public object Post(SensorReading request)
{
// Make sure we have a sensor reading queue for the sensor address
if (!readings.ContainsKey(request.SensorAddress))
readings.Add(request.SensorAddress, new Queue<SensorReading>());
// Add the sensor reading
readings[request.SensorAddress].Enqueue(request);
// If our queue is full of readings, pop the last one off the queue
if (readings[request.SensorAddress].Count > READINGS_TO_KEEP)
readings[request.SensorAddress].Dequeue();
if (!zoneRelays.ContainsKey(request.SensorAddress))
zoneRelays.Add(request.SensorAddress, false);
zoneRelays[request.SensorAddress] = request.RelayOn;
// Notify any listeners of our sensor reading
ServerEvents.NotifyChannel("sensor", request);
// Now, based on the sensor reading, turn the sprinklers on or off
// This is very basic logic, to demonstrate the capabilities
if (zoneRelays.ContainsKey(request.SensorAddress))
{
if (request.Reading > TURN_OFF_LEVEL && zoneRelays[request.SensorAddress] == true)
ServerEvents.NotifyChannel("relay", new ZoneControl() { RelayOn = true });
else if (request.Reading < TURN_ON_LEVEL && zoneRelays[request.SensorAddress] == false)
ServerEvents.NotifyChannel("relay", new ZoneControl() { RelayOn = false });
}
return null;
}
private async void ListenForData()
{
await device.ReadAPIPacket()
.ContinueWith(frames =>
{
foreach (var frame in frames.Result)
{
Debug.WriteLine("{2}: {0:X}\t{1,4}", frame.Address, frame.A1.ToString("X4"), DateTime.Now.ToString("mm:ss.fff"));
SensorReading reading = new SensorReading()
{
SensorAddress = frame.Address.ToString("X"),
RawReading = frame.A1,
Timestamp = DateTime.Now,
Reading = frame.A1 / 1024m,
RelayOn = false
};
if (relayPin != null)
{
GpioPinValue value = relayPin.Read();
reading.RelayOn = (value == GpioPinValue.High);
}
try
{
client.Post(reading);
}
catch (Exception ex)
{
Debug.WriteLine(ex.ToString());
}
}
});
ListenForData();
}