OneWire Class Reference

Public Member Functions
	OneWire (uint8_t pin, bool pullup=true)
uint8_t	reset (void)
void	select (const uint8_t rom[8])
void	skip (void)
void	write (uint8_t v, uint8_t power=0)
void	write_bytes (const uint8_t *buf, uint16_t count, bool power=0)
uint8_t	read (void)
void	read_bytes (uint8_t *buf, uint16_t count)
void	write_bit (uint8_t v)
uint8_t	read_bit (void)
void	depower (void)
void	reset_search ()
void	target_search (uint8_t family_code)
uint8_t	search (uint8_t *newAddr)

Static Public Member Functions
static uint8_t	crc8 (const uint8_t *addr, uint8_t len)
static bool	check_crc16 (const uint8_t *input, uint16_t len, const uint8_t *inverted_crc, uint16_t crc=0)
static uint16_t	crc16 (const uint8_t *input, uint16_t len, uint16_t crc=0)

Private Attributes
IO_REG_TYPE	bitmask
volatile IO_REG_TYPE *	baseReg
unsigned char	ROM_NO [8]
uint8_t	LastDiscrepancy
uint8_t	LastFamilyDiscrepancy
uint8_t	LastDeviceFlag

Constructor & Destructor Documentation

OneWire::OneWire	(	uint8_t	pin,
		bool	pullup = true
	)

Member Function Documentation

bool OneWire::check_crc16 ( const uint8_t *  input, uint16_t  len, const uint8_t *  inverted_crc, uint16_t  crc = 0  )

static

uint16_t OneWire::crc16 ( const uint8_t *  input, uint16_t  len, uint16_t  crc = 0  )

static

uint8_t OneWire::crc8 ( const uint8_t *  addr, uint8_t  len  )

static

void OneWire::depower

(

void

)

uint8_t OneWire::read

(

void

)

uint8_t OneWire::read_bit

(

void

)

void OneWire::read_bytes	(	uint8_t *	buf,
		uint16_t	count
	)

uint8_t OneWire::reset

(

void

)

void OneWire::reset_search

(

)

uint8_t OneWire::search

(

uint8_t *

newAddr

)

void OneWire::select

(

const uint8_t

rom[8]

)

void OneWire::skip

(

void

)

void OneWire::target_search

(

uint8_t

family_code

)

void OneWire::write	(	uint8_t	v,
		uint8_t	power = 0
	)

void OneWire::write_bit

(

uint8_t

v

)

void OneWire::write_bytes	(	const uint8_t *	buf,
		uint16_t	count,
		bool	power = 0
	)

Member Data Documentation

volatile IO_REG_TYPE* OneWire::baseReg

private

IO_REG_TYPE OneWire::bitmask

private

uint8_t OneWire::LastDeviceFlag

private

uint8_t OneWire::LastDiscrepancy

private

uint8_t OneWire::LastFamilyDiscrepancy

private

unsigned char OneWire::ROM_NO[8]

private