iot-sensortag: Do not hardcode characteristic handles

Depending on the tag's firmware version the characteristics'
handle values might be different. Following TI's advice we
should do a proper lookup instead of hardcoding them.

Change-Id: I95934e554563e99118fc8ffe87de44e87d409ecf
Reviewed-by: Maurice Kalinowski <maurice.kalinowski@qt.io>
Reviewed-by: Kari Hautamäki <kari.hautamaki@qt.io>

1 files changed, 5 insertions, 0 deletions

diff --git a/tradeshow/iot-sensortag/bluetoothdevice.h b/tradeshow/iot-sensortag/bluetoothdevice.h
index 26ad814..435fd22 100644
--- a/tradeshow/iot-sensortag/bluetoothdevice.h
+++ b/tradeshow/iot-sensortag/bluetoothdevice.h
@@ -181,6 +181,11 @@ private:
     QLowEnergyService* humidityService;
     QLowEnergyService* lightService;
     QLowEnergyService* motionService;
+    QLowEnergyHandle irTemperatureHandle;
+    QLowEnergyHandle baroHandle;
+    QLowEnergyHandle humidityHandle;
+    QLowEnergyHandle lightHandle;
+    QLowEnergyHandle motionHandle;
     DeviceState m_deviceState;
     bool m_temperatureMeasurementStarted;
     bool m_barometerMeasurementStarted;