static HeadingNorth ConvertToHeadingNorth(CompassReading reading)
{
return new HeadingNorth
{
Magnetic = reading.HeadingMagneticNorth,
True = reading.HeadingTrueNorth ?? 0.0
};
}
void compass_ReadingChanged(Compass sender, CompassReadingChangedEventArgs args)
{
Deployment.Current.Dispatcher.BeginInvoke(() =>
{
compassReading = args.Reading;
ShowData();
});
}
private void Button_Click_1(object sender, RoutedEventArgs e)
{
compass = Compass.GetDefault();
if (compass == null)
{
MessageBox.Show("不支持罗盘传感器");
return;
}
compass.ReportInterval = 1000;
compass.ReadingChanged += compass_ReadingChanged;
compassReading = compass.GetCurrentReading();
ShowData();
}
/// <summary>
/// This is the event handler for Compass' ReadingChanged events.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
async private void ReadingChanged(object sender, CompassReadingChangedEventArgs e)
{
await CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
CompassReading reading = e.Reading;
CurrentHeading = e.Reading;
// Calibrate if needed
if (reading.HeadingAccuracy != MagnetometerAccuracy.High)
{
calibrationBar.RequestCalibration(reading.HeadingAccuracy);
}
if (mapState == MapPositionState.FollowAndRotate)
{
GeolocationPin.Heading = 0;
MapMain.Heading = (double)reading.HeadingTrueNorth;
}
else
{
// This has to be the negative
GeolocationPin.Heading = (int)(MapMain.Heading - reading.HeadingTrueNorth.Value);
}
/*ScenarioOutput_MagneticNorth.Text = String.Format("{0,5:0.00}", reading.HeadingMagneticNorth);
if (reading.HeadingTrueNorth != null)
{
ScenarioOutput_TrueNorth.Text = String.Format("{0,5:0.00}", reading.HeadingTrueNorth);
}
else
{
ScenarioOutput_TrueNorth.Text = "No data";
}
switch (reading.HeadingAccuracy)
{
case MagnetometerAccuracy.Unknown:
ScenarioOutput_HeadingAccuracy.Text = "Unknown";
break;
case MagnetometerAccuracy.Unreliable:
ScenarioOutput_HeadingAccuracy.Text = "Unreliable";
break;
case MagnetometerAccuracy.Approximate:
ScenarioOutput_HeadingAccuracy.Text = "Approximate";
break;
case MagnetometerAccuracy.High:
ScenarioOutput_HeadingAccuracy.Text = "High";
break;
default:
ScenarioOutput_HeadingAccuracy.Text = "No data";
break;
}*/
});
}
internal CompassReadingChangedEventArgs(CompassReading reading)
{
Reading = reading;
}
public void setCompassReading(CompassReading reading)
{
//reading.
}
private void CompassOnReadingChanged(Compass sender, CompassReadingChangedEventArgs args)
{
_lastCompassReading = args.Reading;
}