sas_datalogger.sas_datalogger.SASDatalogger Class Reference

Inheritance diagram for sas_datalogger.sas_datalogger.SASDatalogger:

Public Member Functions
	__init__ (self, str node_name)
	__enter__ (self)
	__exit__ (self, exc_type, exc_val, exc_tb)
	save (self, str filename)
	log_callback (self, LogDatum msg)

Public Attributes
dict	data = {}
	subscription_

Detailed Description

ROS2 data logger node.

Subscribes to the ``/sas_datalogger/log`` topic and stores received values
in an internal dictionary keyed by the message ``name`` field. The stored
data can be persisted to disk with :meth:`save` or automatically when the
instance exits a ``with`` block.

Constructor & Destructor Documentation

__init__()

sas_datalogger.sas_datalogger.SASDatalogger.__init__	(		self,
		str	node_name )

Create and initialize the SAS data logger node.

Args:
    node_name: Name to use when creating the underlying rclpy.Node.

Member Function Documentation

log_callback()

sas_datalogger.sas_datalogger.SASDatalogger.log_callback	(		self,
		LogDatum	msg )

Callback invoked for incoming :class:`sas_msgs.msg.LogDatum` messages.

save()

sas_datalogger.sas_datalogger.SASDatalogger.save	(		self,
		str	filename )

Persist collected data to a MATLAB ``.mat`` file.

Args:
    filename: Path to the output ``.mat`` file.

Member Data Documentation

subscription_

sas_datalogger.sas_datalogger.SASDatalogger.subscription_

Initial value:

=  self.create_subscription(
            LogDatum,
            "/sas_datalogger/log",
            self.log_callback,
            100)

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The documentation for this class was generated from the following file:

• src/sas_datalogger/sas_datalogger/sas_datalogger.py