ParameterSubscriber QML Type

Subscribes to rcl_interfaces::msg::Parameter messages — This is the message to communicate a parameter. It is an open struct with an enum in the descriptor to select which value is active. More...

• List of all members, including inherited members

Properties

• message : parameter
• name : string
• value : parameterValue

Signals

• messageReceived(parameter msg)

Detailed Description

ParameterSubscriber receives parameter values from a ROS 2 topic. Set the topic and node properties, then connect to the messageReceived() signal.

See also ParameterPublisher and parameter.

Property Documentation

message : parameter

The last message received on topic. Updated whenever a new message arrives.

name : string

The name field of the last received message. Updated whenever a new message arrives. nameChanged is emitted on every update.

value : parameterValue

The value field of the last received message. Updated whenever a new message arrives. valueChanged is emitted on every update.

Signal Documentation

messageReceived(parameter msg)

Emitted when a new parameter arrives on topic. msg contains the received value.