/// <summary>
/// Resets the device and clears current measurements.
/// </summary>
public void Reset()
{
// Thread-safe lock
lock (_lock)
{
// Reset device
_device.Reset();
// Clear measurement
Measurement = new BarometerMeasurement();
}
}
/// <summary>
/// Updates the display when the <see cref="Device"/> channels change.
/// </summary>
private void OnMeasurementUpdated(object sender, BarometerMeasurement measurement)
{
// Dump statistics to output
WriteOutput(measurement.ToString());
// Add data point to graph
Graph.Add(measurement);
// Update display
DoPropertyChanged(nameof(Device));
DoPropertyChanged(nameof(Graph));
}
/// <summary>
/// Performs calculation on the device then fires the <see cref="MeasurementUpdated"/> event.
/// </summary>
public BarometerMeasurement Update()
{
// Thread-safe lock
lock (_lock)
{
// Perform calculation
_device.Update();
var measurement = new BarometerMeasurement(_device.Pressure, _device.Temperature);
// Update property
Measurement = measurement;
// Fire event
MeasurementUpdated?.Invoke(this, measurement);
// Return result
return(measurement);
}
}
private void SaveMeasurements_Clicked(object sender, EventArgs e)
{
BarometerMeasurement barometer = new BarometerMeasurement();
barometer.Altitude = CurrentAltitude;
barometer.Pressure = CurrentPressure;
barometer.Label = EntryLabelName.Text;
if (measurements.Count > 0)
{
barometer.HeightChange = measurements.LastOrDefault().Altitude + barometer.Altitude;
}
else
{
barometer.HeightChange = barometer.Altitude;
}
measurements.Add(barometer);
}