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<h1 class="title">characteristicinfo.cpp Example File</h1>
<span class="subtitle">lowenergyscanner/characteristicinfo.cpp</span>
<!-- $$$lowenergyscanner/characteristicinfo.cpp-description -->
<div class="descr"> <a name="details"></a>
<pre class="cpp">
<span class="comment">/***************************************************************************
**
** Copyright (C) 2013 BlackBerry Limited. All rights reserved.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtBluetooth module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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
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** the documentation and/or other materials provided with the
** distribution.
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****************************************************************************/</span>
<span class="preprocessor">#include "characteristicinfo.h"</span>
<span class="preprocessor">#include "qbluetoothuuid.h"</span>
<span class="preprocessor">#include <QByteArray></span>
CharacteristicInfo<span class="operator">::</span>CharacteristicInfo(<span class="keyword">const</span> <span class="type"><a href="qlowenergycharacteristic.html">QLowEnergyCharacteristic</a></span> <span class="operator">&</span>characteristic):
m_characteristic(characteristic)
{
}
<span class="type">void</span> CharacteristicInfo<span class="operator">::</span>setCharacteristic(<span class="keyword">const</span> <span class="type"><a href="qlowenergycharacteristic.html">QLowEnergyCharacteristic</a></span> <span class="operator">&</span>characteristic)
{
m_characteristic <span class="operator">=</span> characteristic;
<span class="keyword">emit</span> characteristicChanged();
}
<span class="type">QString</span> CharacteristicInfo<span class="operator">::</span>getName() <span class="keyword">const</span>
{
<span class="type">QString</span> name <span class="operator">=</span> m_characteristic<span class="operator">.</span>name();
<span class="keyword">if</span> (<span class="operator">!</span>name<span class="operator">.</span>isEmpty())
<span class="keyword">return</span> name;
<span class="comment">// find descriptor with CharacteristicUserDescription</span>
<span class="keyword">const</span> <span class="type">QList</span><span class="operator"><</span><span class="type"><a href="qlowenergydescriptor.html">QLowEnergyDescriptor</a></span><span class="operator">></span> descriptors <span class="operator">=</span> m_characteristic<span class="operator">.</span>descriptors();
<span class="keyword">for</span> (<span class="keyword">const</span> <span class="type"><a href="qlowenergydescriptor.html">QLowEnergyDescriptor</a></span> <span class="operator">&</span>descriptor : descriptors) {
<span class="keyword">if</span> (descriptor<span class="operator">.</span>type() <span class="operator">=</span><span class="operator">=</span> <span class="type"><a href="qbluetoothuuid.html">QBluetoothUuid</a></span><span class="operator">::</span>CharacteristicUserDescription) {
name <span class="operator">=</span> descriptor<span class="operator">.</span>value();
<span class="keyword">break</span>;
}
}
<span class="keyword">if</span> (name<span class="operator">.</span>isEmpty())
name <span class="operator">=</span> <span class="string">"Unknown"</span>;
<span class="keyword">return</span> name;
}
<span class="type">QString</span> CharacteristicInfo<span class="operator">::</span>getUuid() <span class="keyword">const</span>
{
<span class="keyword">const</span> <span class="type"><a href="qbluetoothuuid.html">QBluetoothUuid</a></span> uuid <span class="operator">=</span> m_characteristic<span class="operator">.</span>uuid();
bool success <span class="operator">=</span> <span class="keyword">false</span>;
<span class="type">quint16</span> result16 <span class="operator">=</span> uuid<span class="operator">.</span>toUInt16(<span class="operator">&</span>success);
<span class="keyword">if</span> (success)
<span class="keyword">return</span> <span class="type">QStringLiteral</span>(<span class="string">"0x"</span>) <span class="operator">+</span> <span class="type">QString</span><span class="operator">::</span>number(result16<span class="operator">,</span> <span class="number">16</span>);
<span class="type">quint32</span> result32 <span class="operator">=</span> uuid<span class="operator">.</span>toUInt32(<span class="operator">&</span>success);
<span class="keyword">if</span> (success)
<span class="keyword">return</span> <span class="type">QStringLiteral</span>(<span class="string">"0x"</span>) <span class="operator">+</span> <span class="type">QString</span><span class="operator">::</span>number(result32<span class="operator">,</span> <span class="number">16</span>);
<span class="keyword">return</span> uuid<span class="operator">.</span>toString()<span class="operator">.</span>remove(QLatin1Char(<span class="char">'{'</span>))<span class="operator">.</span>remove(QLatin1Char(<span class="char">'}'</span>));
}
<span class="type">QString</span> CharacteristicInfo<span class="operator">::</span>getValue() <span class="keyword">const</span>
{
