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| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** This file is part of the QtSensors module of the Qt Toolkit. |
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| |
| |
| #include "sensorfwcompass.h" |
| |
| char const * const SensorfwCompass::id("sensorfw.compass"); |
| |
| SensorfwCompass::SensorfwCompass(QSensor *sensor) |
| : SensorfwSensorBase(sensor) |
| , m_initDone(false) |
| { |
| init(); |
| setReading<QCompassReading>(&m_reading); |
| sensor->setDataRate(50);//set a default rate |
| } |
| |
| void SensorfwCompass::slotDataAvailable(const Compass& data) |
| { |
| // The scale for level is [0,3], where 3 is the best |
| // Qt: Measured as a value from 0 to 1 with higher values being better. |
| m_reading.setCalibrationLevel(((float) data.level()) / 3.0); |
| |
| // The scale for degrees from sensord is [0,359] |
| // Value can be directly used as azimuth |
| m_reading.setAzimuth(data.degrees()); |
| |
| m_reading.setTimestamp(data.data().timestamp_); |
| newReadingAvailable(); |
| } |
| |
| |
| bool SensorfwCompass::doConnect() |
| { |
| Q_ASSERT(m_sensorInterface); |
| return QObject::connect(m_sensorInterface, SIGNAL(dataAvailable(Compass)), |
| this, SLOT(slotDataAvailable(Compass))); |
| } |
| |
| QString SensorfwCompass::sensorName() const |
| { |
| return "compasssensor"; |
| } |
| |
| void SensorfwCompass::init() |
| { |
| m_initDone = false; |
| initSensor<CompassSensorChannelInterface>(m_initDone); |
| } |
| |
| void SensorfwCompass::start() |
| { |
| if (reinitIsNeeded) |
| init(); |
| SensorfwSensorBase::start(); |
| } |