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// Copyright (C) 2019 BogDan Vatra <bogdan@kde.org>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "androidmagnetometer.h"
AndroidMagnetometer::AndroidMagnetometer(int type, QSensor *sensor, QObject *parent)
: SensorEventQueue<QMagnetometerReading>(type, sensor, parent)
{}
void AndroidMagnetometer::dataReceived(const ASensorEvent &event)
{
const auto &mag = event.magnetic;
qreal accuracy = mag.status == ASENSOR_STATUS_NO_CONTACT ? 0 : mag.status / 3.0;
// check https://developer.android.com/reference/android/hardware/SensorEvent.html#sensor.type_magnetic_field:
// Android uses micro-Tesla, Qt uses Tesla
qreal x = qreal(mag.x) / 1e6;
qreal y = qreal(mag.y) / 1e6;
qreal z = qreal(mag.z) / 1e6;
if (sensor()->skipDuplicates() && qFuzzyCompare(accuracy, m_reader.calibrationLevel()) &&
qFuzzyCompare(x, m_reader.x()) &&
qFuzzyCompare(y, m_reader.y()) &&
qFuzzyCompare(z, m_reader.z())) {
return;
}
m_reader.setCalibrationLevel(accuracy);
m_reader.setTimestamp(uint64_t(event.timestamp / 1000));
m_reader.setX(x);
m_reader.setY(y);
m_reader.setZ(z);
newReadingAvailable();
}
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