<span class="comment">// Show raw string first and hex value below</span>
<span class="type">QByteArray</span> a <span class="operator">=</span> m_characteristic<span class="operator">.</span>value();
<span class="type">QString</span> result;
<span class="keyword">if</span> (a<span class="operator">.</span>isEmpty()) {
result <span class="operator">=</span> <span class="type">QStringLiteral</span>(<span class="string">"<none>"</span>);
<span class="keyword">return</span> result;
}
result <span class="operator">=</span> a;
result <span class="operator">+</span><span class="operator">=</span> QLatin1Char(<span class="char">'\n'</span>);
result <span class="operator">+</span><span class="operator">=</span> a<span class="operator">.</span>toHex();
<span class="keyword">return</span> result;
}
<span class="type">QString</span> CharacteristicInfo<span class="operator">::</span>getHandle() <span class="keyword">const</span>
{
<span class="keyword">return</span> <span class="type">QStringLiteral</span>(<span class="string">"0x"</span>) <span class="operator">+</span> <span class="type">QString</span><span class="operator">::</span>number(m_characteristic<span class="operator">.</span>handle()<span class="operator">,</span> <span class="number">16</span>);
}
<span class="type">QString</span> CharacteristicInfo<span class="operator">::</span>getPermission() <span class="keyword">const</span>
{
<span class="type">QString</span> properties <span class="operator">=</span> <span class="string">"( "</span>;
<span class="type">uint</span> permission <span class="operator">=</span> m_characteristic<span class="operator">.</span>properties();
<span class="keyword">if</span> (permission <span class="operator">&</span> <span class="type"><a href="qlowenergycharacteristic.html">QLowEnergyCharacteristic</a></span><span class="operator">::</span>Read)
properties <span class="operator">+</span><span class="operator">=</span> <span class="type">QStringLiteral</span>(<span class="string">" Read"</span>);
<span class="keyword">if</span> (permission <span class="operator">&</span> <span class="type"><a href="qlowenergycharacteristic.html">QLowEnergyCharacteristic</a></span><span class="operator">::</span>Write)
properties <span class="operator">+</span><span class="operator">=</span> <span class="type">QStringLiteral</span>(<span class="string">" Write"</span>);
<span class="keyword">if</span> (permission <span class="operator">&</span> <span class="type"><a href="qlowenergycharacteristic.html">QLowEnergyCharacteristic</a></span><span class="operator">::</span>Notify)
properties <span class="operator">+</span><span class="operator">=</span> <span class="type">QStringLiteral</span>(<span class="string">" Notify"</span>);
<span class="keyword">if</span> (permission <span class="operator">&</span> <span class="type"><a href="qlowenergycharacteristic.html">QLowEnergyCharacteristic</a></span><span class="operator">::</span>Indicate)
properties <span class="operator">+</span><span class="operator">=</span> <span class="type">QStringLiteral</span>(<span class="string">" Indicate"</span>);
<span class="keyword">if</span> (permission <span class="operator">&</span> <span class="type"><a href="qlowenergycharacteristic.html">QLowEnergyCharacteristic</a></span><span class="operator">::</span>ExtendedProperty)
properties <span class="operator">+</span><span class="operator">=</span> <span class="type">QStringLiteral</span>(<span class="string">" ExtendedProperty"</span>);
<span class="keyword">if</span> (permission <span class="operator">&</span> <span class="type"><a href="qlowenergycharacteristic.html">QLowEnergyCharacteristic</a></span><span class="operator">::</span>Broadcasting)
properties <span class="operator">+</span><span class="operator">=</span> <span class="type">QStringLiteral</span>(<span class="string">" Broadcast"</span>);
<span class="keyword">if</span> (permission <span class="operator">&</span> <span class="type"><a href="qlowenergycharacteristic.html">QLowEnergyCharacteristic</a></span><span class="operator">::</span>WriteNoResponse)
properties <span class="operator">+</span><span class="operator">=</span> <span class="type">QStringLiteral</span>(<span class="string">" WriteNoResp"</span>);
<span class="keyword">if</span> (permission <span class="operator">&</span> <span class="type"><a href="qlowenergycharacteristic.html">QLowEnergyCharacteristic</a></span><span class="operator">::</span>WriteSigned)
properties <span class="operator">+</span><span class="operator">=</span> <span class="type">QStringLiteral</span>(<span class="string">" WriteSigned"</span>);
properties <span class="operator">+</span><span class="operator">=</span> <span class="string">" )"</span>;
<span class="keyword">return</span> properties;
}
<span class="type"><a href="qlowenergycharacteristic.html">QLowEnergyCharacteristic</a></span> CharacteristicInfo<span class="operator">::</span>getCharacteristic() <span class="keyword">const</span>
{
<span class="keyword">return</span> m_characteristic;
}
</pre>
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<!-- @@@lowenergyscanner/characteristicinfo.cpp -->
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