private static void ObserverThread()
{
try
{
var device = new USBM();
if (!device.OpenDevice())
{
throw new Exception("Could not open device.");
}
while (true)
{
var volts = device.GetMeasuredValue();
if (volts == 0.0f)
{
throw new Exception("Value read from device was zero. This indicates the device may not be working. Restarting to try to recover.");
}
var ppmPerVolt = 197.5f; // Experimentally determined - looks perfectly linear.
var ppm = (int)(volts * ppmPerVolt);
Measurements.Inc();
Volts.Set(volts);
Ppm.Set(ppm);
Console.WriteLine($"{volts:#00.000} V\t\t{ppm} PPM");
Thread.Sleep(TimeSpan.FromSeconds(1));
}
}
catch (Exception ex)
{
// Oh no! This is fatal error.
Console.WriteLine(ex.ToString());
Console.WriteLine("Will restart after sleeping for a while.");
Thread.Sleep(TimeSpan.FromSeconds(30));
Process.GetCurrentProcess().Kill();
}
}
