_Shifter.py
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00001 """autogenerated by genpy from art_msgs/Shifter.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 Shifter(genpy.Message):
00010   _md5sum = "dddb61d8575e01ea7857ef1b3a7b941c"
00011   _type = "art_msgs/Shifter"
00012   _has_header = True #flag to mark the presence of a Header object
00013   _full_text = """# ART shifter message
00014 #
00015 # Used to both request and report gear shifts.
00016 
00017 # $Id: Shifter.msg 644 2010-09-28 03:19:07Z jack.oquin $
00018 
00019 # Our Arens Controls hardware mechanism requires holding the shift
00020 # relay on for one second before resetting it.  A command node must
00021 # request the desired gear, then wait a second before sending the
00022 # Reset command.  To be safe, it should check that the shift actually
00023 # occurred before continuing.
00024 
00025 Header  header          # standard ROS message header
00026 
00027 # gear numbers
00028 uint8 Reset = 0         # request reset of shifter relays
00029 uint8 Park = 1
00030 uint8 Reverse = 2
00031 uint8 Neutral = 3
00032 uint8 Drive = 4
00033 
00034 uint8 gear              # requested or reported gear number
00035 uint8 relays            # current relay values
00036 
00037 ================================================================================
00038 MSG: std_msgs/Header
00039 # Standard metadata for higher-level stamped data types.
00040 # This is generally used to communicate timestamped data 
00041 # in a particular coordinate frame.
00042 # 
00043 # sequence ID: consecutively increasing ID 
00044 uint32 seq
00045 #Two-integer timestamp that is expressed as:
00046 # * stamp.secs: seconds (stamp_secs) since epoch
00047 # * stamp.nsecs: nanoseconds since stamp_secs
00048 # time-handling sugar is provided by the client library
00049 time stamp
00050 #Frame this data is associated with
00051 # 0: no frame
00052 # 1: global frame
00053 string frame_id
00054 
00055 """
00056   # Pseudo-constants
00057   Reset = 0
00058   Park = 1
00059   Reverse = 2
00060   Neutral = 3
00061   Drive = 4
00062 
00063   __slots__ = ['header','gear','relays']
00064   _slot_types = ['std_msgs/Header','uint8','uint8']
00065 
00066   def __init__(self, *args, **kwds):
00067     """
00068     Constructor. Any message fields that are implicitly/explicitly
00069     set to None will be assigned a default value. The recommend
00070     use is keyword arguments as this is more robust to future message
00071     changes.  You cannot mix in-order arguments and keyword arguments.
00072 
00073     The available fields are:
00074        header,gear,relays
00075 
00076     :param args: complete set of field values, in .msg order
00077     :param kwds: use keyword arguments corresponding to message field names
00078     to set specific fields.
00079     """
00080     if args or kwds:
00081       super(Shifter, self).__init__(*args, **kwds)
00082       #message fields cannot be None, assign default values for those that are
00083       if self.header is None:
00084         self.header = std_msgs.msg.Header()
00085       if self.gear is None:
00086         self.gear = 0
00087       if self.relays is None:
00088         self.relays = 0
00089     else:
00090       self.header = std_msgs.msg.Header()
00091       self.gear = 0
00092       self.relays = 0
00093 
00094   def _get_types(self):
00095     """
00096     internal API method
00097     """
00098     return self._slot_types
00099 
00100   def serialize(self, buff):
00101     """
00102     serialize message into buffer
00103     :param buff: buffer, ``StringIO``
00104     """
00105     try:
00106       _x = self
00107       buff.write(_struct_3I.pack(_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs))
00108       _x = self.header.frame_id
00109       length = len(_x)
00110       if python3 or type(_x) == unicode:
00111         _x = _x.encode('utf-8')
00112         length = len(_x)
00113       buff.write(struct.pack('<I%ss'%length, length, _x))
00114       _x = self
00115       buff.write(_struct_2B.pack(_x.gear, _x.relays))
00116     except struct.error as se: self._check_types(se)
00117     except TypeError as te: self._check_types(te)
00118 
00119   def deserialize(self, str):
00120     """
00121     unpack serialized message in str into this message instance
00122     :param str: byte array of serialized message, ``str``
00123     """
00124     try:
00125       if self.header is None:
00126         self.header = std_msgs.msg.Header()
00127       end = 0
00128       _x = self
00129       start = end
00130       end += 12
00131       (_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs,) = _struct_3I.unpack(str[start:end])
00132       start = end
00133       end += 4
00134       (length,) = _struct_I.unpack(str[start:end])
00135       start = end
00136       end += length
00137       if python3:
00138         self.header.frame_id = str[start:end].decode('utf-8')
00139       else:
00140         self.header.frame_id = str[start:end]
00141       _x = self
00142       start = end
00143       end += 2
00144       (_x.gear, _x.relays,) = _struct_2B.unpack(str[start:end])
00145       return self
00146     except struct.error as e:
00147       raise genpy.DeserializationError(e) #most likely buffer underfill
00148 
00149 
00150   def serialize_numpy(self, buff, numpy):
00151     """
00152     serialize message with numpy array types into buffer
00153     :param buff: buffer, ``StringIO``
00154     :param numpy: numpy python module
00155     """
00156     try:
00157       _x = self
00158       buff.write(_struct_3I.pack(_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs))
00159       _x = self.header.frame_id
00160       length = len(_x)
00161       if python3 or type(_x) == unicode:
00162         _x = _x.encode('utf-8')
00163         length = len(_x)
00164       buff.write(struct.pack('<I%ss'%length, length, _x))
00165       _x = self
00166       buff.write(_struct_2B.pack(_x.gear, _x.relays))
00167     except struct.error as se: self._check_types(se)
00168     except TypeError as te: self._check_types(te)
00169 
00170   def deserialize_numpy(self, str, numpy):
00171     """
00172     unpack serialized message in str into this message instance using numpy for array types
00173     :param str: byte array of serialized message, ``str``
00174     :param numpy: numpy python module
00175     """
00176     try:
00177       if self.header is None:
00178         self.header = std_msgs.msg.Header()
00179       end = 0
00180       _x = self
00181       start = end
00182       end += 12
00183       (_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs,) = _struct_3I.unpack(str[start:end])
00184       start = end
00185       end += 4
00186       (length,) = _struct_I.unpack(str[start:end])
00187       start = end
00188       end += length
00189       if python3:
00190         self.header.frame_id = str[start:end].decode('utf-8')
00191       else:
00192         self.header.frame_id = str[start:end]
00193       _x = self
00194       start = end
00195       end += 2
00196       (_x.gear, _x.relays,) = _struct_2B.unpack(str[start:end])
00197       return self
00198     except struct.error as e:
00199       raise genpy.DeserializationError(e) #most likely buffer underfill
00200 
00201 _struct_I = genpy.struct_I
00202 _struct_3I = struct.Struct("<3I")
00203 _struct_2B = struct.Struct("<2B")
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art_msgs
Author(s): Jack O'Quin
autogenerated on Tue Sep 24 2013 10:40:45