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4.6.3 GUIPoll component

This section describes the GUIPoll component.

GUIPoll - about

This component provides a periodic signal for driving a GUI refresh in a visualization component

ARM® intends it for use as a subcomponent inside of a LISA-based visualization component.

You can configure the period at which the GUIPoll component runs in milliseconds of real time, not simulation time. The component produces a gui_callback() signal at approximately this period, even when the simulation is paused.

You must implement the slave side of the gui_callback() signal in a LISA-based visualization component. Use this event to invoke the Visualisation::poll() method to keep the GUI updated.

This is a LISA+ component.

GUIPoll - ports

This section describes the ports.

Table 4-190 GUIPoll ports

Name Protocol Type Description
gui_callback GUIPollCallback Master Sends callback requests to the visualization component.
Related reference

GUIPoll - parameters

This section describes the parameters.

Table 4-191 GUIPoll parameters

Name Type Allowed values Default value Description
delay_ms Integer - 20 Determines the period, in milliseconds of real time, between gui_callback() calls.

GUIPoll - verification and testing

This component passes tests as part of the PhoneSkin example platform, confirming that the system continues to refresh the GUI after the simulation stops.