/// <summary>
/// Samples each of the sensors and stores the values in <see cref="sampleBuffer"/>.
/// </summary>
/// <param name="time">
/// The current time, in UTC.
/// </param>
private void Sample(DateTime time)
{
List <Thread> threads = new List <Thread>();
threads.Add(new Thread(() =>
{
if (config.IsSensorEnabled(AwsSensor.AirTemperature))
{
try
{
sampleBuffer.AirTemperature.Add(airTempSensor.Sample());
}
catch { gpio.Write(config.errorLedPin, PinValue.High); }
}
if (config.IsSensorEnabled(AwsSensor.RelativeHumidity))
{
try
{
sampleBuffer.RelativeHumidity.Add(relHumSensor.Sample());
}
catch { gpio.Write(config.errorLedPin, PinValue.High); }
}
if (config.IsSensorEnabled(AwsSensor.StationPressure))
{
try
{
sampleBuffer.StationPressure.Add(staPresSensor.Sample());
}
catch { gpio.Write(config.errorLedPin, PinValue.High); }
}
}));
threads.Add(new Thread(() =>
{
if (config.IsSensorEnabled(AwsSensor.Satellite))
{
try
{
SatelliteSample sample = satellite.Sample();
if (sample.WindSpeed != null)
{
if (lastWindSpeedSampleTime != null &&
lastWindSpeedSampleTime == time - TimeSpan.FromSeconds(1))
{
sampleBuffer.WindSpeed.Add(new KeyValuePair <DateTime, double>(time,
((int)sample.WindSpeed) * Inspeed8PulseAnemometer.MS_PER_HZ));
}
lastWindSpeedSampleTime = time;
}
if (sample.WindDirection != null)
{
sampleBuffer.WindDirection.Add(new KeyValuePair <DateTime, double>(
time, (double)sample.WindDirection));
}
if (sample.SunshineDuration != null)
{
sampleBuffer.SunshineDuration.Add((bool)sample.SunshineDuration);
}
}
catch
{
gpio.Write(config.errorLedPin, PinValue.High);
}
}
}));
threads.Add(new Thread(() =>
{
if (config.IsSensorEnabled(AwsSensor.Rainfall))
{
try
{
double rainfall = rainfallSensor.Sample();
if (lastRainfallSampleTime != null &&
lastRainfallSampleTime == time - TimeSpan.FromSeconds(1))
{
sampleBuffer.Rainfall.Add(rainfall);
}
lastRainfallSampleTime = time;
}
catch
{
gpio.Write(config.errorLedPin, PinValue.High);
}
}
}));
foreach (Thread thread in threads)
{
thread.Start();
}
foreach (Thread thread in threads)
{
thread.Join();
}
}