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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
// Internal Headers
#include "lightsensorsym.h"
#include <sensrvgeneralproperties.h>
/**
* set the id of the Light data sensor
*/
char const * const CLightSensorSym::id("sym.light");
/**
* Factory function, this is used to create the Light data object
* @return CLightSensorSym if successful, leaves on failure
*/
CLightSensorSym* CLightSensorSym::NewL(QSensor *sensor)
{
CLightSensorSym* self = new (ELeave) CLightSensorSym(sensor);
CleanupStack::PushL(self);
self->ConstructL();
CleanupStack::Pop();//self
return self;
}
/**
* Destructor
* Closes the backend resources
*/
CLightSensorSym::~CLightSensorSym()
{
// Release the backend resources
Close();
}
/**
* Default constructor
*/
CLightSensorSym::CLightSensorSym(QSensor *sensor):CSensorBackendSym(sensor)
{
setReading<QLightReading>(&iReading);
iBackendData.iSensorType = KSensrvChannelTypeIdAmbientLightLuxData;
}
/*
* DataReceived is used to retrieve the sensor reading from sensor server
* It is implemented here to handle Light data sensor specific
* reading data and provides conversion and utility code
*/
void CLightSensorSym::DataReceived(CSensrvChannel &aChannel, TInt aCount, TInt /*aDataLost*/)
{
ProcessData(aChannel, aCount, iData);
}
void CLightSensorSym::ProcessReading()
{
TReal lightValue = iData.iAmbientLight;
// Get a lock on the reading data
iBackendData.iReadingLock.Wait();
// Set the timestamp
iReading.setTimestamp(iData.iTimeStamp.Int64());
// Set the light data
iReading.setLux(lightValue);
// Release the lock
iBackendData.iReadingLock.Signal();
// Notify that a reading is available
newReadingAvailable();
}
/**
* Second phase constructor
* Initialize the backend resources
*/
void CLightSensorSym::ConstructL()
{
//Initialize the backend resources
InitializeL();
}
|
