rt-thread/components/dfs/filesystems/elmfat/ffconf.h

/*---------------------------------------------------------------------------/
/  FatFs - FAT file system module configuration file
/---------------------------------------------------------------------------*/

#define _FFCONF 68020	/* Revision ID */

/*---------------------------------------------------------------------------/
/ Function Configurations
/---------------------------------------------------------------------------*/

#define _FS_READONLY	0
/* This option switches read-only configuration. (0:Read/Write or 1:Read-only)
/  Read-only configuration removes writing API functions, f_write(), f_sync(),
/  f_unlink(), f_mkdir(), f_chmod(), f_rename(), f_truncate(), f_getfree()
/  and optional writing functions as well. */


#define _FS_MINIMIZE	0
/* This option defines minimization level to remove some basic API functions.
/
/   0: All basic functions are enabled.
/   1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_truncate() and f_rename()
/      are removed.
/   2: f_opendir(), f_readdir() and f_closedir() are removed in addition to 1.
/   3: f_lseek() function is removed in addition to 2. */


#define	_USE_STRFUNC	0
/* This option switches string functions, f_gets(), f_putc(), f_puts() and
/  f_printf().
/
/  0: Disable string functions.
/  1: Enable without LF-CRLF conversion.
/  2: Enable with LF-CRLF conversion. */


#define _USE_FIND		0
/* This option switches filtered directory read functions, f_findfirst() and
/  f_findnext(). (0:Disable, 1:Enable 2:Enable with matching altname[] too) */


#define	_USE_MKFS		1
/* This option switches f_mkfs() function. (0:Disable or 1:Enable) */


#define	_USE_FASTSEEK	        1
/* This option switches fast seek function. (0:Disable or 1:Enable) */


#define	_USE_EXPAND		0
/* This option switches f_expand function. (0:Disable or 1:Enable) */


#define _USE_CHMOD		0
/* This option switches attribute manipulation functions, f_chmod() and f_utime().
/  (0:Disable or 1:Enable) Also _FS_READONLY needs to be 0 to enable this option. */


#define _USE_LABEL		0
/* This option switches volume label functions, f_getlabel() and f_setlabel().
/  (0:Disable or 1:Enable) */


#define	_USE_FORWARD	0
/* This option switches f_forward() function. (0:Disable or 1:Enable) */


/*---------------------------------------------------------------------------/
/ Locale and Namespace Configurations
/---------------------------------------------------------------------------*/

#ifdef RT_DFS_ELM_CODE_PAGE
#    define _CODE_PAGE	RT_DFS_ELM_CODE_PAGE
#else
#    define _CODE_PAGE	936
#endif
/* This option specifies the OEM code page to be used on the target system.
/  Incorrect setting of the code page can cause a file open failure.
/
/   1   - ASCII (No extended character. Non-LFN cfg. only)
/   437 - U.S.
/   720 - Arabic
/   737 - Greek
/   771 - KBL
/   775 - Baltic
/   850 - Latin 1
/   852 - Latin 2
/   855 - Cyrillic
/   857 - Turkish
/   860 - Portuguese
/   861 - Icelandic
/   862 - Hebrew
/   863 - Canadian French
/   864 - Arabic
/   865 - Nordic
/   866 - Russian
/   869 - Greek 2
/   932 - Japanese (DBCS)
/   936 - Simplified Chinese (DBCS)
/   949 - Korean (DBCS)
/   950 - Traditional Chinese (DBCS)
*/


