String stamped

Description

Collect generic data from a topic publishing a StringStamped message and republish it. It allows to fetch data from rclc, rclpy and your custom ROS 2 nodes that don't have use a plugin.

Parameters

Parameter	Description	Type	Default
timer_based	If true, collect data at interval and if false collect every record and ignores polling_interval	bool	true
topic	Topic to get data from	str	N/A (mandatory)

Schema

Given that the data is customized here, there is no default schema.

Configuration

...
my_data:
  plugin: "dc_measurements/StringStamped"
  topic_output: "/dc/measurement/my_data"
  topic: "/hello_world"
  timer_based: true
  enable_validator: false # no schema exists for custom, per-topic data -- see Schema above

Example output

{
  "flattened": false,
  "name": "string_stamped",
  "nested": false,
  "run_id": "169",
  "temperature": 21.5
}