diff options
| -rw-r--r-- | src/plugins/sensors/ios/iosaccelerometer.h | 9 | ||||
| -rw-r--r-- | src/plugins/sensors/ios/iosaccelerometer.mm | 52 |
2 files changed, 24 insertions, 37 deletions
diff --git a/src/plugins/sensors/ios/iosaccelerometer.h b/src/plugins/sensors/ios/iosaccelerometer.h index 5fcac19f..1a6560b1 100644 --- a/src/plugins/sensors/ios/iosaccelerometer.h +++ b/src/plugins/sensors/ios/iosaccelerometer.h @@ -42,29 +42,28 @@ #ifndef IOSACCELEROMETER_H #define IOSACCELEROMETER_H -#include <Foundation/Foundation.h> +#include <CoreMotion/CMMotionManager.h> #include <qsensorbackend.h> #include <qaccelerometer.h> QT_BEGIN_NAMESPACE -@class QtIoAccelListener; - class IOSAccelerometer : public QSensorBackend { public: static char const * const id; explicit IOSAccelerometer(QSensor *sensor); - ~IOSAccelerometer(); + void timerEvent(QTimerEvent *); void start(); void stop(); private: - NSOperationQueue *m_updateQueue; + CMMotionManager *m_motionManager; QAccelerometerReading m_reading; + int m_timer; }; QT_END_NAMESPACE diff --git a/src/plugins/sensors/ios/iosaccelerometer.mm b/src/plugins/sensors/ios/iosaccelerometer.mm index b657b507..5f9c0f16 100644 --- a/src/plugins/sensors/ios/iosaccelerometer.mm +++ b/src/plugins/sensors/ios/iosaccelerometer.mm @@ -40,8 +40,6 @@ ****************************************************************************/ #include <UIKit/UIAccelerometer.h> -#include <CoreMotion/CMMotionManager.h> -#include <QPointer> #include "iosaccelerometer.h" #include "iosmotionmanager.h" @@ -52,49 +50,39 @@ QT_BEGIN_NAMESPACE IOSAccelerometer::IOSAccelerometer(QSensor *sensor) : QSensorBackend(sensor) - , m_updateQueue([[NSOperationQueue alloc] init]) + , m_motionManager([QIOSMotionManager sharedManager]) + , m_timer(0) { setReading<QAccelerometerReading>(&m_reading); addDataRate(1, 100); // 100Hz addOutputRange(-22.418, 22.418, 0.17651); // 2G } -IOSAccelerometer::~IOSAccelerometer() -{ - [m_updateQueue release]; -} - void IOSAccelerometer::start() { - CMMotionManager *motionManager = [QIOSMotionManager sharedManager]; - // Convert from Hz to NSTimeInterval: int hz = sensor()->dataRate(); - motionManager.accelerometerUpdateInterval = (hz == 0) ? 0 : 1. / hz; - - QPointer<QObject> self = this; - [motionManager startAccelerometerUpdatesToQueue:m_updateQueue withHandler:^(CMAccelerometerData *data, NSError *error) { - // NSOperationQueue is multi-threaded, so we process the data by queuing a callback to - // the main application queue. By the time the callback executes, IOSAccelerometer might - // have been deleted, so we need an extra QPointer check for that: - dispatch_async(dispatch_get_main_queue(), ^{ - if (self) { - Q_UNUSED(error); - // Convert from NSTimeInterval to microseconds and G to m/s2, and flip axes: - CMAcceleration acc = data.acceleration; - const qreal G = 9.8066; - m_reading.setTimestamp(quint64(data.timestamp * 1000000)); - m_reading.setX(qreal(acc.x) * G * -1); - m_reading.setY(qreal(acc.y) * G * -1); - m_reading.setZ(qreal(acc.z) * G * -1); - newReadingAvailable(); - } - }); - }]; + m_timer = startTimer(1000 / (hz == 0 ? 60 : hz)); + [m_motionManager startAccelerometerUpdates]; } void IOSAccelerometer::stop() { - [[QIOSMotionManager sharedManager] stopAccelerometerUpdates]; + [m_motionManager stopAccelerometerUpdates]; + killTimer(m_timer); + m_timer = 0; +} + +void IOSAccelerometer::timerEvent(QTimerEvent *) +{ + // Convert from NSTimeInterval to microseconds and G to m/s2, and flip axes: + CMAccelerometerData *data = m_motionManager.accelerometerData; + CMAcceleration acc = data.acceleration; + static const qreal G = 9.8066; + m_reading.setTimestamp(quint64(data.timestamp * 1e6)); + m_reading.setX(qreal(acc.x) * G * -1); + m_reading.setY(qreal(acc.y) * G * -1); + m_reading.setZ(qreal(acc.z) * G * -1); + newReadingAvailable(); } QT_END_NAMESPACE |