Merge pull request #3681 from cliff-cmc/master

[components] dfs: update elmfat to R0.14 patch 1

components/dfs/Kconfig

@@ -78,6 +78,30 @@ if RT_USING_DFS
             default 2 if RT_DFS_ELM_USE_LFN_2
             default 3 if RT_DFS_ELM_USE_LFN_3
 
+        choice
+            prompt "Support unicode for long file name"
+            default RT_DFS_ELM_LFN_UNICODE_0
+
+            config RT_DFS_ELM_LFN_UNICODE_0
+                bool "0: ANSI/OEM in current CP (TCHAR = char)"
+
+            config RT_DFS_ELM_LFN_UNICODE_1
+                bool "1: Unicode in UTF-16 (TCHAR = WCHAR)"
+
+            config RT_DFS_ELM_LFN_UNICODE_2
+                bool "2: Unicode in UTF-8 (TCHAR = char)"
+
+            config RT_DFS_ELM_LFN_UNICODE_3
+                bool "3: Unicode in UTF-32 (TCHAR = DWORD)"
+        endchoice
+
+        config RT_DFS_ELM_LFN_UNICODE
+            int
+            default 0 if RT_DFS_ELM_LFN_UNICODE_0
+            default 1 if RT_DFS_ELM_LFN_UNICODE_1
+            default 2 if RT_DFS_ELM_LFN_UNICODE_2
+            default 3 if RT_DFS_ELM_LFN_UNICODE_3
+
         config RT_DFS_ELM_MAX_LFN
             int "Maximal size of file name length"
             range 12 255

components/dfs/filesystems/elmfat/00history.txt

@@ -212,7 +212,7 @@ R0.10a (January 15, 2014)
 R0.10b (May 19, 2014)
 
   Fixed a hard error in the disk I/O layer can collapse the directory entry.
-  Fixed LFN entry is not deleted on delete/rename an object with lossy converted SFN. (appeared at R0.07)
+  Fixed LFN entry is not deleted when delete/rename an object with lossy converted SFN. (appeared at R0.07)
 
 
 
@@ -268,7 +268,7 @@ R0.12a (July 10, 2016)
 
 R0.12b (September 04, 2016)
 
-  Improved f_rename() to be able to rename objects with the same name but case.
+  Made f_rename() be able to rename objects with the same name but case.
   Fixed an error in the case conversion teble of code page 866. (ff.c)
   Fixed writing data is truncated at the file offset 4GiB on the exFAT volume. (appeared at R0.12)
   Fixed creating a file in the root directory of exFAT volume can fail. (appeared at R0.12)
@@ -277,3 +277,64 @@ R0.12b (September 04, 2016)
   Fixed large file allocation/removing on the exFAT volume collapses allocation bitmap. (appeared at R0.12)
   Fixed some internal errors in f_expand() and f_lseek(). (appeared at R0.12)
 
+
+
+R0.12c (March 04, 2017)
+
+  Improved write throughput at the fragmented file on the exFAT volume.
+  Made memory usage for exFAT be able to be reduced as decreasing _MAX_LFN.
+  Fixed successive f_getfree() can return wrong count on the FAT12/16 volume. (appeared at R0.12)
+  Fixed configuration option _VOLUMES cannot be set 10. (appeared at R0.10c)
+
+
+
+R0.13 (May 21, 2017)
+
+  Changed heading character of configuration keywords "_" to "FF_".
+  Removed ASCII-only configuration, FF_CODE_PAGE = 1. Use FF_CODE_PAGE = 437 instead.
+  Added f_setcp(), run-time code page configuration. (FF_CODE_PAGE = 0)
+  Improved cluster allocation time on stretch a deep buried cluster chain.
+  Improved processing time of f_mkdir() with large cluster size by using FF_USE_LFN = 3.
+  Improved NoFatChain flag of the fragmented file to be set after it is truncated and got contiguous.
+  Fixed archive attribute is left not set when a file on the exFAT volume is renamed. (appeared at R0.12)
+  Fixed exFAT FAT entry can be collapsed when write or lseek operation to the existing file is done. (appeared at R0.12c)
+  Fixed creating a file can fail when a new cluster allocation to the exFAT directory occures. (appeared at R0.12c)
+
+
+
+R0.13a (October 14, 2017)
+
+  Added support for UTF-8 encoding on the API. (FF_LFN_UNICODE = 2)
+  Added options for file name output buffer. (FF_LFN_BUF, FF_SFN_BUF).
+  Added dynamic memory allocation option for working buffer of f_mkfs() and f_fdisk().
+  Fixed f_fdisk() and f_mkfs() create the partition table with wrong CHS parameters. (appeared at R0.09)
+  Fixed f_unlink() can cause lost clusters at fragmented file on the exFAT volume. (appeared at R0.12c)
+  Fixed f_setlabel() rejects some valid characters for exFAT volume. (appeared at R0.12)
+
+
+
+R0.13b (April 07, 2018)
+
+  Added support for UTF-32 encoding on the API. (FF_LFN_UNICODE = 3)
+  Added support for Unix style volume ID. (FF_STR_VOLUME_ID = 2)
+  Fixed accesing any object on the exFAT root directory beyond the cluster boundary can fail. (appeared at R0.12c)
+  Fixed f_setlabel() does not reject some invalid characters. (appeared at R0.09b)
+
+
+
+R0.13c (October 14, 2018)
+  Supported stdint.h for C99 and later. (integer.h was included in ff.h)
+  Fixed reading a directory gets infinite loop when the last directory entry is not empty. (appeared at R0.12)
+  Fixed creating a sub-directory in the fragmented sub-directory on the exFAT volume collapses FAT chain of the parent directory. (appeared at R0.12)
+  Fixed f_getcwd() cause output buffer overrun when the buffer has a valid drive number. (appeared at R0.13b)
+
+
+
+R0.14 (October 14, 2019)
+  Added support for 64-bit LBA and GUID partition table (FF_LBA64 = 1)
+  Changed some API functions, f_mkfs() and f_fdisk().
+  Fixed f_open() function cannot find the file with file name in length of FF_MAX_LFN characters.
+  Fixed f_readdir() function cannot retrieve long file names in length of FF_MAX_LFN - 1 characters.
+  Fixed f_readdir() function returns file names with wrong case conversion. (appeared at R0.12)
+  Fixed f_mkfs() function can fail to create exFAT volume in the second partition. (appeared at R0.12)
+

components/dfs/filesystems/elmfat/00readme.txt

-FatFs Module Source Files R0.12a
+FatFs Module Source Files R0.14
 
 
 FILES
 
-  00readme.txt This file.
-  history.txt  Revision history.
-  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.
+  00readme.txt   This file.
+  00history.txt  Revision history.
+  ff.c           FatFs module.
+  ffconf.h       Configuration file of FatFs module.
+  ff.h           Common include file for FatFs and application 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.
+  ffunicode.c    Optional Unicode utility functions.
+  ffsystem.c     An example of optional O/S related 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 the target storage device.
+  module is only a generic file system layer and it does not depend on any specific
+  storage device. You need to provide a low level disk I/O module written to
+  control the storage device that attached to the target system.
 

components/dfs/filesystems/elmfat/SConscript

@@ -6,21 +6,6 @@ cwd = GetCurrentDir()
 src = Glob('*.c')
 CPPPATH = [cwd]
 
-if GetDepend('RT_DFS_ELM_USE_LFN'):
-    if GetDepend('RT_DFS_ELM_CODE_PAGE_FILE'):
-        src += ['option/ccfile.c']
-    else:
-        if GetConfigValue('RT_DFS_ELM_CODE_PAGE') == 932:
-            src += ['option/cc932.c']
-        elif GetConfigValue('RT_DFS_ELM_CODE_PAGE') == 936:
-            src += ['option/cc936.c']
-        elif GetConfigValue('RT_DFS_ELM_CODE_PAGE') == 949:
-            src += ['option/cc949.c']
-        elif GetConfigValue('RT_DFS_ELM_CODE_PAGE') == 950:
-            src += ['option/cc950.c']
-        else:
-            src += ['option/ccsbcs.c']
-
 group = DefineGroup('Filesystem', src, depend = ['RT_USING_DFS', 'RT_USING_DFS_ELMFAT'], CPPPATH = CPPPATH)
 
 Return('group')

components/dfs/filesystems/elmfat/dfs_elm.c

@@ -29,7 +29,7 @@
 #include <dfs_fs.h>
 #include <dfs_file.h>
 
-static rt_device_t disk[_VOLUMES] = {0};
+static rt_device_t disk[FF_VOLUMES] = {0};
 
 static int elm_result_to_dfs(FRESULT result)
 {
@@ -86,7 +86,7 @@ static int get_disk(rt_device_t id)
 {
     int index;
 
