TopicSubscriber QML Type

Subscribes to rosgraph_msgs::msg::Topic messages — Describes a single topic endpoint, which may be a Publisher or Subscription. More...

• List of all members, including inherited members

Properties

• message : topic
• name : string
• type : interfaceType

Signals

• messageReceived(topic msg)

Detailed Description

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

See also TopicPublisher and topic.

Property Documentation

message : topic

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.

type : interfaceType

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

Signal Documentation

messageReceived(topic msg)

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