I2cBus

Description

The I2cBus object represents an I2C bus with attached I2cDevice objects. This abstract base object provides common properties and methods only. Use a dedicated I2C bus implementation such as SystemI2cBus and FtdiI2cBus.

› Inherits:

Object

› Inherited by:

FtdiI2cBus, SystemI2cBus

Overview

Properties

devices speed Object.objectId Object.parent

Methods

Object.deserializeProperties() Object.fromJson() Object.serializeProperties() Object.toJson()

Signals

devicesDataChanged() Object.completed()

Properties

devices

This property holds a list of I2C devices to use on this bus.

› Type:

List<I2cDevice>

› Signal:

devicesChanged()

› Attributes:

Readonly

speed

This property holds the bus speed in Hz.

› Type:

UnsignedInteger

› Default:

100000

› Signal:

speedChanged()

› Attributes:

Writable

Signals

devicesDataChanged(SignedInteger index)

This signal is emitted whenever the List.dataChanged() signal is emitted, i.e. the item at index in the devices list itself emitted the dataChanged() signal.