dma.c File Reference

#include <sys/dma.h>
#include <sys/io.h>

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Macros
#define	highByte(x)   ((x & 0xFF00) >> 8)
#define	lowByte(x)   (x & 0x00FF)

Functions
void	_dmaXfer (uInt8 dmaChannel, uInt8 page, uInt offset, uInt length, uInt8 mode)
void	dmaXfer (uint8_t channel, uint32_t address, uInt length, uint8_t read)

Macro Definition Documentation

highByte

#define highByte

(

x

)

((x & 0xFF00) >> 8)

Definition at line 33 of file dma.c.

lowByte

#define lowByte

(

x

)

(x & 0x00FF)

Definition at line 32 of file dma.c.

Function Documentation

_dmaXfer()

void _dmaXfer	(	uInt8	dmaChannel,
		uInt8	page,
		uInt	offset,
		uInt	length,
		uInt8	mode
	)

Definition at line 57 of file dma.c.

References outportByte().

Referenced by dmaXfer().

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dmaXfer()

void dmaXfer	(	uint8_t	channel,
		uint32_t	address,
		uInt	length,
		uint8_t	read
	)

Definition at line 42 of file dma.c.

References _dmaXfer(), and read().

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