public void Run(IBackgroundTaskInstance taskInstance)
{
deferral = taskInstance.GetDeferral();
sampler = new HumidityTemperatureReading();
gpioCtrl = new GpioService();
samplerPin = gpioCtrl.Controller?.OpenPin((int)Settings.DHT11DataPinId);
if (samplerPin != null)
{
sampler.Init(samplerPin);
}
timer = ThreadPoolTimer.CreatePeriodicTimer(OnTimer, TimeSpan.FromSeconds(60));
}
public ISensorReading ReadSensor()
{
var result = new HumidityTemperatureReading
{
Humidity = 0
};
using (Dht22 dht = new Dht22(_gpioPin))
{
//sometimes the sensor returns NaN's
while (result.Humidity == 0)
{
result.Temperature = dht.Temperature;
result.Humidity = dht.Humidity;
if (result.Humidity == 0)
{
System.Threading.Thread.Sleep(1000);
}
}
}
return(result);
}
