Can you progamatically call simulink snapshot in a real-time speedgoat application utilizing a GUI?

Question

Todd Wilson 2022-4-14

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https://ww2.mathworks.cn/matlabcentral/answers/1696645-can-you-progamatically-call-simulink-snapshot-in-a-real-time-speedgoat-application-utilizing-a-gui

回答： Dimitri MANKOV 2022-4-19

I am trying to access a scope block utilizng a GUI to control scope parameters in a real-time speedgoat application. I want to access a toggle button, which when pressed will cause a simulink snapshot to occur on the scope, thus pausing the scope while the program continues to stream data in real time. A small piece of pseudo code of what I would want to do is below:

function FreezeButtonSelectionChanged(app, event)

selectedButton = app.FreezeButton.SelectedObject;

scopeConfig = get_param([mdl, '/BPScope'], 'ScopeConfiguration');

scopeConfig.simulinkSnapshot = 'True';

end

Thanks for any help you can provide!

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Answer 1

Dimitri MANKOV 2022-4-19

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Hi Todd,

I think the easiest way would be to work with Simulink Real-Time instrument objects instead of Simulink Scopes. The instrument objects allow to stream data directly to your app (for example, to a UI axis), in which you can selectively enable/disable live streaming, thus giving you the same "freeze frame" functionality.

You can find examples of GUI designs for Simulink Real-Time here.

Best,

Dimitri