eagle_Twi.h File Reference

this file contains the Twi class More...

#include <inttypes.h>
#include <avr/interrupt.h>
#include <compat/twi.h>
#include "pins_arduino.h"

Include dependency graph for eagle_Twi.h:

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Go to the source code of this file.

Macros
#define	TWI_FREQ   100000L
#define	TWI_BUFFER_LENGTH   32
#define	TWI_READY   0
#define	TWI_MRX   1
#define	TWI_MTX   2
#define	TWI_SRX   3
#define	TWI_STX   4
#define	TWI_READY   0
#define	TWI_MRX   1
#define	TWI_MTX   2
#define	TWI_SRX   3
#define	TWI_STX   4
#define	cbi(sfr, bit)   (_SFR_BYTE(sfr) &= ~_BV(bit))
#define	sbi(sfr, bit)   (_SFR_BYTE(sfr) |= _BV(bit))

Functions
void	twi_init (void)
void	twi_disable (void)
void	twi_setAddress (uint8_t)
void	twi_setFrequency (uint32_t)
uint8_t	twi_readFrom (uint8_t, uint8_t *, uint8_t, uint8_t)
uint8_t	twi_writeTo (uint8_t, uint8_t *, uint8_t, uint8_t, uint8_t)
uint8_t	twi_transmit (const uint8_t *, uint8_t)
void	twi_attachSlaveRxEvent (void(*)(uint8_t *, int))
void	twi_attachSlaveTxEvent (void(*)(void))
void	twi_reply (uint8_t)
void	twi_stop (void)
void	twi_releaseBus (void)

Variables
static volatile uint8_t	twi_state
static volatile uint8_t	twi_slarw
static volatile uint8_t	twi_sendStop
static volatile uint8_t	twi_inRepStart
static void(*	twi_onSlaveTransmit )(void)
static void(*	twi_onSlaveReceive )(uint8_t *, int)
static uint8_t	twi_masterBuffer [32]
static volatile uint8_t	twi_masterBufferIndex
static volatile uint8_t	twi_masterBufferLength
static uint8_t	twi_txBuffer [32]
static volatile uint8_t	twi_txBufferIndex
static volatile uint8_t	twi_txBufferLength
static uint8_t	twi_rxBuffer [32]
static volatile uint8_t	twi_rxBufferIndex
static volatile uint8_t	twi_error

Detailed Description

this file contains the Twi class

Last Updated:

Version

3.2.0a

Definition in file eagle_Twi.h.

Macro Definition Documentation

cbi

#define cbi	(		sfr,
			bit
	)		(_SFR_BYTE(sfr) &= ~_BV(bit))

Definition at line 65 of file eagle_Twi.h.

sbi

#define sbi	(		sfr,
			bit
	)		(_SFR_BYTE(sfr) |= _BV(bit))

Definition at line 69 of file eagle_Twi.h.

TWI_BUFFER_LENGTH

#define TWI_BUFFER_LENGTH   32

Definition at line 27 of file eagle_Twi.h.

TWI_FREQ

#define TWI_FREQ   100000L

Definition at line 17 of file eagle_Twi.h.

TWI_MRX [1/2]

#define TWI_MRX   1

Definition at line 54 of file eagle_Twi.h.

TWI_MRX [2/2]

#define TWI_MRX   1

Definition at line 54 of file eagle_Twi.h.

TWI_MTX [1/2]

#define TWI_MTX   2

Definition at line 55 of file eagle_Twi.h.

TWI_MTX [2/2]

#define TWI_MTX   2

Definition at line 55 of file eagle_Twi.h.

TWI_READY [1/2]

#define TWI_READY   0

Definition at line 53 of file eagle_Twi.h.

TWI_READY [2/2]

#define TWI_READY   0

Definition at line 53 of file eagle_Twi.h.

TWI_SRX [1/2]

#define TWI_SRX   3

Definition at line 56 of file eagle_Twi.h.

TWI_SRX [2/2]

#define TWI_SRX   3

Definition at line 56 of file eagle_Twi.h.

TWI_STX [1/2]

#define TWI_STX   4

Definition at line 57 of file eagle_Twi.h.

TWI_STX [2/2]

#define TWI_STX   4

Definition at line 57 of file eagle_Twi.h.

Function Documentation

twi_attachSlaveRxEvent()

void twi_attachSlaveRxEvent

(

void(*)(uint8_t *, int)

)

twi_attachSlaveTxEvent()

void twi_attachSlaveTxEvent

(

void(*)(void)

)

twi_disable()

void twi_disable

(

void

)

twi_init()

void twi_init

(

void

)

twi_readFrom()

uint8_t twi_readFrom	(	uint8_t	,
		uint8_t *	,
		uint8_t	,
		uint8_t
	)

twi_releaseBus()

void twi_releaseBus

(

void

)

twi_reply()

void twi_reply

(

uint8_t

)

twi_setAddress()

void twi_setAddress

(

uint8_t

)

twi_setFrequency()

void twi_setFrequency

(

uint32_t

)

twi_stop()

void twi_stop

(

void

)

twi_transmit()

uint8_t twi_transmit	(	const uint8_t *	,
		uint8_t
	)

twi_writeTo()

uint8_t twi_writeTo	(	uint8_t	,
		uint8_t *	,
		uint8_t	,
		uint8_t	,
		uint8_t
	)

Variable Documentation

twi_error

volatile uint8_t twi_error

static

Definition at line 93 of file eagle_Twi.h.

twi_inRepStart

volatile uint8_t twi_inRepStart

static

Definition at line 77 of file eagle_Twi.h.

twi_masterBuffer

uint8_t twi_masterBuffer[32]

static

Definition at line 82 of file eagle_Twi.h.

twi_masterBufferIndex

volatile uint8_t twi_masterBufferIndex

static

Definition at line 83 of file eagle_Twi.h.

twi_masterBufferLength

volatile uint8_t twi_masterBufferLength

static

Definition at line 84 of file eagle_Twi.h.

twi_onSlaveReceive

void(* twi_onSlaveReceive) (uint8_t *, int)

static

Definition at line 80 of file eagle_Twi.h.

twi_onSlaveTransmit

void(* twi_onSlaveTransmit) (void)

static

Definition at line 79 of file eagle_Twi.h.

twi_rxBuffer

uint8_t twi_rxBuffer[32]

static

Definition at line 90 of file eagle_Twi.h.

twi_rxBufferIndex

volatile uint8_t twi_rxBufferIndex

static

Definition at line 91 of file eagle_Twi.h.

twi_sendStop

volatile uint8_t twi_sendStop

static

Definition at line 76 of file eagle_Twi.h.

twi_slarw

volatile uint8_t twi_slarw

static

Definition at line 75 of file eagle_Twi.h.

twi_state

volatile uint8_t twi_state

static

Definition at line 74 of file eagle_Twi.h.

twi_txBuffer

uint8_t twi_txBuffer[32]

static

Definition at line 86 of file eagle_Twi.h.

twi_txBufferIndex

volatile uint8_t twi_txBufferIndex

static

Definition at line 87 of file eagle_Twi.h.

twi_txBufferLength

volatile uint8_t twi_txBufferLength

static

Definition at line 88 of file eagle_Twi.h.