From 6b755d827ac96fab8649f35b0e3508a28106c532 Mon Sep 17 00:00:00 2001 From: Damien George Date: Sat, 20 Dec 2014 21:12:34 +0000 Subject: lib/fatfs: Support our volume names; make some funcs static. --- lib/fatfs/ff.c | 51 +++++++-- lib/fatfs/ff.h | 10 +- lib/fatfs/ffconf.h | 270 -------------------------------------------- lib/fatfs/ffconf_template.h | 270 ++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 323 insertions(+), 278 deletions(-) delete mode 100644 lib/fatfs/ffconf.h create mode 100644 lib/fatfs/ffconf_template.h diff --git a/lib/fatfs/ff.c b/lib/fatfs/ff.c index 9c887c459..dd32f7b3c 100644 --- a/lib/fatfs/ff.c +++ b/lib/fatfs/ff.c @@ -119,6 +119,8 @@ / Fixed null pointer dereference on attempting to delete the root direcotry. /---------------------------------------------------------------------------*/ +#include + #include "ff.h" /* Declarations of FatFs API */ #include "diskio.h" /* Declarations of disk I/O functions */ @@ -506,7 +508,8 @@ static FATFS *FatFs[_VOLUMES]; /* Pointer to the file system objects (logical dr static WORD Fsid; /* File system mount ID */ #if _FS_RPATH && _VOLUMES >= 2 -static BYTE CurrVol; /* Current drive */ +// dpgeorge: changed name and made non-static +BYTE ff_CurrVol; /* Current drive */ #endif #if _FS_LOCK @@ -559,6 +562,12 @@ static const BYTE ExCvt[] = _EXCVT; /* Upper conversion table for extended chara /* String functions */ /*-----------------------------------------------------------------------*/ +// dpgeorge: +// We use stdlib version of memset and memcmp to reduce code size. +// We use the original custom version of mem_cpy so that gcc doesn't +// recognise the builtin function and then inline it. Allowing gcc +// to use the builtin memcpy increases code size by 72 bytes. + /* Copy memory to memory */ static void mem_cpy (void* dst, const void* src, UINT cnt) { @@ -577,6 +586,7 @@ void mem_cpy (void* dst, const void* src, UINT cnt) { } /* Fill memory */ +#if 0 static void mem_set (void* dst, int val, UINT cnt) { BYTE *d = (BYTE*)dst; @@ -584,8 +594,13 @@ void mem_set (void* dst, int val, UINT cnt) { while (cnt--) *d++ = (BYTE)val; } +#else +// use stdlib +#define mem_set memset +#endif /* Compare memory to memory */ +#if 0 static int mem_cmp (const void* dst, const void* src, UINT cnt) { const BYTE *d = (const BYTE *)dst, *s = (const BYTE *)src; @@ -594,6 +609,10 @@ int mem_cmp (const void* dst, const void* src, UINT cnt) { while (cnt-- && (r = *d++ - *s++) == 0) ; return r; } +#else +// use stdlib +#define mem_cmp memcmp +#endif /* Check if chr is contained in the string */ static @@ -854,6 +873,8 @@ FRESULT sync_fs ( /* FR_OK: successful, FR_DISK_ERR: failed */ /*-----------------------------------------------------------------------*/ /* Hidden API for hacks and disk tools */ +// dpgeorge: made static +static DWORD clust2sect ( /* !=0: Sector number, 0: Failed - invalid cluster# */ FATFS* fs, /* File system object */ DWORD clst /* Cluster# to be converted */ @@ -872,6 +893,8 @@ DWORD clust2sect ( /* !=0: Sector number, 0: Failed - invalid cluster# */ /*-----------------------------------------------------------------------*/ /* Hidden API for hacks and disk tools */ +// dpgeorge: made static +static DWORD get_fat ( /* 0xFFFFFFFF:Disk error, 1:Internal error, 2..0x0FFFFFFF:Cluster status */ FATFS* fs, /* File system object */ DWORD clst /* FAT item index (cluster#) to get the value */ @@ -927,6 +950,8 @@ DWORD get_fat ( /* 0xFFFFFFFF:Disk error, 1:Internal error, 2..0x0FFFFFFF:Cluste /* Hidden API for hacks and disk tools */ #if !_FS_READONLY +// dpgeorge: made static +static FRESULT put_fat ( FATFS* fs, /* File system object */ DWORD clst, /* FAT item index (cluster#) to be set */ @@ -2093,6 +2118,8 @@ FRESULT follow_path ( /* FR_OK(0): successful, !=0: error code */ /* Get logical drive number from path name */ /*-----------------------------------------------------------------------*/ +// dpgeorge: replaced with custom ff_get_ldnumber +#if 0 static int get_ldnumber ( /* Returns logical drive number (-1:invalid drive) */ const TCHAR** path /* Pointer to pointer to the path name */ @@ -2144,6 +2171,7 @@ int get_ldnumber ( /* Returns logical drive number (-1:invalid drive) */ } return vol; } +#endif @@ -2197,7 +2225,7 @@ FRESULT find_volume ( /* FR_OK(0): successful, !