D:/Atmel/Projekte/AkkuTester/SW/Neueste/fat.h-Dateireferenz

Datenstrukturen
struct	PartInfo
struct	MBR
struct	RemBoot
struct	RemBoot32
union	endboot
struct	BootSec
struct	DirEntry
struct	DirEntryBuffer
Makrodefinitionen
#define	END_DIR   0
#define	NO_MATCH   1
#define	MATCH_NAME   2
#define	MATCH_EXT   3
#define	FULL_MATCH   MATCH_NAME + MATCH_EXT
#define	IOB_DATA   (U8)0x01
#define	IOB_FAT   (U8)0x02
#define	IOB_DIR   (U8)0x03
#define	PART1_TABLE_OFFSET   (U16) 0x01BE
#define	BYTE_PER_SEC   (U16) 512
#define	FAT12   (unsigned char) 12
#define	FAT16   (unsigned char) 16
#define	FAT32   (unsigned char) 32
#define	EOC12   (U16) 0xFF8
#define	EOC16   (U16) 0xFFF8
#define	EOC32   (unsigned long) 0x0FFFFFF8
#define	BADC12   (U16) 0xFF7
#define	BADC16   (U16) 0xFFF7
#define	BADC32   (unsigned long) 0x0FFFFFF7
#define	RESC12   (U16) 0xFF0
#define	RESC16   (U16) 0xFFF0
#define	RESC32   (unsigned long) 0x0FFFFFF0
#define	DISK_FULL   (U16) 0xFFFF
#define	ATTR_FILE   (unsigned char)0x00
#define	ATTR_READ_ONLY   (unsigned char)0x01
#define	ATTR_HIDDEN   (unsigned char)0x02
#define	ATTR_SYSTEM   (unsigned char)0x04
#define	ATTR_VOLUME_ID   (unsigned char)0x08
#define	ATTR_DIRECTORY   (unsigned char)0x10
#define	ATTR_ARCHIVE   (unsigned char)0x20
#define	ATTR_LONG_NAME   (unsigned char)0x0F
#define	ATTR_NO_ATTR   (unsigned char)0xFF
Typdefinitionen
typedef unsigned char	U8
typedef unsigned int	U16
typedef unsigned long	U32
Funktionen
unsigned char	GetDriveInformation (void)
void	UpdateFATBuffer (unsigned long newsector)
unsigned long	GetFirstSectorOfCluster (U16 n)
U16	GetNextClusterNumber (U16 cluster)
unsigned char	WriteClusterNumber (U16 cluster, U16 number)
U16	AllocCluster (U16 currentcluster)
U16	FindFreeCluster (U16 currentcluster)
unsigned char	WriteFATSector (unsigned long sector, unsigned char *buf)
unsigned char	WriteDirSector (unsigned long sector, unsigned char *buf)
unsigned char	WriteFileSector (unsigned long sector, unsigned char *buf)
unsigned char	ReadFATSector (unsigned long sector, unsigned char *buf)
unsigned char	ReadDirSector (unsigned long sector, unsigned char *buf)
unsigned char	ReadFileSector (unsigned long sector, unsigned char *buf)
Variablen
struct PartInfo	packed
U16	endofclusterchain
U16	maxcluster
unsigned long	maxsect
unsigned char	secPerCluster
unsigned long	BytesPerCluster
unsigned char	fatbuf []
unsigned char	iob []
unsigned long	FATFirstSector
unsigned long	FATCurrentSector
unsigned char	FATtype
unsigned char	FATStatus
unsigned char	iob_status
U16	FirstDirCluster
U16	FileFirstCluster
U16	FileCurrentCluster
unsigned long	FileCurrentSector
unsigned long	File1stClusterSector
unsigned long	FileClusterCount
unsigned long	FileDirSector
unsigned char	FileDirOffset
unsigned long	FileSize
unsigned long	FilePosition
unsigned char	FileFlag
unsigned char	FileAttr
char	FileName []
char	FileExt []
unsigned long	FirstRootSector
unsigned long	FirstDataSector
unsigned long	RootDirSectors

