twi.h File Reference

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

Data Structures
struct	twi_options_t
	Input parameters when initializing the twi module mode. More...
struct	twi_package_t
	Information concerning the data transmission. More...
struct	twi_slave_fct_t
	Pointer on TWI slave application routines. More...

Macros
Error Codes for the Module
#define	TWI_SUCCESS   0
#define	TWI_INVALID_ARGUMENT   -1
#define	TWI_ARBITRATION_LOST   -2
#define	TWI_NO_CHIP_FOUND   -3
#define	TWI_RECEIVE_OVERRUN   -4
#define	TWI_RECEIVE_NACK   -5
#define	TWI_SEND_OVERRUN   -6
#define	TWI_SEND_NACK   -7
#define	TWI_BUSY   -8

Functions
void	twi_disable_interrupt (volatile avr32_twi_t *twi)
	Disable all TWI interrupts. More...
bool	twi_is_busy (void)
	Test if a TWI read/write is pending. More...
static void	twi_master_disable (volatile avr32_twi_t *twi)
	Disable Master Mode of the TWI. More...
static void	twi_master_enable (volatile avr32_twi_t *twi)
	Enable Master Mode of the TWI. More...
int	twi_master_init (volatile avr32_twi_t *twi, const twi_options_t *opt)
	Initialize the twi master module. More...
int	twi_master_read (volatile avr32_twi_t *twi, const twi_package_t *package)
	Read multiple bytes from a TWI compatible slave device. More...
int	twi_master_write (volatile avr32_twi_t *twi, const twi_package_t *package)
	Write multiple bytes to a TWI compatible slave device. More...
int	twi_master_write_ex (volatile avr32_twi_t *twi, const twi_package_t *package)
	Write multiple bytes to a TWI compatible slave device. This function is not blocking. More...
int	twi_probe (volatile avr32_twi_t *twi, char chip_addr)
	Test if a chip answers for a given twi address. More...
int	twi_slave_init (volatile avr32_twi_t *twi, const twi_options_t *opt, const twi_slave_fct_t *slave_fct)
	Initialize the twi slave module. More...