summaryrefslogtreecommitdiffstats
path: root/src/plugins/sensors/sensortag/sensortagals.cpp
blob: 3fe2de4ca0dae119cb8fc132ffb0dcc23eef903a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
/****************************************************************************
**
** Copyright (C) 2017 Lorn Potter
** Copyright (C) 2017 The Qt Company Ltd.
** Copyright (C) 2016 Canonical, Ltd.
** Contact: https://www.qt.io/licensing/
**
** 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 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.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "sensortagals.h"
#include "sensortagbase.h"
#include <QDebug>

char const * const SensorTagAls::id("sensortag.als");

SensorTagAls::SensorTagAls(QSensor *sensor)
    : SensorTagBase(sensor)
    , m_initDone(false)
{
    init();
    setReading<QAmbientLightReading>(&m_reading);
    setDescription(QLatin1String("ambient light intensity given as 5 pre-defined levels"));
}

void SensorTagAls::start()
{
    QObject::connect(this, &SensorTagBase::luxDataAvailable, this, &SensorTagAls::slotDataAvailable);
    d_ptr->enableService(TI_SENSORTAG_LIGHT_SERVICE);
}

void SensorTagAls::stop()
{
    QObject::disconnect(this, &SensorTagBase::luxDataAvailable, this, &SensorTagAls::slotDataAvailable);
    d_ptr->disableService(TI_SENSORTAG_LIGHT_SERVICE);
}

void SensorTagAls::slotDataAvailable(qreal data)
{
    QAmbientLightReading::LightLevel level = getLightLevel(data);
    if (level != m_reading.lightLevel()) {
        m_reading.setLightLevel(level);
        m_reading.setTimestamp(produceTimestamp());
        newReadingAvailable();
    }
}

QAmbientLightReading::LightLevel SensorTagAls::getLightLevel(int lux)
{
    if (lux < 0)
        return QAmbientLightReading::Undefined;
    if (lux < 10)
        return QAmbientLightReading::Dark;
    if (lux < 80)
        return QAmbientLightReading::Twilight;
    if (lux < 400)
        return QAmbientLightReading::Light;
    if (lux < 2500)
        return QAmbientLightReading::Bright;
    return QAmbientLightReading::Sunny;
}

void SensorTagAls::init()
{
    m_initDone = false;
}