static void DoReceives(CancellationToken ct, string iotHubConnectionString) { // Was cancellation already requested? if (ct.IsCancellationRequested == true) { Console.WriteLine("DoReceives was cancelled before it got started."); ct.ThrowIfCancellationRequested(); } var deviceClient = DeviceClient.CreateFromConnectionString(iotHubConnectionString, TransportType.Amqp); while (true) { //receive cloud messages var rcvTask = AzureIoTHub.ReceiveCloudToDeviceMessageAsync(deviceClient); rcvTask.Wait(ct); Console.WriteLine("Received message from cloud: {0}", rcvTask.Result); if (ct.IsCancellationRequested) { Console.WriteLine("Task DoReceives cancelled"); ct.ThrowIfCancellationRequested(); } } }
public MainPage() { this.InitializeComponent(); Task.Run( async() => { while (true) { var message = await AzureIoTHub.ReceiveCloudToDeviceMessageAsync(); await CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.High, () => { textBox.Text += Environment.NewLine + message; if (message.ToLower().Contains("alert")) { textBox1.IsEnabled = true; } else { textBox1.IsEnabled = false; } }); } } ); }
public async Task RecieveAlert() { string Alert = await AzureIoTHub.ReceiveCloudToDeviceMessageAsync(); status.Text = Alert; await RecieveAlert(); }
private async Task ListenToIot() { string msg = string.Empty; while (true) { try { msg = await AzureIoTHub.ReceiveCloudToDeviceMessageAsync(); //await AzureIoTHub.SendDeviceToCloudMessageAsync(); } catch (Exception ex) { Debug.WriteLine(ex.Message); } if (msg.Contains("play")) { PlayMusic(); } else if (msg.Contains("stop")) { StopMusic(); } Debug.WriteLine(msg); } }
private void CheckIncomingCommand(Frame frame) { while (true) { string json = AzureIoTHub.ReceiveCloudToDeviceMessageAsync().Result; dynamic deserializeObject = JsonConvert.DeserializeObject(json); string command = deserializeObject.Type; frame.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => { if (command.Equals("Timer")) { frame.Navigate(typeof(Timer), json); } else if (command.Equals("Count")) { frame.Navigate(typeof(Count), json); } else if (command.Equals("Location")) { frame.Navigate(typeof(Location), json); } }); } }
static void DoReceives(CancellationToken ct) { // Was cancellation already requested? if (ct.IsCancellationRequested == true) { Console.WriteLine("DoReceives was cancelled before it got started."); ct.ThrowIfCancellationRequested(); } while (true) { //receive cloud messages var rcvTask = AzureIoTHub.ReceiveCloudToDeviceMessageAsync(); rcvTask.Wait(ct); Console.WriteLine("Received message from cloud: {0}", rcvTask.Result); // ct.WaitHandle.WaitOne(TimeSpan.FromSeconds(5)); if (ct.IsCancellationRequested) { Console.WriteLine("Task DoReceives cancelled"); ct.ThrowIfCancellationRequested(); } } }
public async Task RecieveAlert() { string value = await AzureIoTHub.ReceiveCloudToDeviceMessageAsync(); RecieveMessageStatus.Text = value; if (value.Equals("Capture")) { ImageCapture(); } if (value.Equals("forward")) { moveforward(); } if (value.Equals("backward")) { movebackward(); } if (value.Equals("right")) { moveright(); } if (value.Equals("left")) { moveleft(); } if (value.Equals("stop")) { stop(); } await RecieveAlert(); }
private async void SendButton_Click(object sender, RoutedEventArgs e) { AzureIoTHub.SendDeviceToCloudMessageAsync(); var message = await AzureIoTHub.ReceiveCloudToDeviceMessageAsync(); Debug.WriteLine("Message: " + message); }
private void timer_Elapsed(object sender, ElapsedEventArgs e) { Task.Run(async() => { var message = await AzureIoTHub.ReceiveCloudToDeviceMessageAsync(); }); }
public void Start() { _timer = new Timer(10 * 1000); // every 10 minutes _timer.Elapsed += new System.Timers.ElapsedEventHandler(timer_Elapsed); _timer.Start(); Task.Run(async() => { var message = await AzureIoTHub.ReceiveCloudToDeviceMessageAsync(); }); // write code here that runs when the Windows Service starts up. }
public async void listen() { while (true) { string cloudMessage = await AzureIoTHub.ReceiveCloudToDeviceMessageAsync(); System.Diagnostics.Debug.WriteLine(cloudMessage); } }
private static async void RecieveMessageFromDevice() { await AzureIoTHub.ReceiveCloudToDeviceMessageAsync(); // var tasks = new List<Task>(); // //foreach (string partition in d2cPartitions) // //{ // tasks.Add(AzureIoTHub.ReceiveCloudToDeviceMessageAsync()); //// } // Task.WaitAll(tasks.ToArray()); //await AzureIoTHub.ReceiveCloudToDeviceMessageAsync(); }
public static async void ListenForMessages() { while (true) { string str = await AzureIoTHub.ReceiveCloudToDeviceMessageAsync(); if (str == "Update") { MainPage main = new MainPage(); main.RefreshList(); } } }
/// <summary> /// Always listens for messages directly from console app /// </summary> private async Task listenForMessageFromDeviceTask() { while (true) { var msg = await AzureIoTHub.ReceiveCloudToDeviceMessageAsync(); if (msg == null) { continue; } Globals.ParseMsg(msg); } }
public async void ListenForMessages() { while (true) { string str = await AzureIoTHub.ReceiveCloudToDeviceMessageAsync(); if (str == "Update") { Debug.WriteLine("Received: " + str); RefreshList(); } Debug.WriteLine("Received: " + str); } }
