diff options
Diffstat (limited to 'tradeshow/iot-sensortag/bluetoothdataprovider.cpp')
| -rw-r--r-- | tradeshow/iot-sensortag/bluetoothdataprovider.cpp | 79 |
1 files changed, 43 insertions, 36 deletions
diff --git a/tradeshow/iot-sensortag/bluetoothdataprovider.cpp b/tradeshow/iot-sensortag/bluetoothdataprovider.cpp index 06e9fd5..3c81d92 100644 --- a/tradeshow/iot-sensortag/bluetoothdataprovider.cpp +++ b/tradeshow/iot-sensortag/bluetoothdataprovider.cpp @@ -55,9 +55,10 @@ Q_DECLARE_LOGGING_CATEGORY(boot2QtDemos) #define SAMPLE_COUNT_FOR_ZERO_ALTITUDE 10 -BluetoothDataProvider::BluetoothDataProvider(QString id, QObject *parent) - : SensorTagDataProvider(id, parent) - , m_btDevice(Q_NULLPTR) +BluetoothDataProvider::BluetoothDataProvider(const QBluetoothDeviceInfo &id, QObject *parent) + : SensorTagDataProvider(id.address().toString(), parent) + , m_info(id) + , m_btDevice(nullptr) , m_smaSamples(0) , m_zeroAltitudeSamples(0) , gyroscopeX_calibration(0) @@ -76,42 +77,52 @@ BluetoothDataProvider::~BluetoothDataProvider() bool BluetoothDataProvider::startDataFetching() { - qCDebug(boot2QtDemos) << Q_FUNC_INFO; - if (m_btDevice) { - connect(m_btDevice, &BluetoothDevice::statusUpdated, this, [=](const QString& statusMsg) { - qCDebug(boot2QtDemos) << id() << "----------" << statusMsg; - }); - connect(m_btDevice, &BluetoothDevice::stateChanged, - this, &BluetoothDataProvider::updateState); - connect(m_btDevice, &BluetoothDevice::temperatureChanged, - this, &BluetoothDataProvider::temperatureReceived); - connect(m_btDevice, &BluetoothDevice::barometerChanged, - this, &BluetoothDataProvider::barometerReceived); - connect(m_btDevice, &BluetoothDevice::humidityChanged, - this, &BluetoothDataProvider::humidityReceived); - connect(m_btDevice, &BluetoothDevice::lightIntensityChanged, - this, &BluetoothDataProvider::lightIntensityReceived); - connect(m_btDevice, &BluetoothDevice::motionChanged, - this, &BluetoothDataProvider::motionReceived); - startServiceScan(); - } + qCDebug(boot2QtDemos) << Q_FUNC_INFO << " :" << m_btDevice; + + m_btDevice = new BluetoothDevice(m_info); + + connect(m_btDevice, &BluetoothDevice::statusUpdated, this, [=](const QString& statusMsg) { + qCDebug(boot2QtDemos) << id() << "----------" << statusMsg; + }); + connect(m_btDevice, &BluetoothDevice::stateChanged, + this, &BluetoothDataProvider::updateState); + connect(m_btDevice, &BluetoothDevice::temperatureChanged, + this, &BluetoothDataProvider::temperatureReceived); + connect(m_btDevice, &BluetoothDevice::barometerChanged, + this, &BluetoothDataProvider::barometerReceived); + connect(m_btDevice, &BluetoothDevice::humidityChanged, + this, &BluetoothDataProvider::humidityReceived); + connect(m_btDevice, &BluetoothDevice::lightIntensityChanged, + this, &BluetoothDataProvider::lightIntensityReceived); + connect(m_btDevice, &BluetoothDevice::motionChanged, + this, &BluetoothDataProvider::motionReceived); + startServiceScan(); + return true; } void BluetoothDataProvider::endDataFetching() { + // BluetoothDevice is not capable of restarting + qCDebug(boot2QtDemos) << Q_FUNC_INFO << " :" << m_btDevice; + m_btDevice->disconnectFromDevice(); + setState(Scanning); + + m_btDevice->deleteLater(); + m_btDevice = nullptr; } void BluetoothDataProvider::startServiceScan() { - qCDebug(boot2QtDemos)<<Q_FUNC_INFO; + qCDebug(boot2QtDemos) << Q_FUNC_INFO << m_btDevice; if (m_btDevice) { setState(Scanning); m_btDevice->scanServices(); } } -void BluetoothDataProvider::temperatureReceived(double newAmbientTemperature, double newObjectTemperature) +void BluetoothDataProvider::temperatureReceived(double newAmbientTemperature, + double newObjectTemperature) { /* NOTE: We emit the signals even if value is unchanged. * Otherwise the scrolling graphs in UI will not scroll. @@ -129,17 +140,18 @@ void BluetoothDataProvider::barometerReceived(double temperature, double baromet */ barometerCelsiusTemperature = temperature; emit barometerCelsiusTemperatureChanged(); - barometerTemperatureAverage = (temperature + m_smaSamples * barometerTemperatureAverage) / (m_smaSamples + 1); + barometerTemperatureAverage = (temperature + m_smaSamples * barometerTemperatureAverage) + / (m_smaSamples + 1); m_smaSamples++; emit barometerCelsiusTemperatureAverageChanged(); - // Use a limited number of samples. It will eventually give wrong avg values, but this is just a demo... + // Use a limited number of samples. It will eventually give wrong avg values, + // but this is just a demo... if (m_smaSamples > 10000) m_smaSamples = 0; barometerHPa = barometer; emit barometer_hPaChanged(); recalibrateZeroAltitude(); - calculateZeroAltitude(); } @@ -167,7 +179,7 @@ float BluetoothDataProvider::countRotationDegrees(double degreesPerSecond, quint return ((float)degreesPerSecond) * seconds; } -void BluetoothDataProvider::motionReceived(MotionSensorData &data) +void BluetoothDataProvider::motionReceived(const MotionSensorData &data) { /* NOTE: We emit the signals even if value is unchanged. * Otherwise the scrolling graphs in UI will not scroll. @@ -222,9 +234,11 @@ QString BluetoothDataProvider::versionString() const void BluetoothDataProvider::updateState() { + if (!m_btDevice) + return; + switch (m_btDevice->state()) { case BluetoothDevice::Disconnected: - unbindDevice(); break; case BluetoothDevice::Scanning: setState(Scanning); @@ -269,13 +283,6 @@ void BluetoothDataProvider::recalibrateZeroAltitude() } } -void BluetoothDataProvider::bindToDevice(BluetoothDevice *device) -{ - if (m_btDevice) - delete m_btDevice; - m_btDevice = device; -} - void BluetoothDataProvider::unbindDevice() { if (m_btDevice) { |