armfly/User/conf/fatfs/ffconf.h

/*---------------------------------------------------------------------------/
/  FatFs - FAT file system module configuration file  R0.10c (C)ChaN, 2014
/---------------------------------------------------------------------------*/

#define _FFCONF 80376 /* Revision ID */

/*---------------------------------------------------------------------------/
/ Functions and Buffer Configurations
/---------------------------------------------------------------------------*/

#define _FS_TINY 0
/* This option switches tiny buffer configuration. (0:Normal or 1:Tiny)
/  At the tiny configuration, size of the 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. */

#define _FS_READONLY 0
/* This option switches read-only configuration. (0:Read/Write or 1:Read-only)
/  Read-only configuration removes basic 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 API functions.
/
/   0: All basic functions are enabled.
/   1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_chmod(), f_utime(),
/      f_truncate() and f_rename() function 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 1
/* 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_MKFS 1
/* This option switches f_mkfs() function. (0:Disable or 1:Enable)
/  To enable it, also _FS_READONLY need to be set to 0. */

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

#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) */
/* To enable it, also _FS_TINY need to be set to 1. */

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

#define _CODE_PAGE 936
/* 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.
/
/   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 (No extended character. Valid for only non-LFN configuration.) */

#define _USE_LFN 1 //使能长文件名，分配静态内存用于存储长文件名
#define _MAX_LFN 255
/* The _USE_LFN option switches the LFN feature.
/
/   0: Disable LFN feature. _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.
/
/  When enable the LFN feature, Unicode handling functions (option/unicode.c) must
/  be added to the project. The LFN working buffer occupies (_MAX_LFN + 1) * 2 bytes.
/  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. */

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

#define _STRF_ENCODE 3
/* When _LFN_UNICODE is 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
/
/  When _LFN_UNICODE is 0, this option has no effect. */

#define _FS_RPATH 0
/* This option configures relative path feature.
/
/   0: Disable relative path feature and remove related functions.
/   1: Enable relative path feature. f_chdir() and f_chdrive() are available.
/   2: f_getcwd() function is available in addition to 1.
/
/  Note that directory items read via f_readdir() are affected by this option. */

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

#define _VOLUMES 2 //【为了同时支持SD卡和NAND Flash两种介质，将 1 修改为 2】
/* Number of volumes (logical drives) to be used. */

#define _STR_VOLUME_ID 0
#define _VOLUME_STRS   "RAM", "NAND", "CF", "SD1", "SD2", "USB1", "USB2", "USB3"
/* _STR_VOLUME_ID option switches string volume ID feature.
/  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 multi-partition feature. 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 feature is enabled (1),
/  each logical drive number is bound to arbitrary physical drive and partition
/  listed in the VolToPart[]. Also f_fdisk() funciton will be enabled. */

#define _MIN_SS 512
#define _MAX_SS 512
/* 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 ATA-TRIM feature. (0:Disable or 1:Enable)
/  To enable Trim feature, 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_NORTC   0
#define _NORTC_MON  11
#define _NORTC_MDAY 9
#define _NORTC_YEAR 2014
/* The _FS_NORTC option switches timestamp feature. If the system does not have
/  an RTC function or valid timestamp is not needed, set _FS_NORTC to 1 to disable
/  the timestamp feature. All objects modified by FatFs will have a fixed timestamp
/  defined by _NORTC_MON, _NORTC_MDAY and _NORTC_YEAR.
/  When timestamp feature is enabled (_FS_NORTC	== 0), get_fattime() function need
/  to be added to the project to read current time form RTC. _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 3 //可以同时打开3个文件，0表示只能打开1个。

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

#define _FS_REENTRANT 0
#define _FS_TIMEOUT   1000
#define _SYNC_t       HANDLE
/* The _FS_REENTRANT option 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 feature.
/
/   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.. */

#define _WORD_ACCESS 0
/* The _WORD_ACCESS option is an only platform dependent option. It defines
/  which access method is used to the word data on the FAT volume.
/
/   0: Byte-by-byte access. Always compatible with all platforms.
/   1: Word access. Do not choose this unless under both the following conditions.
/
/  * Address misaligned memory access is always allowed to ALL instructions.
/  * Byte order on the memory is little-endian.
/
/  If it is the case, _WORD_ACCESS can also be set to 1 to reduce code size.
/  Following table shows allowable settings of some processor types.
/
/   ARM7TDMI    0           ColdFire    0           V850E       0
/   Cortex-M3   0           Z80         0/1         V850ES      0/1
/   Cortex-M0   0           x86         0/1         TLCS-870    0/1
/   AVR         0/1         RX600(LE)   0/1         TLCS-900    0/1
/   AVR32       0           RL78        0           R32C        0
/   PIC18       0/1         SH-2        0           M16C        0/1
/   PIC24       0           H8S         0           MSP430      0
/   PIC32       0           H8/300H     0           8051        0/1
*/