fsfat moved to ext dir

1 files changed, 422 insertions, 0 deletions

diff --git a/ext/fsfat/ff.h b/ext/fsfat/ff.h
new file mode 100644
index 0000000..64bf79d
--- /dev/null
+++ b/ext/fsfat/ff.h
@@ -0,0 +1,422 @@
+/*----------------------------------------------------------------------------/

+/  FatFs - Generic FAT Filesystem module  R0.14b                              /

+/-----------------------------------------------------------------------------/

+/

+/ Copyright (C) 2021, 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

+/ that the following condition is met:

+

+/ 1. Redistributions of source code must retain the above copyright notice,

+/    this condition and the following disclaimer.

+/

+/ This software is provided by the copyright holder and contributors "AS IS"

+/ 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 FF_DEFINED

+#define FF_DEFINED	86631	/* Revision ID */

+

+#ifdef __cplusplus

+extern "C" {

+#endif

+

+#include "ffconf.h"		/* FatFs configuration options */

+

+#if FF_DEFINED != FFCONF_DEF

+#error Wrong configuration file (ffconf.h).

+#endif

+

+

+/* Integer types used for FatFs API */

+

+#if defined(_WIN32)		/* Windows VC++ (for development only) */

+#define FF_INTDEF 2

+#include <windows.h>

+typedef unsigned __int64 QWORD;

+#include <float.h>

+#define isnan(v) _isnan(v)

+#define isinf(v) (!_finite(v))

+

+#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

+

+

+/* Type of file size and LBA variables */

+

+#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

+

+

+

+/* Type of path name strings on FatFs API (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

+#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

+

+

+

+/* Definitions of volume management */

+

+#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 mapping table */

+#endif

+

+#if FF_STR_VOLUME_ID

+#ifndef FF_VOLUME_STRS

+extern const char* VolumeStr[FF_VOLUMES];	/* User defied volume ID */

+#endif

+#endif

+

+

+

+/* Filesystem object structure (FATFS) */

+

+typedef struct {

+	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;				/* Volume mount ID */

+	WORD	n_rootdir;		/* Number of root directory entries (FAT12/16) */

+	WORD	csize;			/* Cluster size [sectors] */

+#if FF_MAX_SS != FF_MIN_SS

+	WORD	ssize;			/* Sector size (512, 1024, 2048 or 4096) */

+#endif

+#if FF_USE_LFN

+	WCHAR*	lfnbuf;			/* LFN working buffer */

+#endif

+#if FF_FS_EXFAT

+	BYTE*	dirbuf;			/* Directory entry block scratchpad buffer for exFAT */

+#endif

+#if FF_FS_REENTRANT

+	FF_SYNC_t	sobj;		/* Identifier of sync object */

+#endif

+#if !FF_FS_READONLY

+	DWORD	last_clst;		/* Last allocated cluster */

+	DWORD	free_clst;		/* Number of free clusters */

+#endif

+#if FF_FS_RPATH

+	DWORD	cdir;			/* Current directory start cluster (0:root) */

+#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) */

+#endif

+#endif

+	DWORD	n_fatent;		/* Number of FAT entries (number of clusters + 2) */

+	DWORD	fsize;			/* Size of an FAT [sectors] */

+	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 (FFOBJID) */

+

+typedef struct {

+	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 FF_FS_LOCK

+	UINT	lockid;			/* File lock ID origin from 1 (index of file semaphore table Files[]) */

+#endif

+} FFOBJID;

+

+

+

+/* File object structure (FIL) */

+

+typedef struct {

+	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 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 FF_USE_FASTSEEK

+	DWORD*	cltbl;			/* Pointer to the cluster link map table (nulled on open, set by application) */

+#endif

+#if !FF_FS_TINY

+	BYTE	buf[FF_MAX_SS];	/* File private data read/write window */

+#endif

+} FIL;

+

+

+

+/* Directory object structure (DIR) */

+

+typedef struct {

+	FFOBJID	obj;			/* Object identifier */

+	DWORD	dptr;			/* Current read/write offset */

+	DWORD	clust;			/* Current cluster */

+	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 FF_USE_LFN

+	DWORD	blk_ofs;		/* Offset of current entry block being processed (0xFFFFFFFF:Invalid) */

+#endif

+#if FF_USE_FIND

+	const TCHAR* pat;		/* Pointer to the name matching pattern */

+#endif

+} DIR;

+

+

+

+/* File information structure (FILINFO) */

+

+typedef struct {

+	FSIZE_t	fsize;			/* File size */

+	WORD	fdate;			/* Modified date */

+	WORD	ftime;			/* Modified time */

+	BYTE	fattrib;		/* File attribute */

+#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[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 {

