| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtSensors module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** 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 https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://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 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "dummycommon.h" |
| |
| #include <QtCore/qdeadlinetimer.h> |
| |
| dummycommon::dummycommon(QSensor *sensor) |
| : QSensorBackend(sensor) |
| , m_timerid(0) |
| { |
| } |
| |
| void dummycommon::start() |
| { |
| if (m_timerid) |
| return; |
| |
| int dataRate = sensor()->dataRate(); |
| if (dataRate == 0) { |
| if (sensor()->availableDataRates().count()) |
| // Use the first available rate when -1 is chosen |
| dataRate = sensor()->availableDataRates().first().first; |
| else |
| dataRate = 1; |
| } |
| |
| int interval = 1000 / dataRate; |
| |
| if (interval) |
| m_timerid = startTimer(interval); |
| } |
| |
| void dummycommon::stop() |
| { |
| if (m_timerid) { |
| killTimer(m_timerid); |
| m_timerid = 0; |
| } |
| } |
| |
| void dummycommon::timerEvent(QTimerEvent * /*event*/) |
| { |
| poll(); |
| } |
| |
| quint64 dummycommon::getTimestamp() |
| { |
| return QDeadlineTimer::current().deadlineNSecs() / 1000; |
| } |
| |