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#include "maemo6sensorbase.h"

#include <ctime>

SensorManagerInterface* maemo6sensorbase::m_remoteSensorManager = 0;

const float maemo6sensorbase::GRAVITY_EARTH = 9.80665;

const float maemo6sensorbase::GRAVITY_EARTH_THOUSANDTH = 0.00980665;

maemo6sensorbase::maemo6sensorbase(QSensor *sensor)

    : QSensorBackend(sensor), m_sensorRunning(false)

{

    if (!m_remoteSensorManager)

        m_remoteSensorManager = &SensorManagerInterface::instance();

}

maemo6sensorbase::~maemo6sensorbase()

{

   if (m_sensorInterface) {

        stop();

        QObject::disconnect(m_sensorInterface);

        delete m_sensorInterface, m_sensorInterface = 0;

    }

}

void maemo6sensorbase::start()

{

    if (m_sensorRunning)

        return;

    if (m_sensorInterface) {

        int dataRate = sensor()->dataRate();

        qDebug() << "Sensor data rate " << dataRate;

        if (dataRate > 0) {

            qDebug() << "Setting data rate " << dataRate << " for " << m_sensorInterface->id();

            m_sensorInterface->setInterval(dataRate);

        }

        m_sensorInterface->start();

    }

    m_sensorRunning = true;

}

void maemo6sensorbase::stop()

{

    if (!m_sensorRunning)

        return;

    if (m_sensorInterface)

        m_sensorInterface->stop();

    m_sensorRunning = false;

}

qtimestamp maemo6sensorbase::createTimestamp()

{

    timespec stamp;

    clock_gettime(CLOCK_MONOTONIC, &stamp);

    qtimestamp data = stamp.tv_sec;

    data = data * 1000000;

    data = stamp.tv_nsec / 1000 + data;

    return data;

}