-    for (index = 0; index < _VOLUMES; index ++)
+    for (index = 0; index < FF_VOLUMES; index ++)
     {
         if (disk[index] == id)
             return index;
@@ -101,7 +101,7 @@ int dfs_elm_mount(struct dfs_filesystem *fs, unsigned long rwflag, const void *d
     FRESULT result;
     int index;
     struct rt_device_blk_geometry geometry;
-    char logic_nbr[2] = {'0', ':'};
+    char logic_nbr[3] = {'0',':', 0};
 
     /* get an empty position */
     index = get_disk(RT_NULL);
@@ -114,7 +114,7 @@ int dfs_elm_mount(struct dfs_filesystem *fs, unsigned long rwflag, const void *d
     /* check sector size */
     if (rt_device_control(fs->dev_id, RT_DEVICE_CTRL_BLK_GETGEOME, &geometry) == RT_EOK)
     {
-        if (geometry.bytes_per_sector > _MAX_SS)
+        if (geometry.bytes_per_sector > FF_MAX_SS)
         {
             rt_kprintf("The sector size of device is greater than the sector size of FAT.\n");
             return -EINVAL;
@@ -168,7 +168,7 @@ int dfs_elm_unmount(struct dfs_filesystem *fs)
     FATFS *fat;
     FRESULT result;
     int  index;
-    char logic_nbr[2] = {'0', ':'};
+    char logic_nbr[3] = {'0',':', 0};
 
     fat = (FATFS *)fs->data;
 
@@ -180,7 +180,7 @@ int dfs_elm_unmount(struct dfs_filesystem *fs)
         return -ENOENT;
 
     logic_nbr[0] = '0' + index;
-    result = f_mount(RT_NULL, logic_nbr, (BYTE)1);
+    result = f_mount(RT_NULL, logic_nbr, (BYTE)0);
     if (result != FR_OK)
         return elm_result_to_dfs(result);
 
@@ -200,11 +200,11 @@ int dfs_elm_mkfs(rt_device_t dev_id)
     int flag;
     FRESULT result;
     int index;
-    char logic_nbr[2] = {'0', ':'};
+    char logic_nbr[3] = {'0',':', 0};
+    MKFS_PARM opt;
 
-    work = (BYTE *)rt_malloc(_MAX_SS);
-    if (RT_NULL == work)
-    {
+    work = rt_malloc(FF_MAX_SS);
+    if(RT_NULL == work) {
         return -ENOMEM;
     }
 
@@ -263,12 +263,12 @@ int dfs_elm_mkfs(rt_device_t dev_id)
 
     /* [IN] Logical drive number */
     /* [IN] Format options */
-    /* [IN] Size of the allocation unit */
     /* [-]  Working buffer */
     /* [IN] Size of working buffer */
-    result = f_mkfs(logic_nbr, FM_ANY | FM_SFD, 0, work, _MAX_SS);
-    rt_free(work);
-    work = RT_NULL;
+    memset(&opt, 0, sizeof(opt));
+    opt.fmt = FM_ANY|FM_SFD;
+    result = f_mkfs(logic_nbr, &opt, work, FF_MAX_SS);
+    rt_free(work); work = RT_NULL;
 
     /* check flag status, we need clear the temp driver stored in disk[] */
     if (flag == FSM_STATUS_USE_TEMP_DRIVER)
@@ -282,7 +282,7 @@ int dfs_elm_mkfs(rt_device_t dev_id)
 
     if (result != FR_OK)
     {
-        rt_kprintf("format error\n");
+        rt_kprintf("format error, result=%d\n", result);
         return elm_result_to_dfs(result);
     }
 
@@ -301,7 +301,7 @@ int dfs_elm_statfs(struct dfs_filesystem *fs, struct statfs *buf)
 
     f = (FATFS *)fs->data;
 
-    rt_snprintf(driver, sizeof(driver), "%d:", f->drv);
+    rt_snprintf(driver, sizeof(driver), "%d:", f->pdrv);
     res = f_getfree(driver, &fre_clust, &f);
     if (res)
         return elm_result_to_dfs(res);
@@ -312,7 +312,7 @@ int dfs_elm_statfs(struct dfs_filesystem *fs, struct statfs *buf)
 
     buf->f_bfree = fre_sect;
     buf->f_blocks = tot_sect;
-#if _MAX_SS != 512
+#if FF_MAX_SS != 512
     buf->f_bsize = f->ssize;
 #else
     buf->f_bsize = 512;
@@ -328,7 +328,7 @@ int dfs_elm_open(struct dfs_fd *file)
     FRESULT result;
     char *drivers_fn;
 
-#if (_VOLUMES > 1)
+#if (FF_VOLUMES > 1)
     int vol;
     struct dfs_filesystem *fs = (struct dfs_filesystem *)file->data;
     extern int elm_get_vol(FATFS * fat);
@@ -358,7 +358,7 @@ int dfs_elm_open(struct dfs_fd *file)
             result = f_mkdir(drivers_fn);
             if (result != FR_OK)
             {
-#if _VOLUMES > 1
+#if FF_VOLUMES > 1
                 rt_free(drivers_fn);
 #endif
                 return elm_result_to_dfs(result);
@@ -369,14 +369,14 @@ int dfs_elm_open(struct dfs_fd *file)
         dir = (DIR *)rt_malloc(sizeof(DIR));
         if (dir == RT_NULL)
         {
-#if _VOLUMES > 1
+#if FF_VOLUMES > 1
             rt_free(drivers_fn);
 #endif
             return -ENOMEM;
         }
 
         result = f_opendir(dir, drivers_fn);
-#if _VOLUMES > 1
+#if FF_VOLUMES > 1
         rt_free(drivers_fn);
 #endif
         if (result != FR_OK)
@@ -410,14 +410,14 @@ int dfs_elm_open(struct dfs_fd *file)
         fd = (FIL *)rt_malloc(sizeof(FIL));
         if (fd == RT_NULL)
         {
-#if _VOLUMES > 1
+#if FF_VOLUMES > 1
             rt_free(drivers_fn);
 #endif
             return -ENOMEM;
         }
 
         result = f_open(fd, drivers_fn, mode);
-#if _VOLUMES > 1
+#if FF_VOLUMES > 1
         rt_free(drivers_fn);
 #endif
         if (result == FR_OK)
@@ -633,7 +633,7 @@ int dfs_elm_getdents(struct dfs_fd *file, struct dirent *dirp, uint32_t count)
         if (result != FR_OK || fno.fname[0] == 0)
             break;
 
-#if _USE_LFN
+#if FF_USE_LFN
         fn = *fno.fname ? fno.fname : fno.altname;
 #else
         fn = fno.fname;
@@ -666,7 +666,7 @@ int dfs_elm_unlink(struct dfs_filesystem *fs, const char *path)
 {
     FRESULT result;
 
-#if _VOLUMES > 1
+#if FF_VOLUMES > 1
     int vol;
     char *drivers_fn;
     extern int elm_get_vol(FATFS * fat);
@@ -686,7 +686,7 @@ int dfs_elm_unlink(struct dfs_filesystem *fs, const char *path)
 #endif
 
     result = f_unlink(drivers_fn);
-#if _VOLUMES > 1
+#if FF_VOLUMES > 1
     rt_free(drivers_fn);
 #endif
     return elm_result_to_dfs(result);
@@ -696,7 +696,7 @@ int dfs_elm_rename(struct dfs_filesystem *fs, const char *oldpath, const char *n
 {
     FRESULT result;
 
-#if _VOLUMES > 1
+#if FF_VOLUMES > 1
     char *drivers_oldfn;
     const char *drivers_newfn;
     int vol;
@@ -721,7 +721,7 @@ int dfs_elm_rename(struct dfs_filesystem *fs, const char *oldpath, const char *n
 #endif
 
     result = f_rename(drivers_oldfn, drivers_newfn);
-#if _VOLUMES > 1
+#if FF_VOLUMES > 1
     rt_free(drivers_oldfn);
 #endif
     return elm_result_to_dfs(result);
@@ -732,7 +732,7 @@ int dfs_elm_stat(struct dfs_filesystem *fs, const char *path, struct stat *st)
     FILINFO file_info;
     FRESULT result;
 
-#if _VOLUMES > 1
+#if FF_VOLUMES > 1
     int vol;
     char *drivers_fn;
     extern int elm_get_vol(FATFS * fat);
@@ -752,7 +752,7 @@ int dfs_elm_stat(struct dfs_filesystem *fs, const char *path, struct stat *st)
 #endif
 
     result = f_stat(drivers_fn, &file_info);
-#if _VOLUMES > 1
+#if FF_VOLUMES > 1
     rt_free(drivers_fn);
 #endif
     if (result == FR_OK)
@@ -973,8 +973,8 @@ DWORD get_fattime(void)
     return fat_time;
 }
 
