How to generate a TLC file for a MEX file externally obtained?

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Roop
Roop 2024-8-8
回答： Pratyush 2024-8-14
Hello,
I have a Simulink simulation utilizing an S-Function block tied to an externally generated MEX file, which I am trying to make code generation compatible.
I have reviewed these articles about the topic:
However, I was wondering how I would generate a TLC file if the MEX was auto-generated by an external modeling software. Do I need access to the source C Code before MEX file generation? Is there a way to manually build it without knowledge of how the MEX is built?
Just looking for information on what information/access I would need.
Thanks!

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回答（1 个）

Pratyush
Pratyush 2024-8-14
Hi Roop,
To generate a TLC file for an MEX file created by external modeling software, ideally, you should have access to the source C code. This allows you to understand the function signatures, data structures, and algorithms used, making it easier to write a TLC file that mirrors the MEX function's behavior.
If you don't have the source code, you need to understand the MEX function's interface, including input/output arguments and data types, and its behavior, possibly through documentation or testing. You should also understand the Simulink S-Function block's interaction with the MEX function.
Steps to Create a TLC File:
1. Document the Interface: Note input/output ports, data types, and parameters.
2. Write the TLC File: Mimic the MEX function's behavior in the TLC file, defining input/output ports.
3. Test the TLC File: Ensure the generated code behaves like the original MEX function by comparing results.

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