Bluetooth examples and permissions



  • Hi!
    I'm working on this example:

    https://doc-snapshots.qt.io/qt5-dev/qtbluetooth-heartrate-server-example.html

    to understand a little better some features.
    First question, if I don't run the application as root I get a "permission denied" about hciconfig. But I don't want to run it as root. I added the dbus policies for my current user and set cap for hciconfig and related tools:

    sudo setcap 'cap_net_raw,cap_net_admin+eip' `which hciconfig`
    

    But I still need to run as root. What am I missing?

    Second question.
    I want to customize the GATT server example and embed it into a class. But I have some difficulties to handle the QScopePointers and the const auto variables.

    Might someone explain how should I modify them to write a class? The goal is to add signals/slots mechanism to allow the application to manage the GATT server (i.e. start/stop advertising, read/write values etc...). I don't want to rely on the main.cpp because I want to embed into a bigger project...

    Thanks in advance!


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