Interface/communicate data between SIMULINK and a C-program running on the same computer

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Abhigya Raval
Abhigya Raval 2020-6-25
评论： Abhigya Raval 2020-6-27
Hey everyone! I'm very new to this so, please bear with me.
I'm working on a C-program that is supposed to control a small fluid system (read pressures and actuate valves, etc.). I need to simulate a plant model in SIMULINK/SIMSCAPE that can be controlled by the C-program. I'm trying to figure out how I would setup the model such that it can communicate and transfer live data with the C-program.
Things like, send .csv sensor data over to the C-program and accept HIGH/LOW signals from it. Any assistance is appreciated. Thank you!

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Mark McBroom
Mark McBroom 2020-6-26
If you have the source code for the C program, the best approach is to create a new Simulink block that contains your C code modified to be a C function. The inputs to the C-Function would be the outputs of the plant model, and the return vaues from the C function are the inputs to your plant model.
THe easiest way to create this Simulink block that contains your C code is with the Simulink C Caller block:
https://www.mathworks.com/help/simulink/ug/integrate-ccode-ccaller.html
Thanks.
Mark.
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Abhigya Raval
Abhigya Raval 2020-6-27
Thank you for the answer, Mark!
I have the source code in C however, it's a complicated program. I'm not really experienced with C, only MATLAB.
There're about 9 source code files and 5 header files. Is it plausible in SIMULINK to do what you suggested for a program like this?

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