/// <summary> /// Gets the altitude. /// </summary> /// <param name="connection">The BMP085 connection.</param> /// <param name="sealevelPressure">The sealevel pressure.</param> /// <returns>The altitude.</returns> public static Length GetAltitude(this Bmp085Device connection, UnitsNet.Pressure sealevelPressure) { var pressure = connection.GetPressure(); return(Length.FromMeters(44330 * (1.0 - Math.Pow(pressure.Pascals / sealevelPressure.Pascals, 1 / 5.255)))); }
/// <summary> /// Gets the sea-level pressure. /// </summary> /// <param name="connection">The BMP085 connection.</param> /// <param name="currentAltitude">The current altitude.</param> /// <returns>The pressure.</returns> public static UnitsNet.Pressure GetSealevelPressure(this Bmp085Device connection, Length currentAltitude) { var pressure = connection.GetPressure(); return(UnitsNet.Pressure.FromPascals(pressure.Pascals / Math.Pow(1.0 - (currentAltitude.Meters / 44330), 5.255))); }