MAT-file logging with ERT Code

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Yu Ang Tan 2011-11-18

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https://ww2.mathworks.cn/matlabcentral/answers/21591-mat-file-logging-with-ert-code

Hi,

I code-generated a test model (step function + transfer function + output port) using the ERT with MAT-file logging enabled. After building the executable file, it ran fine. A MAT-file is generated, as expected.

When I tried building the same project in Microsoft Visual C++, the compiler tells me that the file "rtw_matlogging.h" is missing. (I have added the '<MATLABROOT>\rtw\c\src' path, and also the "rt_logging.c" file as required.)

I found a copy of "rtw_matlogging.h" in '<MATLABROOT>\simulink\include' path and when I used it, the project compiled fine.

However, no MAT-file generated at the end of the simulation.

In summary, I have not made any modifications, but added the following:

rt_logging.h    <MATLABROOT>\rtw\c\src
rtw_matlogging.h  <MATLABROOT>\simulink\include

So my question is: Did I add in the correct files? The simulation gave exactly the same results, but there was no MAT-file to be seen.

This problem got me stumped. Has anyone experienced the same thing?

Additional: Thanks to Kaustubha Govind who suggested the PackNGo function. I tried it, but the same source code produces different behaviour in Visual C++. I have tried using CodeBlocks, which exhibits the same behaviour.