parameters: (self, buff)
docstring: serialize message into buffer
      :param buff: buffer, ``StringIO``
docstring_summary: serialize message into buffer
      :param buff: buffer, ``StringIO``
docstring_tokens: serialize message into buffer : param buff : buffer StringIO
function: def serialize(self, buff):
      """
      serialize message into buffer
      :param buff: buffer, ``StringIO``
      """
      try:
        _x = self
        buff.write(_struct_4d.pack(_x.Kp, _x.Kd, _x.Kp_yaw, _x.Kd_yaw))
      except struct.error as se: self._check_types(struct.error("%s: '%s' when writing '%s'" % (type(se), str(se), str(_x))))
      except TypeError as te: self._check_types(ValueError("%s: '%s' when writing '%s'" % (type(te), str(te), str(_x))))
function_tokens: def serialize ( self , buff ) : try : _x = self buff . write ( _struct_4d . pack ( _x . Kp , _x . Kd , _x . Kp_yaw , _x . Kd_yaw ) ) except struct . error as se : self . _check_types ( struct . error ( "%s: '%s' when writing '%s'" % ( type ( se ) , str ( se ) , str ( _x ) ) ) ) except TypeError as te : self . _check_types ( ValueError ( "%s: '%s' when writing '%s'" % ( type ( te ) , str ( te ) , str ( _x ) ) ) )