private async void timerCallback(object state)
{
if (_board != null)
{
if (_board.ButtonPressed)
SwitchLight();
await IoC.Instance.Resolve<IDispatcherService>().RunAsync(() =>
{
Humidity = _board.Humidity;
Temperature = _board.Temperature;
ExternalTemperature = _board.ExternalTemperature;
});
}
//Every 5 seconds
if (DateTime.Now.Second % 5 != 0)
return;
if (_client == null)
return;
//Send message
if (_telemetry)
{
var data = new DeviceMonitoringData();
data.DeviceId = SettingsViewModel.Default.DeviceId;
data.Humidity = Humidity;
data.Temperature = Temperature;
data.ExternalTemperature = ExternalTemperature;
var content = JsonConvert.SerializeObject(data);
await _client.SendEventAsync(new Message(Encoding.UTF8.GetBytes(content)));
}
//receive messages
Message message;
while ((message = await _client.ReceiveAsync()) != null)
{
var content = Encoding.ASCII.GetString(message.GetBytes());
Debug.WriteLine("{0}> Received message: {1}", DateTime.Now.ToLocalTime(), content);
var command = JsonConvert.DeserializeObject<DeviceCommand>(content);
if (command != null)
{
if (command.Name == "SwitchLight")
{
await IoC.Instance.Resolve<IDispatcherService>().RunAsync(() => SwitchLight());
await _client.CompleteAsync(message);
}
else if (command.Name == "LightColor")
{
if (command.Parameters.Count == 1)
{
var color = LEDColor.Black;
if (Enum.TryParse<LEDColor>(command.Parameters[0].Value, out color))
{
await IoC.Instance.Resolve<IDispatcherService>().RunAsync(() => LightColor = color);
await _client.CompleteAsync(message);
}
else
{
await _client.RejectAsync(message);
}
}
}
else if (command.Name == "PingDevice")
{
await _client.CompleteAsync(message);
}
else if (command.Name == "StartTelemetry")
{
_telemetry = true;
await _client.CompleteAsync(message);
}
else if (command.Name == "StopTelemetry")
{
_telemetry = false;
await _client.CompleteAsync(message);
}
else
{
await _client.RejectAsync(message);
}
}
}
}
private async Task SendTelemetryAsync(PayloadModel payload)
{
if (!_whiteList.ContainsKey(payload.device))
return;
var device = _whiteList[payload.device];
var connectionString = string.Format("HostName={0}.azure-devices.net;DeviceId={1};SharedAccessKey={2}",
_serviceSettings.Host, device.DeviceId, device.Key);
_client = DeviceClient.CreateFromConnectionString(connectionString, TransportType.Http1);
var MSB = Math.Floor(payload.byte2 / Math.Pow(2, 4));
var LSB = payload.byte3 % 64;
var temperature = (((MSB * Math.Pow(2, 6)) + LSB) - 200) / 8;
var humidity = payload.byte4 * 0.5;
var data = new DeviceMonitoringData();
data.DeviceId = payload.device;
data.Temperature = temperature;
data.Humidity = humidity;
var content = JsonConvert.SerializeObject(data);
AddLog("Device=" + payload.device + " Telemetry=" + content);
await _client.SendEventAsync(new Message(Encoding.UTF8.GetBytes(content)));
}
private static async void Callback(object state)
{
var keyDown = false;
if (Keyboard.IsKeyDown(VirtualKey.Numpad4) || Keyboard.IsKeyDown(VirtualKey.Down) || Keyboard.IsKeyDown(VirtualKey.Add))
{
_temperature--;
keyDown = true;
}
if (Keyboard.IsKeyDown(VirtualKey.Numpad7) || Keyboard.IsKeyDown(VirtualKey.Up) || Keyboard.IsKeyDown(VirtualKey.Subtract))
{
_temperature++;
keyDown = true;
}
else if (Keyboard.IsKeyDown(VirtualKey.Numpad5))
{
_humidity--;
keyDown = true;
}
else if (Keyboard.IsKeyDown(VirtualKey.Numpad8))
{
_humidity++;
keyDown = true;
}
else if (Keyboard.IsKeyDown(VirtualKey.Numpad6))
{
_externalTemperature--;
keyDown = true;
}
else if (Keyboard.IsKeyDown(VirtualKey.Numpad9))
{
_externalTemperature++;
keyDown = true;
}
if (keyDown)
Console.WriteLine("Temperature={0}, Humidity={1}, External temperature={2}", _temperature, _humidity, _externalTemperature);
if (DateTime.Now.Second % 5 != 0)
return;
if (_client == null)
return;
//Send message
if (_telemetry)
{
var data = new DeviceMonitoringData();
data.DeviceId = _deviceId;
data.Humidity = _humidity;
data.Temperature = _temperature;
data.ExternalTemperature = _externalTemperature;
var content = JsonConvert.SerializeObject(data);
var msg = new Message(Encoding.UTF8.GetBytes(content));
//await _client.SendEventAsync(message);
await _client.SendEventAsync(msg);
}
//receive messages
Message message;
while ((message = await _client.ReceiveAsync()) != null)
{
var content = Encoding.ASCII.GetString(message.GetBytes());
Console.WriteLine("{0}> Received message: {1}", DateTime.Now.ToLocalTime(), content);
var command = JsonConvert.DeserializeObject<DeviceCommand>(content);
if (command != null)
{
if (command.Name == "SwitchLight")
{
SwitchLight();
await _client.CompleteAsync(message);
}
else if (command.Name == "LightColor")
{
if (command.Parameters.Count == 1)
{
_lightColor = command.Parameters[0].Value;
await _client.CompleteAsync(message);
}
}
else if (command.Name == "PingDevice")
{
Console.WriteLine("Ping");
await _client.CompleteAsync(message);
}
else if (command.Name == "StartTelemetry")
{
Console.WriteLine("Start telemetry");
_telemetry = true;
await _client.CompleteAsync(message);
}
else if (command.Name == "StopTelemetry")
{
Console.WriteLine("Stop telemetry");
_telemetry = false;
await _client.CompleteAsync(message);
}
else
{
await _client.RejectAsync(message);
}
}
}
}