/// <summary>
/// Sets the power mode to the given mode
/// </summary>
/// <param name="powerMode">The <see cref="Bme680PowerMode"/> to set.</param>
/// <exception cref="ArgumentOutOfRangeException">Thrown when the power mode does not match a defined mode in <see cref="Bme680PowerMode"/>.</exception>
[Property("PowerMode")]
public void SetPowerMode(Bme680PowerMode powerMode)
{
    //if (!powerMode.Equals(Bme680PowerMode.Forced) &&
    //    !powerMode.Equals(Bme680PowerMode.Sleep))
    //{
    //   throw new ArgumentOutOfRangeException();
    //}

    var status = Read8BitsFromRegister((byte)Bme680Register.CTRL_MEAS);
    status = (byte)((status & (byte)~Bme680Mask.PWR_MODE) | (byte)powerMode);

    SpanByte command = new[]
    {
        (byte)Bme680Register.CTRL_MEAS, status
    };
    _i2cDevice.Write(command);
}

public static void RunSample()
{
    Debug.WriteLine("Hello BME680!");

    //////////////////////////////////////////////////////////////////////
    Configuration.SetPinFunction(Gpio.IO04, DeviceFunction.I2C1_DATA);
    Configuration.SetPinFunction(Gpio.IO05, DeviceFunction.I2C1_CLOCK);

    // The I2C bus ID on the MCU.
    const int busId = 1;
    // set this to the current sea level pressure in the area for correct altitude readings
    Pressure defaultSeaLevelPressure = WeatherHelper.MeanSeaLevel;

    I2cConnectionSettings i2cSettings = new(busId, Bme680.DefaultI2cAddress);
    I2cDevice i2cDevice = I2cDevice.Create(i2cSettings);

    using Bme680 bme680 = new Bme680(i2cDevice, Temperature.FromDegreesCelsius(20.0));

    while (true)
    {
        // reset will change settings back to default
        bme680.Reset();

        // 10 consecutive measurement with default settings
        for (var i = 0; i < 10; i++)
        {
            // Perform a synchronous measurement
            var readResult = bme680.Read();

            // Print out the measured data
            //Debug.WriteLine($"Gas resistance: {readResult.GasResistance.Ohms}Ohm");
            Debug.WriteLine($"Temperature: {readResult.Temperature.DegreesCelsius}\u00B0C");
            //Debug.WriteLine($"Pressure: {readResult.Pressure.Hectopascals}hPa");
            Debug.WriteLine($"Relative humidity: {readResult.Humidity.Percent}%");

            /* 
            if (!readResult.Temperature.Equals(null) && !readResult.Pressure.Equals(null))
            {
                var altValue = WeatherHelper.CalculateAltitude(readResult.Pressure, defaultSeaLevelPressure, readResult.Temperature);
                Debug.WriteLine($"Altitude: {altValue.Meters}m");
            }

            if (!readResult.Temperature.Equals(null) && !readResult.Humidity.Equals(null))
            {
                // WeatherHelper supports more calculations, such as saturated vapor pressure, actual vapor pressure and absolute humidity.
                Debug.WriteLine($"Heat index: {WeatherHelper.CalculateHeatIndex(readResult.Temperature, readResult. Humidity).DegreesCelsius}\u00B0C");
                Debug.WriteLine($"Dew point: {WeatherHelper.CalculateDewPoint(readResult.Temperature, readResult.Humidity).DegreesCelsius}\u00B0C");
            }
            */

            // when measuring the gas resistance on each cycle it is important to wait a certain interval
            // because a heating plate is activated which will heat up the sensor without sleep, this can
            // falsify all readings coming from the sensor
            Thread.Sleep(1000);
        }
...
}