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| author | Jack Humbert <[email protected]> | 2017-07-07 11:55:23 -0400 | 
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| committer | Jack Humbert <[email protected]> | 2017-07-07 11:55:23 -0400 | 
| commit | 60b30c036397cb5627fa374bb930794b225daa29 (patch) | |
| tree | e156c2d6b27f01db6985f2cc560c9c345d48fdac /Projects/TempDataLogger/Lib/FATFs/ff.h | |
| download | qmk_firmware-60b30c036397cb5627fa374bb930794b225daa29.tar.gz qmk_firmware-60b30c036397cb5627fa374bb930794b225daa29.zip | |
Squashed 'lib/lufa/' content from commit 385d40300
git-subtree-dir: lib/lufa
git-subtree-split: 385d4030035dbaf41591309dbde47653bd03841b
Diffstat (limited to 'Projects/TempDataLogger/Lib/FATFs/ff.h')
| -rw-r--r-- | Projects/TempDataLogger/Lib/FATFs/ff.h | 337 | 
1 files changed, 337 insertions, 0 deletions
| diff --git a/Projects/TempDataLogger/Lib/FATFs/ff.h b/Projects/TempDataLogger/Lib/FATFs/ff.h new file mode 100644 index 0000000000..627cbaabe6 --- /dev/null +++ b/Projects/TempDataLogger/Lib/FATFs/ff.h @@ -0,0 +1,337 @@ +/*---------------------------------------------------------------------------/ +/  FatFs - FAT file system module include file  R0.09a    (C)ChaN, 2012 +/----------------------------------------------------------------------------/ +/ FatFs module is a generic FAT file system module for small embedded systems. +/ This is a free software that opened for education, research and commercial +/ developments under license policy of following terms. +/ +/  Copyright (C) 2012, ChaN, all right reserved. +/ +/ * The FatFs module is a free software and there is NO WARRANTY. +/ * No restriction on use. You can use, modify and redistribute it for +/   personal, non-profit or commercial product UNDER YOUR RESPONSIBILITY. +/ * Redistributions of source code must retain the above copyright notice. +/ +/----------------------------------------------------------------------------*/ + +#ifndef _FATFS +#define _FATFS	4004	/* Revision ID */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include "integer.h"	/* Basic integer types */ +#include "ffconf.h"		/* FatFs configuration options */ + +#if _FATFS != _FFCONF +#error Wrong configuration file (ffconf.h). +#endif + + + +/* Definitions of volume management */ + +#if _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			/* Always mounts the 1st partition or in SFD */ + +#endif + + + +/* Type of path name strings on FatFs API */ + +#if _LFN_UNICODE			/* Unicode string */ +#if !_USE_LFN +#error _LFN_UNICODE must be 0 in non-LFN cfg. +#endif +#ifndef _INC_TCHAR +typedef WCHAR TCHAR; +#define _T(x) L ## x +#define _TEXT(x) L ## x +#endif + +#else						/* ANSI/OEM string */ +#ifndef _INC_TCHAR +typedef char TCHAR; +#define _T(x) x +#define _TEXT(x) x +#endif + +#endif + + + +/* File system object structure (FATFS) */ + +typedef struct { +	BYTE	fs_type;		/* FAT sub-type (0:Not mounted) */ +	BYTE	drv;			/* Physical drive number */ +	BYTE	csize;			/* Sectors per cluster (1,2,4...128) */ +	BYTE	n_fats;			/* Number of FAT copies (1,2) */ +	BYTE	wflag;			/* win[] dirty flag (1:must be written back) */ +	BYTE	fsi_flag;		/* fsinfo dirty flag (1:must be written back) */ +	WORD	id;				/* File system mount ID */ +	WORD	n_rootdir;		/* Number of root directory entries (FAT12/16) */ +#if _MAX_SS != 512 +	WORD	ssize;			/* Bytes per sector (512, 1024, 2048 or 4096) */ +#endif +#if _FS_REENTRANT +	_SYNC_t	sobj;			/* Identifier of sync object */ +#endif +#if !