-#if _FS_REENTRANT
-int ff_cre_syncobj(BYTE drv, _SYNC_t *m)
+#if FF_FS_REENTRANT
+int ff_cre_syncobj(BYTE drv, FF_SYNC_t *m)
 {
     char name[8];
     rt_mutex_t mutex;
@@ -990,7 +990,7 @@ int ff_cre_syncobj(BYTE drv, _SYNC_t *m)
     return RT_FALSE;
 }
 
-int ff_del_syncobj(_SYNC_t m)
+int ff_del_syncobj(FF_SYNC_t m)
 {
     if (m != RT_NULL)
         rt_mutex_delete(m);
@@ -998,15 +998,15 @@ int ff_del_syncobj(_SYNC_t m)
     return RT_TRUE;
 }
 
-int ff_req_grant(_SYNC_t m)
+int ff_req_grant(FF_SYNC_t m)
 {
-    if (rt_mutex_take(m, _FS_TIMEOUT) == RT_EOK)
+    if (rt_mutex_take(m, FF_FS_TIMEOUT) == RT_EOK)
         return RT_TRUE;
 
     return RT_FALSE;
 }
 
-void ff_rel_grant(_SYNC_t m)
+void ff_rel_grant(FF_SYNC_t m)
 {
     rt_mutex_release(m);
 }
@@ -1014,7 +1014,7 @@ void ff_rel_grant(_SYNC_t m)
 #endif
 
 /* Memory functions */
-#if _USE_LFN == 3
+#if FF_USE_LFN == 3
 /* Allocate memory block */
 void *ff_memalloc(UINT size)
 {
@@ -1026,5 +1026,5 @@ void ff_memfree(void *mem)
 {
     rt_free(mem);
 }
-#endif /* _USE_LFN == 3 */
+#endif /* FF_USE_LFN == 3 */
 

components/dfs/filesystems/elmfat/diskio.h

 /*-----------------------------------------------------------------------/
-/  Low level disk interface modlue include file   (C)ChaN, 2014          /
+/  Low level disk interface modlue include file   (C)ChaN, 2019          /
 /-----------------------------------------------------------------------*/
 
 #ifndef _DISKIO_DEFINED
@@ -9,9 +9,6 @@
 extern "C" {
 #endif
 
-#include "integer.h"
-
-
 /* Status of Disk Functions */
 typedef BYTE	DSTATUS;
 
@@ -31,8 +28,8 @@ typedef enum {
 
 DSTATUS disk_initialize (BYTE pdrv);
 DSTATUS disk_status (BYTE pdrv);
-DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count);
-DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);
+DRESULT disk_read (BYTE pdrv, BYTE* buff, LBA_t sector, UINT count);
+DRESULT disk_write (BYTE pdrv, const BYTE* buff, LBA_t sector, UINT count);
 DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
 
 
@@ -46,11 +43,11 @@ DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
 /* Command code for disk_ioctrl fucntion */
 
 /* Generic command (Used by FatFs) */
-#define CTRL_SYNC			0	/* Complete pending write process (needed at _FS_READONLY == 0) */
-#define GET_SECTOR_COUNT	1	/* Get media size (needed at _USE_MKFS == 1) */
-#define GET_SECTOR_SIZE		2	/* Get sector size (needed at _MAX_SS != _MIN_SS) */
-#define GET_BLOCK_SIZE		3	/* Get erase block size (needed at _USE_MKFS == 1) */
-#define CTRL_TRIM			4	/* Inform device that the data on the block of sectors is no longer used (needed at _USE_TRIM == 1) */
+#define CTRL_SYNC			0	/* Complete pending write process (needed at FF_FS_READONLY == 0) */
+#define GET_SECTOR_COUNT	1	/* Get media size (needed at FF_USE_MKFS == 1) */
+#define GET_SECTOR_SIZE		2	/* Get sector size (needed at FF_MAX_SS != FF_MIN_SS) */
+#define GET_BLOCK_SIZE		3	/* Get erase block size (needed at FF_USE_MKFS == 1) */
+#define CTRL_TRIM			4	/* Inform device that the data on the block of sectors is no longer used (needed at FF_USE_TRIM == 1) */
 
 /* Generic command (Not used by FatFs) */
 #define CTRL_POWER			5	/* Get/Set power status */

components/dfs/filesystems/elmfat/ff.h

 /*----------------------------------------------------------------------------/
-/  FatFs - Generic FAT file system module  R0.12b                             /
+/  FatFs - Generic FAT Filesystem module  R0.14                               /
 /-----------------------------------------------------------------------------/
 /
-/ Copyright (C) 2016, ChaN, all right reserved.
+/ Copyright (C) 2019, ChaN, all right reserved.
 /
 / FatFs module is an open source software. Redistribution and use of FatFs in
 / source and binary forms, with or without modification, are permitted provided
@@ -15,109 +15,149 @@
 / and any warranties related to this software are DISCLAIMED.
 / The copyright owner or contributors be NOT LIABLE for any damages caused
 / by use of this software.
+/
 /----------------------------------------------------------------------------*/
 
 
-#ifndef _FATFS
-#define _FATFS	68020	/* Revision ID */
+#ifndef FF_DEFINED
+#define FF_DEFINED	86606	/* Revision ID */
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #include <rtthread.h>
-#include "integer.h"	/* Basic integer types */
-#include "ffconf.h"	/* FatFs configuration options */
+#include "ffconf.h"		/* FatFs configuration options */
 
-#if _FATFS != _FFCONF
+#if FF_DEFINED != FFCONF_DEF
 #error Wrong configuration file (ffconf.h).
 #endif
 
 
+/* Integer types used for FatFs API */
+
+#if defined(_WIN32)	/* Main development platform */
+#define FF_INTDEF 2
+#include <windows.h>
+typedef unsigned __int64 QWORD;
+#elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__cplusplus)	/* C99 or later */
+#define FF_INTDEF 2
+#include <stdint.h>
+typedef unsigned int	UINT;	/* int must be 16-bit or 32-bit */
+typedef unsigned char	BYTE;	/* char must be 8-bit */
+typedef uint16_t		WORD;	/* 16-bit unsigned integer */
+typedef uint32_t		DWORD;	/* 32-bit unsigned integer */
+typedef uint64_t		QWORD;	/* 64-bit unsigned integer */
+typedef WORD			WCHAR;	/* UTF-16 character type */
+#else  	/* Earlier than C99 */
+#define FF_INTDEF 1
+typedef unsigned int	UINT;	/* int must be 16-bit or 32-bit */
+typedef unsigned char	BYTE;	/* char must be 8-bit */
+typedef unsigned short	WORD;	/* 16-bit unsigned integer */
+typedef unsigned long	DWORD;	/* 32-bit unsigned integer */
+typedef WORD			WCHAR;	/* UTF-16 character type */
+#endif
+
 
 /* Definitions of volume management */
 
-#if _MULTI_PARTITION		/* Multiple partition configuration */
+#if FF_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			/* Find first valid partition or in SFD */
+extern PARTITION VolToPart[];	/* Volume - Partition mapping table */
+#endif
 
+#if FF_STR_VOLUME_ID
+#ifndef FF_VOLUME_STRS
+extern const char* VolumeStr[FF_VOLUMES];	/* User defied volume ID */
+#endif
 #endif
 
 
 
 /* Type of path name strings on FatFs API */
 
-#if _LFN_UNICODE			/* Unicode (UTF-16) string */
-#if _USE_LFN == 0
-#error _LFN_UNICODE must be 0 at non-LFN cfg.
-#endif
 #ifndef _INC_TCHAR
+#define _INC_TCHAR
+
+#if FF_USE_LFN && FF_LFN_UNICODE == 1 	/* Unicode in UTF-16 encoding */
 typedef WCHAR TCHAR;
 #define _T(x) L ## x
 #define _TEXT(x) L ## x
-#endif
-#else						/* ANSI/OEM string */
-#ifndef _INC_TCHAR
+#elif FF_USE_LFN && FF_LFN_UNICODE == 2	/* Unicode in UTF-8 encoding */
+typedef char TCHAR;
+#define _T(x) u8 ## x
+#define _TEXT(x) u8 ## x
+#elif FF_USE_LFN && FF_LFN_UNICODE == 3	/* Unicode in UTF-32 encoding */
+typedef DWORD TCHAR;
+#define _T(x) U ## x
+#define _TEXT(x) U ## x
+#elif FF_USE_LFN && (FF_LFN_UNICODE < 0 || FF_LFN_UNICODE > 3)
+#error Wrong FF_LFN_UNICODE setting
+#else									/* ANSI/OEM code in SBCS/DBCS */
 typedef char TCHAR;
 #define _T(x) x
 #define _TEXT(x) x
 #endif
+
 #endif
 
