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diff --git a/tradeshow/iot-sensortag/characteristicinfo.cpp b/tradeshow/iot-sensortag/characteristicinfo.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the examples of Qt for Device Creation.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** BSD License Usage
+** Alternatively, you may use this file under the terms of the BSD license
+** as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of The Qt Company Ltd nor the names of its
+**     contributors may be used to endorse or promote products derived
+**     from this software without specific prior written permission.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "characteristicinfo.h"
+#include <QByteArray>
+
+CharacteristicInfo::CharacteristicInfo()
+{
+}
+
+CharacteristicInfo::CharacteristicInfo(const QLowEnergyCharacteristic &characteristic):
+    m_characteristic(characteristic)
+{
+}
+
+void CharacteristicInfo::setCharacteristic(const QLowEnergyCharacteristic &characteristic)
+{
+    m_characteristic = characteristic;
+    emit characteristicChanged();
+}
+
+QString CharacteristicInfo::getName() const
+{
+    QString name = m_characteristic.name();
+    if (!name.isEmpty())
+        return name;
+
+    // find descriptor with CharacteristicUserDescription
+    foreach (const QLowEnergyDescriptor &descriptor, m_characteristic.descriptors()) {
+        if (descriptor.type() == QBluetoothUuid::CharacteristicUserDescription) {
+            name = descriptor.value();
+            break;
+        }
+    }
+
+    if (name.isEmpty())
+        name = "Unknown";
+
+    return name;
+}
+
+QString CharacteristicInfo::getUuid() const
+{
+    const QBluetoothUuid uuid = m_characteristic.uuid();
+    bool success = false;
+    quint16 result16 = uuid.toUInt16(&success);
+    if (success)
+        return QStringLiteral("0x") + QString::number(result16, 16);
+
+    quint32 result32 = uuid.toUInt32(&success);
+    if (success)
+        return QStringLiteral("0x") + QString::number(result32, 16);
+
+    return uuid.toString().remove(QLatin1Char('{')).remove(QLatin1Char('}'));
+}
+
+QString CharacteristicInfo::getValue() const
+{
+    // Show raw string first and hex value below
+    QByteArray a = m_characteristic.value();
+    QString result;
+    if (a.isEmpty()) {
+        result = QStringLiteral("<none>");
+        return result;
+    }
+
+    result = a;
+    result += QLatin1Char('\n');
+    result += a.toHex();
+
+    return result;
+}
+
+QString CharacteristicInfo::getHandle() const
+{
+    return QStringLiteral("0x") + QString::number(m_characteristic.handle(), 16);
+}
+
+QString CharacteristicInfo::getPermission() const
+{
+    QString properties = "( ";
+    int permission = m_characteristic.properties();
+    if (permission & QLowEnergyCharacteristic::Read)
+        properties += QStringLiteral(" Read");
+    if (permission & QLowEnergyCharacteristic::Write)
+        properties += QStringLiteral(" Write");
+    if (permission & QLowEnergyCharacteristic::Notify)
+        properties += QStringLiteral(" Notify");
+    if (permission & QLowEnergyCharacteristic::Indicate)
+        properties += QStringLiteral(" Indicate");
+    if (permission & QLowEnergyCharacteristic::ExtendedProperty)
+        properties += QStringLiteral(" ExtendedProperty");
+    if (permission & QLowEnergyCharacteristic::Broadcasting)
+        properties += QStringLiteral(" Broadcast");
+    if (permission & QLowEnergyCharacteristic::WriteNoResponse)
+        properties += QStringLiteral(" WriteNoResp");
+    if (permission & QLowEnergyCharacteristic::WriteSigned)
+        properties += QStringLiteral(" WriteSigned");
+    properties += " )";
+    return properties;
+}
+
+QLowEnergyCharacteristic CharacteristicInfo::getCharacteristic() const
+{
+    return m_characteristic;
+}