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++ // Copyright (C) 2025 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #include <QtCore/private/qohoslogger_p.h>
++ #include <ohosmagnetometerbackend.h>
++
++ namespace {
++
++ qreal microTeslaToTesla(qreal microTesla)
++ {
++ return microTesla * 1e-6;
++ }
++
++ }
++
++ OhosMagnetometerBackend::OhosMagnetometerBackend(QSensor *sensor)
++ : OhosSensorBackendBase(sensor)
++ {
++ }
++
++ void OhosMagnetometerBackend::processSensorData(const OhosSensorData &sensorData)
++ {
++ constexpr std::size_t expectedDataSize = 3;
++ if (sensorData.data.size() != expectedDataSize) {
++ qOhosPrintfError(
++ "%s: sensorData data has size: %lu. Expected: %lu",
++ Q_FUNC_INFO, sensorData.data.size(), expectedDataSize);
++ return;
++ }
++ auto x = microTeslaToTesla(sensorData.data[0]);
++ auto y = microTeslaToTesla(sensorData.data[1]);
++ auto z = microTeslaToTesla(sensorData.data[2]);
++ if (sensor()->skipDuplicates()
++ && qFuzzyCompare(m_reading.x(), x)
++ && qFuzzyCompare(m_reading.y(), y)
++ && qFuzzyCompare(m_reading.z(), z)) {
++ return;
++ }
++ m_reading.setX(x);
++ m_reading.setY(y);
++ m_reading.setZ(z);
++ m_reading.setTimestamp(sensorData.timestamp);
++ newReadingAvailable();
++ }