code: func (i *INA3221Driver) readWordFromRegister(reg uint8) (uint16, error) {
  	val, err := i.connection.ReadWordData(reg)
  	if err != nil {
  		return 0, err
  	}
  
  	return uint16(((val & 0x00FF) << 8) | ((val & 0xFF00) >> 8)), nil
  }
docs: // reads word from supplied register address