private void ReadData()
 {
     try
     {
         float  temp  = _bmp180.ReadTemperature();
         float  press = _bmp180.ReadPressure();
         double alt   = _bmp180.ReadAltitude();
         Log.Debug("Test", "loop: temp " + temp + " alt: " + alt + " press: " + press);
     }
     catch (IOException e)
     {
         Log.Error("Test", "Sensor loop  error : ", e);
     }
 }