Real Time Parameter Tuning in the target F28335(Experimenter Kit) using Matlab Simulink 2013b and CCS version 5.

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Sam 2015-11-19

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评论： Antonin 2015-11-27

I have created my model in Matlab Simulink using Texas instrument C2000 processor supported blocks. The code runs perfectly with CCS version 5. Now i want to tune 3 parameters in real time(vary the value in real time). From the examples provided by matlab, it seems like it is possible with CAN. But unfortunately, i do not have any CAN hardware http://vector.com/vi_vn1600_en.html to perform it. Are there any alternative methods to achieve this task?

Thanks in advance!

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Answer 1

Antonin 2015-11-26

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Hi Sam, Starting in MATLAB release R2015a, External mode is supported via a serial connection with the target. You can use the serial over USB connection that is present with most controlCARDs and launchpads to do so. Here is a link to a shipping example that explains the workflow:

http://www.mathworks.com/help/supportpkg/texasinstrumentsc2000/examples/parameter-tuning-and-signal-logging-with-serial-external-mode.html

Here is a link to the documentation chapter for External Mode:

http://www.mathworks.com/help/supportpkg/texasinstrumentsc2000/ug/external-mode.html

And here is a helper link to setup serial connections with controlCARDs:

http://www.mathworks.com/help/supportpkg/texasinstrumentsc2000/ug/set-up-the-hardware-target.html I hope this helps, Thanks,

Antonin.

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Answer 2

Kamal Joshi 2015-11-26

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Hi Antonin,

Is it possible to have communication setup through SCI so whenever in the field one can just plug a simple USB cable and use the hyperterminal to modify certain parameters in the code ?

Please advise.

Thank you, Kamal Joshi

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Antonin 2015-11-27

Hi Kamal,

You can implement this using the SCI block. If you need "printf" capabilities, you can get it from a MATLAB function block in your Simulink model, that is compatible with code generation. It's not too hard to do. Careful with printf as it eats quite a bit of memory.

I hope it helps, Antonin.

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