Stop Simulink Model Update via Callback

Question

RIchard 2024-4-15

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https://ww2.mathworks.cn/matlabcentral/answers/2107076-stop-simulink-model-update-via-callback

编辑： RIchard 2024-4-16

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?

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Answer 1

Fangjun Jiang 2024-4-15

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https://ww2.mathworks.cn/matlabcentral/answers/2107076-stop-simulink-model-update-via-callback#answer_1441646

Instead of sldiagviewer.reportError(errMsg), if you do error(errMsg), it should stop.

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Fangjun Jiang 2024-4-15

编辑：Fangjun Jiang 2024-4-15

okay, try modelName([],[],[],'term'). I think model update is equivalant as modelName([],[],[],'compile')

https://www.mathworks.com/help/simulink/ug/simulink-model-command.html

RIchard 2024-4-16

编辑：RIchard 2024-4-16

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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