.flag) */ + +#define	FA_READ				0x01 +#define	FA_OPEN_EXISTING	0x00 +#define FA__ERROR			0x80 + +#if !_FS_READONLY +#define	FA_WRITE			0x02 +#define	FA_CREATE_NEW		0x04 +#define	FA_CREATE_ALWAYS	0x08 +#define	FA_OPEN_ALWAYS		0x10 +#define FA__WRITTEN			0x20 +#define FA__DIRTY			0x40 +#endif + + +/* FAT sub type (FATFS.fs_type) */ + +#define FS_FAT12	1 +#define FS_FAT16	2 +#define FS_FAT32	3 + + +/* File attribute bits for directory entry */ + +#define	AM_RDO	0x01	/* Read only */ +#define	AM_HID	0x02	/* Hidden */ +#define	AM_SYS	0x04	/* System */ +#define	AM_VOL	0x08	/* Volume label */ +#define AM_LFN	0x0F	/* LFN entry */ +#define AM_DIR	0x10	/* Directory */ +#define AM_ARC	0x20	/* Archive */ +#define AM_MASK	0x3F	/* Mask of defined bits */ + + +/* Fast seek feature */ +#define CREATE_LINKMAP	0xFFFFFFFF + + + +/*--------------------------------*/ +/* Multi-byte word access macros  */ + +#if _WORD_ACCESS == 1	/* Enable word access to the FAT structure */ +#define	LD_WORD(ptr)		(WORD)(*(WORD*)(BYTE*)(ptr)) +#define	LD_DWORD(ptr)		(DWORD)(*(DWORD*)(BYTE*)(ptr)) +#define	ST_WORD(ptr,val)	*(WORD*)(BYTE*)(ptr)=(WORD)(val) +#define	ST_DWORD(ptr,val)	*(DWORD*)(BYTE*)(ptr)=(DWORD)(val) +#else					/* Use byte-by-byte access to the FAT structure */ +#define	LD_WORD(ptr)		(WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr)) +#define	LD_DWORD(ptr)		(DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr)) +#define	ST_WORD(ptr,val)	*(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8) +#define	ST_DWORD(ptr,val)	*(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8); *((BYTE*)(ptr)+2)=(BYTE)((DWORD)(val)>>16); *((BYTE*)(ptr)+3)=(BYTE)((DWORD)(val)>>24) +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _FATFS */ diff --git a/lib/lufa/Projects/Webserver/Lib/FATFs/ffconf.h b/lib/lufa/Projects/Webserver/Lib/FATFs/ffconf.h new file mode 100644 index 0000000000..243a20fa22 --- /dev/null +++ b/lib/lufa/Projects/Webserver/Lib/FATFs/ffconf.h @@ -0,0 +1,190 @@ +/*---------------------------------------------------------------------------/ +/  FatFs - FAT file system module configuration file  R0.09a (C)ChaN, 2012 +/----------------------------------------------------------------------------/ +/ +/ CAUTION! Do not forget to make clean the project after any changes to +/ the configuration options. +/ +/----------------------------------------------------------------------------*/ +#ifndef _FFCONF +#define _FFCONF 4004	/* Revision ID */ + + +/*---------------------------------------------------------------------------/ +/ Function and Buffer Configurations +/----------------------------------------------------------------------------*/ + +#define	_FS_TINY	1		/* 0:Normal or 1:Tiny */ +/* When _FS_TINY is set to 1, FatFs uses the sector buffer in the file system +/  object instead of the sector buffer in the individual file object for file +/  data transfer. This reduces memory consumption 512 bytes each file object. */ + + +#define _FS_READONLY	1	/* 0:Read/Write or 1:Read only */ +/* Setting _FS_READONLY to 1 defines read only configuration. This removes +/  writing functions, f_write, f_sync, f_unlink, f_mkdir, f_chmod, f_rename, +/  f_truncate and useless f_getfree. */ + + +#define _FS_MINIMIZE	2	/* 0 to 3 */ +/* The _FS_MINIMIZE option defines minimization level to remove some functions. +/ +/   0: Full function. +/   1: f_stat, f_getfree, f_unlink, f_mkdir, f_chmod, f_truncate and f_rename +/      are removed. +/   2: f_opendir and f_readdir are removed in addition to 1. +/   3: