TivaEEPROMFile Class Reference

Inheritance diagram for TivaEEPROMFile:

Public Member Functions
	TivaEEPROMFile (const char *name, unsigned byte_offset, unsigned byte_size)
int	fstat (File *file, struct stat *stat) override
	Implements querying the file size.
ssize_t	write (unsigned int index, const void *buf, size_t len) override
	Write to the eeprom.
ssize_t	read (unsigned int index, void *buf, size_t len) override
	Read from the eeprom.
Public Member Functions inherited from Device
	Device (const char *name)
	Constructor.
virtual	~Device ()
	Destructor.

Private Attributes
uint16_t	byteOffset_
	Address in the EEPROM of the first byte of this file.
uint16_t	byteSize_
	Total number of bytes in this file.

Additional Inherited Members
Static Public Member Functions inherited from Device
static int	open (struct _reent *reent, const char *path, int flags, int mode)
	Open a file or device.
static int	close (struct _reent *reent, int fd)
	Close a file or device.
static int	stat (struct _reent *reent, const char *path, struct stat *stat)
	Get the status information of a file or device.
static int	select (int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, long long timeout)
	POSIX select().
static void	select_clear ()
	Clears the current thread's select bits.
Static Public Member Functions inherited from FileIO
static ssize_t	read (struct _reent *reent, int fd, void *buf, size_t count)
	Read from a file or device.
static ssize_t	write (struct _reent *reent, int fd, const void *buf, size_t count)
	Write to a file or device.
static _off_t	lseek (struct _reent *reent, int fd, _off_t offset, int whence)
	Change the offset index of a file or device.
static int	fstat (struct _reent *reent, int fd, struct stat *stat)
	Get the status information of a file or device.
static int	ioctl (int fd, unsigned long int key, unsigned long data)
	Request and ioctl transaction.
static int	fcntl (int fd, int cmd, unsigned long data)
	Manipulate a file descriptor.
static bool	is_device (int fd)
	Test if the file descriptor belongs to a device.
Protected Member Functions inherited from DeviceFile
	DeviceFile (const char *name)
	Constructor.
	~DeviceFile ()
	Destructor.
int	open (File *file, const char *path, int flags, int mode) OVERRIDE
	Open a device.
Protected Member Functions inherited from Node
	Node (const char *name)
	Constructor.
virtual	~Node ()
	Destructor.
int	open (File *, const char *, int, int) OVERRIDE
	Open method.
int	close (File *) OVERRIDE
	Close method.
Protected Member Functions inherited from FileIO
	FileIO (const char *name)
	Constructor.
virtual	~FileIO ()
	Destructor.
virtual off_t	lseek (File *f, off_t offset, int whence)
	Seek method.
virtual int	ioctl (File *file, unsigned long int key, unsigned long data)
	Request an ioctl transaction.
virtual int	fcntl (File *file, int cmd, unsigned long data)
	Manipulate a file descriptor.
virtual bool	select (File *file, int mode)
	Device select method.
Static Protected Member Functions inherited from Device
static void	select_insert (SelectInfo *info)
	Add client to list of clients needing woken.
static void	select_wakeup (SelectInfo *info)
	Wakeup the list of clients needing woken.
static void	select_wakeup_from_isr (SelectInfo *info, int *woken)
	Wakeup the list of clients needing woken.
Static Protected Member Functions inherited from FileIO
static int	fd_alloc (void)
	Allocate a free file descriptor.
static void	fd_free (int fd)
	Free up a file descriptor.
static File *	file_lookup (int fd)
	Looks up a reference to a File corresponding to a given file descriptor.
static int	fd_lookup (File *file)
	Looks up a file descriptor corresponding to a given File reference.
Protected Attributes inherited from Node
OSMutex	lock_
	protects internal structures.
mode_t	mode_
	File open mode, such as O_NONBLOCK.
unsigned int	references_
	number of open references
Protected Attributes inherited from FileIO
const char *	name
	device name
Static Protected Attributes inherited from FileIO
static const unsigned int	numOpenFiles = 20
static File	files []
	File descriptor pool.
static OSMutex	mutex
	mutual exclusion for fileio

Detailed Description

Definition at line 46 of file TivaEEPROMFile.hxx.

Constructor & Destructor Documentation

TivaEEPROMFile()

TivaEEPROMFile::TivaEEPROMFile ( const char *  name, unsigned  byte_offset, unsigned  byte_size  )

inline

Definition at line 49 of file TivaEEPROMFile.hxx.

Member Function Documentation

fstat()

int TivaEEPROMFile::fstat ( File *  file, struct stat *  stat  )

inlineoverridevirtual

Implements querying the file size.

Reimplemented from Node.

Definition at line 64 of file TivaEEPROMFile.hxx.

read()

ssize_t TivaEEPROMFile::read ( unsigned int  index, void *  buf, size_t  len  )

inlineoverridevirtual

Read from the eeprom.

Parameters

index	index within DeviceFile address space to start read
buf	location to post read data
len	length in bytes of data to read

Returns

number of bytes read upon success, -errno upon failure

Implements DeviceFile.

Definition at line 123 of file TivaEEPROMFile.hxx.

write()

ssize_t TivaEEPROMFile::write ( unsigned int  index, const void *  buf, size_t  len  )

inlineoverridevirtual

Write to the eeprom.

Parameters

index	index within the file address space to start write
buf	data to write
len	length in bytes of data to write

Returns

number of bytes written upon success, -errno upon failure

Implements DeviceFile.

Definition at line 76 of file TivaEEPROMFile.hxx.

Member Data Documentation

byteOffset_

uint16_t TivaEEPROMFile::byteOffset_

private

Address in the EEPROM of the first byte of this file.

Definition at line 165 of file TivaEEPROMFile.hxx.

byteSize_

uint16_t TivaEEPROMFile::byteSize_

private

Total number of bytes in this file.

Definition at line 167 of file TivaEEPROMFile.hxx.

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The documentation for this class was generated from the following file:

• TivaEEPROMFile.hxx