protected override async void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
_bme280 = new BuildAzure.IoT.Adafruit.BME280.BME280Sensor();
await _bme280.Initialize();
_timer = new DispatcherTimer();
_timer.Interval = TimeSpan.FromSeconds(30);
_timer.Tick += _timer_Tick;
_timer.Start();
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
var dis = await DeviceInformation.FindAllAsync(I2cDevice.GetDeviceSelector());
var i2cDevice = await I2cDevice.FromIdAsync(dis[0].Id, new I2cConnectionSettings(0x55)); // exception thro
_bme280 = new BuildAzure.IoT.Adafruit.BME280.BME280Sensor();
await _bme280.Initialize();
_timer = new DispatcherTimer();
_timer.Interval = TimeSpan.FromSeconds(5);
_timer.Tick += _timer_Tick;
_timer.Start();
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
Debug.WriteLine("OnNavigatedTo");
base.OnNavigatedTo(e);
_bme280 = new BuildAzure.IoT.Adafruit.BME280.BME280Sensor();
await _bme280.Initialize();
Debug.WriteLine("BME280Sensor is initialized");
_timer = new DispatcherTimer();
_timer.Interval = TimeSpan.FromMinutes(30);
_timer.Tick += CheckWeather;
_timer.Start();
CheckWeather(this, null);
}
private async void DeviceToCloudMessage()
{
await bME280.Initialize();
double temp = 0.00d;
float hum = 0.00f;
float press = 0.00f;
while (true)
{
temp = await bME280.ReadTemperature();
hum = await bME280.ReadHumidity();
press = await bME280.ReadPressure() / 100;
var telemetryDataPoint = new
{
messageId = messageId++,
deviceId = deviceID,
dateTime = DateTime.Now.ToString("dd/MM/yyyy HH:mm:ss"),
temperature = temp,
humidity = hum,
pressure = press
};
var messageString = JsonConvert.SerializeObject(telemetryDataPoint);
var message = new Message(Encoding.ASCII.GetBytes(messageString));
try
{
await DeviceClient.SendEventAsync(message);
Debug.WriteLine("Ended sending ");
}
catch (HttpRequestException e)
{
Debug.WriteLine("Error Message: {0}", e.InnerException.Message);
}
Debug.WriteLine("{0} > Sending message: {1}", DateTime.Now, messageString);
Task.Delay(15000).Wait();
}
}
