/// <summary>
/// This is the tick handler for the Refresh timer.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void RefreshTimer_Tick(object sender, object e)
{
// Keeps checking until we have GPS coordinates locked, upon which we will update the device info with IoT Hub
if (latitude == 0 || longitude == 0)
{
GetGeolocation();
}
if ((latitude > 0 || longitude > 0) && !IsDeviceInfoUpdated && !String.IsNullOrEmpty(FWVersion) && !String.IsNullOrEmpty(HWVersion))
{
IoTHubHttpServiceManager.UpdateDeviceInfo(latitude, longitude, FWVersion, HWVersion);
IsDeviceInfoUpdated = true;
}
}
private async void StartButton_Click(object sender, RoutedEventArgs e)
{
string action = this.viewModel.ButtonContent;
// Change UI captions
if (action.Equals("Start"))
{
this.viewModel.ButtonContent = "Stop";
this.viewModel.StatusMessage = "Searching for Band....";
}
else
{
if (bandClient != null)
{
await bandClient.SensorManager.HeartRate.StopReadingsAsync();
await bandClient.SensorManager.SkinTemperature.StopReadingsAsync();
await bandClient.SensorManager.Calories.StopReadingsAsync();
await bandClient.SensorManager.Distance.StopReadingsAsync();
await bandClient.SensorManager.Pedometer.StopReadingsAsync();
if (bandClient.SensorManager.Barometer != null)
{
await bandClient.SensorManager.Barometer.StopReadingsAsync();
}
if (bandClient.SensorManager.Gsr != null)
{
await bandClient.SensorManager.Gsr.StopReadingsAsync();
}
if (bandClient.SensorManager.AmbientLight != null)
{
await bandClient.SensorManager.AmbientLight.StopReadingsAsync();
}
if (bandClient.SensorManager.Altimeter != null)
{
await bandClient.SensorManager.Altimeter.StopReadingsAsync();
}
}
this.viewModel.ButtonContent = "Start";
this.viewModel.StatusMessage = string.Format("Done. {0} Microsoft Band telemetry were ingested.", samplesReceived);
return;
}
if (IoTHubHttpServiceManager == null)
{
IoTHubHttpServiceManager = new IoTHubHttpServiceManager(AppSettings.IoTHubHostName, AppSettings.DeviceID, AppSettings.DeviceKey);
}
try
{
var bandClientManager = BandClientManager.Instance;
// query the service for paired devices
var pairedBands = await bandClientManager.GetPairedBandsAsync();
// connect to the first device
var bandInfo = pairedBands.FirstOrDefault();
if (bandInfo == null)
{
this.viewModel.StatusMessage = "This sample app requires a Microsoft Band paired to your device. Also make sure that you have the latest firmware installed on your Band, as provided by the latest Microsoft Health app.";
return;
}
bandClient = await bandClientManager.ConnectAsync(bandInfo);
// do work after successful connect
ConnectedBandName = bandInfo.Name;
this.viewModel.StatusMessage = "Connected: " + ConnectedBandName;
FWVersion = await bandClient.GetFirmwareVersionAsync();
HWVersion = await bandClient.GetHardwareVersionAsync();
bool heartRateConsentGranted = false;
// check current user heart rate consent
if (bandClient.SensorManager.HeartRate.UserConsented == UserConsent.Unspecified)
{
// user hasn’t consented, request consent
await bandClient.SensorManager.HeartRate.RequestUserConsent();
}
if (!heartRateConsentGranted)
{
this.viewModel.StatusMessage = "Access to the heart rate sensor is denied.";
return;
}
// Subscribe to HeartRate data.
bandClient.SensorManager.HeartRate.ReadingChanged += HeartRate_ReadingChanged;
await bandClient.SensorManager.HeartRate.StartReadingsAsync();
// hook up to the Skin temperature sensor ReadingChanged event
bandClient.SensorManager.SkinTemperature.ReadingChanged += SkinTemperature_ReadingChanged;
await bandClient.SensorManager.SkinTemperature.StartReadingsAsync();
// hook up to the Distance sensor ReadingChanged event
bandClient.SensorManager.Distance.ReadingChanged += Distance_ReadingChanged;
await bandClient.SensorManager.Distance.StartReadingsAsync();
// hook up to the Calories sensor ReadingChanged event
bandClient.SensorManager.Calories.ReadingChanged += Calories_ReadingChanged;
await bandClient.SensorManager.Calories.StartReadingsAsync();
// Subscribe to Altimeter data.
