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Stop Simulink Model Update via Callback

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I have a callback on a custom block that checks a bus selector for missing signals, at the start of the model update routine. Based on the results of that update, I send an sldiagviewer.reportError(errMsg) command to Matlab. What I want it to do is stop the update cycle at that point because I know it will throw an error downstream in ~5 minutes where the user will have to fix the problem. Instead, Simulink just continues runnign the update cycle until Simulink decides it cannot continue anymore.
So my question is basically how to stop the update cycle?

Accepted Answer

Fangjun Jiang
Fangjun Jiang on 15 Apr 2024
Instead of sldiagviewer.reportError(errMsg), if you do error(errMsg), it should stop.
Fangjun Jiang
Fangjun Jiang on 15 Apr 2024
Edited: Fangjun Jiang on 15 Apr 2024
okay, try modelName([],[],[],'term'). I think model update is equivalant as modelName([],[],[],'compile')
RIchard on 16 Apr 2024
Edited: RIchard on 16 Apr 2024
Your orignal comment is correct and I have accepted it. Somehow, I was incorrectly calling `error`, and it was going to the matlab version instead of simulink.

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