How can I save data in Simulink realtime model using coder.ceval() for fwrite?

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Flavio 2015-8-5

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https://ww2.mathworks.cn/matlabcentral/answers/232492-how-can-i-save-data-in-simulink-realtime-model-using-coder-ceval-for-fwrite

回答： Akshat Dalal 2025-3-2

Hi all,

I am using a beaglebone platform interfaced with simulink for a real time application.

I have data from sensors and I want to store them on a .txt file (or better in a .mat file). I am using fwrite but it is not supported by code generator. I have seen that I can use coder.extrinsic but it does not work, or coder.ceval() but it does not write any file even if the system can compile.

Do you know how to use coder.ceval function?

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Akshat Dalal 2025-3-2

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https://ww2.mathworks.cn/matlabcentral/answers/232492-how-can-i-save-data-in-simulink-realtime-model-using-coder-ceval-for-fwrite#answer_1560934

Hi

The following resource should be helpful: https://www.mathworks.com/matlabcentral/answers/80503-how-to-use-real-time-workshop-to-convert-the-matlab-functions-fread-and-fwrite-into-c-code

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