_DifferentialSpeed.py
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00001 """autogenerated by genpy from clearpath_base/DifferentialSpeed.msg. Do not edit."""
00002 import sys
00003 python3 = True if sys.hexversion > 0x03000000 else False
00004 import genpy
00005 import struct
00006 
00007 import std_msgs.msg
00008 
00009 class DifferentialSpeed(genpy.Message):
00010   _md5sum = "4b62e763320bacb9c7f63f6ebd46ceba"
00011   _type = "clearpath_base/DifferentialSpeed"
00012   _has_header = True #flag to mark the presence of a Header object
00013   _full_text = """Header header
00014 float64 left_speed
00015 float64 right_speed
00016 float64 left_accel
00017 float64 right_accel
00018 
00019 ================================================================================
00020 MSG: std_msgs/Header
00021 # Standard metadata for higher-level stamped data types.
00022 # This is generally used to communicate timestamped data 
00023 # in a particular coordinate frame.
00024 # 
00025 # sequence ID: consecutively increasing ID 
00026 uint32 seq
00027 #Two-integer timestamp that is expressed as:
00028 # * stamp.secs: seconds (stamp_secs) since epoch
00029 # * stamp.nsecs: nanoseconds since stamp_secs
00030 # time-handling sugar is provided by the client library
00031 time stamp
00032 #Frame this data is associated with
00033 # 0: no frame
00034 # 1: global frame
00035 string frame_id
00036 
00037 """
00038   __slots__ = ['header','left_speed','right_speed','left_accel','right_accel']
00039   _slot_types = ['std_msgs/Header','float64','float64','float64','float64']
00040 
00041   def __init__(self, *args, **kwds):
00042     """
00043     Constructor. Any message fields that are implicitly/explicitly
00044     set to None will be assigned a default value. The recommend
00045     use is keyword arguments as this is more robust to future message
00046     changes.  You cannot mix in-order arguments and keyword arguments.
00047 
00048     The available fields are:
00049        header,left_speed,right_speed,left_accel,right_accel
00050 
00051     :param args: complete set of field values, in .msg order
00052     :param kwds: use keyword arguments corresponding to message field names
00053     to set specific fields.
00054     """
00055     if args or kwds:
00056       super(DifferentialSpeed, self).__init__(*args, **kwds)
00057       #message fields cannot be None, assign default values for those that are
00058       if self.header is None:
00059         self.header = std_msgs.msg.Header()
00060       if self.left_speed is None:
00061         self.left_speed = 0.
00062       if self.right_speed is None:
00063         self.right_speed = 0.
00064       if self.left_accel is None:
00065         self.left_accel = 0.
00066       if self.right_accel is None:
00067         self.right_accel = 0.
00068     else:
00069       self.header = std_msgs.msg.Header()
00070       self.left_speed = 0.
00071       self.right_speed = 0.
00072       self.left_accel = 0.
00073       self.right_accel = 0.
00074 
00075   def _get_types(self):
00076     """
00077     internal API method
00078     """
00079     return self._slot_types
00080 
00081   def serialize(self, buff):
00082     """
00083     serialize message into buffer
00084     :param buff: buffer, ``StringIO``
00085     """
00086     try:
00087       _x = self
00088       buff.write(_struct_3I.pack(_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs))
00089       _x = self.header.frame_id
00090       length = len(_x)
00091       if python3 or type(_x) == unicode:
00092         _x = _x.encode('utf-8')
00093         length = len(_x)
00094       buff.write(struct.pack('<I%ss'%length, length, _x))
00095       _x = self
00096       buff.write(_struct_4d.pack(_x.left_speed, _x.right_speed, _x.left_accel, _x.right_accel))
00097     except struct.error as se: self._check_types(struct.error("%s: '%s' when writing '%s'" % (type(se), str(se), str(_x))))
00098     except TypeError as te: self._check_types(ValueError("%s: '%s' when writing '%s'" % (type(te), str(te), str(_x))))
00099 
00100   def deserialize(self, str):
00101     """
00102     unpack serialized message in str into this message instance
00103     :param str: byte array of serialized message, ``str``
00104     """
00105     try:
00106       if self.header is None:
00107         self.header = std_msgs.msg.Header()
00108       end = 0
00109       _x = self
00110       start = end
00111       end += 12
00112       (_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs,) = _struct_3I.unpack(str[start:end])
00113       start = end
00114       end += 4
00115       (length,) = _struct_I.unpack(str[start:end])
00116       start = end
00117       end += length
00118       if python3:
00119         self.header.frame_id = str[start:end].decode('utf-8')
00120       else:
00121         self.header.frame_id = str[start:end]
00122       _x = self
00123       start = end
00124       end += 32
00125       (_x.left_speed, _x.right_speed, _x.left_accel, _x.right_accel,) = _struct_4d.unpack(str[start:end])
00126       return self
00127     except struct.error as e:
00128       raise genpy.DeserializationError(e) #most likely buffer underfill
00129 
00130 
00131   def serialize_numpy(self, buff, numpy):
00132     """
00133     serialize message with numpy array types into buffer
00134     :param buff: buffer, ``StringIO``
00135     :param numpy: numpy python module
00136     """
00137     try:
00138       _x = self
00139       buff.write(_struct_3I.pack(_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs))
00140       _x = self.header.frame_id
00141       length = len(_x)
00142       if python3 or type(_x) == unicode:
00143         _x = _x.encode('utf-8')
00144         length = len(_x)
00145       buff.write(struct.pack('<I%ss'%length, length, _x))
00146       _x = self
00147       buff.write(_struct_4d.pack(_x.left_speed, _x.right_speed, _x.left_accel, _x.right_accel))
00148     except struct.error as se: self._check_types(struct.error("%s: '%s' when writing '%s'" % (type(se), str(se), str(_x))))
00149     except TypeError as te: self._check_types(ValueError("%s: '%s' when writing '%s'" % (type(te), str(te), str(_x))))
00150 
00151   def deserialize_numpy(self, str, numpy):
00152     """
00153     unpack serialized message in str into this message instance using numpy for array types
00154     :param str: byte array of serialized message, ``str``
00155     :param numpy: numpy python module
00156     """
00157     try:
00158       if self.header is None:
00159         self.header = std_msgs.msg.Header()
00160       end = 0
00161       _x = self
00162       start = end
00163       end += 12
00164       (_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs,) = _struct_3I.unpack(str[start:end])
00165       start = end
00166       end += 4
00167       (length,) = _struct_I.unpack(str[start:end])
00168       start = end
00169       end += length
00170       if python3:
00171         self.header.frame_id = str[start:end].decode('utf-8')
00172       else:
00173         self.header.frame_id = str[start:end]
00174       _x = self
00175       start = end
00176       end += 32
00177       (_x.left_speed, _x.right_speed, _x.left_accel, _x.right_accel,) = _struct_4d.unpack(str[start:end])
00178       return self
00179     except struct.error as e:
00180       raise genpy.DeserializationError(e) #most likely buffer underfill
00181 
00182 _struct_I = genpy.struct_I
00183 _struct_3I = struct.Struct("<3I")
00184 _struct_4d = struct.Struct("<4d")


clearpath_base
Author(s): Mike Purvis
autogenerated on Sun Oct 5 2014 22:52:07