V4PCIDspFifo Class Reference

Inheritance diagram for V4PCIDspFifo:

Collaboration diagram for V4PCIDspFifo:

List of all members.

Public Member Functions
	V4PCIDspFifo (Hip *hip, unsigned short board, unsigned short fifo_addr)
	Open a link to a DSP FIFO. Assumes the DSP has been booted.
Status	Write (uint16_t *buf, size_t len)
	Write a block of words from the PC to a DSP FIFO.
Status	Read (uint16_t *buf, size_t len)
	Read a block of words from a DSP FIFO to the PC.
size_t	HowFull ()
	Return the number of words used in the DSP FIFO.
size_t	HowEmpty ()
	Returns the number of words free in the DSP FIFO.
void	Flush ()

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Member Function Documentation

Fifo::Status V4PCIDspFifo::Read	(	uint16_t *	buf,
		size_t	len
	)		[virtual]

Read a block of words from a DSP FIFO to the PC.

Returns:

Fifo::OK if successful, or Fifo::EMPTY if size words could not be read from it atomically.

Implements Fifo.

Fifo::Status V4PCIDspFifo::Write	(	uint16_t *	buf,
		size_t	len
	)		[virtual]

Write a block of words from the PC to a DSP FIFO.

Returns:

Fifo::OK if successful, or Fifo::FULL if size words could not be written to it atomically.

Implements Fifo.