[QtBluetooth] Help for testing HW_OSTC3 and SHEARWATER families

[Claudiu Olteanu]

> So it seems that all Petrel 2 use channel 5. At which stage do we need to
> know the correct channel? Do we have the name of the device at that stage
> already?

No, we don't have the name of the device at that stage. The only information
we have is its Bluetooth address.

As I said, if the Qt SDP discovery service will work properly, then we
can easily
use QtBluetoothSocket::connectToService method with the uuid of the Serial
Port Profile.