iot-sensortag: Assign sensor types arbitrarily to available sensor tags

In the demo setup, assign all sensor types to the set of
available sensor types.

Change-Id: If07674ccc40f7668e96e41df62d3b2745e6c9cb4
Reviewed-by: Maurice Kalinowski <maurice.kalinowski@qt.io>

2 files changed, 29 insertions, 32 deletions

diff --git a/tradeshow/iot-sensortag/demodataproviderpool.cpp b/tradeshow/iot-sensortag/demodataproviderpool.cpp
index 92c5e41..f9a219d 100644
--- a/tradeshow/iot-sensortag/demodataproviderpool.cpp
+++ b/tradeshow/iot-sensortag/demodataproviderpool.cpp
@@ -51,6 +51,10 @@
 #include "mockdataprovider.h"
 #include "bluetoothdataprovider.h"
 
+#include <QLoggingCategory>
+
+Q_DECLARE_LOGGING_CATEGORY(boot2QtDemos)
+
 DemoCloudProvider::DemoCloudProvider(QObject *parent)
     : SensorTagDataProvider(parent)
 {
@@ -296,35 +300,26 @@ void DemoDataProviderPool::startScanning()
             for (const QString& id : m_macFilters) {
                 BluetoothDataProvider *p = new BluetoothDataProvider(id, this);
                 m_dataProviders.push_back(p);
+                // Set initial state to Scanning for UI to be
+                // able to show "Connecting.." information
+                p->setState(SensorTagDataProvider::Scanning);
+                // Empty tag type, it will be set next
+                p->setTagType(0);
             }
             // Fake that we have set of sensors with different capabilities
-            // by removing some of the sensor data types from each sensor tag
-            if (m_dataProviders.length() > 0) {
-                SensorTagDataProvider *p = m_dataProviders.at(0);
-                p->setTagType(SensorTagDataProvider::ObjectTemperature |
-                              SensorTagDataProvider::Light |
-                              SensorTagDataProvider::Magnetometer |
-                              SensorTagDataProvider::Accelometer);
-                emit dataProvidersChanged();
-                if (m_dataProviders.length() > 1) {
-                    p = m_dataProviders.at(1);
-                    p->setTagType(SensorTagDataProvider::AmbientTemperature |
-                                  SensorTagDataProvider::Altitude |
-                                  SensorTagDataProvider::Humidity |
-                                  SensorTagDataProvider::Rotation |
-                                  SensorTagDataProvider::AirPressure);
-                    emit dataProvidersChanged();
+            // by assigning only some of the sensor data types to each sensor tag
+            int i = 0;
+            while (i < SensorTagDataProvider::tagTypeCount) {
+                for (int p = 0; p < m_dataProviders.count() && i < SensorTagDataProvider::tagTypeCount; p++) {
+                    SensorTagDataProvider *provider = m_dataProviders.at(p);
+                    int tagType = provider->tagType() | (1 << i++);
+                    provider->setTagType(tagType);
+                    qCDebug(boot2QtDemos) << "Set tag type for provider" << provider->id() << "to" << QString::number(tagType, 2);
                 }
             }
+            emit dataProvidersChanged();
             m_initialized = true;
         }
-        // Set initial state to Scanning for UI to be
-        // able to show "Connecting.." information
-        for (SensorTagDataProvider *p : m_dataProviders) {
-            if (p->state() == SensorTagDataProvider::NotFound) {
-                p->setState(SensorTagDataProvider::Scanning);
-            }
-        }
         SensorTagDataProviderPool::startScanning();
     }
 }
diff --git a/tradeshow/iot-sensortag/sensortagdataprovider.h b/tradeshow/iot-sensortag/sensortagdataprovider.h
index 605c5d0..523bd93 100644
--- a/tradeshow/iot-sensortag/sensortagdataprovider.h
+++ b/tradeshow/iot-sensortag/sensortagdataprovider.h
@@ -89,15 +89,17 @@ class SensorTagDataProvider : public QObject
     Q_PROPERTY(float altitude READ getAltitude NOTIFY altitudeChanged)
 
 public:
-    enum TagType {AmbientTemperature = 1 << 0,
-                  ObjectTemperature = 1 << 1,
-                  Humidity = 1 << 2,
-                  AirPressure = 1 << 3,
-                  Light = 1 << 4,
-                  Magnetometer = 1 << 5,
-                  Rotation = 1 << 6,
-                  Accelometer = 1 << 7,
-                  Altitude = 1 << 8};
+    enum TagType { AmbientTemperature = 1 << 0,
+                   ObjectTemperature = 1 << 1,
+                   Humidity = 1 << 2,
+                   AirPressure = 1 << 3,
+                   Light = 1 << 4,
+                   Magnetometer = 1 << 5,
+                   Rotation = 1 << 6,
+                   Accelometer = 1 << 7,
+                   Altitude = 1 << 8
+                 };
+    static const int tagTypeCount = 9;
     enum ProviderState {NotFound = 0, Disconnected, Scanning, Connected, Error};
 
     explicit SensorTagDataProvider(QObject *parent = 0);