_FS_READONLY +	DWORD	last_clust;		/* Last allocated cluster */ +	DWORD	free_clust;		/* Number of free clusters */ +	DWORD	fsi_sector;		/* fsinfo sector (FAT32) */ +#endif +#if _FS_RPATH +	DWORD	cdir;			/* Current directory start cluster (0:root) */ +#endif +	DWORD	n_fatent;		/* Number of FAT entries (= number of clusters + 2) */ +	DWORD	fsize;			/* Sectors per FAT */ +	DWORD	fatbase;		/* FAT start sector */ +	DWORD	dirbase;		/* Root directory start sector (FAT32:Cluster#) */ +	DWORD	database;		/* Data start sector */ +	DWORD	winsect;		/* Current sector appearing in the win[] */ +	BYTE	win[_MAX_SS];	/* Disk access window for Directory, FAT (and Data on tiny cfg) */ +} FATFS; + + + +/* File object structure (FIL) */ + +typedef struct { +	FATFS*	fs;				/* Pointer to the related file system object */ +	WORD	id;				/* File system mount ID of the related file system object */ +	BYTE	flag;			/* File status flags */ +	BYTE	pad1; +	DWORD	fptr;			/* File read/write pointer (0ed on file open) */ +	DWORD	fsize;			/* File size */ +	DWORD	sclust;			/* File data start cluster (0:no data cluster, always 0 when fsize is 0) */ +	DWORD	clust;			/* Current cluster of fpter */ +	DWORD	dsect;			/* Current data sector of fpter */ +#if !_FS_READONLY +	DWORD	dir_sect;		/* Sector containing the directory entry */ +	BYTE*	dir_ptr;		/* Pointer to the directory entry in the window */ +#endif +#if _USE_FASTSEEK +	DWORD*	cltbl;			/* Pointer to the cluster link map table (null on file open) */ +#endif +#if _FS_LOCK +	UINT	lockid;			/* File lock ID (index of file semaphore table Files[]) */ +#endif +#if !_FS_TINY +	BYTE	buf[_MAX_SS];	/* File data read/write buffer */ +#endif +} FIL; + + + +/* Directory object structure (DIR) */ + +typedef struct { +	FATFS*	fs;				/* Pointer to the owner file system object */ +	WORD	id;				/* Owner file system mount ID */ +	WORD	index;			/* Current read/write index number */ +	DWORD	sclust;			/* Table start cluster (0:Root dir) */ +	DWORD	clust;			/* Current cluster */ +	DWORD	sect;			/* Current sector */ +	BYTE*	dir;			/* Pointer to the current SFN entry in the win[] */ +	BYTE*	fn;				/* Pointer to the SFN (in/out) {file[8],ext[3],status[1]} */ +#if _USE_LFN +	WCHAR*	lfn;			/* Pointer to the LFN working buffer */ +	WORD	lfn_idx;		/* Last matched LFN index number (0xFFFF:No LFN) */ +#endif +} DIR; + + + +/* File status structure (FILINFO) */ + +typedef struct { +	DWORD	fsize;			/* File size */ +	WORD	fdate;			/* Last modified date */ +	WORD	ftime;			/* Last modified time */ +	BYTE	fattrib;		/* Attribute */ +	TCHAR	fname[13];		/* Short file name (8.3 format) */ +#if _USE_LFN +	TCHAR*	lfname;			/* Pointer to the LFN buffer */ +	UINT 	lfsize;			/* Size of LFN buffer in TCHAR */ +#endif +} FILINFO; + + + +/* 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 parameter error */ +	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_SHARE */ +	FR_INVALID_PARAMETER	/* (19) Given parameter is invalid */ +} FRESULT; + + + +/*--------------------------------------------------------------*/ +/* FatFs module application interface                           */ + +FRESULT f_mount (BYTE, FATFS*);						/* Mount/Unmount a logical drive */ +FRESULT f_open (FIL*, const TCHAR*, BYTE);			/* Open or create a file */ +FRESULT f_read (FIL*, void*, UINT, UINT*);			/* Read data from a file */ +FRESULT f_lseek (FIL*, DWORD);						/* Move file pointer of a file object */ +FRESULT f_close (FIL*);								/* Close an open file object */ +FRESULT f_opendir (DIR*, const TCHAR*);				/* Open an existing directory */ +FRESULT f_readdir (DIR*, FILINFO*);					/* Read a directory item */ +FRESULT f_stat (const TCHAR*, FILINFO*);			/* Get file status */ +FRESULT f_write (FIL*, const void*, UINT, UINT*);	/* Write data to a file */ +FRESULT f_getfree (const TCHAR*, DWORD*, FATFS**);	/* Get number of free clusters on the drive */ +FRESULT f_truncate (FIL*);							/* Truncate file */ +FRESULT f_sync (FIL*);								/* Flush cached data of a writing file */ +FRESULT f_unlink (const TCHAR*);					/* Delete an existing file or directory */ +FRESULT	f_mkdir (const TCHAR*);						/* Create a new directory */ +FRESULT f_chmod (const TCHAR*, BYTE, BYTE);			/* Change attribute of the file/dir */ +FRESULT f_utime (const TCHAR*, const FILINFO*);		/* Change times-tamp of the file/dir */ +FRESULT f_rename (const TCHAR*, const TCHAR*);		/* Rename/Move