summaryrefslogtreecommitdiff
path: root/src/plugins
diff options
context:
space:
mode:
authorFawzi Mohamed <fawzi.mohamed@digia.com>2014-04-11 14:35:14 +0200
committerThe Qt Project <gerrit-noreply@qt-project.org>2014-04-17 13:44:57 +0200
commit8a0da79f058b7ee7cdf4a198fdf088e8a43565fb (patch)
tree3d0e2649fcc452baf782eab2d9b6c1c7ec6880d9 /src/plugins
parentda27dc09c45a236744c482107a7d9f709069381c (diff)
downloadqtsensors-8a0da79f058b7ee7cdf4a198fdf088e8a43565fb.tar.gz
ios: skip accelerometer, gyroscope and magnetomenter updates if NaN
Change-Id: I7becfab81d56fc45ec7dc76333383503b8abccfe Reviewed-by: Alex Blasche <alexander.blasche@digia.com> Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@digia.com>
Diffstat (limited to 'src/plugins')
-rw-r--r--src/plugins/sensors/ios/iosaccelerometer.mm3
-rw-r--r--src/plugins/sensors/ios/iosgyroscope.mm3
-rw-r--r--src/plugins/sensors/ios/iosmagnetometer.mm6
3 files changed, 12 insertions, 0 deletions
diff --git a/src/plugins/sensors/ios/iosaccelerometer.mm b/src/plugins/sensors/ios/iosaccelerometer.mm
index 5f9c0f1..ef21546 100644
--- a/src/plugins/sensors/ios/iosaccelerometer.mm
+++ b/src/plugins/sensors/ios/iosaccelerometer.mm
@@ -77,6 +77,9 @@ 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;
+ // skip update if NaN
+ if (acc.x != acc.x || acc.y != acc.y || acc.z != acc.z)
+ return;
static const qreal G = 9.8066;
m_reading.setTimestamp(quint64(data.timestamp * 1e6));
m_reading.setX(qreal(acc.x) * G * -1);
diff --git a/src/plugins/sensors/ios/iosgyroscope.mm b/src/plugins/sensors/ios/iosgyroscope.mm
index 8dfa3a4..751786e 100644
--- a/src/plugins/sensors/ios/iosgyroscope.mm
+++ b/src/plugins/sensors/ios/iosgyroscope.mm
@@ -75,6 +75,9 @@ void IOSGyroscope::timerEvent(QTimerEvent *)
// Convert NSTimeInterval to microseconds and radians to degrees:
CMGyroData *data = m_motionManager.gyroData;
CMRotationRate rate = data.rotationRate;
+ // skip update if NaN
+ if (rate.x != rate.x || rate.y != rate.y || rate.z != rate.z)
+ return;
m_reading.setTimestamp(quint64(data.timestamp * 1e6));
m_reading.setX((qreal(rate.x) / M_PI) * 180);
m_reading.setY((qreal(rate.y) / M_PI) * 180);
diff --git a/src/plugins/sensors/ios/iosmagnetometer.mm b/src/plugins/sensors/ios/iosmagnetometer.mm
index 95f85ae..3cd8b10 100644
--- a/src/plugins/sensors/ios/iosmagnetometer.mm
+++ b/src/plugins/sensors/ios/iosmagnetometer.mm
@@ -91,6 +91,9 @@ void IOSMagnetometer::timerEvent(QTimerEvent *)
CMDeviceMotion *deviceMotion = m_motionManager.deviceMotion;
CMCalibratedMagneticField calibratedField = deviceMotion.magneticField;
field = calibratedField.field;
+ // skip update if NaN
+ if (field.x != field.x || field.y != field.y || field.z != field.z)
+ return;
m_reading.setTimestamp(quint64(deviceMotion.timestamp * 1e6));
switch (calibratedField.accuracy) {
@@ -110,6 +113,9 @@ void IOSMagnetometer::timerEvent(QTimerEvent *)
} else {
CMMagnetometerData *data = m_motionManager.magnetometerData;
field = data.magneticField;
+ // skip update if NaN
+ if (field.x != field.x || field.y != field.y || field.z != field.z)
+ return;
m_reading.setTimestamp(quint64(data.timestamp * 1e6));
m_reading.setCalibrationLevel(1.0);
}