diff options
| author |  Dirk Hohndel <dirk@hohndel.org> | 2020-08-21 15:47:10 -0700 |
|---|---|---|
| committer | Dirk Hohndel <dirk@hohndel.org> | 2020-08-22 19:35:58 -0700 |
| commit | f74328df0b550936c2d7f271461a368ef3078d30 (patch) | |
| tree | 1d6ef842af38f8b40562371881e449c50628f38e | |
| parent | c87e0286022a7fbfcef4de183cdcdb15af15010c (diff) | |
| download | subsurface-f74328df0b550936c2d7f271461a368ef3078d30.tar.gz | |
core/BLE: provide state and error updates during BLE discovery
This simply helps us see some possible errors while trying to talk to a device.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
| -rw-r--r-- | core/qt-ble.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/core/qt-ble.cpp b/core/qt-ble.cpp index 4c8f08a2d..4e1410160 100644 --- a/core/qt-ble.cpp +++ b/core/qt-ble.cpp @@ -215,8 +215,16 @@ void BLEObject::addService(const QBluetoothUuid &newService) auto service = controller->createServiceObject(newService, this); if (service) { - qDebug() << " .. starting discovery"; + // provide some visibility into what's happening in the log + service->connect(service, &QLowEnergyService::stateChanged,[=](QLowEnergyService::ServiceState newState) { + qDebug() << " .. service state changed to" << newState; + }); + service->connect(service, QOverload<QLowEnergyService::ServiceError>::of(&QLowEnergyService::error), + [=](QLowEnergyService::ServiceError newError) { + qDebug() << "error discovering service details" << newError; + }); services.append(service); + qDebug() << "starting service characteristics discovery"; service->discoverDetails(); } } @@ -360,6 +368,8 @@ dc_status_t BLEObject::select_preferred_service(void) // Wait for each service to finish discovering foreach (const QLowEnergyService *s, services) { WAITFOR(s->state() != QLowEnergyService::DiscoveringServices, BLE_TIMEOUT); + if (s->state() == QLowEnergyService::DiscoveringServices) + qDebug() << " .. service " << s->serviceUuid() << "still hasn't completed discovery - trouble ahead"; } // Print out the services for debugging |