Set Model Callbacks with Simulink Block

Question

Marcus Heßeling 2021-5-18

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https://ww2.mathworks.cn/matlabcentral/answers/833048-set-model-callbacks-with-simulink-block

回答： Tejas 2024-4-26

Hey Guys

i want to set Model Callbacks of my Simulink Model with a Simulink bock. I want to make a body-Collision Library. To check for Body Collision, i use the InitFcn and StopFcn to detect body collision. If its possible i want to add a block to my library that automatically sets the InitFcn and StopFcn if i place it in a Simulink model.

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Answer 1

Tejas 2024-4-26

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https://ww2.mathworks.cn/matlabcentral/answers/833048-set-model-callbacks-with-simulink-block#answer_1448396

Hello Marcus,

My understanding from above question is that you want a block, placed inside the Simulink model to establish ‘InitFcn’ and ‘StopFcn’ callbacks.

Try this simple method to accomplish this:

Begin by creating an empty subsystem block. Position it at the preferred spot within the model.

Within the ‘InitFcn’ callback of the Subsystem, use ‘set_param’ command to establish ‘InitFcn’ and ‘StopFcn’ callbacks of the model. Provide model name, callback name and the code to be written inside of callback, as an input to ‘set_param’ command. The ‘set_param’ command will then establish these callbacks.
Below is an example of the code for reference.