BSdio Class Reference

#include <BSdio.h>

Inheritance diagram for BSdio:

Public Types
enum	ResponseType { ResponseNone = 0x00, ResponseShort = 0x40, ResponseLong = 0xC0 }

Public Member Functions
	BSdio ()
BError	init (BUInt8 sysdev, BUInt speedKHz=400)
	Initialise the device. More...
BError	getInfo (BUInt32 dev, BUInt32 &nBlocks, BUInt32 &blockSize, BUInt32 &eraseBlockSize)
BError	read (BUInt32 dev, BUInt32 blockNumber, void *data, BUInt32 nBlocks)
	Read data from card. More...
BError	write (BUInt32 dev, BUInt32 blockNumber, const void *data, BUInt32 nBlocks)
	Write data to card. More...
BError	trim (BUInt32 dev, BUInt32 blockNumber, BUInt32 num)
	Mark blocks as free. More...
BError	erase (BUInt32 dev, BUInt32 blockNumber, BUInt32 num, Bool now)
	Erase blocks. More...
BSdioDevice::CardType	getCardType (BUInt32 dev)
	returns the card type More...
BError	backgroundEnable (BUInt32 dev, Bool on)
BError	sync (BUInt32 dev)
void	printStatus ()
	Debug print of status. More...
void	interrupt ()
Public Member Functions inherited from BBlockDevice
	BBlockDevice ()
virtual	~BBlockDevice ()
virtual BError	init ()
virtual BError	close ()
virtual BUInt32	numDevices ()
virtual BError	status (BUInt32 dev)
virtual BError	erase (BUInt32 dev, BUInt32 block, BUInt32 nBlocks)

Protected Member Functions
BError	cardInit ()
BError	busFullSpeed ()
BError	select (BUInt dev)
	Select a particular card. More...
BError	getStatus (BUInt32 &status)
BError	sendCmd (BUInt cmd, BUInt32 arg, ResponseType rType, Bool cpsm, Bool wait, BUInt32 *response)

Protected Attributes
BMutex	olock
	Lock for multi-threadded access. More...
SDIO_TypeDef *	osdmmc
	The SDMMC device. More...
BUInt	ospeed
	Clockrate of interface. More...
BDma	odma
	The DMAB. More...
BSemaphore	oend
	End of transaction semaphore. More...
BSdioDevice	ocards [2]
int	ocard
Protected Attributes inherited from BBlockDevice
BUInt	onumDevices
	The number of devices. More...

Member Enumeration Documentation

ResponseType

enum BSdio::ResponseType

Enumerator
ResponseNone
ResponseShort
ResponseLong

Constructor & Destructor Documentation

BSdio()

BSdio::BSdio

(

)

Member Function Documentation

backgroundEnable()

BError BSdio::backgroundEnable	(	BUInt32	dev,
		Bool	on
	)

busFullSpeed()

BError BSdio::busFullSpeed ( )

protected

cardInit()

BError BSdio::cardInit ( )

protected

erase()

BError BSdio::erase	(	BUInt32	dev,
		BUInt32	blockNumber,
		BUInt32	num,
		Bool	now
	)

Erase blocks.

getCardType()

BSdioDevice::CardType BSdio::getCardType

(

BUInt32

dev

)

returns the card type

getInfo()

BError BSdio::getInfo ( BUInt32  dev, BUInt32 &  nBlocks, BUInt32 &  blockSize, BUInt32 &  eraseBlockSize  )

virtual

Implements BBlockDevice.

getStatus()

BError BSdio::getStatus ( BUInt32 &  status )

protected

init()

BError BSdio::init	(	BUInt8	sysdev,
		BUInt	speedKHz = 400
	)

Initialise the device.

interrupt()

void BSdio::interrupt

(

)

printStatus()

void BSdio::printStatus

(

)

Debug print of status.

read()

BError BSdio::read ( BUInt32  dev, BUInt32  blockNumber, void *  data, BUInt32  nBlocks  )

virtual

Read data from card.

Implements BBlockDevice.

select()

BError BSdio::select ( BUInt  dev )

protected

Select a particular card.

sendCmd()

BError BSdio::sendCmd ( BUInt  cmd, BUInt32  arg, ResponseType  rType, Bool  cpsm, Bool  wait, BUInt32 *  response  )

protected

sync()

BError BSdio::sync

(

BUInt32

dev

)

trim()

BError BSdio::trim ( BUInt32  dev, BUInt32  blockNumber, BUInt32  num  )

virtual

Mark blocks as free.

Reimplemented from BBlockDevice.

write()

BError BSdio::write ( BUInt32  dev, BUInt32  blockNumber, const void *  data, BUInt32  nBlocks  )

virtual

Write data to card.

Implements BBlockDevice.

Member Data Documentation

ocard

int BSdio::ocard

protected

ocards

BSdioDevice BSdio::ocards[2]

protected

odma

BDma BSdio::odma

protected

The DMAB.

oend

BSemaphore BSdio::oend

protected

End of transaction semaphore.

olock

BMutex BSdio::olock

protected

Lock for multi-threadded access.

osdmmc

SDIO_TypeDef* BSdio::osdmmc

protected

The SDMMC device.

ospeed

BUInt BSdio::ospeed

protected

Clockrate of interface.

---

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

• BSdio.h
• BSdio.cpp