a file or directory */ +FRESULT f_chdrive (BYTE);							/* Change current drive */ +FRESULT f_chdir (const TCHAR*);						/* Change current directory */ +FRESULT f_getcwd (TCHAR*, UINT);					/* Get current directory */ +FRESULT f_forward (FIL*, UINT(*)(const BYTE*,UINT), UINT, UINT*);	/* Forward data to the stream */ +FRESULT f_mkfs (BYTE, BYTE, UINT);					/* Create a file system on the drive */ +FRESULT	f_fdisk (BYTE, const DWORD[], void*);		/* Divide a physical drive into some partitions */ +int f_putc (TCHAR, FIL*);							/* Put a character to the file */ +int f_puts (const TCHAR*, FIL*);					/* Put a string to the file */ +int f_printf (FIL*, const TCHAR*, ...);				/* Put a formatted string to the file */ +TCHAR* f_gets (TCHAR*, int, FIL*);					/* Get a string from the file */ + +#define f_eof(fp) (((fp)->fptr == (fp)->fsize) ? 1 : 0) +#define f_error(fp) (((fp)->flag & FA__ERROR) ? 1 : 0) +#define f_tell(fp) ((fp)->fptr) +#define f_size(fp) ((fp)->fsize) + +#ifndef EOF +#define EOF (-1) +#endif + + + + +/*--------------------------------------------------------------*/ +/* Additional user defined functions                            */ + +/* RTC function */ +#if !_FS_READONLY +DWORD get_fattime (void); +#endif + +/* Unicode support functions */ +#if _USE_LFN						/* Unicode - OEM code conversion */ +WCHAR ff_convert (WCHAR, UINT);		/* OEM-Unicode bidirectional conversion */ +WCHAR ff_wtoupper (WCHAR);			/* Unicode upper-case conversion */ +#if _USE_LFN == 3					/* Memory functions */ +void* ff_memalloc (UINT);			/* Allocate memory block */ +void ff_memfree (void*);			/* Free memory block */ +#endif +#endif + +/* Sync functions */ +#if _FS_REENTRANT +int ff_cre_syncobj (BYTE, _SYNC_t*);/* Create a sync object */ +int ff_req_grant (_SYNC_t);			/* Lock sync object */ +void ff_rel_grant (_SYNC_t);		/* Unlock sync object */ +int ff_del_syncobj (_SYNC_t);		/* Delete a sync object */ +#endif + + + + +/*--------------------------------------------------------------*/ +/* Flags and offset address                                     */ + + +/* File access control and file status flags (FIL.flag) */ + +#define	FA_READ				0x01 +#define	FA_OPEN_EXISTING	0x00 +#define FA__ERROR			0x80 + +#if !_FS_READONLY +#define	FA_WRITE			0x02 +#define	FA_CREATE_NEW		0x04 +#define	FA_CREATE_ALWAYS	0x08 +#define	FA_OPEN_ALWAYS		0x10 +#define FA__WRITTEN			0x20 +#define FA__DIRTY			0x40 +#endif + + +/* FAT sub type (FATFS.fs_type) */ + +#define FS_FAT12	1 +#define FS_FAT16	2 +#define FS_FAT32	3 + + +/* File attribute bits for directory entry */ + +#define	AM_RDO	0x01	/* Read only */ +#define	AM_HID	0x02	/* Hidden */ +#define	AM_SYS	0x04	/* System */ +#define	AM_VOL	0x08	/* Volume label */ +#define AM_LFN	0x0F	/* LFN entry */ +#define AM_DIR	0x10	/* Directory */ +#define AM_ARC	0x20	/* Archive */ +#define AM_MASK	0x3F	/* Mask of defined bits */ + + +/* Fast seek feature */ +#define CREATE_LINKMAP	0xFFFFFFFF + + + +/*--------------------------------*/ +/* Multi-byte word access macros  */ + +#if _WORD_ACCESS == 1	/* Enable word access to the FAT structure */ +#define	LD_WORD(ptr)		(WORD)(*(WORD*)(BYTE*)(ptr)) +#define	LD_DWORD(ptr)		(DWORD)(*(DWORD*)(BYTE*)(ptr)) +#define	ST_WORD(ptr,val)	*(WORD*)(BYTE*)(ptr)=(WORD)(val) +#define	ST_DWORD(ptr,val)	*(DWORD*)(BYTE*)(ptr)=(DWORD)(val) +#else					/* Use byte-by-byte access to the FAT structure */ +#define	LD_WORD(ptr)		(WORD)(((WORD)*((BYTE*)(ptr)+1)<<8)|(WORD)*(BYTE*)(ptr)) +#define	LD_DWORD(ptr)		(DWORD)(((DWORD)*((BYTE*)(ptr)+3)<<24)|((DWORD)*((BYTE*)(ptr)+2)<<16)|((WORD)*((BYTE*)(ptr)+1)<<8)|*(BYTE*)(ptr)) +#define	ST_WORD(ptr,val)	*(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8) +#define	ST_DWORD(ptr,val)	*(BYTE*)(ptr)=(BYTE)(val); *((BYTE*)(ptr)+1)=(BYTE)((WORD)(val)>>8); *((BYTE*)(ptr)+2)=(BYTE)((DWORD)(val)>>16); *((BYTE*)(ptr)+3)=(BYTE)((DWORD)(val)>>24) +#endif + +#ifdef __cplusplus +} +#endif + +#endif /* _FATFS */ | 
