From 517180c32cea6b38b24ce8b977c743276e1e98ae Mon Sep 17 00:00:00 2001 From: Richard Moe Gustavsen Date: Thu, 14 Mar 2013 13:23:38 +0100 Subject: iOS: implement gyroscope for iOS Change-Id: I4a46908a4b4e166c489dce4a034ef68698288419 Reviewed-by: Thomas McGuire Reviewed-by: Lorn Potter --- src/plugins/sensors/ios/ios.pro | 6 ++- src/plugins/sensors/ios/iosgyroscope.h | 68 ++++++++++++++++++++++++ src/plugins/sensors/ios/iosgyroscope.mm | 92 +++++++++++++++++++++++++++++++++ src/plugins/sensors/ios/main.mm | 9 +++- src/sensors/doc/src/compatmap.qdoc | 2 +- 5 files changed, 172 insertions(+), 5 deletions(-) create mode 100644 src/plugins/sensors/ios/iosgyroscope.h create mode 100644 src/plugins/sensors/ios/iosgyroscope.mm diff --git a/src/plugins/sensors/ios/ios.pro b/src/plugins/sensors/ios/ios.pro index 4242cfca..303c9741 100644 --- a/src/plugins/sensors/ios/ios.pro +++ b/src/plugins/sensors/ios/ios.pro @@ -8,10 +8,12 @@ load(qt_plugin) OTHER_FILES = plugin.json HEADERS += iosaccelerometer.h \ - iosmotionmanager.h + iosmotionmanager.h \ + iosgyroscope.h OBJECTIVE_SOURCES += main.mm \ iosaccelerometer.mm \ - iosmotionmanager.mm + iosmotionmanager.mm \ + iosgyroscope.mm LIBS += -framework UIKit -framework CoreMotion diff --git a/src/plugins/sensors/ios/iosgyroscope.h b/src/plugins/sensors/ios/iosgyroscope.h new file mode 100644 index 00000000..358a7c83 --- /dev/null +++ b/src/plugins/sensors/ios/iosgyroscope.h @@ -0,0 +1,68 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/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 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef IOSGYROSCOPE_H +#define IOSGYROSCOPE_H + +#include +#include + +QT_BEGIN_NAMESPACE + +class IOSGyroscope : public QSensorBackend +{ +public: + static char const * const id; + + explicit IOSGyroscope(QSensor *sensor); + ~IOSGyroscope(); + + void start(); + void stop(); + +private: + void *m_updateQueue; + QGyroscopeReading m_reading; +}; +QT_END_NAMESPACE + +#endif // IOSGYROSCOPE_H + diff --git a/src/plugins/sensors/ios/iosgyroscope.mm b/src/plugins/sensors/ios/iosgyroscope.mm new file mode 100644 index 00000000..987f5688 --- /dev/null +++ b/src/plugins/sensors/ios/iosgyroscope.mm @@ -0,0 +1,92 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/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 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include + +#include "iosmotionmanager.h" +#include "iosgyroscope.h" + +char const * const IOSGyroscope::id("ios.gyroscope"); + +QT_BEGIN_NAMESPACE + +IOSGyroscope::IOSGyroscope(QSensor *sensor) + : QSensorBackend(sensor) + , m_updateQueue([[NSOperationQueue alloc] init]) +{ + setReading(&m_reading); + addDataRate(1, 100); // 100Hz is max it seems + addOutputRange(-360, 360, 0.01); +} + +IOSGyroscope::~IOSGyroscope() +{ + [static_cast(m_updateQueue) release]; +} + +void IOSGyroscope::start() +{ + CMMotionManager *motionManager = [QIOSMotionManager sharedManager]; + // Convert Hz to NSTimeInterval: + int hz = sensor()->dataRate(); + motionManager.gyroUpdateInterval = (hz == 0) ? 0 : 1. / hz; + + NSOperationQueue *queue = static_cast(m_updateQueue); + [motionManager startGyroUpdatesToQueue:queue withHandler:^(CMGyroData *data, NSError *error) { + dispatch_async(dispatch_get_main_queue(), ^{ + Q_UNUSED(error); + // Convert NSTimeInterval to microseconds and radians to degrees: + CMRotationRate rate = data.rotationRate; + m_reading.setTimestamp(quint64(data.timestamp * 1000000)); + m_reading.setX((qreal(rate.x) / M_PI) * 180); + m_reading.setY((qreal(rate.y) / M_PI) * 180); + m_reading.setZ((qreal(rate.z) / M_PI) * 180); + newReadingAvailable(); + }); + }]; +} + +void IOSGyroscope::stop() +{ + [[QIOSMotionManager sharedManager] stopGyroUpdates]; +} + +QT_END_NAMESPACE diff --git a/src/plugins/sensors/ios/main.mm b/src/plugins/sensors/ios/main.mm index 3c739393..efa5370a 100644 --- a/src/plugins/sensors/ios/main.mm +++ b/src/plugins/sensors/ios/main.mm @@ -43,7 +43,9 @@ #include #include +#include "iosmotionmanager.h" #include "iosaccelerometer.h" +#include "iosgyroscope.h" class IOSSensorPlugin : public QObject, public QSensorPluginInterface, public QSensorBackendFactory { @@ -53,14 +55,17 @@ class IOSSensorPlugin : public QObject, public QSensorPluginInterface, public QS public: void registerSensors() { - if (!QSensorManager::isBackendRegistered(QAccelerometer::type, IOSAccelerometer::id)) - QSensorManager::registerBackend(QAccelerometer::type, IOSAccelerometer::id, this); + QSensorManager::registerBackend(QAccelerometer::type, IOSAccelerometer::id, this); + if ([QIOSMotionManager sharedManager].gyroAvailable) + QSensorManager::registerBackend(QGyroscope::type, IOSGyroscope::id, this); } QSensorBackend *createBackend(QSensor *sensor) { if (sensor->identifier() == IOSAccelerometer::id) return new IOSAccelerometer(sensor); + if (sensor->identifier() == IOSGyroscope::id) + return new IOSGyroscope(sensor); return 0; } diff --git a/src/sensors/doc/src/compatmap.qdoc b/src/sensors/doc/src/compatmap.qdoc index 62f94de0..9bb21fea 100644 --- a/src/sensors/doc/src/compatmap.qdoc +++ b/src/sensors/doc/src/compatmap.qdoc @@ -110,7 +110,7 @@ - + -- cgit v1.2.3