Revision control
++ // Copyright (C) 2016 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
++ // Qt-Security score:critical reason:ipc
++
++
++ #include "sensorfwals.h"
++
++ char const * const Sensorfwals::id("sensorfw.als");
++
++ Sensorfwals::Sensorfwals(QSensor *sensor)
++ : SensorfwSensorBase(sensor)
++ , m_initDone(false)
++ {
++ init();
++ setReading<QAmbientLightReading>(&m_reading);
++ // metadata
++ setDescription(QLatin1String("ambient light intensity given as 5 pre-defined levels"));
++ addOutputRange(0, 5, 1);
++ addDataRate(10,10);
++ sensor->setDataRate(10);//set a default rate
++ }
++
++ void Sensorfwals::start()
++ {
++ if (reinitIsNeeded)
++ init();
++ if (m_sensorInterface) {
++ Unsigned data(((ALSSensorChannelInterface*)m_sensorInterface)->lux());
++ m_reading.setLightLevel(getLightLevel(data.x()));
++ m_reading.setTimestamp(data.UnsignedData().timestamp_);
++ newReadingAvailable();
++ }
++ SensorfwSensorBase::start();
++ }
++
++
++ void Sensorfwals::slotDataAvailable(const Unsigned& data)
++ {
++ QAmbientLightReading::LightLevel level = getLightLevel(data.UnsignedData().value_);
++ if (level != m_reading.lightLevel()) {
++ m_reading.setLightLevel(level);
++ m_reading.setTimestamp(data.UnsignedData().timestamp_);
++ newReadingAvailable();
++ }
++ }
++
++ bool Sensorfwals::doConnect()
++ {
++ Q_ASSERT(m_sensorInterface);
++ return QObject::connect(m_sensorInterface, SIGNAL(ALSChanged(Unsigned)),
++ this, SLOT(slotDataAvailable(Unsigned)));
++ }
++
++
++ QString Sensorfwals::sensorName() const
++ {
++ return "alssensor";
++ }
++
++
++ QAmbientLightReading::LightLevel Sensorfwals::getLightLevel(int lux)
++ {
++ // Convert from integer to fixed levels
++ if (lux < 0) {
++ return QAmbientLightReading::Undefined;
++ } else if (lux < 10) {
++ return QAmbientLightReading::Dark;
++ } else if (lux < 80) {
++ return QAmbientLightReading::Twilight;
++ } else if (lux < 400) {
++ return QAmbientLightReading::Light;
++ } else if (lux < 2500) {
++ return QAmbientLightReading::Bright;
++ } else {
++ return QAmbientLightReading::Sunny;
++ }
++
++ }
++ void Sensorfwals::init()
++ {
++ m_initDone = false;
++ initSensor<ALSSensorChannelInterface>(m_initDone);
++ }