twis.c File Reference

TWIS driver for AVR32 UC3.

Copyright (c) 2009-2018 Microchip Technology Inc. and its subsidiaries.

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

Macros
#define	AVR32_TWIS_SR_ERROR_MASK
	Define all error conditions. More...

Functions
	ISR (twis_slave_interrupt_handler, CONF_TWIS_IRQ_GROUP, CONF_TWIS_IRQ_LEVEL)
	TWIS interrupt handler. More...
void	twis_send_data_ack (volatile avr32_twis_t *twis)
	Enable ACK transfer in Slave Receiver Mode. More...
void	twis_send_data_nack (volatile avr32_twis_t *twis, bool stop_callback)
	Enable NACK transfer in Slave Receive Mode. More...
status_code_t	twis_slave_init (volatile avr32_twis_t *twis, const twis_options_t *opt, const twis_slave_fct_t *slave_fct)
	Initialize the TWI Slave Module. More...

Variables
static volatile avr32_twis_t *	twis_inst_slave
	Pointer to the TWIS instance physical address. More...
static twis_slave_fct_t	twis_slave_fct
	Pointer on TWI slave application routines. More...

#define AVR32_TWIS_SR_ERROR_MASK

Value:

(AVR32_TWIS_SR_BUSERR_MASK     \
        | AVR32_TWIS_SR_SMBPECERR_MASK                  \
        | AVR32_TWIS_SR_SMBTOUT_MASK                    \
        | AVR32_TWIS_SR_ORUN_MASK                       \
        | AVR32_TWIS_SR_URUN_MASK)

Define all error conditions.

Referenced by ISR().

ISR	(	twis_slave_interrupt_handler	,
		CONF_TWIS_IRQ_GROUP	,
		CONF_TWIS_IRQ_LEVEL
	)

TWIS interrupt handler.

References AVR32_TWIS_SR_ERROR_MASK, twis_slave_fct_t::rx, status, twis_slave_fct_t::stop, twis_inst_slave, and twis_slave_fct_t::tx.

volatile avr32_twis_t* twis_inst_slave

static

Pointer to the TWIS instance physical address.

Referenced by ISR(), and twis_slave_init().

twis_slave_fct_t twis_slave_fct

static

Pointer on TWI slave application routines.