DUNE::Hardware::I2C Class Reference

Classes
class	Error

Public Member Functions
	I2C (const std::string &bus_dev)
	~I2C (void)
int	transfer (uint8_t adr, uint8_t cmd, const uint8_t *wdata, uint8_t wlen, uint8_t *rdata, uint8_t rlen, uint8_t *bytes_read)
unsigned	read (uint8_t adr, uint8_t *bfr, unsigned bfr_len)
void	connect (uint8_t addr)
unsigned	read (uint8_t *bfr, unsigned bfr_len)
unsigned	write (const uint8_t *bfr, unsigned bfr_len)

Constructor & Destructor Documentation

DUNE::Hardware::I2C::I2C

(

const std::string &

bus_dev

)

I2C constructor.

References DUNE::System::Error::getLastMessage(), and DUNE::NotImplemented.

DUNE::Hardware::I2C::~I2C

(

void

)

I2C destructor.

Member Function Documentation

void DUNE::Hardware::I2C::connect

(

uint8_t

addr

)

Connect to slave address.

Parameters

addr	slave address.

References DUNE::System::Error::getLastMessage().

Referenced by Power::MCBv2::MCP23017::MCP23017(), and DUNE::Hardware::LUCL::Protocol::open().

unsigned DUNE::Hardware::I2C::read	(	uint8_t	adr,
		uint8_t *	bfr,
		unsigned	bfr_len
	)

Referenced by DUNE::Hardware::LUCL::Protocol::read(), and read().

unsigned DUNE::Hardware::I2C::read	(	uint8_t *	bfr,
		unsigned	bfr_len
	)

References DUNE::System::Error::getLastMessage(), and read().

int DUNE::Hardware::I2C::transfer	(	uint8_t	adr,
		uint8_t	cmd,
		const uint8_t *	wdata,
		uint8_t	wlen,
		uint8_t *	rdata,
		uint8_t	rlen,
		uint8_t *	bytes_read
	)

Initialize an I2C transfer.

Parameters

adr	slave address.
cmd	command to send.
wdata	data to write.
wlen	number of bytes to write (or in 0x80 for a block write).
rdata	place to store data read.
rlen	number of bytes to read (or in 0x80 for a block read).
bytes_read	place to store number of bytes read.

unsigned DUNE::Hardware::I2C::write	(	const uint8_t *	bfr,
		unsigned	bfr_len
	)

References DUNE::System::Error::getLastMessage().

Referenced by DUNE::Hardware::LUCL::Protocol::write().

Collaboration diagram for DUNE::Hardware::I2C: