Could not connect to specified Arduino board Processor in Loop, MATLAB2018b, Simulink9.2, Arduino UNO

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I am trying to recreate this example with Arduino Uno: https://www.mathworks.com/help/supportpkg/arduino/examples/code-verification-and-validation-with-pil.html#d120e3285
The S function is generated without an issue, however when I try to simulate this. I get the following error.
.......................... Error Message ...............................................
Could not connect to specified Arduino board.
Verify that the board is connected to your host, and that the host COM port number set in the model matches the COM port number in Windows.
To change the host COM port number in the model, click 'Simulation ', click 'Model Configuration Parameters'... In the dialog that opens, select the 'Hardware Implementation' pane, click 'Target hardware resources > Host-board connection' and set the COM port number.
To find out the COM port number in Windows, open Device Manager and open your board in the COM ports group.
Already tried.
Setting Com port and Baud rates manually.
Clearing all workspace variables.
Please help. Thanks and Regards
  2 件のコメント
I-Tsun Wang
I-Tsun Wang 2022 年 6 月 1 日
did you find the solution? I am having the same issue

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回答 (5 件)

Venkatesh Chilapur
Venkatesh Chilapur 2018 年 9 月 25 日
Please update on the Arduino board you are working with, Is it Arduino Mega 2560?
  1 件のコメント
Sandeepan Majumdar
Sandeepan Majumdar 2018 年 9 月 25 日
編集済み: Sandeepan Majumdar 2018 年 9 月 25 日
The board is Arduino Uno.

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Venkatesh Chilapur
Venkatesh Chilapur 2018 年 9 月 26 日
Could you please take a look at this post and ensure we are not having the problem.
https://in.mathworks.com/matlabcentral/answers/351957-do-simulink-deploy-to-hardware-and-external-modes-work-with-arduino-uno-clones

panda xl
panda xl 2019 年 1 月 24 日
same problem with me

menezes roshal nikhil
menezes roshal nikhil 2019 年 7 月 4 日
I am also facing the same problem, anyone who soved the issue?

경민 박
경민 박 2022 年 7 月 22 日
I had same problem, and this is how I solved it.
In my case, I created new empty folder, and then in MATLAB I moved my Current Folder to that new empty folder.
Then, I tried PIL example again, it worked.

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