How to get the callbacks of the Simulink model?

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Robert
Robert 2023-7-27
评论： Robert 2023-7-27
I am trying to get the callbacks of a particular model of simulink using matlab programming, i am new to simulink and can you help me what function can i use to get the callbacks present?

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Manan Jain
Manan Jain 2023-7-27
Hi!
To get the callbacks of a particular model in Simulink using MATLAB programming, you can use the find_mdlrefs function. This function allows you to search for all Model Reference blocks in a given model and then obtain the callbacks associated with those blocks.
Here is the snippet of code that you can refer:
modelName = 'YourModelName'; % Replace 'YourModelName' with the name of your Simulink model
load_system(modelName);
refs = find_mdlrefs(modelName);
callbacks = cell(0);
for i = 1:numel(refs)
blockPath = refs{i}.Block;
callbackData = get_param(blockPath, 'Callbacks');
callbacks{end+1} = callbackData;
end
Now, the callbacks cell array will contain the callback information for each Model Reference block present in your model. Each cell entry will be a structure containing information about the callbacks for that specific block.
You can also use get_param to get the model callbacks.
You can refer to the get_param and mdlrefs documentation and use according to your use case. I hope this helps!
Thanks

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Shubham
Shubham 2023-7-27
Hi Robert,
To obtain the callbacks of a particular model in Simulink using MATLAB, you can use the "find_system" function along with the Callbacks option. Here's an example:
% Specify the name of your Simulink model
model_name = 'your_model_name';
% Find the callbacks in the Simulink model
callbacks = find_system(model_name, 'LookUnderMasks', 'all', 'FollowLinks', 'on', 'BlockType', 'SubSystem', 'Callbacks', 'all');
In this example, replace 'your_model_name'`with the actual name of your Simulink model. The "find_system" function is used to search for blocks in the model that have callbacks. The `'LookUnderMasks', 'all'` option is used to search for callbacks within masked subsystems, and `'FollowLinks', 'on'` ensures that the search includes linked subsystems. The `'BlockType', 'SubSystem'` option narrows the search to subsystem blocks, and `'Callbacks', 'all'` specifies that all types of callbacks should be included in the search.
After executing this code, the `callbacks` variable will contain a cell array of the callbacks present in the specified Simulink model.
Note that this approach will find callbacks within subsystems, but not at the top-level of the model or within individual blocks. If you want to find callbacks in other parts of the model, you can modify the options of the `find_system` function accordingly.

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