fifo.h File Reference

Macros to assess FIFO status. More...

#include <kos/cdefs.h>
#include <kos/regfield.h>

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Macros
#define	FIFO_STATUS   (*(volatile uint32_t const *)0xa05f688c)
	Address of the FIFO status register.
FIFO Status Indicators
Note To determine the empty status of a specific FIFO, AND the desired FIFO status mask with the value returned by FIFO_STATUS. If the resulting value is non-zero, the FIFO is not empty. Otherwise, it is empty.
#define	FIFO_AICA   BIT(0) /** \brief AICA FIFO status mask. */
#define	FIFO_BBA   BIT(1) /** \brief BBA FIFO status mask. */
#define	FIFO_EXT2   BIT(2) /** \brief EXT2 FIFO status mask. */
#define	FIFO_EXTDEV   BIT(3) /** \brief EXTDEV FIFO status mask. */
#define	FIFO_G2   BIT(4) /** \brief G2 FIFO status mask. */
#define	FIFO_SH4   BIT(5) /** \brief SH4 FIFO status mask. */

Detailed Description

Macros to assess FIFO status.

This header provides a set of macros to facilitate checking the status of various FIFOs on the system.

Author

Andy Barajas