// simulate config command from iot central
private static async Task <MethodResponse> OnConfigchanged(MethodRequest methodrequest, object usercontext)
{
ShowEventMessage?.Invoke("Receiving cloud to device message OnConfigchanged");
try
{
dynamic payload = JObject.Parse(methodrequest.DataAsJson);
if (payload.version > Version)
{
Version = payload.version;
ShowEventMessage?.Invoke($"Configuration updated to version {payload.version}");
await SendMessageFromDeviceToCloud("config", $"Configuration updated to version {payload.version}").ConfigureAwait(false);
}
else
{
ShowEventMessage?.Invoke($"no update required, already on {Version}");
await SendMessageFromDeviceToCloud("config", $"no update required, already on {Version}").ConfigureAwait(false);
}
}
catch (Exception e)
{
await AzureIotCentralClient.SendMessageFromDeviceToCloud("alarm", $"Exception OnConfigchanged {e.Message} data {methodrequest.DataAsJson}").ConfigureAwait(false);
}
return(new MethodResponse(200));
}
// processes deviceupdate command from iot central => disable/enable device
private static async Task <MethodResponse> OnDeviceChanged(MethodRequest methodrequest, object usercontext)
{
ShowEventMessage?.Invoke("Receiving cloud to device message OnSensorChanged");
try
{
dynamic payload = JObject.Parse(methodrequest.DataAsJson);
String bluetoothaddress = payload.bluetoothaddress;
String action = payload.action;
// invoke sensor changed delegate
await(SensorChanged?.Invoke(bluetoothaddress, null, action)).ConfigureAwait(false);
}
catch (Exception e)
{
// on exception inform iot central => disable/enable sensor
await AzureIotCentralClient.SendMessageFromDeviceToCloud("alarm", $"Exception OnDeviceChanged {e.Message} data {methodrequest.DataAsJson}").ConfigureAwait(false);
}
return(new MethodResponse(200));
}
private async Task ReadValues()
{
if (Beacon == null)
{
return;
}
// read values fromm sensor
DateTime timeStamp = DateTime.Now;
double batteryLevel = await ReadBatteryValue().ConfigureAwait(true);
double lux = await ReadLuminosityValue().ConfigureAwait(true);
double temperature = await ReadTemperatureValue().ConfigureAwait(true);
if (Beacon == null)
{
return;
}
// set values in beacon
Beacon?.SetData(SensorType.BatteryPercent, batteryLevel);
Beacon?.SetData(SensorType.Luminosity, lux);
Beacon?.SetData(SensorType.Temperature, temperature);
// do the ui stuff
ThreadHelper.RunOnMainThread(() =>
{
Beacon.TimeStampReceived = timeStamp;
Beacon?.UpdateUi();
});
// send to iot central if all sensor data are valid
if (Beacon?.AllDataValid() == true)
{
await AzureIotCentralClient.SendSensorDataToIotCentral(Beacon, timeStamp).ConfigureAwait(false);
}
}