_VelodynePacket.py

Go to the documentation of this file.

"""autogenerated by genpy from velodyne_msgs/VelodynePacket.msg. Do not edit."""
import sys
python3 = True if sys.hexversion > 0x03000000 else False
import genpy
import struct

import genpy

class VelodynePacket(genpy.Message):
  _md5sum = "ae4f90a23256f44e82baa08dd45c3456"
  _type = "velodyne_msgs/VelodynePacket"
  _has_header = False #flag to mark the presence of a Header object
  _full_text = """# Raw Velodyne LIDAR packet.

time stamp              # packet timestamp
uint8[1206] data        # packet contents


"""
  __slots__ = ['stamp','data']
  _slot_types = ['time','uint8[1206]']

  def __init__(self, *args, **kwds):
    """
    Constructor. Any message fields that are implicitly/explicitly
    set to None will be assigned a default value. The recommend
    use is keyword arguments as this is more robust to future message
    changes.  You cannot mix in-order arguments and keyword arguments.

    The available fields are:
       stamp,data

    :param args: complete set of field values, in .msg order
    :param kwds: use keyword arguments corresponding to message field names
    to set specific fields.
    """
    if args or kwds:
      super(VelodynePacket, self).__init__(*args, **kwds)
      #message fields cannot be None, assign default values for those that are
      if self.stamp is None:
        self.stamp = genpy.Time()
      if self.data is None:
        self.data = chr(0)*1206
    else:
      self.stamp = genpy.Time()
      self.data = chr(0)*1206

  def _get_types(self):
    """
    internal API method
    """
    return self._slot_types

  def serialize(self, buff):
    """
    serialize message into buffer
    :param buff: buffer, ``StringIO``
    """
    try:
      _x = self
      buff.write(_struct_2I.pack(_x.stamp.secs, _x.stamp.nsecs))
      _x = self.data
      # - if encoded as a list instead, serialize as bytes instead of string
      if type(_x) in [list, tuple]:
        buff.write(_struct_1206B.pack(*_x))
      else:
        buff.write(_struct_1206s.pack(_x))
    except struct.error as se: self._check_types(se)
    except TypeError as te: self._check_types(te)

  def deserialize(self, str):
    """
    unpack serialized message in str into this message instance
    :param str: byte array of serialized message, ``str``
    """
    try:
      if self.stamp is None:
        self.stamp = genpy.Time()
      end = 0
      _x = self
      start = end
      end += 8
      (_x.stamp.secs, _x.stamp.nsecs,) = _struct_2I.unpack(str[start:end])
      start = end
      end += 1206
      self.data = str[start:end]
      self.stamp.canon()
      return self
    except struct.error as e:
      raise genpy.DeserializationError(e) #most likely buffer underfill


  def serialize_numpy(self, buff, numpy):
    """
    serialize message with numpy array types into buffer
    :param buff: buffer, ``StringIO``
    :param numpy: numpy python module
    """
    try:
      _x = self
      buff.write(_struct_2I.pack(_x.stamp.secs, _x.stamp.nsecs))
      _x = self.data
      # - if encoded as a list instead, serialize as bytes instead of string
      if type(_x) in [list, tuple]:
        buff.write(_struct_1206B.pack(*_x))
      else:
        buff.write(_struct_1206s.pack(_x))
    except struct.error as se: self._check_types(se)
    except TypeError as te: self._check_types(te)

  def deserialize_numpy(self, str, numpy):
    """
    unpack serialized message in str into this message instance using numpy for array types
    :param str: byte array of serialized message, ``str``
    :param numpy: numpy python module
    """
    try:
      if self.stamp is None:
        self.stamp = genpy.Time()
      end = 0
      _x = self
      start = end
      end += 8
      (_x.stamp.secs, _x.stamp.nsecs,) = _struct_2I.unpack(str[start:end])
      start = end
      end += 1206
      self.data = str[start:end]
      self.stamp.canon()
      return self
    except struct.error as e:
      raise genpy.DeserializationError(e) #most likely buffer underfill

_struct_I = genpy.struct_I
_struct_1206B = struct.Struct("<1206B")
_struct_1206s = struct.Struct("<1206s")
_struct_2I = struct.Struct("<2I")