[Interest] Bluetooth low energy on Windows 10

Oliver Wolff Oliver.Wolff at qt.io
Wed Jul 25 07:51:53 CEST 2018

Hi Glenn,

I am not sure I understand your situation. The Windows BT implementation 
needs a paired device in order to work. You said, that you paired the 
device in the beginning. Have you paired the device and it does not work 
for you? If this is the case please create a bug report which also 
states your Windows version and the device you are trying to connect to. 
You can assign the bug report to me.


On 25/07/2018 05:37, Glenn Ramsey wrote:
> Hi,
> I'm trying to get Qt(5.11.1) communicating with a BLE device on Windows 10 using
> the win32/WinRT backend.
> Using the lowenergyscanner example it can 'see' the device, only after it has
> been manually paired,  but hangs when querying the services. The Microsoft BLE
> Explorer app from the Microsoft Store is able to 'see' all of the services and
> characteristics of the device and the UWP version of lowenergyscanner also seems
> to work correctly. Also the same version (in 5.11.1) works correctly on OSX.
> In the debugger I can see that the hang occurs somewhere in
> QLowEnergyControllerPrivateWinRT::connectToDevice().
> This bug [1] suggests this might be because windows needs to pair with the
> device, although I'm not seeing any indication of this in the UI when I run
> lowenergyscanner but I don't see the the device listed until I manually pair it.
> Is there some step that I have missed, or should I file a bug report about this?
> Glenn
> [1] https://bugreports.qt.io/browse/QTBUG-58660
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