=0: any error occurred */ /* Get logical drive number from the path name */ *rfs = 0; - vol = get_ldnumber(path); + vol = ff_get_ldnumber(path); if (vol < 0) return FR_INVALID_DRIVE; /* Check if the file system object is valid or not */ @@ -2397,7 +2425,7 @@ FRESULT f_mount ( const TCHAR *rp = path; - vol = get_ldnumber(&rp); + vol = ff_get_ldnumber(&rp); if (vol < 0) return FR_INVALID_DRIVE; cfs = FatFs[vol]; /* Pointer to fs object */ @@ -2885,10 +2913,10 @@ FRESULT f_chdrive ( int vol; - vol = get_ldnumber(&path); + vol = ff_get_ldnumber(&path); if (vol < 0) return FR_INVALID_DRIVE; - CurrVol = (BYTE)vol; + ff_CurrVol = (BYTE)vol; return FR_OK; } @@ -2984,11 +3012,19 @@ FRESULT f_getcwd ( tp = buff; if (res == FR_OK) { #if _VOLUMES >= 2 + // dpgeorge: change to use our volume names + #if 0 *tp++ = '0' + CurrVol; /* Put drive number */ *tp++ = ':'; + #else + ff_get_volname(ff_CurrVol, &tp); + #endif #endif if (i == len) { /* Root-directory */ + // dpgeorge: not needed with volume names + #if 0 *tp++ = '/'; + #endif } else { /* Sub-directroy */ do /* Add stacked path str */ *tp++ = buff[i++]; @@ -3671,7 +3707,7 @@ FRESULT f_rename ( } else { mem_cpy(buf, djo.dir+DIR_Attr, 21); /* Save the object information except name */ mem_cpy(&djn, &djo, sizeof (DIR)); /* Duplicate the directory object */ - if (get_ldnumber(&path_new) >= 0) /* Snip drive number off and ignore it */ + if (ff_get_ldnumber(&path_new) >= 0) /* Snip drive number off and ignore it */ res = follow_path(&djn, path_new); /* and make sure if new object name is not conflicting */ else res = FR_INVALID_DRIVE; @@ -3850,6 +3886,7 @@ FRESULT f_setlabel ( /* Create a volume label in directory form */ vn[0] = 0; + if (label[0] == '/') label++; // dpgeorge: skip '/' to handle our volume names for (sl = 0; label[sl]; sl++) ; /* Get name length */ for ( ; sl && label[sl-1] == ' '; sl--) ; /* Remove trailing spaces */ if (sl) { /* Create volume label in directory form */ @@ -4010,7 +4047,7 @@ FRESULT f_mkfs ( /* Check mounted drive and clear work area */ if (sfd > 1) return FR_INVALID_PARAMETER; - vol = get_ldnumber(&path); + vol = ff_get_ldnumber(&path); if (vol < 0) return FR_INVALID_DRIVE; fs = FatFs[vol]; if (!fs) return FR_NOT_ENABLED; diff --git a/lib/fatfs/ff.h b/lib/fatfs/ff.h index 5eaad5fef..6f7c86deb 100644 --- a/lib/fatfs/ff.h +++ b/lib/fatfs/ff.h @@ -36,7 +36,7 @@ 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 */ +extern const 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 */ @@ -273,8 +273,16 @@ void ff_rel_grant (_SYNC_t sobj); /* Unlock sync object */ int ff_del_syncobj (_SYNC_t sobj); /* Delete a sync object */ #endif +// dpgeorge: added the following 3 declarations to support our volume names +// Current drive +extern BYTE ff_CurrVol; +// Returns logical drive number (-1:invalid drive) +int ff_get_ldnumber(const TCHAR** path); + +// Store the volume name into dest, and advance the pointer +void ff_get_volname(BYTE vol, TCHAR **dest); /*--------------------------------------------------------------*/ /* Flags and offset address */ diff --git a/lib/fatfs/ffconf.h b/lib/fatfs/ffconf.h deleted file mode 100644 index f968d7e07..000000000 --- a/lib/fatfs/ffconf.h +++ /dev/null @@ -1,270 +0,0 @@ -/*---------------------------------------------------------------------------/ -/ 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 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_MKFS 0 -/* 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 932 -/* 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 0 -#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 1 -/* 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 0 -/* 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 -*/ - diff --git a/lib/fatfs/ffconf_template.h b/lib/fatfs/ffconf_template.h new file mode 100644 index 000000000..f968d7e07 --- /dev/null +++ b/lib/fatfs/ffconf_template.h @@ -0,0 +1,270 @@ +/*---------------------------------------------------------------------------/ +/ 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 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_MKFS 0 +/* 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 932 +/* 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 0 +#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 1 +/* 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 0 +/* 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 +*/ + -- cgit v1.2.3