public MainPage() { this.InitializeComponent(); Task.Run( async () => { while (true) { var message = await AzureIoTHub.ReceiveCloudToDeviceMessageAsync(); await CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.High, () => { test.Text += Environment.NewLine + message; }); } } ); }
// timer callbacks for temperature monitoring private async void Timer_Tick2(object sender, object e) { if (senseHat == null) { return; } // get ambient temperature from sensehat and write to log senseHat.Sensors.HumiditySensor.Update(); if (senseHat.Sensors.Temperature.HasValue) { double temp = senseHat.Sensors.Temperature.Value; ambTemp = (int)Math.Round(temp) - 10; // temperature around sensor is higher than environment writeToLog("Current ambient tempeature: " + ambTemp.ToString()); } string str = await AzureIoTHub.ReceiveCloudToDeviceMessageAsync(); if (str != null) { writeToLog("Message from Azure IoT hub: " + str); } }
//public string deviceName = "MikroKopter_BT"; // Specify the device name to be selected; You can find the device name from the webb under bluetooth public async void Run(IBackgroundTaskInstance taskInstance) { // // TODO: Insert code to perform background work // // If you start any asynchronous methods here, prevent the task // from closing prematurely by using BackgroundTaskDeferral as // described in http://aka.ms/backgroundtaskdeferral // _deferral = taskInstance.GetDeferral(); PowerManager.BatteryStatusChanged += PowerManager_BatteryStatusChanged; PowerManager.PowerSupplyStatusChanged += PowerManager_PowerSupplyStatusChanged; PowerManager.RemainingChargePercentChanged += PowerManager_RemainingChargePercentChanged; deviceId = await AzureIoTHub.TestHubConnection(false, ""); DateTime d = DateTime.UtcNow; //RateSensor bs = new RateSensor(); //bs.RateSensorInit(); //await Task.Delay(1000); //bs.RateMonitorON(); //mt = new MiotyTX(); //mt.Init(); //await Task.Delay(1000); long x = d.ToFileTime(); if (deviceId != null) { await AzureIoTHub.SendDeviceToCloudMessageAsync("{\"pkey\":\"" + deviceId + "\", \"rkey\":\"" + x.ToString() + "\",\"status\":\"Device Restarted\"}"); bool result = await AzureIoTHub.SendDeviceToCloudMessageAsync("Device Restarted"); //InitAzureIotReceiver(); } AzureIoTHub.counter++; // request access to vibration device //if (await VibrationDevice.RequestAccessAsync() != VibrationAccessStatus.Allowed) //{ // Debug.WriteLine("access to vibration device denied!!!!!!"); //} //enable this to start periodic message to iot Hub this.timer = ThreadPoolTimer.CreateTimer(Timer_Tick, TimeSpan.FromSeconds(2)); //this.fileReadTimer = ThreadPoolTimer.CreateTimer(FileReadTimer_Tick, TimeSpan.FromMilliseconds(900)); try { await Task.Run(async() => { while (true) { string receivedMessage = null; try { receivedMessage = await AzureIoTHub.ReceiveCloudToDeviceMessageAsync(); AzureIoTHub.counter++; } catch (Exception ex) { Debug.WriteLine("******ERROR RECEIVER: " + ex.Message); } if (receivedMessage == null) { continue; } Debug.WriteLine("Received message:" + receivedMessage); JsonObject j = null; try { j = JsonObject.Parse(receivedMessage); } catch { Debug.WriteLine(" error"); continue; } try { if (j.Keys.Contains("msg")) { string msg = j.GetNamedString("msg"); AzureIoTHub.counter++; MessageListItem m = new MessageListItem(); m.message = msg; AzureIoTHub.msgList.Add(m); Windows.Storage.StorageFolder storageFolder = Windows.Storage.KnownFolders.PicturesLibrary; Windows.Storage.StorageFile msgFile = await storageFolder.CreateFileAsync("message.txt", Windows.Storage.CreationCollisionOption.GenerateUniqueName); await Windows.Storage.FileIO.AppendTextAsync(msgFile, msg); } if (j.Keys.Contains("cmd")) { string cmd = j.GetNamedString("cmd"); if (cmd == "info") { await UpdateBatteryInfo(); } if (cmd == "wake") { if (ShutdownManager.IsPowerStateSupported(PowerState.ConnectedStandby)) { ShutdownManager.EnterPowerState(PowerState.ConnectedStandby, TimeSpan.FromSeconds(1)); //ShutdownManager.EnterPowerState(PowerState.SleepS3, TimeSpan.FromSeconds(15)); } } if (cmd == "vibra") { //try //{ // VibrationDevice VibrationDevice = await VibrationDevice.GetDefaultAsync(); // SimpleHapticsControllerFeedback BuzzFeedback = null; // foreach (var f in VibrationDevice.SimpleHapticsController.SupportedFeedback) // { // if (f.Waveform == KnownSimpleHapticsControllerWaveforms.BuzzContinuous) // BuzzFeedback = f; // } // if (BuzzFeedback != null) // { // VibrationDevice.SimpleHapticsController.SendHapticFeedbackForDuration(BuzzFeedback, 1, TimeSpan.FromMilliseconds(200)); // } //} //catch (Exception ex) //{ //} } } } catch (Exception ex) { } } }); } catch (Exception ex) { } // // Once the asynchronous method(s) are done, close the deferral. // //_deferral.Complete(); }
private async void ReceiveCloudToDeviceThrottleMessage() { iotHubThresholdValue = await AzureIoTHub.ReceiveCloudToDeviceMessageAsync(); ReceiveCloudToDeviceThrottleMessage(); }
private async void timerTick(object sender, object e) { this.OutAzure.Text = await AzureIoTHub.ReceiveCloudToDeviceMessageAsync(); }