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QBluetoothServiceDiscoveryAgent::FullDiscovery - seeking assistance

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  • A Offline
    A Offline
    Anonymous_Banned275
    wrote on last edited by
    #1

    I realize this is very a long shot - but there must be somebody in the world coding Bluetooth.
    I am stuck with the above QBluetoothServiceDiscoveryAgent::FullDiscovery - it basically works but the responses - SIGNALs timing is very random.

    Please , if you are not C/C++ coder and not familiar with Bluetooth CODING
    DO NOT RESPOND .
    Appreciate any help.

    Pl45m4P J.HilkJ 2 Replies Last reply
    0
    • A Anonymous_Banned275

      I realize this is very a long shot - but there must be somebody in the world coding Bluetooth.
      I am stuck with the above QBluetoothServiceDiscoveryAgent::FullDiscovery - it basically works but the responses - SIGNALs timing is very random.

      Please , if you are not C/C++ coder and not familiar with Bluetooth CODING
      DO NOT RESPOND .
      Appreciate any help.

      Pl45m4P Offline
      Pl45m4P Offline
      Pl45m4
      wrote on last edited by
      #2

      @AnneRanch

      What is Bluetooth Coding?!

      FullDiscovery is just the discovery mode.

      And what exactly is your problem? If your signal is too weak or sometimes a service/device is found and sometimes don't, it's most likely your hardware or some other physical issue (location, distance.. etc.)


      If debugging is the process of removing software bugs, then programming must be the process of putting them in.

      ~E. W. Dijkstra

      1 Reply Last reply
      1
      • A Anonymous_Banned275

        I realize this is very a long shot - but there must be somebody in the world coding Bluetooth.
        I am stuck with the above QBluetoothServiceDiscoveryAgent::FullDiscovery - it basically works but the responses - SIGNALs timing is very random.

        Please , if you are not C/C++ coder and not familiar with Bluetooth CODING
        DO NOT RESPOND .
        Appreciate any help.

        J.HilkJ Offline
        J.HilkJ Offline
        J.Hilk
        Moderators
        wrote on last edited by
        #3

        @AnneRanch afaik bluetooth devices need to advertise themself, so others can discover it. Usually those devices don‘t do that continously, therefore you will get differances in the discover times


        Be aware of the Qt Code of Conduct, when posting : https://forum.qt.io/topic/113070/qt-code-of-conduct


        Q: What's that?
        A: It's blue light.
        Q: What does it do?
        A: It turns blue.

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        • A Offline
          A Offline
          Anonymous_Banned275
          wrote on last edited by
          #4

          I just "discovered" this QT object / class or whatever does not recognize that Bluetooth has been turned off in OS - and emit SIGNAL "discovery finished"!!
          Furthermore - there appears to have no code to emit "errors".

          There are multitude of source code for this particular class .
          I am going to clone the most recent and hopefully more completed then the example is using.

          What a waste of time....

          I appreciate all contribution posted, . however ,unless you can help me to identify most compete QBluetoothServiceDiscoveryAgent, consider this closed .

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