diff options
| -rw-r--r-- | src/bluetooth/qlowenergycontroller_winrt.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/bluetooth/qlowenergycontroller_winrt.cpp b/src/bluetooth/qlowenergycontroller_winrt.cpp index ed36790b..1e06dedb 100644 --- a/src/bluetooth/qlowenergycontroller_winrt.cpp +++ b/src/bluetooth/qlowenergycontroller_winrt.cpp @@ -400,7 +400,17 @@ void QLowEnergyControllerPrivate::connectToDevice() Q_ASSERT_SUCCEEDED(hr); ComPtr<IGattReadResult> result; hr = QWinRTFunctions::await(op, result.GetAddressOf()); - Q_ASSERT_SUCCEEDED(hr); + if (hr == E_INVALIDARG) { + // E_INVALIDARG happens when user tries to connect to a device that was paired + // before but is not available. + qCDebug(QT_BT_WINRT) << "Could not obtain characteristic read result that triggers" + "device connection. Is the device reachable?"; + setError(QLowEnergyController::ConnectionError); + setState(QLowEnergyController::UnconnectedState); + return; + } else { + Q_ASSERT_SUCCEEDED(hr); + } ComPtr<ABI::Windows::Storage::Streams::IBuffer> buffer; hr = result->get_Value(&buffer); Q_ASSERT_SUCCEEDED(hr); |