Does Simulink Real-Time support MATLAB-S Functions?

Question

Jmagic 2017-12-10

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https://ww2.mathworks.cn/matlabcentral/answers/372160-does-simulink-real-time-support-matlab-s-functions

回答： Pablo Romero 2024-4-26

The Help Documentation seems to say Simulink Real-Time support C-S Functions. So does Simulink Real-Time support MATLAB-S Functions?

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Answer 1

Walter Roberson 2017-12-10

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https://ww2.mathworks.cn/matlabcentral/answers/372160-does-simulink-real-time-support-matlab-s-functions#answer_295568

Yes. See for example https://www.mathworks.com/help/xpc/driver/s-function-guidelines.html that talks specifically about writing drivers for Simulink Real-Time using S functions. (Note: the S functions cannot be written in MATLAB.)

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Paul Stansell 2020-10-8

link no longer points to the intended page

Walter Roberson 2020-10-8

You are right, Paul.

Hmmm... related:

https://www.mathworks.com/help/simulink/sfg/integrating-existing-c-functions-into-simulink-models-with-the-legacy-code-tool.html

https://www.mathworks.com/help/slrealtime/advanced-modeling-techniques.html

https://www.researchgate.net/post/Why_we_cannot_use_S-function_for_real-time_applications

But it does look as if the direct documentation on this topic might have been removed, with it perhaps being assumed that anything like this would be done in Speedgoat.

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Answer 2

Pablo Romero 2024-4-26

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https://ww2.mathworks.cn/matlabcentral/answers/372160-does-simulink-real-time-support-matlab-s-functions#answer_1448306

If you'd like to know more about how to integrate and deploy S-Functions to a Simulink Real-Time target, or in general, any external C/C++ code, please check out the following documentation page.

External Code Integration of Libraries and C/C++ Code with Simulink Real-Time Models - MATLAB & Simulink (mathworks.com)