 
 
-/* Type of file size variables */
+/* Type of file size and LBA variables */
 
-#if _FS_EXFAT
-#if _USE_LFN == 0
-#error LFN must be enabled when enable exFAT
+#if FF_FS_EXFAT
+#if FF_INTDEF != 2
+#error exFAT feature wants C99 or later
 #endif
 typedef QWORD FSIZE_t;
+#if FF_LBA64
+typedef QWORD LBA_t;
 #else
+typedef DWORD LBA_t;
+#endif
+#else
+#if FF_LBA64
+#error exFAT needs to be enabled when enable 64-bit LBA
+#endif
 typedef DWORD FSIZE_t;
+typedef DWORD LBA_t;
 #endif
 
 
 
-/* File system object structure (FATFS) */
+/* Filesystem object structure (FATFS) */
 
 typedef struct {
-	BYTE	fs_type;		/* File system type (0:N/A) */
-	BYTE	drv;			/* Physical drive number */
+	BYTE	fs_type;		/* Filesystem type (0:not mounted) */
+	BYTE	pdrv;			/* Associated physical drive */
 	BYTE	n_fats;			/* Number of FATs (1 or 2) */
 	BYTE	wflag;			/* win[] flag (b0:dirty) */
 	BYTE	fsi_flag;		/* FSINFO flags (b7:disabled, b0:dirty) */
-	WORD	id;				/* File system mount ID */
+	WORD	id;				/* Volume mount ID */
 	WORD	n_rootdir;		/* Number of root directory entries (FAT12/16) */
 	WORD	csize;			/* Cluster size [sectors] */
-#if _MAX_SS != _MIN_SS
+#if FF_MAX_SS != FF_MIN_SS
 	WORD	ssize;			/* Sector size (512, 1024, 2048 or 4096) */
 #endif
-#if _USE_LFN != 0
+#if FF_USE_LFN
 	WCHAR*	lfnbuf;			/* LFN working buffer */
 #endif
-#if _FS_EXFAT
-	BYTE*	dirbuf;			/* Directory entry block scratchpad buffer */
+#if FF_FS_EXFAT
+	BYTE*	dirbuf;			/* Directory entry block scratchpad buffer for exFAT */
 #endif
-#if _FS_REENTRANT
-	_SYNC_t	sobj;			/* Identifier of sync object */
+#if FF_FS_REENTRANT
+	FF_SYNC_t	sobj;		/* Identifier of sync object */
 #endif
-#if !_FS_READONLY
+#if !FF_FS_READONLY
 	DWORD	last_clst;		/* Last allocated cluster */
 	DWORD	free_clst;		/* Number of free clusters */
 #endif
-#if _FS_RPATH != 0
+#if FF_FS_RPATH
 	DWORD	cdir;			/* Current directory start cluster (0:root) */
-#if _FS_EXFAT
+#if FF_FS_EXFAT
 	DWORD	cdc_scl;		/* Containing directory start cluster (invalid when cdir is 0) */
 	DWORD	cdc_size;		/* b31-b8:Size of containing directory, b7-b0: Chain status */
 	DWORD	cdc_ofs;		/* Offset in the containing directory (invalid when cdir is 0) */
@@ -125,56 +165,60 @@ typedef struct {
 #endif
 	DWORD	n_fatent;		/* Number of FAT entries (number of clusters + 2) */
 	DWORD	fsize;			/* Size of an FAT [sectors] */
-	DWORD	volbase;		/* Volume base sector */
-	DWORD	fatbase;		/* FAT base sector */
-	DWORD	dirbase;		/* Root directory base sector/cluster */
-	DWORD	database;		/* Data base sector */
-	DWORD	winsect;		/* Current sector appearing in the win[] */
-	BYTE	win[_MAX_SS];	/* Disk access window for Directory, FAT (and file data at tiny cfg) */
+	LBA_t	volbase;		/* Volume base sector */
+	LBA_t	fatbase;		/* FAT base sector */
+	LBA_t	dirbase;		/* Root directory base sector/cluster */
+	LBA_t	database;		/* Data base sector */
+#if FF_FS_EXFAT
+	LBA_t	bitbase;		/* Allocation bitmap base sector */
+#endif
+	LBA_t	winsect;		/* Current sector appearing in the win[] */
+	BYTE	win[FF_MAX_SS];	/* Disk access window for Directory, FAT (and file data at tiny cfg) */
 } FATFS;
 
 
 
-/* Object ID and allocation information (_FDID) */
+/* Object ID and allocation information (FFOBJID) */
 
 typedef struct {
-	FATFS*	fs;			/* Pointer to the owner file system object */
-	WORD	id;			/* Owner file system mount ID */
-	BYTE	attr;		/* Object attribute */
-	BYTE	stat;		/* Object chain status (b1-0: =0:not contiguous, =2:contiguous (no data on FAT), =3:got flagmented, b2:sub-directory stretched) */
-	DWORD	sclust;		/* Object start cluster (0:no cluster or root directory) */
-	FSIZE_t	objsize;	/* Object size (valid when sclust != 0) */
-#if _FS_EXFAT
-	DWORD	n_cont;		/* Size of coutiguous part, clusters - 1 (valid when stat == 3) */
-	DWORD	c_scl;		/* Containing directory start cluster (valid when sclust != 0) */
-	DWORD	c_size;		/* b31-b8:Size of containing directory, b7-b0: Chain status (valid when c_scl != 0) */
-	DWORD	c_ofs;		/* Offset in the containing directory (valid when sclust != 0) */
+	FATFS*	fs;				/* Pointer to the hosting volume of this object */
+	WORD	id;				/* Hosting volume mount ID */
+	BYTE	attr;			/* Object attribute */
+	BYTE	stat;			/* Object chain status (b1-0: =0:not contiguous, =2:contiguous, =3:fragmented in this session, b2:sub-directory stretched) */
+	DWORD	sclust;			/* Object data start cluster (0:no cluster or root directory) */
+	FSIZE_t	objsize;		/* Object size (valid when sclust != 0) */
+#if FF_FS_EXFAT
+	DWORD	n_cont;			/* Size of first fragment - 1 (valid when stat == 3) */
+	DWORD	n_frag;			/* Size of last fragment needs to be written to FAT (valid when not zero) */
+	DWORD	c_scl;			/* Containing directory start cluster (valid when sclust != 0) */
+	DWORD	c_size;			/* b31-b8:Size of containing directory, b7-b0: Chain status (valid when c_scl != 0) */
+	DWORD	c_ofs;			/* Offset in the containing directory (valid when file object and sclust != 0) */
 #endif
-#if _FS_LOCK != 0
-	UINT	lockid;		/* File lock ID origin from 1 (index of file semaphore table Files[]) */
+#if FF_FS_LOCK
+	UINT	lockid;			/* File lock ID origin from 1 (index of file semaphore table Files[]) */
 #endif
-} _FDID;
+} FFOBJID;
 
 
 
 /* File object structure (FIL) */
 
 typedef struct {
-	_FDID	obj;			/* Object identifier (must be the 1st member to detect invalid object pointer) */
+	FFOBJID	obj;			/* Object identifier (must be the 1st member to detect invalid object pointer) */
 	BYTE	flag;			/* File status flags */
 	BYTE	err;			/* Abort flag (error code) */
 	FSIZE_t	fptr;			/* File read/write pointer (Zeroed on file open) */
-	DWORD	clust;			/* Current cluster of fpter (invalid when fprt is 0) */
-	DWORD	sect;			/* Sector number appearing in buf[] (0:invalid) */
-#if !_FS_READONLY
-	DWORD	dir_sect;		/* Sector number containing the directory entry */
-	BYTE*	dir_ptr;		/* Pointer to the directory entry in the win[] */
+	DWORD	clust;			/* Current cluster of fpter (invalid when fptr is 0) */
+	LBA_t	sect;			/* Sector number appearing in buf[] (0:invalid) */
+#if !FF_FS_READONLY
+	LBA_t	dir_sect;		/* Sector number containing the directory entry (not used at exFAT) */
+	BYTE*	dir_ptr;		/* Pointer to the directory entry in the win[] (not used at exFAT) */
 #endif
-#if _USE_FASTSEEK
+#if FF_USE_FASTSEEK
 	DWORD*	cltbl;			/* Pointer to the cluster link map table (nulled on open, set by application) */
 #endif
-#if !_FS_TINY
-	BYTE	buf[_MAX_SS];	/* File private data read/write window */
+#if !FF_FS_TINY
+	BYTE	buf[FF_MAX_SS];	/* File private data read/write window */
 #endif
 } FIL;
 
