====================
Software bus classes
====================

.. automodule:: ska_tango_base.software_bus
   :members:

.. module:: ska_tango_base.software_bus
   :no-index:

   .. data:: NoValue

      Used as the default initial value for a stored :obj:`Signal`.

      Required to distinguish from ``None``, which is a valid value to emit.


.. automodule:: ska_tango_base.software_bus.testing
   :members: