public static async Task SendSenseHatDataToCloudAsync(SenseHatData data)
{
var deviceClient = DeviceClient.CreateFromConnectionString(DeviceConnectionString, TransportType.Http1);
var messageInJson = JsonConvert.SerializeObject(data);
var message = new Message(Encoding.UTF8.GetBytes(messageInJson));
await deviceClient.SendEventAsync(message);
}
private async void Timer_Tick(object sender, object e)
{
senseHat.Sensors.HumiditySensor.Update();
senseHat.Sensors.PressureSensor.Update();
//gather data
SenseHatData data = new SenseHatData();
data.Temperature = senseHat.Sensors.Temperature;
data.Humidity = senseHat.Sensors.Humidity;
data.Pressure = senseHat.Sensors.Pressure;
//send them to the cloud
await AzureIoTHub.SendSenseHatDataToCloudAsync(data);
//notify UI
TempText.Text = data.Temperature.ToString();
TempHumidity.Text = data.Humidity.ToString();
TempPressure.Text = data.Pressure.ToString();
}
private async void SendDeviceToCloudMessagesAsync()
{
Microsoft.Devices.Tpm.TpmDevice myDevice = new Microsoft.Devices.Tpm.TpmDevice(0); // Use logical device 0 on the TPM by default
string hubUri = myDevice.GetHostName();
string deviceId = myDevice.GetDeviceId();
string sasToken = myDevice.GetSASToken();
double minTemperature = 20;
double minHumidity = 60;
Random rand = new Random();
while (true)
{
try
{
//deviceClient = DeviceClient.CreateFromConnectionString(DeviceConnectionString, TransportType.Mqtt);
var deviceClientsend = DeviceClient.CreateFromConnectionString(DeviceConnectionString, TransportType.Http1);
double currentTemperature = minTemperature + rand.NextDouble() * 15;
double currentHumidity = minHumidity + rand.NextDouble() * 20;
//get a reference to SenseHat
senseHat = await SenseHatFactory.GetSenseHat();
senseHat.Sensors.ImuSensor.Update();
senseHat.Sensors.HumiditySensor.Update();
senseHat.Sensors.PressureSensor.Update();
//gather data
SenseHatData data = new SenseHatData();
data.Temperature = senseHat.Sensors.Temperature;
data.Humidity = senseHat.Sensors.Humidity;
data.Pressure = senseHat.Sensors.Pressure;
//notify UI
TempText.Text = data.Temperature.ToString();
TempHumidity.Text = data.Humidity.ToString();
TempPressure.Text = data.Pressure.ToString();
if (senseHat.Sensors.Acceleration.HasValue)
{
Acceleration al = new Acceleration();
al.X = senseHat.Sensors.Acceleration.Value.X;
al.Y = senseHat.Sensors.Acceleration.Value.Y;
al.Z = senseHat.Sensors.Acceleration.Value.Z;
TempAcceleration.Text = " X= " + al.X.ToString() + " Y= " + al.Y.ToString() + " Z= " + al.Z.ToString();
data.Acceleration = al;
}
if (senseHat.Sensors.Gyro.HasValue)
{
Gyro gy = new Gyro();
gy.X = senseHat.Sensors.Gyro.Value.X;
gy.Y = senseHat.Sensors.Gyro.Value.Y;
gy.Z = senseHat.Sensors.Gyro.Value.Z;
TempGyro.Text = " X= " + gy.X.ToString() + " Y= " + gy.Y.ToString() + " Z= " + gy.Z.ToString();
data.Gyro = gy;
}
if (senseHat.Sensors.Pose.HasValue)
{
Pose po = new Pose();
po.X = senseHat.Sensors.Pose.Value.X;
po.Y = senseHat.Sensors.Pose.Value.Y;
po.Z = senseHat.Sensors.Pose.Value.Z;
TempPose.Text = " X= " + po.X.ToString() + " Y= " + po.Y.ToString() + " Z= " + po.Z.ToString();
data.po = po;
}
if (senseHat.Sensors.MagneticField.HasValue)
{
MagneticField mf = new MagneticField();
mf.X = senseHat.Sensors.MagneticField.Value.X;
mf.Y = senseHat.Sensors.MagneticField.Value.Y;
mf.Z = senseHat.Sensors.MagneticField.Value.Z;
TempMagneticField.Text = " X= " + mf.X.ToString() + " Y= " + mf.Y.ToString() + " Z= " + mf.Z.ToString();
data.mf = mf;
}
data.deviceID = deviceId;
//send them to the cloud
//await AzureIoTHub.SendSenseHatDataToCloudAsync(data);
var messageString = JsonConvert.SerializeObject(data);
string levelValue;
//if (rand.NextDouble() > 0.7)
//{
// messageString = "This is a critical message";
// levelValue = "critical";
//}
//else
//{
// levelValue = "normal";
//}
levelValue = "normal";
var message = new Message(Encoding.ASCII.GetBytes(messageString));
message.Properties.Add("level", levelValue);
if (deviceClientsend == null)
{
deviceClientsend = DeviceClient.CreateFromConnectionString(DeviceConnectionString, TransportType.Mqtt);
}
await deviceClientsend.SendEventAsync(message);
//Console.WriteLine("{0} > Sent message: {1}", DateTime.Now, messageString);
//string _scrollText = "Hello Pi 3";
////now update the Sensor HAT UI
//// Create the font from the image.
//MultiColorFont font = MultiColorFont.LoadFromImage(
// new Uri("ms-appx:///Assets/ColorFont.png"),
// " ABCDEFGHIJKLMNOPQRSTUVWXYZÅÄÖÉÜabcdefghijklmnopqrstuvwxyzåäöéü0123456789.,?!\"#$%&-+*:;/\\<>()'`=",
// Color.FromArgb(0xFF, 0xFF, 0x00, 0xFF)).Result;
//// Get the characters to scroll.
//IEnumerable<MultiColorCharacter> characters = font.GetChars(_scrollText);
//// Choose a background color (or draw your own more complex background!)
//Color backgroundColor = Color.FromArgb(0xFF, 0x00, 0x20, 0x00);
//// Create the character renderer.
//var characterRenderer = new MultiColorCharacterRenderer();
//// Create the text scroller.
//var textScroller = new TextScroller<MultiColorCharacter>(
// senseHat.Display,
// characterRenderer,
// characters);
//// Clear the display.
//senseHat.Display.Fill(backgroundColor);
//// Draw the scroll text.
//textScroller.Render();
//// Update the physical display.
//senseHat.Display.Update();
connectionstatus.Text = "Connected " + DateTime.Now.ToString();
}
catch (Exception ex)
{
Debug.WriteLine("Error in sample SendDeviceToCloudMessagesAsync: {0}", ex.Message);
}
await Task.Delay(30000);
}
}