@@ -183,16 +227,16 @@ typedef struct {
 /* Directory object structure (DIR) */
 
 typedef struct {
-	_FDID	obj;			/* Object identifier */
+	FFOBJID	obj;			/* Object identifier */
 	DWORD	dptr;			/* Current read/write offset */
 	DWORD	clust;			/* Current cluster */
-	DWORD	sect;			/* Current sector */
+	LBA_t	sect;			/* Current sector (0:Read operation has terminated) */
 	BYTE*	dir;			/* Pointer to the directory item in the win[] */
 	BYTE	fn[12];			/* SFN (in/out) {body[8],ext[3],status[1]} */
-#if _USE_LFN != 0
+#if FF_USE_LFN
 	DWORD	blk_ofs;		/* Offset of current entry block being processed (0xFFFFFFFF:Invalid) */
 #endif
-#if _USE_FIND
+#if FF_USE_FIND
 	const TCHAR* pat;		/* Pointer to the name matching pattern */
 #endif
 } DIR;
@@ -206,16 +250,28 @@ typedef struct {
 	WORD	fdate;			/* Modified date */
 	WORD	ftime;			/* Modified time */
 	BYTE	fattrib;		/* File attribute */
-#if _USE_LFN != 0
-	TCHAR	altname[13];			/* Altenative file name */
-	TCHAR	fname[_MAX_LFN + 1];	/* Primary file name */
+#if FF_USE_LFN
+	TCHAR	altname[FF_SFN_BUF + 1];/* Altenative file name */
+	TCHAR	fname[FF_LFN_BUF + 1];	/* Primary file name */
 #else
-	TCHAR	fname[13];		/* File name */
+	TCHAR	fname[12 + 1];	/* File name */
 #endif
 } FILINFO;
 
 
 
+/* Format parameter structure (MKFS_PARM) */
+
+typedef struct {
+	BYTE fmt;			/* Format option (FM_FAT, FM_FAT32, FM_EXFAT and FM_SFD) */
+	BYTE n_fat;			/* Number of FATs */
+	UINT align;			/* Data area alignment (sector) */
+	UINT n_root;		/* Number of root directory entries */
+	DWORD au_size;		/* Cluster size (byte) */
+} MKFS_PARM;
+
+
+
 /* File function return code (FRESULT) */
 
 typedef enum {
@@ -237,7 +293,7 @@ typedef enum {
 	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_LOCK */
+	FR_TOO_MANY_OPEN_FILES,	/* (18) Number of open files > FF_FS_LOCK */
 	FR_INVALID_PARAMETER	/* (19) Given parameter is invalid */
 } FRESULT;
 
@@ -256,7 +312,7 @@ FRESULT f_sync (FIL* fp);											/* Flush cached data of the writing file */
 FRESULT f_opendir (DIR* dp, const TCHAR* path);						/* Open a directory */
 FRESULT f_closedir (DIR* dp);										/* Close an open directory */
 FRESULT f_readdir (DIR* dp, FILINFO* fno);							/* Read a directory item */
-FRESULT f_seekdir(DIR *dj, int offset);				                       /* Seek in directory */
+FRESULT f_seekdir(DIR *dj, int offset);                             /* Seek in directory */
 FRESULT f_findfirst (DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern);	/* Find first file */
 FRESULT f_findnext (DIR* dp, FILINFO* fno);							/* Find next file */
 FRESULT f_mkdir (const TCHAR* path);								/* Create a sub directory */
@@ -272,10 +328,11 @@ FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs);	/* Get numbe
 FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn);	/* Get volume label */
 FRESULT f_setlabel (const TCHAR* label);							/* Set volume label */
 FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf);	/* Forward data to the stream */
-FRESULT f_expand (FIL* fp, FSIZE_t szf, BYTE opt);					/* Allocate a contiguous block to the file */
+FRESULT f_expand (FIL* fp, FSIZE_t fsz, BYTE opt);					/* Allocate a contiguous block to the file */
 FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt);			/* Mount/Unmount a logical drive */
-FRESULT f_mkfs (const TCHAR* path, BYTE opt, DWORD au, void* work, UINT len);	/* Create a FAT volume */
-FRESULT f_fdisk (BYTE pdrv, const DWORD* szt, void* work);			/* Divide a physical drive into some partitions */
+FRESULT f_mkfs (const TCHAR* path, const MKFS_PARM* opt, void* work, UINT len);	/* Create a FAT volume */
+FRESULT f_fdisk (BYTE pdrv, const LBA_t ptbl[], void* work);		/* Divide a physical drive into some partitions */
+FRESULT f_setcp (WORD cp);											/* Set current code page */
 int f_putc (TCHAR c, FIL* fp);										/* Put a character to the file */
 int f_puts (const TCHAR* str, FIL* cp);								/* Put a string to the file */
 int f_printf (FIL* fp, const TCHAR* str, ...);						/* Put a formatted string to the file */
@@ -287,6 +344,8 @@ TCHAR* f_gets (TCHAR* buff, int len, FIL* fp);						/* Get a string from the fil
 #define f_size(fp) ((fp)->obj.objsize)
 #define f_rewind(fp) f_lseek((fp), 0)
 #define f_rewinddir(dp) f_readdir((dp), 0)
+#define f_rmdir(path) f_unlink(path)
+#define f_unmount(path) f_mount(0, path, 0)
 
 #ifndef EOF
 #define EOF (-1)
@@ -299,26 +358,27 @@ TCHAR* f_gets (TCHAR* buff, int len, FIL* fp);						/* Get a string from the fil
 /* Additional user defined functions                            */
 
 /* RTC function */
-#if !_FS_READONLY && !_FS_NORTC
+#if !FF_FS_READONLY && !FF_FS_NORTC
 DWORD get_fattime (void);
 #endif
 
-/* Unicode support functions */
-#if _USE_LFN != 0						/* Unicode - OEM code conversion */
-WCHAR ff_convert (WCHAR chr, UINT dir);	/* OEM-Unicode bidirectional conversion */
-WCHAR ff_wtoupper (WCHAR chr);			/* Unicode upper-case conversion */
-#if _USE_LFN == 3						/* Memory functions */
+/* LFN support functions */
+#if FF_USE_LFN >= 1						/* Code conversion (defined in unicode.c) */
+WCHAR ff_oem2uni (WCHAR oem, WORD cp);	/* OEM code to Unicode conversion */
+WCHAR ff_uni2oem (DWORD uni, WORD cp);	/* Unicode to OEM code conversion */
+DWORD ff_wtoupper (DWORD uni);			/* Unicode upper-case conversion */
+#endif
+#if FF_USE_LFN == 3						/* Dynamic memory allocation */
 void* ff_memalloc (UINT msize);			/* Allocate memory block */
 void ff_memfree (void* mblock);			/* Free memory block */
 #endif
-#endif
 
 /* Sync functions */
-#if _FS_REENTRANT
-int ff_cre_syncobj (BYTE vol, _SYNC_t* sobj);	/* Create a sync object */
-int ff_req_grant (_SYNC_t sobj);				/* Lock sync object */
-void ff_rel_grant (_SYNC_t sobj);				/* Unlock sync object */
-int ff_del_syncobj (_SYNC_t sobj);				/* Delete a sync object */
+#if FF_FS_REENTRANT
+int ff_cre_syncobj (BYTE vol, FF_SYNC_t* sobj);	/* Create a sync object */
+int ff_req_grant (FF_SYNC_t sobj);		/* Lock sync object */
+void ff_rel_grant (FF_SYNC_t sobj);		/* Unlock sync object */
+int ff_del_syncobj (FF_SYNC_t sobj);	/* Delete a sync object */
 #endif
 
 
@@ -365,4 +425,4 @@ int ff_del_syncobj (_SYNC_t sobj);				/* Delete a sync object */
 }
 #endif
 
-#endif /* _FATFS */
+#endif /* FF_DEFINED */

components/dfs/filesystems/elmfat/ffconf.h

 /*---------------------------------------------------------------------------/
-/  FatFs - FAT file system module configuration file
+/  FatFs Functional Configurations
 /---------------------------------------------------------------------------*/
 
-#define _FFCONF 68020	/* Revision ID */
+#define FFCONF_DEF	86606	/* Revision ID */
 
 /*---------------------------------------------------------------------------/
 / Function Configurations
 /---------------------------------------------------------------------------*/
 