f_lseek is removed in addition to 2. */ + + +#define	_USE_STRFUNC	0	/* 0:Disable or 1-2:Enable */ +/* To enable string functions, set _USE_STRFUNC to 1 or 2. */ + + +#define	_USE_MKFS	0		/* 0:Disable or 1:Enable */ +/* To enable f_mkfs function, set _USE_MKFS to 1 and set _FS_READONLY to 0 */ + + +#define	_USE_FORWARD	0	/* 0:Disable or 1:Enable */ +/* To enable f_forward function, set _USE_FORWARD to 1 and set _FS_TINY to 1. */ + + +#define	_USE_FASTSEEK	0	/* 0:Disable or 1:Enable */ +/* To enable fast seek feature, set _USE_FASTSEEK to 1. */ + + + +/*---------------------------------------------------------------------------/ +/ Locale and Namespace Configurations +/----------------------------------------------------------------------------*/ + +#define _CODE_PAGE	932 +/* The _CODE_PAGE specifies the OEM code page to be used on the target system. +/  Incorrect setting of the code page can cause a file open failure. +/ +/   932  - Japanese Shift-JIS (DBCS, OEM, Windows) +/   936  - Simplified Chinese GBK (DBCS, OEM, Windows) +/   949  - Korean (DBCS, OEM, Windows) +/   950  - Traditional Chinese Big5 (DBCS, OEM, Windows) +/   1250 - Central Europe (Windows) +/   1251 - Cyrillic (Windows) +/   1252 - Latin 1 (Windows) +/   1253 - Greek (Windows) +/   1254 - Turkish (Windows) +/   1255 - Hebrew (Windows) +/   1256 - Arabic (Windows) +/   1257 - Baltic (Windows) +/   1258 - Vietnam (OEM, Windows) +/   437  - U.S. (OEM) +/   720  - Arabic (OEM) +/   737  - Greek (OEM) +/   775  - Baltic (OEM) +/   850  - Multilingual Latin 1 (OEM) +/   858  - Multilingual Latin 1 + Euro (OEM) +/   852  - Latin 2 (OEM) +/   855  - Cyrillic (OEM) +/   866  - Russian (OEM) +/   857  - Turkish (OEM) +/   862  - Hebrew (OEM) +/   874  - Thai (OEM, Windows) +/	1    - ASCII only (Valid for non LFN cfg.) +*/ + + +#define	_USE_LFN	0		/* 0 to 3 */ +#define	_MAX_LFN	255		/* Maximum LFN length to handle (12 to 255) */ +/* The _USE_LFN option switches the LFN support. +/ +/   0: Disable LFN feature. _MAX_LFN and _LFN_UNICODE have no effect. +/   1: Enable LFN with static working buffer on the BSS. Always NOT reentrant. +/   2: Enable LFN with dynamic working buffer on the STACK. +/   3: Enable LFN with dynamic working buffer on the HEAP. +/ +/  The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes. To enable LFN, +/  Unicode handling functions ff_convert() and ff_wtoupper() must be added +/  to the project. When enable to use heap, memory control functions +/  ff_memalloc() and ff_memfree() must be added to the project. */ + + +#define	_LFN_UNICODE	0	/* 0:ANSI/OEM or 1:Unicode */ +/* To switch the character code set on FatFs API to Unicode, +/  enable LFN feature and set _LFN_UNICODE to 1. */ + + +#define _FS_RPATH		0	/* 0 to 2 */ +/* The _FS_RPATH option configures relative path feature. +/ +/   0: Disable relative path feature and remove related functions. +/   1: Enable relative path. f_chdrive() and f_chdir() are available. +/   2: f_getcwd() is available in addition to 1. +/ +/  Note that output of the f_readdir function is affected by this option. */ + + + +/*---------------------------------------------------------------------------/ +/ Physical Drive Configurations +/----------------------------------------------------------------------------*/ + +#define _VOLUMES	1 +/* Number of volumes (logical drives) to be used. */ + + +#define	_MAX_SS		512		/* 512, 1024, 2048 or 4096 */ +/* Maximum sector size to be handled. +/  Always set 512 for memory card and hard disk but a larger value may be +/  required