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39
40#include "genericorientationsensor.h"
41#include <QDebug>
42
43char const * const genericorientationsensor::id("generic.orientation");
44
45genericorientationsensor::genericorientationsensor(QSensor *sensor)
46 : QSensorBackend(sensor)
47{
48 accelerometer = new QAccelerometer(this);
49 accelerometer->addFilter(filter: this);
50 accelerometer->connectToBackend();
51
52 setReading<QOrientationReading>(&m_reading);
53 setDataRates(accelerometer);
54}
55
56void genericorientationsensor::start()
57{
58 accelerometer->setDataRate(sensor()->dataRate());
59 accelerometer->setAlwaysOn(sensor()->isAlwaysOn());
60 accelerometer->start();
61 if (!accelerometer->isActive())
62 sensorStopped();
63 if (accelerometer->isBusy())
64 sensorBusy();
65}
66
67void genericorientationsensor::stop()
68{
69 accelerometer->stop();
70}
71
72bool genericorientationsensor::filter(QAccelerometerReading *reading)
73{
74 QOrientationReading::Orientation o = m_reading.orientation();
75
76 if (reading->y() > 7.35)
77 o = QOrientationReading::TopUp;
78 else if (reading->y() < -7.35)
79 o = QOrientationReading::TopDown;
80 else if (reading->x() > 7.35)
81 o = QOrientationReading::RightUp;
82 else if (reading->x() < -7.35)
83 o = QOrientationReading::LeftUp;
84 else if (reading->z() > 7.35)
85 o = QOrientationReading::FaceUp;
86 else if (reading->z() < -7.35)
87 o = QOrientationReading::FaceDown;
88
89 if (o != m_reading.orientation() || m_reading.timestamp() == 0) {
90 m_reading.setTimestamp(reading->timestamp());
91 m_reading.setOrientation(o);
92 newReadingAvailable();
93 }
94
95 return false;
96}
97
98

source code of qtsensors/src/plugins/sensors/generic/genericorientationsensor.cpp