-#define _FS_READONLY	0
+#define FF_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
+#define FF_FS_MINIMIZE	0
 /* This option defines minimization level to remove some basic API functions.
 /
-/   0: All basic functions are enabled.
+/   0: Basic functions are fully 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().
+#define FF_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
+#define FF_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
+#define FF_USE_MKFS		1
 /* This option switches f_mkfs() function. (0:Disable or 1:Enable) */
 
 
-#define	_USE_FASTSEEK	        1
+#define FF_USE_FASTSEEK	1
 /* This option switches fast seek function. (0:Disable or 1:Enable) */
 
 
-#define	_USE_EXPAND		0
+#define FF_USE_EXPAND	0
 /* This option switches f_expand function. (0:Disable or 1:Enable) */
 
 
-#define _USE_CHMOD		0
+#define FF_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. */
+/  (0:Disable or 1:Enable) Also FF_FS_READONLY needs to be 0 to enable this option. */
 
 
-#define _USE_LABEL		0
+#define FF_USE_LABEL	0
 /* This option switches volume label functions, f_getlabel() and f_setlabel().
 /  (0:Disable or 1:Enable) */
 
 
-#define	_USE_FORWARD	0
+#define FF_USE_FORWARD	0
 /* This option switches f_forward() function. (0:Disable or 1:Enable) */
 
 
@@ -70,14 +69,13 @@
 /---------------------------------------------------------------------------*/
 
 #ifdef RT_DFS_ELM_CODE_PAGE
-#    define _CODE_PAGE	RT_DFS_ELM_CODE_PAGE
+#    define FF_CODE_PAGE	RT_DFS_ELM_CODE_PAGE
 #else
-#    define _CODE_PAGE	936
+#    define FF_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.
+/  Incorrect code page setting can cause a file open failure.
 /
-/   1   - ASCII (No extended character. Non-LFN cfg. only)
 /   437 - U.S.
 /   720 - Arabic
 /   737 - Greek
@@ -99,56 +97,73 @@
 /   936 - Simplified Chinese (DBCS)
 /   949 - Korean (DBCS)
 /   950 - Traditional Chinese (DBCS)
+/     0 - Include all code pages above and configured by f_setcp()
 */
 
 
 #if RT_DFS_ELM_USE_LFN
-#define _USE_LFN 	RT_DFS_ELM_USE_LFN
-#define _MAX_LFN 	RT_DFS_ELM_MAX_LFN
+#define FF_USE_LFN 	RT_DFS_ELM_USE_LFN
+#define FF_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) */
+#define	FF_USE_LFN	0		/* 0 to 3 */
+#define	FF_MAX_LFN	255		/* Maximum LFN length to handle (12 to 255) */
 #endif
-/* The _USE_LFN switches the support of long file name (LFN).
+/* The FF_USE_LFN switches the support for LFN (long file name).
 /
-/   0: Disable support of LFN. _MAX_LFN has no effect.
-/   1: Enable LFN with static working buffer on the BSS. Always NOT thread-safe.
+/   0: Disable LFN. FF_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.
+/  To enable the LFN, ffunicode.c needs to be added to the project. The LFN function
+/  requiers certain internal working buffer occupies (FF_MAX_LFN + 1) * 2 bytes and
+/  additional (FF_MAX_LFN + 44) / 15 * 32 bytes when exFAT is enabled.
+/  The FF_MAX_LFN defines size of the working buffer in UTF-16 code unit and it can
+/  be in range of 12 to 255. It is recommended to be set it 255 to fully support LFN
+/  specification.
 /  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. */
+/  ff_memfree() exemplified in ffsystem.c, need to be added to the project. */
 
 
 #ifdef RT_DFS_ELM_LFN_UNICODE
-#define _LFN_UNICODE	1	/* 0:ANSI/OEM or 1:Unicode */
+/* This option switches the character encoding on the API when LFN is enabled.
+/
+/   0: ANSI/OEM in current CP (TCHAR = char)
+/   1: Unicode in UTF-16 (TCHAR = WCHAR)
+/   2: Unicode in UTF-8 (TCHAR = char)
+/   3: Unicode in UTF-32 (TCHAR = DWORD)
+/
+/  Also behavior of string I/O functions will be affected by this option.
+/  When LFN is not enabled, this option has no effect. */
+#define FF_LFN_UNICODE	RT_DFS_ELM_LFN_UNICODE	/* 0:ANSI/OEM or 1:Unicode */
 #else
-#define	_LFN_UNICODE	0	/* 0:ANSI/OEM or 1:Unicode */
+#define	FF_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 FF_LFN_BUF		255
+#define FF_SFN_BUF		12
+/* This set of options defines size of file name members in the FILINFO structure
+/  which is used to read out directory items. These values should be suffcient for
+/  the file names to read. The maximum possible length of the read file name depends
+/  on character encoding. When LFN is not enabled, these options have no effect. */
 
-#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
+
+#define FF_STRF_ENCODE	3
+/* When FF_LFN_UNICODE >= 1 with LFN enabled, string I/O functions, f_gets(),
+/  f_putc(), f_puts and f_printf() convert the character encoding in it.
+/  This option selects assumption of character encoding ON THE FILE to be
+/  read/written via those functions.
 /
-/  This option has no effect when _LFN_UNICODE == 0. */
+/   0: ANSI/OEM in current CP
+/   1: Unicode in UTF-16LE
+/   2: Unicode in UTF-16BE
+/   3: Unicode in UTF-8
+*/
 
 
-#define _FS_RPATH	0
-/* This option configures support of relative path.
+#define FF_FS_RPATH		0
+/* This option configures support for relative path.
 /
 /   0: Disable relative path and remove related functions.
 /   1: Enable relative path. f_chdir() and f_chdrive() are available.
@@ -161,61 +176,64 @@
 /---------------------------------------------------------------------------*/
 
 #ifdef RT_DFS_ELM_DRIVES
-#define _VOLUMES RT_DFS_ELM_DRIVES
+#define FF_VOLUMES RT_DFS_ELM_DRIVES
 #else
-#define _VOLUMES	1
+#define FF_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. */
+/* Number of volumes (logical drives) to be used. (1-10) */
+
+
+#define FF_STR_VOLUME_ID	0
+#define FF_VOLUME_STRS		"RAM","NAND","CF","SD","SD2","USB","USB2","USB3"
+/* FF_STR_VOLUME_ID switches support for volume ID in arbitrary strings.
+/  When FF_STR_VOLUME_ID is set to 1 or 2, arbitrary strings can be used as drive
+/  number in the path name. FF_VOLUME_STRS defines the volume ID strings for each
+/  logical drives. Number of items must not be less than FF_VOLUMES. Valid
+/  characters for the volume ID strings are A-Z, a-z and 0-9, however, they are
+/  compared in case-insensitive. If FF_STR_VOLUME_ID >= 1 and FF_VOLUME_STRS is
+/  not defined, a user defined volume string table needs to be defined as:
+/
+/  const char* VolumeStr[FF_VOLUMES] = {"ram","flash","sd","usb",...
+*/
 
 
-#define	_MULTI_PARTITION	0
-/* This option switches support of multi-partition on a physical drive.
+#define FF_MULTI_PARTITION	0
+/* This option switches support for multiple volumes on the 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
+/  When this function 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	FF_MIN_SS		512
 #ifdef RT_DFS_ELM_MAX_SECTOR_SIZE
-#define _MAX_SS     RT_DFS_ELM_MAX_SECTOR_SIZE
+#define FF_MAX_SS     RT_DFS_ELM_MAX_SECTOR_SIZE
 #else
-#define	_MAX_SS		512		/* 512, 1024, 2048 or 4096 */
+#define	FF_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
+/* This set of options configures the range of sector size to be supported. (512,
+/  1024, 2048 or 4096) Always set both 512 for most systems, generic memory card 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. */
+/  type of optical media. When FF_MAX_SS is larger than FF_MIN_SS, FatFs is configured
+/  for variable sector size mode and disk_ioctl() function needs to implement
+/  GET_SECTOR_SIZE command. */
 
 
-#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 FF_LBA64		0
+/* This option switches support for 64-bit LBA. (0:Disable or 1:Enable)
+/  To enable the 64-bit LBA, also exFAT needs to be enabled. (FF_FS_EXFAT == 1) */
 
 
-#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.
-*/
+#define FF_MIN_GPT		0x100000000
+/* Minimum number of sectors to switch GPT format to create partition in f_mkfs and
+/  f_fdisk function. 0x100000000 max. This option has no effect when FF_LBA64 == 0. */
+
+
+#define FF_USE_TRIM		0
+/* This option switches support for ATA-TRIM. (0:Disable or 1:Enable)
+/  To enable Trim function, also CTRL_TRIM command should be implemented to the
+/  disk_ioctl() function. */
 
