From 8a0da79f058b7ee7cdf4a198fdf088e8a43565fb Mon Sep 17 00:00:00 2001 From: Fawzi Mohamed Date: Fri, 11 Apr 2014 14:35:14 +0200 Subject: ios: skip accelerometer, gyroscope and magnetomenter updates if NaN Change-Id: I7becfab81d56fc45ec7dc76333383503b8abccfe Reviewed-by: Alex Blasche Reviewed-by: Richard Moe Gustavsen --- src/plugins/sensors/ios/iosaccelerometer.mm | 3 +++ 1 file changed, 3 insertions(+) (limited to 'src/plugins/sensors/ios/iosaccelerometer.mm') 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); -- cgit v1.2.1