qwiic_mcp4725.QwiicMCP4725 Class Reference

Inheritance diagram for qwiic_mcp4725.QwiicMCP4725:

Public Member Functions
def	__init__ (self, address=None, i2c_driver=None)
	Constructor. More...
def	is_connected (self)
	Determines if this device is connected. More...
def	begin (self)
	Initializes this device with default parameters. More...
def	write_block_no_address (self, data)
	Writes a block of data to the device without specifying an address. More...
def	write_fast_mode (self, value, powerDownMode=kPowerDownModeNormal)
	Updates DAC register in fast mode. More...
def	write_dac (self, value, powerDownMode=kPowerDownModeNormal)
	Updates DAC register. More...
def	write_dac_eeprom (self, value, powerDownMode=kPowerDownModeNormal)
	Updates DAC register and EEPROM register. More...
def	read_dac_eeprom (self)
	Reads the DAC and EEPROM registers. More...

Public Attributes
	address

Static Public Attributes
	device_name = _DEFAULT_NAME
	available_addresses = _AVAILABLE_I2C_ADDRESS
int	kPowerDownModeNormal = 0
int	kPowerDownMode1K = 1
int	kPowerDownMode100K = 2
int	kPowerDownMode500K = 3

Properties
	connected = property(is_connected)

Constructor & Destructor Documentation

__init__()

def qwiic_mcp4725.QwiicMCP4725.__init__	(		self,
			address = None,
			i2c_driver = None
	)

Constructor.

Parameters

int,optional	address: The I2C address to use for the device If not provided, the default address is used
I2CDriver,optional	i2c_driver: An existing i2c driver object If not provided, a driver object is created

Member Function Documentation

begin()

def qwiic_mcp4725.QwiicMCP4725.begin

(

self

)

Initializes this device with default parameters.

Returns

bool Returns True if successful, otherwise False

is_connected()

def qwiic_mcp4725.QwiicMCP4725.is_connected

(

self

)

Determines if this device is connected.

Returns

bool True if connected, otherwise False

read_dac_eeprom()

def qwiic_mcp4725.QwiicMCP4725.read_dac_eeprom

(

self

)

Reads the DAC and EEPROM registers.

Returns

dict A dictionary containing the DAC and EEPROM register values and flags

The dictionary contains the following keys:

• rdy_flag: Ready flag
• por_flag: Power-on reset flag
• dac_power_down_mode: DAC power down mode
• dac_value: DAC register value
• eeprom_power_down_mode: EEPROM power down mode
• eeprom_value: EEPROM register value

write_block_no_address()

def qwiic_mcp4725.QwiicMCP4725.write_block_no_address	(		self,
			data
	)

Writes a block of data to the device without specifying an address.

Parameters

list	data: Bytes to write to the device

write_dac()

def qwiic_mcp4725.QwiicMCP4725.write_dac	(		self,
			value,
			powerDownMode = kPowerDownModeNormal
	)

Updates DAC register.

Parameters

int	value: 12-bit value to write to DAC register
int	powerDownMode: Power down mode to write to DAC register

Allowable values for powerDownMode are:

• kPowerDownModeNormal
• kPowerDownMode1K
• kPowerDownMode100K
• kPowerDownMode500K

write_dac_eeprom()

def qwiic_mcp4725.QwiicMCP4725.write_dac_eeprom	(		self,
			value,
			powerDownMode = kPowerDownModeNormal
	)

Updates DAC register and EEPROM register.

Parameters

int	value: 12-bit value to write to DAC and EEPROM registers
int	powerDownMode: Power down mode to write to DAC and EEPROM registers

Allowable values for powerDownMode are:

• kPowerDownModeNormal
• kPowerDownMode1K
• kPowerDownMode100K
• kPowerDownMode500K

write_fast_mode()

def qwiic_mcp4725.QwiicMCP4725.write_fast_mode	(		self,
			value,
			powerDownMode = kPowerDownModeNormal
	)

Updates DAC register in fast mode.

Parameters

int	value: 12-bit value to write to DAC register
int	powerDownMode: Power down mode to write to DAC register

Allowable values for powerDownMode are:

• kPowerDownModeNormal
• kPowerDownMode1K
• kPowerDownMode100K
• kPowerDownMode500K

Member Data Documentation

address

qwiic_mcp4725.QwiicMCP4725.address

available_addresses

qwiic_mcp4725.QwiicMCP4725.available_addresses = _AVAILABLE_I2C_ADDRESS

static

device_name

qwiic_mcp4725.QwiicMCP4725.device_name = _DEFAULT_NAME

static

kPowerDownMode100K

int qwiic_mcp4725.QwiicMCP4725.kPowerDownMode100K = 2

static

kPowerDownMode1K

int qwiic_mcp4725.QwiicMCP4725.kPowerDownMode1K = 1

static

kPowerDownMode500K

int qwiic_mcp4725.QwiicMCP4725.kPowerDownMode500K = 3

static

kPowerDownModeNormal

int qwiic_mcp4725.QwiicMCP4725.kPowerDownModeNormal = 0

static

Property Documentation

connected

qwiic_mcp4725.QwiicMCP4725.connected = property(is_connected)

static

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The documentation for this class was generated from the following file:

• qwiic_mcp4725.py