I'm using ESP32 WROOM DevKitC and simply trying to 'Monitor and tune' a simple servo control simulink block but getting the error 'Failed to run the model on hardware.'

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Sumit Babu 2024-9-28

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https://ww2.mathworks.cn/matlabcentral/answers/2156050-i-m-using-esp32-wroom-devkitc-and-simply-trying-to-monitor-and-tune-a-simple-servo-control-simulin

编辑： Abhinav Aravindan 2024-10-7

The following error was encountered during evaluation of the external mode callback 'getExtModeData': codertarget.arduinobase.internal.getExternalModeMexArgs('Serial') No ESP32-WROOM-DevKitV1(30 pin) board detected. Install or update the Arduino board driver and try again. If the problem persists, enter the host COM port number manually in the Host-board connection parameter and try again.

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Answer 1

Abhinav Aravindan 2024-10-7

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https://ww2.mathworks.cn/matlabcentral/answers/2156050-i-m-using-esp32-wroom-devkitc-and-simply-trying-to-monitor-and-tune-a-simple-servo-control-simulin#answer_1527860

编辑：Abhinav Aravindan 2024-10-7

Hi @Sumit Babu,

I understand that you are facing an issue with External Mode Simulation using the "ESP32 WROOM DevKit" board. It seems that "Automatic COM Port detection" is not supported for ESP32 boards, which is causing the error.

You can manually set the COM Port using the steps below:

Open the Configuration Parameters
Go to Hardware Implementation -> Target hardware resources -> Host-board connection and change the "Set host COM port" to "Manually specify".
In the Host COM Port field, enter the COM port of your ESP32 board.

Please find below the related documentation for your reference.

https://www.mathworks.com/help/releases/R2024a/matlab/supportpkg/configure-setup-for-esp32-hardware.html

https://www.mathworks.com/help/releases/R2024a/simulink/setup-and-configuration-arduino.html

https://www.mathworks.com/help/releases/R2024a/simulink/supportpkg/arduino_ug/configure-host-com-port-manually.html

I hope this help resolve your issue!