1 files changed, 111 insertions, 0 deletions
diff --git a/src/plugins/sensors/sensorfw/sensorfwals.cpp b/src/plugins/sensors/sensorfw/sensorfwals.cpp
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+++ b/src/plugins/sensors/sensorfw/sensorfwals.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtSensors module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include "sensorfwals.h"
+
+char const * const Sensorfwals::id("sensorfw.als");
+bool Sensorfwals::m_initDone = false;
+
+Sensorfwals::Sensorfwals(QSensor *sensor)
+    : SensorfwSensorBase(sensor)
+{
+    initSensor<ALSSensorChannelInterface>(m_initDone);
+    setReading<QAmbientLightReading>(&m_reading);
+    // metadata
+    setDescription(QLatin1String("ambient light intensity given as 5 pre-defined levels"));
+    addOutputRange(0, 5, 1);
+    addDataRate(10,10);
+}
+
+void Sensorfwals::start()
+{
+    if (m_sensorInterface) {
+        Unsigned data(((ALSSensorChannelInterface*)m_sensorInterface)->lux());
+        m_reading.setLightLevel(getLightLevel(data.x()));
+        m_reading.setTimestamp(data.UnsignedData().timestamp_);
+        newReadingAvailable();
+    }
+    SensorfwSensorBase::start();
+}
+
+
+void Sensorfwals::slotDataAvailable(const Unsigned& data)
+{
+    QAmbientLightReading::LightLevel level = getLightLevel(data.x());
+    if (level != m_reading.lightLevel()) {
+        m_reading.setLightLevel(level);
+        m_reading.setTimestamp(data.UnsignedData().timestamp_);
+        newReadingAvailable();
+    }
+}
+
+bool Sensorfwals::doConnect()
+{
+    return QObject::connect(m_sensorInterface, SIGNAL(ALSChanged(const Unsigned&)),
+                            this, SLOT(slotDataAvailable(const Unsigned&)));
+}
+
+
+QString Sensorfwals::sensorName() const
+{
+    return "alssensor";
+}
+
+
+QAmbientLightReading::LightLevel Sensorfwals::getLightLevel(int lux)
+{
+    // Convert from integer to fixed levels
+    if (lux < 0) {
+        return QAmbientLightReading::Undefined;
+    } else if (lux < 10) {
+        return QAmbientLightReading::Dark;
+    } else if (lux < 50) {
+        return QAmbientLightReading::Twilight;
+    } else if (lux < 100) {
+        return QAmbientLightReading::Light;
+    } else if (lux < 150) {
+        return QAmbientLightReading::Bright;
+    } else {
+        return QAmbientLightReading::Sunny;
+    }
+
+}