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nRF Connect SDK - Nordic SoftDevice extensions (proprietary features) llpm and QoS

user78952

To the kind attention of Nordic support team,

reading at this: https://developer.nordicsemi.com/nRF_Connect_SDK/doc/1.8.0/nrfxlib/softdevice_controller/README.html#softdevice-controller, it seems like Nordic SoftDevice is implementing some very nice "proprietary features" like low latency packet mode and QoS. It is evident that llpm example is available in nRF Connect SDK. Could you please help me ,if not too much trouble, pointing me out some example that is using QoS as well, if any? Is this QoS only available after a connection event, or is it possible to enable some sort of continuous QoS check so to constantly have an idea about rf channels state and congestion and take an action at application level if needed? I saw in https://devzone.nordicsemi.com/f/nordic-q-a/66678/using-low-latency-packet-mode-llpm-with-nrf5-sdk that llpm module is not available for nRF52 SDK, so it needs to use nRF Connect SDK instead. May you please confirm? What would be involved in doing a port? Sorry for these questions, I have always worked using nRF52 SDK, and now I'm just getting started with nRF Connect SDK, so I don't quite know it at this stage. Why to have different SDKs? Is there no way to use softdevice extensions (llpm and QoS) with nRF52 SDK?

Thank you very much for your kindness and your support,

Best regards,

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  • +1

    Hi,

    Most new-ish features are only in the nRF Connect SDK, as is the case for LLPM. For QoS that depends a bit on what you focus on, as some features (like channel survey) is available in the SoftDevice used with the nRF5 SDK. Other features are only available in the nRF Connect SDK. You can refer to the documentation for the QoS module for details about it.

    Regarding nRF5 SDK vs nRF Connect SDK in general, I recommend you read the nRF Connect SDK and nRF5 SDK statement.

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  • +1

    Hi,

    Most new-ish features are only in the nRF Connect SDK, as is the case for LLPM. For QoS that depends a bit on what you focus on, as some features (like channel survey) is available in the SoftDevice used with the nRF5 SDK. Other features are only available in the nRF Connect SDK. You can refer to the documentation for the QoS module for details about it.

    Regarding nRF5 SDK vs nRF Connect SDK in general, I recommend you read the nRF Connect SDK and nRF5 SDK statement.

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