bandClient.SensorManager.Pedometer.ReadingChanged += Pedometer_ReadingChanged;
await bandClient.SensorManager.Pedometer.StartReadingsAsync();
if (bandClient.SensorManager.Barometer != null)
{
// Subscribe to Barometer data. - (Microsoft Band 2 only) Provides the current raw air pressure in hPa (hectopascals) and raw temperature in degrees Celsius.
bandClient.SensorManager.Barometer.ReadingChanged += Barometer_ReadingChanged;
await bandClient.SensorManager.Barometer.StartReadingsAsync();
}
else
{
this.viewModel.AirPressure = "Band2 only";
}
if (bandClient.SensorManager.Gsr != null)
{
// Subscribe to Galvanic Skin Response. - (Microsoft Band 2 only) Provides the current skin resistance of the wearer in kohms.
bandClient.SensorManager.Gsr.ReadingChanged += Gsr_ReadingChanged;
await bandClient.SensorManager.Gsr.StartReadingsAsync();
}
else
{
this.viewModel.GsrResistance = "Band2 only";
}
if (bandClient.SensorManager.AmbientLight != null)
{
// Subscribe to Ambient Light - (Microsoft Band 2 only) Provides the current light intensity (illuminance) in lux (Lumes per sq. meter).
bandClient.SensorManager.AmbientLight.ReadingChanged += AmbientLight_ReadingChanged;
await bandClient.SensorManager.AmbientLight.StartReadingsAsync();
}
else
{
this.viewModel.Brightness = "Band2 only";
}
if (bandClient.SensorManager.Altimeter != null)
{
// Subscribe to Altimeter - (Microsoft Band 2 only) Provides current elevation data like total gain/loss, steps ascended/descended, flights ascended/descended, and elevation rate.
bandClient.SensorManager.Altimeter.ReadingChanged += Altimeter_ReadingChanged;
await bandClient.SensorManager.Altimeter.StartReadingsAsync();
}
else
{
this.viewModel.AltimeterRate = "Band2 only";
}
//Receive HeartRate data for a duration picked by the user, then stop the subscription.
int ingestDuration = 0;
switch (this.viewModel.IngestDuration)
{
case 0:
ingestDuration = 1;
break;
case 1:
ingestDuration = 5;
break;
case 2:
ingestDuration = 10;
break;
case 3:
ingestDuration = 15;
break;
default:
ingestDuration = 1;
break;
}
await Task.Delay(TimeSpan.FromMinutes(ingestDuration));
await bandClient.SensorManager.HeartRate.StopReadingsAsync();
await bandClient.SensorManager.SkinTemperature.StopReadingsAsync();
await bandClient.SensorManager.Calories.StopReadingsAsync();
await bandClient.SensorManager.Distance.StopReadingsAsync();
await bandClient.SensorManager.Pedometer.StopReadingsAsync();
if (bandClient.SensorManager.Barometer != null)
{
await bandClient.SensorManager.Barometer.StopReadingsAsync();
}
if (bandClient.SensorManager.Gsr != null)
{
await bandClient.SensorManager.Gsr.StopReadingsAsync();
}
if (bandClient.SensorManager.AmbientLight != null)
{
await bandClient.SensorManager.AmbientLight.StopReadingsAsync();
}
if (bandClient.SensorManager.Altimeter != null)
{
await bandClient.SensorManager.Altimeter.StopReadingsAsync();
}
this.viewModel.ButtonContent = "Start";
this.viewModel.StatusMessage = string.Format("Done. {0} Microsoft Band telemetry were ingested.", samplesReceived);
return;
}
catch (Exception ex)
{
// handle a Band connection exception }
System.Diagnostics.Debug.WriteLine(DateTime.Now.ToString("[hh:ss.fff]") + " " + ex.ToString());
this.viewModel.StatusMessage = "Error: Unable to communicate with Microsoft Band.";
}
return;
}