code: func (d *BMP280Driver) Pressure() (press float32, err error) {
  	var rawT, rawP int32
  	if rawT, err = d.rawTemp(); err != nil {
  		return 0.0, err
  	}
  
  	if rawP, err = d.rawPressure(); err != nil {
  		return 0.0, err
  	}
  	_, tFine := d.calculateTemp(rawT)
  	return d.calculatePress(rawP, tFine), nil
  }
docs: // Pressure returns the current barometric pressure, in Pa