PHAT32 Support

PHAT32 specific routines. More...

Collaboration diagram for PHAT32 Support:

Defines
#define	PHAT32CMASK   0x0FFFFFFF
Functions
int	Phat32GetClusterLink (NUTDEVICE *dev, uint32_t clust, uint32_t *link)
	Get link value of a specified cluster.
int	Phat32SetClusterLink (NUTDEVICE *dev, uint32_t clust, uint32_t link)
	Set link value of a specified cluster.
int	Phat32ReleaseChain (NUTDEVICE *dev, uint32_t first)
	Release a cluster chain.

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Detailed Description

PHAT32 specific routines.

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Define Documentation

#define PHAT32CMASK   0x0FFFFFFF

Definition at line 58 of file phat32.h.

Referenced by AllocFirstCluster(), Phat32GetClusterLink(), Phat32ReleaseChain(), Phat32SetClusterLink(), PhatFilePosSet(), PhatFileRead(), and PhatFileWrite().

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Function Documentation

int Phat32GetClusterLink	(	NUTDEVICE *	dev,
		uint32_t	clust,
		uint32_t *	link
	)

Get link value of a specified cluster.

Parameters:

dev	Specifies the file system device.
clust	Get the link of this cluster.
link	Pointer to a variable which will receive the link.

Returns:

0 on success or -1 on failure.

Definition at line 103 of file phat32.c.

References _NUTDEVICE::dev_dcb, PHAT32CMASK, PHATEOC, PhatSectorLoad(), _PHATSECTBUF::sect_data, and _PHATVOL::vol_buf.

Referenced by Phat32ReleaseChain(), PhatFilePosSet(), PhatFileRead(), and PhatFileWrite().

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int Phat32SetClusterLink	(	NUTDEVICE *	dev,
		uint32_t	clust,
		uint32_t	link
	)

Set link value of a specified cluster.

Parameters:

dev	Specifies the file system device.
clust	This cluster will be linked.
link	Link to this cluster.

Returns:

0 on success or -1 on failure.

Definition at line 138 of file phat32.c.

References _NUTDEVICE::dev_dcb, PHAT32CMASK, PhatSectorLoad(), _PHATSECTBUF::sect_data, _PHATSECTBUF::sect_dirty, _PHATVOL::vol_buf, and _PHATVOL::vol_tab_sect.

Referenced by AllocFirstCluster(), and Phat32ReleaseChain().

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int Phat32ReleaseChain	(	NUTDEVICE *	dev,
		uint32_t	first
	)

Release a cluster chain.

Parameters:

dev	Specifies the file system device.
first	First cluster of the chain to release.

Returns:

0 on success or -1 on failure.

Definition at line 170 of file phat32.c.

References _NUTDEVICE::dev_dcb, PHAT32CMASK, Phat32GetClusterLink(), Phat32SetClusterLink(), PHATEOC, and _PHATVOL::vol_numfree.

Referenced by PhatDirReleaseChain().

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