/**************************************************************************** ** ** Copyright (C) 2015 The Qt Company Ltd. ** Contact: http://www.qt.io/licensing/ ** ** This file is part of the QtSensors module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL21$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see http://www.qt.io/terms-conditions. For further ** information use the contact form at http://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 or version 3 as published by the Free ** Software Foundation and appearing in the file LICENSE.LGPLv21 and ** LICENSE.LGPLv3 included in the packaging of this file. Please review the ** following information to ensure the GNU Lesser General Public License ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** As a special exception, The Qt Company gives you certain additional ** rights. These rights are described in The Qt Company LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "genericorientationsensor.h" #include char const * const genericorientationsensor::id("generic.orientation"); genericorientationsensor::genericorientationsensor(QSensor *sensor) : QSensorBackend(sensor) { accelerometer = new QAccelerometer(this); accelerometer->addFilter(this); accelerometer->connectToBackend(); setReading(&m_reading); setDataRates(accelerometer); } void genericorientationsensor::start() { accelerometer->setDataRate(sensor()->dataRate()); accelerometer->setAlwaysOn(sensor()->isAlwaysOn()); accelerometer->start(); if (!accelerometer->isActive()) sensorStopped(); if (accelerometer->isBusy()) sensorBusy(); } void genericorientationsensor::stop() { accelerometer->stop(); } bool genericorientationsensor::filter(QAccelerometerReading *reading) { QOrientationReading::Orientation o = m_reading.orientation(); if (reading->y() > 7.35) o = QOrientationReading::TopUp; else if (reading->y() < -7.35) o = QOrientationReading::TopDown; else if (reading->x() > 7.35) o = QOrientationReading::RightUp; else if (reading->x() < -7.35) o = QOrientationReading::LeftUp; else if (reading->z() > 7.35) o = QOrientationReading::FaceUp; else if (reading->z() < -7.35) o = QOrientationReading::FaceDown; if (o != m_reading.orientation() || m_reading.timestamp() == 0) { m_reading.setTimestamp(reading->timestamp()); m_reading.setOrientation(o); newReadingAvailable(); } return false; }