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     3 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

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    40 ****************************************************************************/

    41 

    42 #include "maemo6als.h"

    43 

    44 char const * const maemo6als::id("maemo6.als");

    45 bool maemo6als::m_initDone = false;

    46 

    47 maemo6als::maemo6als(QSensor *sensor)

    48     : maemo6sensorbase(sensor)

    49 {

    50     const QString sensorName = "alssensor";

    51     initSensor<ALSSensorChannelInterface>(sensorName, m_initDone);

    52 

    53 

    54     if (m_sensorInterface){

    55         if (!(QObject::connect(m_sensorInterface, SIGNAL(ALSChanged(const Unsigned&)),

    56                                this, SLOT(slotDataAvailable(const Unsigned&)))))

    57             qWarning() << "Unable to connect "<< sensorName;

    58     }

    59     else

    60         qWarning() << "Unable to initialize "<<sensorName;

    61     setReading<QAmbientLightReading>(&m_reading);

    62     // metadata

    63     addDataRate(10, 10); // 10 Hz

    64     addOutputRange(0, 5, 1);

    65     setDescription(QLatin1String("Ambient light intensity given as 5 pre-defined levels"));

    66 }

    67 

    68 void maemo6als::slotDataAvailable(const Unsigned& data)

    69 {

    70     // Convert from integer to fixed levels

    71     // TODO: verify levels

    72     QAmbientLightReading::LightLevel level;

    73     int x = data.x();

    74     if (x < 0) {

    75         level = QAmbientLightReading::Undefined;

    76     } else if (x < 10) {

    77         level = QAmbientLightReading::Dark;

    78     } else if (x < 50) {

    79         level = QAmbientLightReading::Twilight;

    80     } else if (x < 100) {

    81         level = QAmbientLightReading::Light;

    82     } else if (x < 150) {

    83         level = QAmbientLightReading::Bright;

    84     } else {

    85         level = QAmbientLightReading::Sunny;

    86     }

    87     if (level != m_reading.lightLevel()) {

    88         m_reading.setLightLevel(level);

    89         m_reading.setTimestamp(data.UnsignedData().timestamp_);

    90         newReadingAvailable();

    91     }

    92 }