 
 
@@ -223,39 +241,51 @@
 / System Configurations
 /---------------------------------------------------------------------------*/
 
-#define	_FS_TINY	0
+#define FF_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.
+/  At the tiny configuration, size of file object (FIL) is shrinked FF_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. */
+/  buffer in the filesystem object (FATFS) is used for the file data transfer. */
 
 #ifdef RT_DFS_ELM_USE_EXFAT
-#define _FS_EXFAT	1
+#define FF_FS_EXFAT	1
 #else
-#define _FS_EXFAT	0
+#define FF_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
+/* This option switches support for exFAT filesystem. (0:Disable or 1:Enable)
+/  To enable exFAT, also LFN needs to be enabled. (FF_USE_LFN >= 1)
+/  Note that enabling exFAT discards ANSI C (C89) compatibility. */
+
+
+#define FF_FS_NORTC		0
+#define FF_NORTC_MON	1
+#define FF_NORTC_MDAY	1
+#define FF_NORTC_YEAR	2019
+/* The option FF_FS_NORTC switches timestamp functiton. If the system does not have
+/  any RTC function or valid timestamp is not needed, set FF_FS_NORTC = 1 to disable
+/  the timestamp function. Every object modified by FatFs will have a fixed timestamp
+/  defined by FF_NORTC_MON, FF_NORTC_MDAY and FF_NORTC_YEAR in local time.
+/  To enable timestamp function (FF_FS_NORTC = 0), get_fattime() function need to be
+/  added to the project to read current time form real-time clock. FF_NORTC_MON,
+/  FF_NORTC_MDAY and FF_NORTC_YEAR have no effect.
+/  These options have no effect in read-only configuration (FF_FS_READONLY = 1). */
+
+
+#define FF_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.
+*/
+
+
+#define FF_FS_LOCK		0
+/* The option FF_FS_LOCK switches file lock function to control duplicated file open
+/  and illegal operation to open objects. This option must be 0 when FF_FS_READONLY
 /  is 1.
 /
 /  0:  Disable file lock function. To avoid volume corruption, application program
@@ -264,33 +294,31 @@
 /      can be opened simultaneously under file lock control. Note that the file
 /      lock control is independent of re-entrancy. */
 
-
+/* #include <somertos.h>	// O/S definitions */
 #ifdef RT_DFS_ELM_REENTRANT
-#define _FS_REENTRANT	1		/* 0 or 1 */
+#define FF_FS_REENTRANT	1		/* 0 or 1 */
 #else
-#define _FS_REENTRANT	0		/* 0:Disable or 1:Enable */
+#define FF_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
+#define FF_FS_TIMEOUT	1000
+#define FF_SYNC_t		rt_mutex_t
+/* The option FF_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.
+/   0: Disable re-entrancy. FF_FS_TIMEOUT and FF_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
+/  The FF_FS_TIMEOUT defines timeout period in unit of time tick.
+/  The FF_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 ---*/

components/dfs/filesystems/elmfat/integer.h

-/*-------------------------------------------*/
-/* Integer type definitions for FatFs module */
-/*-------------------------------------------*/
-
-#ifndef _FF_INTEGER
-#define _FF_INTEGER
-
-#ifdef _WIN32	/* FatFs development platform */
-
-#include <windows.h>
-#include <tchar.h>
-typedef unsigned __int64 QWORD;
-
-
-#else			/* Embedded platform */
-
-/* These types MUST be 16-bit or 32-bit */
-typedef int				INT;
-typedef unsigned int	UINT;
-
-/* This type MUST be 8-bit */
-typedef unsigned char	BYTE;
-
-/* These types MUST be 16-bit */
-typedef short			SHORT;
-typedef unsigned short	WORD;
-typedef unsigned short	WCHAR;
-
-/* These types MUST be 32-bit */
-typedef long			LONG;
-typedef unsigned long	DWORD;
-
-/* This type MUST be 64-bit (Remove this for C89 compatibility) */
-typedef unsigned long long QWORD;
-
-#endif
-
-#endif

components/dfs/filesystems/elmfat/option/ccfile.c

-#include <rtthread.h>
-#include <string.h>
-#include <dfs_posix.h>
-
-#ifndef GBK2UNI_FILE
-#define GBK2UNI_FILE "/resource/gbk2uni.tbl"
-#endif
-
-#ifndef UNI2GBK_FILE
-#define UNI2GBK_FILE "/resource/uni2gbk.tbl"
-#endif
-
-#ifdef RT_DFS_ELM_USE_LFN
-static int gbk2uni_fd = -1;
-static int uni2gbk_fd = -1;
-int ff_convert_init()
-{
-    gbk2uni_fd = open(GBK2UNI_FILE, O_RDONLY, 0);
-    if (gbk2uni_fd < 0)
-        rt_kprintf("Unable to open GBK to Unicode look up table.\r\n");
-
-    uni2gbk_fd = open(UNI2GBK_FILE, O_RDONLY, 0);
-    if (uni2gbk_fd < 0)
-        rt_kprintf("Unable to open Unicode to GBK look up table.\r\n");
-	return 0;
-}
-INIT_APP_EXPORT(ff_convert_init);
-
-rt_uint16_t ff_convert(rt_uint16_t src, rt_uint32_t dir)
-{
-    if (src < 0x80)
-    {
-        return src;
-    }
-    else
-    {
-        int fd = dir ? gbk2uni_fd : uni2gbk_fd;
-        if (fd >= 0)
-        {
-            rt_uint16_t c;
-            lseek(fd, src * 2, SEEK_SET);
-            if (read(fd, (char *) &c, 2) != 2)
-                return 0;
-
-            return c;
-        }
-        else
-        {
-            return 0;
-        }
-    }
-}
-
-rt_uint16_t ff_wtoupper(rt_uint16_t chr)
-{
-    static const rt_uint16_t tbl_lower[] = { 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0xA1, 0x00A2, 0x00A3, 0x00A5, 0x00AC, 0x00AF, 0xE0, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0x0FF, 0x101, 0x103, 0x105, 0x107, 0x109, 0x10B, 0x10D, 0x10F, 0x111, 0x113, 0x115, 0x117, 0x119, 0x11B, 0x11D, 0x11F, 0x121, 0x123, 0x125, 0x127, 0x129, 0x12B, 0x12D, 0x12F, 0x131, 0x133, 0x135, 0x137, 0x13A, 0x13C, 0x13E, 0x140, 0x142, 0x144, 0x146, 0x148, 0x14B, 0x14D, 0x14F, 0x151, 0x153, 0x155, 0x157, 0x159, 0x15B, 0x15D, 0x15F, 0x161, 0x163, 0x165, 0x167, 0x169, 0x16B, 0x16D, 0x16F, 0x171, 0x173, 0x175, 0x177, 0x17A, 0x17C, 0x17E, 0x192, 0x3B1, 0x3B2, 0x3B3, 0x3B4, 0x3B5, 0x3B6, 0x3B7, 0x3B8, 0x3B9, 0x3BA, 0x3BB, 0x3BC, 0x3BD, 0x3BE, 0x3BF, 0x3C0, 0x3C1, 0x3C3, 0x3C4, 0x3C5, 0x3C6, 0x3C7, 0x3C8, 0x3C9, 0x3CA, 0x430, 0x431, 0x432, 0x433, 0x434, 0x435, 0x436, 0x437, 0x438, 0x439, 0x43A, 0x43B, 0x43C, 0x43D, 0x43E, 0x43F, 0x440, 0x441, 0x442, 0x443, 0x444, 0x445, 0x446, 0x447, 0x448, 0x449, 0x44A, 0x44B, 0x44C, 0x44D, 0x44E, 0x44F, 0x451, 0x452, 0x453, 0x454, 0x455, 0x456, 0x457, 0x458, 0x459, 0x45A, 0x45B, 0x45C, 0x45E, 0x45F, 0x2170, 0x2171, 0x2172, 0x2173, 0x2174, 0x2175, 0x2176, 0x2177, 0x2178, 0x2179, 0x217A, 0x217B, 0x217C, 0x217D, 0x217E, 0x217F, 0xFF41, 0xFF42, 0xFF43, 0xFF44, 0xFF45, 0xFF46, 0xFF47, 0xFF48, 0xFF49, 0xFF4A, 0xFF4B, 0xFF4C, 0xFF4D, 0xFF4E, 0xFF4F, 0xFF50, 0xFF51, 0xFF52, 0xFF53, 0xFF54, 0xFF55, 0xFF56, 0xFF57, 0xFF58, 0xFF59, 0xFF5A, 0 };
-    static const rt_uint16_t tbl_upper[] = { 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x21, 0xFFE0, 0xFFE1, 0xFFE5, 0xFFE2, 0xFFE3, 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD, 0xDE, 0x178, 0x100, 0x102, 0x104, 0x106, 0x108, 0x10A, 0x10C, 0x10E, 0x110, 0x112, 0x114, 0x116, 0x118, 0x11A, 0x11C, 0x11E, 0x120, 0x122, 0x124, 0x126, 0x128, 0x12A, 0x12C, 0x12E, 0x130, 0x132, 0x134, 0x136, 0x139, 0x13B, 0x13D, 0x13F, 0x141, 0x143, 0x145, 0x147, 0x14A, 0x14C, 0x14E, 0x150, 0x152, 0x154, 0x156, 0x158, 0x15A, 0x15C, 0x15E, 0x160, 0x162, 0x164, 0x166, 0x168, 0x16A, 0x16C, 0x16E, 0x170, 0x172, 0x174, 0x176, 0x179, 0x17B, 0x17D, 0x191, 0x391, 0x392, 0x393, 0x394, 0x395, 0x396, 0x397, 0x398, 0x399, 0x39A, 0x39B, 0x39C, 0x39D, 0x39E, 0x39F, 0x3A0, 0x3A1, 0x3A3, 0x3A4, 0x3A5, 0x3A6, 0x3A7, 0x3A8, 0x3A9, 0x3AA, 0x410, 0x411, 0x412, 0x413, 0x414, 0x415, 0x416, 0x417, 0x418, 0x419, 0x41A, 0x41B, 0x41C, 0x41D, 0x41E, 0x41F, 0x420, 0x421, 0x422, 0x423, 0x424, 0x425, 0x426, 0x427, 0x428, 0x429, 0x42A, 0x42B, 0x42C, 0x42D, 0x42E, 0x42F, 0x401, 0x402, 0x403, 0x404, 0x405, 0x406, 0x407, 0x408, 0x409, 0x40A, 0x40B, 0x40C, 0x40E, 0x40F, 0x2160, 0x2161, 0x2162, 0x2163, 0x2164, 0x2165, 0x2166, 0x2167, 0x2168, 0x2169, 0x216A, 0x216B, 0x216C, 0x216D, 0x216E, 0x216F, 0xFF21, 0xFF22, 0xFF23, 0xFF24, 0xFF25, 0xFF26, 0xFF27, 0xFF28, 0xFF29, 0xFF2A, 0xFF2B, 0xFF2C, 0xFF2D, 0xFF2E, 0xFF2F, 0xFF30, 0xFF31, 0xFF32, 0xFF33, 0xFF34, 0xFF35, 0xFF36, 0xFF37, 0xFF38, 0xFF39, 0xFF3A, 0 };
-    int i;
-
-
-    for (i = 0; tbl_lower[i] && chr != tbl_lower[i]; i++) ;
-
-    return tbl_lower[i] ? tbl_upper[i] : chr;
-}
-#endif

