at91_twi.c File Reference

#include <arch/arm.h>
#include <dev/irqreg.h>
#include <sys/event.h>
#include <sys/atom.h>
#include <sys/timer.h>
#include <sys/thread.h>
#include <sys/heap.h>
#include <dev/twif.h>

Include dependency graph for at91_twi.c:

Go to the source code of this file.

Defines
#define	TWI_PIO_ASR   PIOA_ASR
#define	TWI_PIO_PDR   PIOA_PDR
#define	TWI_PIO_MDER   PIOA_MDER
Functions
int	TwMasterTransact (uint8_t sla, CONST void *txdata, uint16_t txlen, void *rxdata, uint16_t rxsiz, uint32_t tmo)
	Transmit and/or receive data as a master.
int	TwMasterRegRead (uint8_t sla, uint32_t iadr, uint8_t iadrlen, void *rxdata, uint16_t rxsiz, uint32_t tmo)
	Receive data as a master from a device having internal addressable registers.
int	TwMasterRegWrite (uint8_t sla, uint32_t iadr, uint8_t iadrlen, CONST void *txdata, uint16_t txsiz, uint32_t tmo)
	Transmit data as a master to a device having internal addressable registers.
int	TwMasterError (void)
	Get last master mode error.
uint16_t	TwMasterIndexes (uint8_t idx)
	Get last transfer results.
int	TwIOCtl (int req, void *conf)
	Perform TWI control functions.
int	TwInit (uint8_t sla)
	Initialize TWI interface.