Issue uploading Edge Impulse firmware for Nano

I have a student trying to upload the Nano 33 BLE Sense firmware using flash_windows.bat, and they’re getting the following error message. Any help figuring out what’s wrong would be appreciated!

You're using an untested version of Arduino CLI, this might cause issues (found: 0.16.1, expected: 0.13.x
Finding Arduino Mbed core...
arduino:mbed    1.1.6     1.1.6  Arduino mbed-enabled Boards
Finding Arduino Mbed core OK
Finding Arduino Nano 33 BLE...
Finding Arduino Nano 33 BLE OK at COM8
Error during Upload: uploading error: recipe not found 'upload.pattern'
Press any key to continue . . .

Hi @ShawnHymel,

Sorry for the late reply. I couldn’t reproduce this problem using the same arduino-cli version under Windows. Could you ask your student to run the following commands under the directory where the firmware is:

arduino-cli core list
arduino-cli board list

# replacing COMXX with the Arduino COM port
arduino-cli upload -p COMXX --fqbn arduino:mbed:nano33ble  --input-dir .

Thanks,
Aurelien

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Thanks @aurel ! Here is the response from the student:

C:\Users\nhega\arduino-nano-33-ble-sense>arduino-cli core list
ID              Installed Latest Name
arduino:mbed    1.1.6     1.1.6  Arduino mbed-enabled Boards
expressif:esp32 0.0.1     0.0.1  ESP32 Arduino


C:\Users\nhega\arduino-nano-33-ble-sense>arduino-cli board list
Port Type              Board Name          FQBN                   Core
COM8 Serial Port (USB) Arduino Nano 33 BLE arduino:mbed:nano33ble arduino:mbed


C:\Users\nhega\arduino-nano-33-ble-sense>arduino-cli upload -p COM8 --fqbn arduino:mbed:nano33ble  --input-dir C:\Users\nhega\arduino-nano-33-ble-sense C:\Users\nhega\arduino-nano-33-ble-sense\flash_windows.bat
Error during Upload: uploading error: recipe not found 'upload.pattern'

C:\Users\nhega\arduino-nano-33-ble-sense>

Hi @ShawnHymel,

Everything looks good on my side. what I’d suggest is:

  • upload to the latest arduino-cli version (recipes are embedded in the Arduino CLI)
  • if it doesn’t work, ask on the Arduino forum: https://forum.arduino.cc/

Aurelien

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