components/dfs/filesystems/elmfat/option/syscall.c

-/*------------------------------------------------------------------------*/
-/* Sample code of OS dependent controls for FatFs                         */
-/* (C)ChaN, 2014                                                          */
-/*------------------------------------------------------------------------*/
-
-
-#include "../ff.h"
-
-
-#if _FS_REENTRANT
-/*------------------------------------------------------------------------*/
-/* Create a Synchronization Object
-/*------------------------------------------------------------------------*/
-/* This function is called in f_mount() function to create a new
-/  synchronization object, such as semaphore and mutex. When a 0 is returned,
-/  the f_mount() function fails with FR_INT_ERR.
-*/
-
-int ff_cre_syncobj (	/* 1:Function succeeded, 0:Could not create the sync object */
-	BYTE vol,			/* Corresponding volume (logical drive number) */
-	_SYNC_t *sobj		/* Pointer to return the created sync object */
-)
-{
-	int ret;
-
-
-	*sobj = CreateMutex(NULL, FALSE, NULL);		/* Win32 */
-	ret = (int)(*sobj != INVALID_HANDLE_VALUE);
-
-//	*sobj = SyncObjects[vol];			/* uITRON (give a static sync object) */
-//	ret = 1;							/* The initial value of the semaphore must be 1. */
-
-//	*sobj = OSMutexCreate(0, &err);		/* uC/OS-II */
-//	ret = (int)(err == OS_NO_ERR);
-
-//	*sobj = xSemaphoreCreateMutex();	/* FreeRTOS */
-//	ret = (int)(*sobj != NULL);
-
-	return ret;
-}
-
-
-
-/*------------------------------------------------------------------------*/
-/* Delete a Synchronization Object                                        */
-/*------------------------------------------------------------------------*/
-/* This function is called in f_mount() function to delete a synchronization
-/  object that created with ff_cre_syncobj() function. When a 0 is returned,
-/  the f_mount() function fails with FR_INT_ERR.
-*/
-
-int ff_del_syncobj (	/* 1:Function succeeded, 0:Could not delete due to any error */
-	_SYNC_t sobj		/* Sync object tied to the logical drive to be deleted */
-)
-{
-	int ret;
-
-
-	ret = CloseHandle(sobj);	/* Win32 */
-
-//	ret = 1;					/* uITRON (nothing to do) */
-
-//	OSMutexDel(sobj, OS_DEL_ALWAYS, &err);	/* uC/OS-II */
-//	ret = (int)(err == OS_NO_ERR);
-
-//  vSemaphoreDelete(sobj);		/* FreeRTOS */
-//	ret = 1;
-
-	return ret;
-}
-
-
-
-/*------------------------------------------------------------------------*/
-/* Request Grant to Access the Volume                                     */
-/*------------------------------------------------------------------------*/
-/* This function is called on entering file functions to lock the volume.
-/  When a 0 is returned, the file function fails with FR_TIMEOUT.
-*/
-
-int ff_req_grant (	/* 1:Got a grant to access the volume, 0:Could not get a grant */
-	_SYNC_t sobj	/* Sync object to wait */
-)
-{
-	int ret;
-
-	ret = (int)(WaitForSingleObject(sobj, _FS_TIMEOUT) == WAIT_OBJECT_0);	/* Win32 */
-
-//	ret = (int)(wai_sem(sobj) == E_OK);			/* uITRON */
-
-//	OSMutexPend(sobj, _FS_TIMEOUT, &err));		/* uC/OS-II */
-//	ret = (int)(err == OS_NO_ERR);
-
-//	ret = (int)(xSemaphoreTake(sobj, _FS_TIMEOUT) == pdTRUE);	/* FreeRTOS */
-
-	return ret;
-}
-
-
-
-/*------------------------------------------------------------------------*/
-/* Release Grant to Access the Volume                                     */
-/*------------------------------------------------------------------------*/
-/* This function is called on leaving file functions to unlock the volume.
-*/
-
-void ff_rel_grant (
-	_SYNC_t sobj	/* Sync object to be signaled */
-)
-{
-	ReleaseMutex(sobj);		/* Win32 */
-
-//	sig_sem(sobj);			/* uITRON */
-
-//	OSMutexPost(sobj);		/* uC/OS-II */
-
-//	xSemaphoreGive(sobj);	/* FreeRTOS */
-}
-
-#endif
-
-
-
-
-#if _USE_LFN == 3	/* LFN with a working buffer on the heap */
-/*------------------------------------------------------------------------*/
-/* Allocate a memory block                                                */
-/*------------------------------------------------------------------------*/
-/* If a NULL is returned, the file function fails with FR_NOT_ENOUGH_CORE.
-*/
-
-void* ff_memalloc (	/* Returns pointer to the allocated memory block */
-	UINT msize		/* Number of bytes to allocate */
-)
-{
-	return malloc(msize);	/* Allocate a new memory block with POSIX API */
-}
-
-
-/*------------------------------------------------------------------------*/
-/* Free a memory block                                                    */
-/*------------------------------------------------------------------------*/
-
-void ff_memfree (
-	void* mblock	/* Pointer to the memory block to free */
-)
-{
-	free(mblock);	/* Discard the memory block with POSIX API */
-}
-
-#endif

components/dfs/filesystems/elmfat/option/unicode.c

-#include "../ff.h"
-
-#if _USE_LFN != 0
-
-#if   _CODE_PAGE == 932	/* Japanese Shift_JIS */
-#include "cc932.c"
-#elif _CODE_PAGE == 936	/* Simplified Chinese GBK */
-#include "cc936.c"
-#elif _CODE_PAGE == 949	/* Korean */
-#include "cc949.c"
-#elif _CODE_PAGE == 950	/* Traditional Chinese Big5 */
-#include "cc950.c"
-#else					/* Single Byte Character-Set */
-#include "ccsbcs.c"
-#endif
-
-#endif