// Async method to send simulated telemetry
private static async Task SendDeviceToCloudMessagesAsync()
{
ContinueLoop = true;
OnDeviceStatusUpdate?.Invoke("IoT Hub Telemetry - Device sending messages.");
while (ContinueLoop)
{
Azure_IoTHub_Sensors.TelemetryDataPoint telemetryDataPoint;
if (Azure_IoTHub_Sensors.Weather.CurrentWeather.DoAsync)
{
telemetryDataPoint = await Azure_IoTHub_Sensors.Weather.CurrentWeather.GetWeatherAsync();
}
else
{
telemetryDataPoint = Azure_IoTHub_Sensors.Weather.CurrentWeather.GetWeather();
}
MessageString = JsonConvert.SerializeObject(telemetryDataPoint);
Message = new Message(Encoding.ASCII.GetBytes(MessageString));
//Message.UserId = Azure_IoTHub_Connections.MyConnections.IoTHubName;
Message.Properties.Add("temperatureAlert", (telemetryDataPoint.temperature > 30) ? "true" : "false");
Message.Properties.Add("humidityAlert", (telemetryDataPoint.humidity > 80) ? "true" : "false");
Message.Properties.Add("pressureAlert", (telemetryDataPoint.pressure > 1010) ? "true" : "false");
Azure_IoTHub_Telemetry.SyntheticIoTMessage iotmessage = new Azure_IoTHub_Telemetry.SyntheticIoTMessage(Message);
MessageString = iotmessage.Serialise();
System.Diagnostics.Debug.WriteLine("{0} > Sending message: {1}", DateTime.Now, MessageString);
SetDeviceSentMsg?.Invoke(string.Format("{0} > Sending message: {1}", DateTime.Now, MessageString));
// Send the telemetry message
if (!IsDeviceStreaming)
{
await s_deviceClient.SendEventAsync(Message);
Delay = 1000 * Azure_IoTHub_Connections.MyConnections.TelemetryDelayBtwReadings;
await Task.Delay(Delay);
if (!ContinueLoop)
{
OnDeviceStatusUpdate?.Invoke("Cancelled Telemetry - Device end");
}
}
else
{
ContinueLoop = false;
}
}
}
// Async method to send simulated telemetry
private static async Task SendDeviceToCloudMessagesAsync()
{
// Initial telemetry values
//double minTemperature = 20;
//double minHumidity = 60;
//Random rand = new Random();
OnDeviceStatusUpdateD?.Invoke("IoT Hub Telemetry #2- Device sending messages.");
ContinueLoop = true;
while (ContinueLoop)
{
//double currentTemperature = minTemperature + rand.NextDouble() * 15;
//double currentHumidity = minHumidity + rand.NextDouble() * 20;
//// Create JSON message
//var telemetryDataPoint = new
//{
// temperature = currentTemperature,
// humidity = currentHumidity
//};
//var messageString = JsonConvert.SerializeObject(telemetryDataPoint);
//var message = new Message(Encoding.ASCII.GetBytes(messageString));
//// Add a custom application property to the message.
//// An IoT hub can filter on these properties without access to the message body.
//message.Properties.Add("temperatureAlert", (currentTemperature > 30) ? "true" : "false");
//await s_deviceClient.SendEventAsync(message);
Azure_IoTHub_Sensors.TelemetryDataPoint telemetryDataPoint;
if (Azure_IoTHub_Sensors.Weather.CurrentWeather.DoAsync)
{
telemetryDataPoint = await Azure_IoTHub_Sensors.Weather.CurrentWeather.GetWeatherAsync();
}
else
{
telemetryDataPoint = Azure_IoTHub_Sensors.Weather.CurrentWeather.GetWeather();
}
MessageString = JsonConvert.SerializeObject(telemetryDataPoint);
Message = new Message(Encoding.ASCII.GetBytes(MessageString));
//Message.UserId = Azure_IoTHub_Connections.MyConnections.IoTHubName;
Message.Properties.Add("temperatureAlert", (telemetryDataPoint.temperature > 30) ? "true" : "false");
Message.Properties.Add("humidityAlert", (telemetryDataPoint.humidity > 80) ? "true" : "false");
Message.Properties.Add("pressureAlert", (telemetryDataPoint.pressure > 1010) ? "true" : "false");
Azure_IoTHub_Telemetry.SyntheticIoTMessage iotmessage = new Azure_IoTHub_Telemetry.SyntheticIoTMessage(Message);
MessageString = iotmessage.Serialise();
SetDeviceSentMsg?.Invoke(string.Format("{0} > Sending message: {1}", DateTime.Now, MessageString));
// Send the tlemetry message
await s_deviceClient.SendEventAsync(Message);
SetDeviceSentMsg?.Invoke(string.Format("{0} > Sending message: {1}", DateTime.Now, MessageString));
s_telemetryInterval = Azure_IoTHub_Connections.MyConnections.TelemetryDelayBtwReadings;
await Task.Delay(s_telemetryInterval * 1000);
if (!ContinueLoop)
{
OnDeviceStatusUpdateD?.Invoke("Cancelled Telemetry - Device end");
}
}
}