#if RT_DFS_ELM_USE_LFN
#define _USE_LFN 	RT_DFS_ELM_USE_LFN
#define _MAX_LFN 	RT_DFS_ELM_MAX_LFN
#else
#define	_USE_LFN	0		/* 0 to 3 */
#define	_MAX_LFN	255		/* Maximum LFN length to handle (12 to 255) */
#endif
/* The _USE_LFN switches the support of long file name (LFN).
/
/   0: Disable support of LFN. _MAX_LFN has no effect.
/   1: Enable LFN with static working buffer on the BSS. Always NOT thread-safe.
/   2: Enable LFN with dynamic working buffer on the STACK.
/   3: Enable LFN with dynamic working buffer on the HEAP.
/
/  To enable the LFN, Unicode handling functions (option/unicode.c) must be added
/  to the project. The working buffer occupies (_MAX_LFN + 1) * 2 bytes and
/  additional 608 bytes at exFAT enabled. _MAX_LFN can be in range from 12 to 255.
/  It should be set 255 to support full featured LFN operations.
/  When use stack for the working buffer, take care on stack overflow. When use heap
/  memory for the working buffer, memory management functions, ff_memalloc() and
/  ff_memfree(), must be added to the project. */


#ifdef RT_DFS_ELM_LFN_UNICODE
#define _LFN_UNICODE	1	/* 0:ANSI/OEM or 1:Unicode */
#else
#define	_LFN_UNICODE	0	/* 0:ANSI/OEM or 1:Unicode */
#endif
/* This option switches character encoding on the API. (0:ANSI/OEM or 1:UTF-16)
/  To use Unicode string for the path name, enable LFN and set _LFN_UNICODE = 1.
/  This option also affects behavior of string I/O functions. */


#define _STRF_ENCODE	3
/* When _LFN_UNICODE == 1, this option selects the character encoding ON THE FILE to
/  be read/written via string I/O functions, f_gets(), f_putc(), f_puts and f_printf().
/
/  0: ANSI/OEM
/  1: UTF-16LE
/  2: UTF-16BE
/  3: UTF-8
/
/  This option has no effect when _LFN_UNICODE == 0. */


#define _FS_RPATH	0
/* This option configures support of relative path.
/
/   0: Disable relative path and remove related functions.
/   1: Enable relative path. f_chdir() and f_chdrive() are available.
/   2: f_getcwd() function is available in addition to 1.
*/


/*---------------------------------------------------------------------------/
/ Drive/Volume Configurations
/---------------------------------------------------------------------------*/

#ifdef RT_DFS_ELM_DRIVES
#define _VOLUMES RT_DFS_ELM_DRIVES
#else
#define _VOLUMES	1
#endif
/* Number of volumes (logical drives) to be used. */


#define _STR_VOLUME_ID	0
#define _VOLUME_STRS	"RAM","NAND","CF","SD","SD2","USB","USB2","USB3"
/* _STR_VOLUME_ID switches string support of volume ID.
/  When _STR_VOLUME_ID is set to 1, also pre-defined strings can be used as drive
/  number in the path name. _VOLUME_STRS defines the drive ID strings for each
/  logical drives. Number of items must be equal to _VOLUMES. Valid characters for
/  the drive ID strings are: A-Z and 0-9. */


#define	_MULTI_PARTITION	0
/* This option switches support of multi-partition on a physical drive.
/  By default (0), each logical drive number is bound to the same physical drive
/  number and only an FAT volume found on the physical drive will be mounted.
/  When multi-partition is enabled (1), each logical drive number can be bound to
/  arbitrary physical drive and partition listed in the VolToPart[]. Also f_fdisk()
/  funciton will be available. */


#define	_MIN_SS		512
#ifdef RT_DFS_ELM_MAX_SECTOR_SIZE
#define _MAX_SS     RT_DFS_ELM_MAX_SECTOR_SIZE
#else
#define	_MAX_SS		512		/* 512, 1024, 2048 or 4096 */
#endif
/* These options configure the range of sector size to be supported. (512, 1024,
/  2048 or 4096) Always set both 512 for most systems, all type of memory cards and
/  harddisk. But a larger value may be required for on-board flash memory and some
/  type of optical media. When _MAX_SS is larger than _MIN_SS, FatFs is configured
/  to variable sector size and GET_SECTOR_SIZE command must be implemented to the
/  disk_ioctl() function. */


#define	_USE_TRIM	0
/* This option switches support of ATA-TRIM. (0:Disable or 1:Enable)
/  To enable Trim function, also CTRL_TRIM command should be implemented to the
/  disk_ioctl() function. */


