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
|
/****************************************************************************
**
** Copyright (C) 2012 Research In Motion
** Contact: http://www.qt-project.org/
**
** This file is part of the QtSensors module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "bborientationsensor.h"
BbOrientationSensor::BbOrientationSensor(QSensor *sensor)
: BbSensorBackend<QOrientationReading>(devicePath(), SENSOR_TYPE_ORIENTATION, sensor)
{
setDescription(QLatin1String("Device orientation"));
}
QString BbOrientationSensor::devicePath()
{
return QLatin1String("/dev/sensor/orientation");
}
void BbOrientationSensor::start()
{
BbSensorBackend<QOrientationReading>::start();
// Orientation rarely changes, so enable skiping of duplicates
sensor_devctl_skipdupevent_u deviceSkip;
deviceSkip.tx.enable = 1;
const int result = devctl(deviceFile().handle(), DCMD_SENSOR_SKIPDUPEVENT, &deviceSkip,
sizeof(deviceSkip), NULL);
if (result != EOK)
perror("Enabling duplicate skipping for orientation sensor failed");
}
void BbOrientationSensor::additionalDeviceInit()
{
// When querying the OS service for the range, it gives us the angles, which we don't need.
// So set the possible enum values of QOrientationReading::Orientation as the output range here.
// By returning false in addDefaultRange(), we skip setting the range from the OS service in the
// base class.
addOutputRange(0, 6, 1);
}
bool BbOrientationSensor::addDefaultRange()
{
return false;
}
bool BbOrientationSensor::updateReadingFromEvent(const sensor_event_t &event, QOrientationReading *reading)
{
QOrientationReading::Orientation qtOrientation = QOrientationReading::Undefined;
const QByteArray face(event.orientation.face);
if (face == "FACE_UP") qtOrientation = QOrientationReading::FaceUp;
else if (face == "TOP_UP") qtOrientation = QOrientationReading::TopUp;
else if (face == "RIGHT_UP") qtOrientation = QOrientationReading::RightUp;
else if (face == "LEFT_UP") qtOrientation = QOrientationReading::LeftUp;
else if (face == "BOTTOM_UP") qtOrientation = QOrientationReading::TopDown;
else if (face == "FACE_DOWN") qtOrientation = QOrientationReading::FaceDown;
reading->setOrientation(qtOrientation);
return true;
}
|
