text: /**
    *
    *  Portions COPYRIGHT 2017 STMicroelectronics
    *  Copyright (C) 2017, ChaN, all right reserved.
    *
    ******************************************************************************
    * @file    FatFs/FatFs_uSD_Standalone/Inc/ffconf.h
    * @author  MCD Application Team
    * @brief   FatFs configuration file
    ******************************************************************************
    * @attention
    *
    * Copyright (c) 2017 STMicroelectronics.
    * All rights reserved.
    *
    * This software is licensed under terms that can be found in the LICENSE file
    * in the root directory of this software component.
    * If no LICENSE file comes with this software, it is provided AS-IS.
    *
    ******************************************************************************
    */
  
  /*---------------------------------------------------------------------------/
  /  FatFs - FAT file system module configuration file
  /---------------------------------------------------------------------------*/
  
  #define _FFCONF 68300	/* 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
  /---------------------------------------------------------------------------*/
  
  #define _CODE_PAGE	850
  /* 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)
  */
  
  
  #define	_USE_LFN	3
  #define	_MAX_LFN	255
  /* 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. */
  
  
  #define	_LFN_UNICODE	0
  /* 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
  /---------------------------------------------------------------------------*/
  
  #define _VOLUMES	1
  /* 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
  #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 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. */
  
  
  #define _FS_EXFAT	0
  /* 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	2
  /* 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. */
  
  #define _FS_REENTRANT	0
  #define _FS_TIMEOUT		1000
  #define	_SYNC_t                 NULL
  /* 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  */
  
  /* define the ff_malloc ff_free macros as standard malloc free */
  #if !defined(ff_malloc) && !defined(ff_free)
  #include <stdlib.h>
  #define ff_malloc  malloc
  #define ff_free  free
  #endif
  
  /*--- End of configuration options ---*/
  