#define _FS_NOFSINFO	0
/* If you need to know correct free space on the FAT32 volume, set bit 0 of this
/  option, and f_getfree() function at first time after volume mount will force
/  a full FAT scan. Bit 1 controls the use of last allocated cluster number.
/
/  bit0=0: Use free cluster count in the FSINFO if available.
/  bit0=1: Do not trust free cluster count in the FSINFO.
/  bit1=0: Use last allocated cluster number in the FSINFO if available.
/  bit1=1: Do not trust last allocated cluster number in the FSINFO.
*/



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

#define	_FS_TINY	0
/* This option switches tiny buffer configuration. (0:Normal or 1:Tiny)
/  At the tiny configuration, size of file object (FIL) is reduced _MAX_SS bytes.
/  Instead of private sector buffer eliminated from the file object, common sector
/  buffer in the file system object (FATFS) is used for the file data transfer. */

#ifdef RT_DFS_ELM_USE_EXFAT
#define _FS_EXFAT	1
#else
#define _FS_EXFAT	0
#endif
/* This option switches support of exFAT file system. (0:Disable or 1:Enable)
/  When enable exFAT, also LFN needs to be enabled. (_USE_LFN >= 1)
/  Note that enabling exFAT discards C89 compatibility. */


#define _FS_NORTC	0
#define _NORTC_MON	1
#define _NORTC_MDAY	1
#define _NORTC_YEAR	2016
/* The option _FS_NORTC switches timestamp functiton. If the system does not have
/  any RTC function or valid timestamp is not needed, set _FS_NORTC = 1 to disable
/  the timestamp function. All objects modified by FatFs will have a fixed timestamp
/  defined by _NORTC_MON, _NORTC_MDAY and _NORTC_YEAR in local time.
/  To enable timestamp function (_FS_NORTC = 0), get_fattime() function need to be
/  added to the project to get current time form real-time clock. _NORTC_MON,
/  _NORTC_MDAY and _NORTC_YEAR have no effect. 
/  These options have no effect at read-only configuration (_FS_READONLY = 1). */


#define	_FS_LOCK	0
/* The option _FS_LOCK switches file lock function to control duplicated file open
/  and illegal operation to open objects. This option must be 0 when _FS_READONLY
/  is 1.
/
/  0:  Disable file lock function. To avoid volume corruption, application program
/      should avoid illegal open, remove and rename to the open objects.
/  >0: Enable file lock function. The value defines how many files/sub-directories
/      can be opened simultaneously under file lock control. Note that the file
/      lock control is independent of re-entrancy. */


#ifdef RT_DFS_ELM_REENTRANT
#define _FS_REENTRANT	1		/* 0 or 1 */
#else
#define _FS_REENTRANT	0		/* 0:Disable or 1:Enable */
#endif
#define _FS_TIMEOUT	1000	        /* Timeout period in unit of time ticks */
#define	_SYNC_t		rt_mutex_t	/* O/S dependent type of sync object. e.g. HANDLE, OS_EVENT*, ID and etc.. */

/* The option _FS_REENTRANT switches the re-entrancy (thread safe) of the FatFs
/  module itself. Note that regardless of this option, file access to different
/  volume is always re-entrant and volume control functions, f_mount(), f_mkfs()
/  and f_fdisk() function, are always not re-entrant. Only file/directory access
/  to the same volume is under control of this function.
/
/   0: Disable re-entrancy. _FS_TIMEOUT and _SYNC_t have no effect.
/   1: Enable re-entrancy. 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. Samples are available in
/      option/syscall.c.
/
/  The _FS_TIMEOUT defines timeout period in unit of time tick.
/  The _SYNC_t defines O/S dependent sync object type. e.g. HANDLE, ID, OS_EVENT*,
/  SemaphoreHandle_t and etc.. A header file for O/S definitions needs to be
/  included somewhere in the scope of ff.h. */

/* #include <windows.h>	// O/S definitions  */


/*--- End of configuration options ---*/