M300RTK E-Port PSDK Error

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Adrian Escalona

• February 22, 2024 07:24

Good day,

Following the "Quick start" guide for E-Port development using Raspberry Pi I've got the following error calling Dji_InitCore:

chmod: cannot access '/dev/ttyACM0': No such file or directory
[DjiAccessAdapter_Init:238] DjiAccessAdapter_IsUartConnect, returnCode = 236

The aircraft model, serial number and firmware is correctly detected.

In the past, the same code using OSDK Extension Module worked flawlessly.

Any suggestion?

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  DJI Developer Support

  • February 22, 2024 10:17

  Dear Developer, Hello, thank you for contacting DJI. Could you please show us a physical diagram of your hardware connections? It would be better if there were enough details. Thank you for your support of DJI products. Best Regards, DJI Dajiang innovation SDK technical support

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  Adrian Escalona

  • February 22, 2024 10:26

  Good day,

  Our connections are identical to this diagram from https://developer.dji.com/doc/payload-sdk-tutorial/en/quick-start/quick-guide/raspberry-pi.html 

  

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  DJI Developer Support

  • February 23, 2024 02:53

  Dear Developer, Hello, thank you for contacting DJI. Thank you for the information. I see that you are connecting with reference to the M350 model, which is somewhat different for the M300 model. To connect the M300 model, you need to turn the DIP switch on the E-Port expansion board to the Device side, and then use a TypeC cable to connect your device and the expansion board. Your device needs to be the master device. Thank you for your support of DJI products. Best Regards, DJI Dajiang innovation SDK technical support

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