Bluetooth dc download from laptop not working.

[cyberdiamond]

Describe the issue:

• Bug

Issue long description:

Bluetooth dc download from laptop now not working.
Toshiba W50 laptop inbuilt Bluetooth now not picked up but used to work fine.

Operating system:

Windows 10 version 1809 build 17763.104

Subsurface version:

I noticed the new download box in some of the latest builds
Neither subsurface-4.8.3-263-ge0e3b6360100 or subsurface-4.8.3-271-g3f5f851fcb2d work.

Steps to reproduce:

Menu > Import > Import from dive computer
Check the Choose Bluetooth import download mode

Current behavior:

Down the bottom of the Bluetooth download window shows:
"The local Bluetooth adaptor cannot be accessed"

On the right hand side it shows:
Local Bluetooth device details
Name: Not available
Address: Not available

Expected behavior:

It should pickup/use the inbuilt Bluetooth radio.

Additional information:

I can still download over Bluetooth with multiple dive computers only if I create Bluetooth COM ports for each of them and use the old serial com port over Bluetooth mode.

Mentions:

Steve

[dirkhh]

Bluetooth on Windows is full of challenges.
I haven't seen this one, yet. @neolit123 any ideas?

[neolit123]

@cyberdiamond

please answer these questiosn:

• what is your DC vendor / model?
• is bluetooth currently enabled?:
  https://www.drivereasy.com/knowledge/solved-windows-10-bluetooth-missing-settings-error/
• is your device paired in control panel?
  try unpairing it and pairing it again.
• in the "Import from dive computer" then select "Choose bluetooth download mode" then select "Force classical" then hit "Scan", is your device discovered in the list?

if the above doesn't help share screenshots.

[cyberdiamond]

SW Petrel 2 EXT, Ratio iX3m reb & HW OSTC3+

Yes Bluetooth enabled and working normally and downloads are working over the old serial COM port over Bluetooth method.

Device is paired in control panel.

Scan button is grey'd out see screenshot below.

[neolit123]

we seem to be using something that is not available on Windows:
http://doc.qt.io/qt-5/qbluetoothlocaldevice.html

On iOS and Windows, this class cannot be used because the platform does not expose any data or API which may provide information on the local Bluetooth device.

please try:
http://subsurface-divelog.org/downloads/test/subsurface-4.8.3-17-g53341c037d5a.exe

installers newer than that don't work for me either - scan button disabled.

[cyberdiamond]

subsurface-4.8.3-17-g53341c037d5a.exe works properly.

[neolit123]

@dirkhh
after building latest Subsurface master, i've discovered that the scan button and control are enabled for me with my custom Qt version.
this on the other hand does not happen for our latest CI built Windows installers.

i cannot seem to figure out what the cause for that may be.

[dirkhh]

The installers from the windows-container build should be using your custom Qt version. Or did I manage to break that? Crap.

[neolit123]

if i install Subsurface from the latest CI installer and then temporary rename the Qt5Bluetooth.dll file so that it uses the DLL that i've built (by finding it in PATH), the scan button is enabled.

one difference between the two files is the size ~200kb.

[cyberdiamond]

This is fixed in the latest builds

[dirkhh]

Thanks for the update. MUCH appreciated