+	FR_OK = 0,				/* (0) Succeeded */

+	FR_DISK_ERR,			/* (1) A hard error occurred in the low level disk I/O layer */

+	FR_INT_ERR,				/* (2) Assertion failed */

+	FR_NOT_READY,			/* (3) The physical drive cannot work */

+	FR_NO_FILE,				/* (4) Could not find the file */

+	FR_NO_PATH,				/* (5) Could not find the path */

+	FR_INVALID_NAME,		/* (6) The path name format is invalid */

+	FR_DENIED,				/* (7) Access denied due to prohibited access or directory full */

+	FR_EXIST,				/* (8) Access denied due to prohibited access */

+	FR_INVALID_OBJECT,		/* (9) The file/directory object is invalid */

+	FR_WRITE_PROTECTED,		/* (10) The physical drive is write protected */

+	FR_INVALID_DRIVE,		/* (11) The logical drive number is invalid */

+	FR_NOT_ENABLED,			/* (12) The volume has no work area */

+	FR_NO_FILESYSTEM,		/* (13) There is no valid FAT volume */

+	FR_MKFS_ABORTED,		/* (14) The f_mkfs() aborted due to any problem */

+	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 > FF_FS_LOCK */

+	FR_INVALID_PARAMETER	/* (19) Given parameter is invalid */

+} FRESULT;

+

+

+

+/*--------------------------------------------------------------*/

+/* FatFs module application interface                           */

+

+FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode);				/* Open or create a file */

+FRESULT f_close (FIL* fp);											/* Close an open file object */

+FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br);			/* Read data from the file */

+FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw);	/* Write data to the file */

+FRESULT f_lseek (FIL* fp, FSIZE_t ofs);								/* Move file pointer of the file object */

+FRESULT f_truncate (FIL* fp);										/* Truncate the file */

+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_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 */

+FRESULT f_unlink (const TCHAR* path);								/* Delete an existing file or directory */

+FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new);	/* Rename/Move a file or directory */

+FRESULT f_stat (const TCHAR* path, FILINFO* fno);					/* Get file status */

+FRESULT f_chmod (const TCHAR* path, BYTE attr, BYTE mask);			/* Change attribute of a file/dir */

+FRESULT f_utime (const TCHAR* path, const FILINFO* fno);			/* Change timestamp of a file/dir */

+FRESULT f_chdir (const TCHAR* path);								/* Change current directory */

+FRESULT f_chdrive (const TCHAR* path);								/* Change current drive */

+FRESULT f_getcwd (TCHAR* buff, UINT len);							/* Get current directory */

+FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs);	/* Get number of free clusters on the drive */

+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 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, 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 */

+TCHAR* f_gets (TCHAR* buff, int len, FIL* fp);						/* Get a string from the file */

+

+#define f_eof(fp) ((int)((fp)->fptr == (fp)->obj.objsize))

+#define f_error(fp) ((fp)->err)

+#define f_tell(fp) ((fp)->fptr)

+#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)

+

+

+

+

+/*--------------------------------------------------------------*/

+/* Additional user defined functions                            */

+

+/* RTC function */

+#if !FF_FS_READONLY && !FF_FS_NORTC

+DWORD get_fattime (void);

+#endif

+

+/* 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

+

+/* Sync functions */

+#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

+

+

+

+

+/*--------------------------------------------------------------*/

+/* Flags and offset address                                     */

+

+

+/* File access mode and open method flags (3rd argument of f_open) */

+#define	FA_READ				0x01

+#define	FA_WRITE			0x02

+#define	FA_OPEN_EXISTING	0x00

+#define	FA_CREATE_NEW		0x04

+#define	FA_CREATE_ALWAYS	0x08

+#define	FA_OPEN_ALWAYS		0x10

+#define	FA_OPEN_APPEND		0x30

+

+/* Fast seek controls (2nd argument of f_lseek) */

+#define CREATE_LINKMAP	((FSIZE_t)0 - 1)

+

+/* Format options (2nd argument of f_mkfs) */

+#define FM_FAT		0x01

+#define FM_FAT32	0x02

+#define FM_EXFAT	0x04

+#define FM_ANY		0x07

+#define FM_SFD		0x08

+

+/* Filesystem type (FATFS.fs_type) */

+#define FS_FAT12	1

+#define FS_FAT16	2

+#define FS_FAT32	3

+#define FS_EXFAT	4

+

+/* File attribute bits for directory entry (FILINFO.fattrib) */

+#define	AM_RDO	0x01	/* Read only */

+#define	AM_HID	0x02	/* Hidden */

+#define	AM_SYS	0x04	/* System */

+#define AM_DIR	0x10	/* Directory */

+#define AM_ARC	0x20	/* Archive */

+

+

+#ifdef __cplusplus

+}

+#endif

+

+#endif /* FF_DEFINED */