---

Makro-Dokumentation

#define ATTR_ARCHIVE   (unsigned char)0x20

#define ATTR_DIRECTORY   (unsigned char)0x10

#define ATTR_FILE   (unsigned char)0x00

#define ATTR_HIDDEN   (unsigned char)0x02

#define ATTR_LONG_NAME   (unsigned char)0x0F

#define ATTR_NO_ATTR   (unsigned char)0xFF

#define ATTR_READ_ONLY   (unsigned char)0x01

#define ATTR_SYSTEM   (unsigned char)0x04

#define ATTR_VOLUME_ID   (unsigned char)0x08

#define BADC12   (U16) 0xFF7

#define BADC16   (U16) 0xFFF7

#define BADC32   (unsigned long) 0x0FFFFFF7

#define BYTE_PER_SEC   (U16) 512

#define DISK_FULL   (U16) 0xFFFF

#define END_DIR   0

#define EOC12   (U16) 0xFF8

#define EOC16   (U16) 0xFFF8

#define EOC32   (unsigned long) 0x0FFFFFF8

#define FAT12   (unsigned char) 12

#define FAT16   (unsigned char) 16

#define FAT32   (unsigned char) 32

#define FULL_MATCH   MATCH_NAME + MATCH_EXT

#define IOB_DATA   (U8)0x01

#define IOB_DIR   (U8)0x03

#define IOB_FAT   (U8)0x02

#define MATCH_EXT   3

#define MATCH_NAME   2

#define NO_MATCH   1

#define PART1_TABLE_OFFSET   (U16) 0x01BE

#define RESC12   (U16) 0xFF0

#define RESC16   (U16) 0xFFF0

#define RESC32   (unsigned long) 0x0FFFFFF0

---

Dokumentation der benutzerdefinierten Typen

typedef unsigned int U16

typedef unsigned long U32

typedef unsigned char U8

---

Dokumentation der Funktionen

U16 AllocCluster

(

U16

currentcluster

)

U16 FindFreeCluster

(

U16

currentcluster

)

unsigned char GetDriveInformation

(

void

)

unsigned long GetFirstSectorOfCluster

(

U16

n

)

U16 GetNextClusterNumber

(

U16

cluster

)

unsigned char ReadDirSector	(	unsigned long	sector,
		unsigned char *	buf
	)

unsigned char ReadFATSector	(	unsigned long	sector,
		unsigned char *	buf
	)

unsigned char ReadFileSector	(	unsigned long	sector,
		unsigned char *	buf
	)

void UpdateFATBuffer

(

unsigned long

newsector

)

unsigned char WriteClusterNumber	(	U16	cluster,
		U16	number
	)

unsigned char WriteDirSector	(	unsigned long	sector,
		unsigned char *	buf
	)

unsigned char WriteFATSector	(	unsigned long	sector,
		unsigned char *	buf
	)

unsigned char WriteFileSector	(	unsigned long	sector,
		unsigned char *	buf
	)

---

Variablen-Dokumentation

unsigned long BytesPerCluster

U16 endofclusterchain

unsigned char fatbuf[]

unsigned long FATCurrentSector

unsigned long FATFirstSector

unsigned char FATStatus

unsigned char FATtype

unsigned long File1stClusterSector

unsigned char FileAttr

unsigned long FileClusterCount

U16 FileCurrentCluster

unsigned long FileCurrentSector

unsigned char FileDirOffset

unsigned long FileDirSector

char FileExt[]

U16 FileFirstCluster

unsigned char FileFlag

char FileName[]

unsigned long FilePosition

unsigned long FileSize

unsigned long FirstDataSector

U16 FirstDirCluster

unsigned long FirstRootSector

unsigned char iob[]

unsigned char iob_status

U16 maxcluster

unsigned long maxsect

struct DirEntryBuffer packed

unsigned long RootDirSectors

unsigned char secPerCluster