for on-board flash memory, floppy disk and optical disk. +/  When _MAX_SS is larger than 512, it configures FatFs to variable sector size +/  and GET_SECTOR_SIZE command must be implemented to the disk_ioctl function. */ + + +#define	_MULTI_PARTITION	0	/* 0:Single partition, 1/2:Enable multiple partition */ +/* When set to 0, each volume is bound to the same physical drive number and +/ it can mount only first primary partition. When it is set to 1, each volume +/ is tied to the partitions listed in VolToPart[]. */ + + +#define	_USE_ERASE	0	/* 0:Disable or 1:Enable */ +/* To enable sector erase feature, set _USE_ERASE to 1. CTRL_ERASE_SECTOR command +/  should be added to the disk_ioctl function. */ + + + +/*---------------------------------------------------------------------------/ +/ System Configurations +/----------------------------------------------------------------------------*/ + +#define _WORD_ACCESS	1	/* 0 or 1 */ +/* Set 0 first and it is always compatible with all platforms. The _WORD_ACCESS +/  option defines which access method is used to the word data on the FAT volume. +/ +/   0: Byte-by-byte access. +/   1: Word access. Do not choose this unless following condition is met. +/ +/  When the byte order on the memory is big-endian or address miss-aligned word +/  access results incorrect behavior, the _WORD_ACCESS must be set to 0. +/  If it is not the case, the value can also be set to 1 to improve the +/  performance and code size. */ + + +/* A header file that defines sync object types on the O/S, such as +/  windows.h, ucos_ii.h and semphr.h, must be included prior to ff.h. */ + +#define _FS_REENTRANT	0		/* 0:Disable or 1:Enable */ +#define _FS_TIMEOUT		1000	/* Timeout period in unit of time ticks */ +#define	_SYNC_t			HANDLE	/* O/S dependent type of sync object. e.g. HANDLE, OS_EVENT*, ID and etc.. */ + +/* The _FS_REENTRANT option switches the reentrancy (thread safe) of the FatFs module. +/ +/   0: Disable reentrancy. _SYNC_t and _FS_TIMEOUT have no effect. +/   1: Enable reentrancy. Also user provided synchronization handlers, +/      ff_req_grant, ff_rel_grant, ff_del_syncobj and ff_cre_syncobj +/      function must be added to the project. */ + + +#define	_FS_LOCK	0	/* 0:Disable or >=1:Enable */ +/* To enable file lock control feature, set _FS_LOCK to 1 or greater. +   The value defines how many files can be opened simultaneously. */ + + +#endif /* _FFCONFIG */ + diff --git a/lib/lufa/Projects/Webserver/Lib/FATFs/integer.h b/lib/lufa/Projects/Webserver/Lib/FATFs/integer.h new file mode 100644 index 0000000000..5408fe6b3e --- /dev/null +++ b/lib/lufa/Projects/Webserver/Lib/FATFs/integer.h @@ -0,0 +1,38 @@ +/*-------------------------------------------*/ +/* Integer type definitions for FatFs module */ +/*-------------------------------------------*/ + +#ifndef _INTEGER +#define _INTEGER + +#ifdef _WIN32	/* FatFs development platform */ + +#include <windows.h> +#include <tchar.h> + +#else			/* Embedded platform */ + +/* These types must be 16-bit, 32-bit or larger integer */ +typedef int				INT; +typedef unsigned int	UINT; + +/* These types must be 8-bit integer */ +typedef char			CHAR; +typedef unsigned char	UCHAR; +typedef unsigned char	BYTE; + +/* These types must be 16-bit integer */ +typedef short			SHORT; +typedef unsigned short	USHORT; +typedef unsigned short	WORD; +typedef unsigned short	WCHAR; + +/* These types must be 32-bit integer */ +typedef long			LONG; +typedef unsigned long	ULONG; +typedef unsigned long	DWORD; + +#endif + +#endif + | 
