5.1.4 Deploying Components and Editing Component Properties

Each component needs to be deployed to the node and device where it will run. Also, components have properties which are configured during waveform run time. Optionally, for each component instance in a waveform, default property values can be overridden by an XML-format SAD file that describes how the waveform is assembled. This can be done by changing a component's properties within OWD.

To bring up the Component Editor, right-click the ``TxDemo1'' component instance and select ``Edit.''

This window contains nearly all the information about the component itself including its ports, properties, and node and device assignments. At the moment the component instance is not assigned to any device. It is necessary to make this assignment for each component in the waveform. For this example, select default_GPP_node under the ``Nodes'' spinbox.<sup>3</sup>Click on the ``Device'' spinbox and select ``GPP1.''

Now it is time to set the component properties. For the TxDemo example, you should see a packet_delay_ms property with a default value of 1000 ms. This particular property is specific to the component and determines how long ``TxDemo1'' should wait between sending each QPSK packet.

Right-click on the packet_delay_ms property and select ``Edit.'' Change the default value from 1000 to 250:

Click ``OK'' to return the the Component Editor window. Click ``Close'' to return to OWD's main window.

Repeat the component deployment steps for the ``RxDemo1'' component. You can see that ``ChannelDemo1'' has properties, but they can be left unchanged.