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barebox / fs / fat / ffconf.h
@Sascha Hauer Sascha Hauer on 12 Apr 2011 5 KB fs: add fat filesystem support
/*---------------------------------------------------------------------------/
/  FatFs - FAT file system module configuration file  R0.08b (C)ChaN, 2011
/----------------------------------------------------------------------------/
/
/ CAUTION! Do not forget to make clean the project after any changes to
/ the configuration options.
/
/----------------------------------------------------------------------------*/
#ifndef _FFCONF
#define _FFCONF 8237	/* Revision ID */


/*---------------------------------------------------------------------------/
/ Function and Buffer Configurations
/----------------------------------------------------------------------------*/

#define	_FS_TINY		0	/* 0:Normal or 1:Tiny */
/* When _FS_TINY is set to 1, FatFs uses the sector buffer in the file system
/  object instead of the sector buffer in the individual file object for file
/  data transfer. This reduces memory consumption 512 bytes each file object. */

#define	_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	_MAX_LFN	255		/* Maximum LFN length to handle (12 to 255) */

#define ff_memalloc	xzalloc
#define ff_memfree	free
/* 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. */

/*---------------------------------------------------------------------------/
/ 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 implememted to the disk_ioctl function. */

#define	_USE_ERASE	0	/* 0:Disable or 1:Enable */
/* To enable sector erase feature, set _USE_ERASE to 1. CTRL_ERASE_SECTOR command
/  should be added to the disk_ioctl functio. */



/*---------------------------------------------------------------------------/
/ System Configurations
/----------------------------------------------------------------------------*/

#define _WORD_ACCESS	0	/* 0 or 1 */
/* Set 0 first and it is always compatible with all platforms. The _WORD_ACCESS
/  option defines which access method is used to the word data on the FAT volume.
/
/   0: Byte-by-byte access.
/   1: Word access. Do not choose this unless following condition is met.
/
/  When the byte order on the memory is big-endian or address miss-aligned word
/  access results incorrect behavior, the _WORD_ACCESS must be set to 0.
/  If it is not the case, the value can also be set to 1 to improve the
/  performance and code size. */


/* A header file that defines sync object types on the O/S, such as
/  windows.h, ucos_ii.h and semphr.h, must be included prior to ff.h. */

#define _FS_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.. */

#define	_FS_SHARE	0	/* 0:Disable or >=1:Enable */
/* To enable file shareing feature, set _FS_SHARE to 1 or greater. The value
   defines how many files can be opened simultaneously. */


#endif /* _FFCONFIG */