StateSubscriber QML Type

Subscribes to lifecycle_msgs::msg::State messages — Primary state definitions as depicted in: http://design.ros2.org/articles/node_lifecycle.html. More...

• List of all members, including inherited members

Properties

• id : uint8_t
• label : string
• message : state

Signals

• messageReceived(state msg)

Detailed Description

These are the primary states. State changes can only be requested when the node is in one of these states.

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

See also StatePublisher and state.

Property Documentation

id : uint8_t

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

label : string

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

message : state

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

Signal Documentation

messageReceived(state msg)

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