mdma.h File Reference

#include <avr32/io.h>
#include "compiler.h"

Data Structures
struct	mdma_descriptor_t
	MDMA Descriptor Structure Definition. More...
struct	mdma_interrupt_t
	MDMA interrupts. More...
struct	mdma_opt_t
	MDMA Option Settings. More...

Macros
#define	MDMA_DEFAULT_TIMEOUT   10000
	Default time-out value (number of attempts). More...
#define	MDMA_INVALID_ARGUMENT   (-1)
	MDMA driver functions return value in case of invalid argument(s). More...
Return Values
#define	MDMA_SUCCESS   0
	Successful completion. More...
#define	MDMA_FAILURE   -1
	Failure because of some unspecified reason. More...
MDMA Transfer Size
#define	MDMA_TRANSFERT_SIZE_BYTE   (0)
#define	MDMA_TRANSFERT_SIZE_HLFW   (1)
#define	MDMA_TRANSFERT_SIZE_WORD   (2)
MDMA Channel Mode
#define	MDMA_SINGLE_TRANSFERT_MODE   (0)
#define	MDMA_DESCRIPTOR_MODE   (1)
MDMA Arbitration Mode
#define	MDMA_FIXED_PRIORITY_MODE   (0)
#define	MDMA_ROUND_ROBIN_MODE   (1)
MDMA Burst Transfer Size
#define	MDMA_SINGLE_TRANSFER_BURST   (0)
#define	MDMA_4_BEAT_BURST   (1)
#define	MDMA_8_BEAT_BURST   (2)
#define	MDMA_16_BEAT_BURST   (3)

Functions
int	mdma_channels_is_enable (volatile avr32_mdma_t *mdma, U32 channels)
	Check if a DMA Transfer for a Channel is enable. More...
void	mdma_configure_interrupts (volatile avr32_mdma_t *mdma, const mdma_interrupt_t *bitfield)
	Enables various MDMA interrupts. More...
void	mdma_descriptor_mode_xfert_init (volatile avr32_mdma_t *mdma, U32 channel, U32 *start_adress)
	Init a Descriptor Mode Transfer for a Channel. More...
unsigned long	mdma_get_interrupt_settings (volatile avr32_mdma_t *mdma)
	MDMA interrupt settings. More...
void	mdma_single_mode_xfert_init (volatile avr32_mdma_t *mdma, U32 channel, const mdma_opt_t *opt, U32 *src, U32 *dest)
	Init a Single Mode Transfer for a Channel. More...
void	mdma_start_descriptor_xfert (volatile avr32_mdma_t *mdma, U32 channels, U8 arbitration)
	Start a Descriptor DMA Transfer for a Channel. More...
void	mdma_start_single_xfert (volatile avr32_mdma_t *mdma, U32 channels, U8 arbitration)
	Start a Single DMA Transfer for a Channel. More...
int	mdma_stop_channels (volatile avr32_mdma_t *mdma, U32 channels)
	Stop a DMA Transfer for a Channel. More...