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00001 """autogenerated by genmsg_py from Shifter.msg. Do not edit.""" 00002 import roslib.message 00003 import struct 00004 00005 import std_msgs.msg 00006 00007 class Shifter(roslib.message.Message): 00008 _md5sum = "dddb61d8575e01ea7857ef1b3a7b941c" 00009 _type = "art_msgs/Shifter" 00010 _has_header = True #flag to mark the presence of a Header object 00011 _full_text = """# ART shifter message 00012 # 00013 # Used to both request and report gear shifts. 00014 00015 # $Id: Shifter.msg 644 2010-09-28 03:19:07Z jack.oquin $ 00016 00017 # Our Arens Controls hardware mechanism requires holding the shift 00018 # relay on for one second before resetting it. A command node must 00019 # request the desired gear, then wait a second before sending the 00020 # Reset command. To be safe, it should check that the shift actually 00021 # occurred before continuing. 00022 00023 Header header # standard ROS message header 00024 00025 # gear numbers 00026 uint8 Reset = 0 # request reset of shifter relays 00027 uint8 Park = 1 00028 uint8 Reverse = 2 00029 uint8 Neutral = 3 00030 uint8 Drive = 4 00031 00032 uint8 gear # requested or reported gear number 00033 uint8 relays # current relay values 00034 00035 ================================================================================ 00036 MSG: std_msgs/Header 00037 # Standard metadata for higher-level stamped data types. 00038 # This is generally used to communicate timestamped data 00039 # in a particular coordinate frame. 00040 # 00041 # sequence ID: consecutively increasing ID 00042 uint32 seq 00043 #Two-integer timestamp that is expressed as: 00044 # * stamp.secs: seconds (stamp_secs) since epoch 00045 # * stamp.nsecs: nanoseconds since stamp_secs 00046 # time-handling sugar is provided by the client library 00047 time stamp 00048 #Frame this data is associated with 00049 # 0: no frame 00050 # 1: global frame 00051 string frame_id 00052 00053 """ 00054 # Pseudo-constants 00055 Reset = 0 00056 Park = 1 00057 Reverse = 2 00058 Neutral = 3 00059 Drive = 4 00060 00061 __slots__ = ['header','gear','relays'] 00062 _slot_types = ['Header','uint8','uint8'] 00063 00064 def __init__(self, *args, **kwds): 00065 """ 00066 Constructor. Any message fields that are implicitly/explicitly 00067 set to None will be assigned a default value. The recommend 00068 use is keyword arguments as this is more robust to future message 00069 changes. You cannot mix in-order arguments and keyword arguments. 00070 00071 The available fields are: 00072 header,gear,relays 00073 00074 @param args: complete set of field values, in .msg order 00075 @param kwds: use keyword arguments corresponding to message field names 00076 to set specific fields. 00077 """ 00078 if args or kwds: 00079 super(Shifter, self).__init__(*args, **kwds) 00080 #message fields cannot be None, assign default values for those that are 00081 if self.header is None: 00082 self.header = std_msgs.msg._Header.Header() 00083 if self.gear is None: 00084 self.gear = 0 00085 if self.relays is None: 00086 self.relays = 0 00087 else: 00088 self.header = std_msgs.msg._Header.Header() 00089 self.gear = 0 00090 self.relays = 0 00091 00092 def _get_types(self): 00093 """ 00094 internal API method 00095 """ 00096 return self._slot_types 00097 00098 def serialize(self, buff): 00099 """ 00100 serialize message into buffer 00101 @param buff: buffer 00102 @type buff: StringIO 00103 """ 00104 try: 00105 _x = self 00106 buff.write(_struct_3I.pack(_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs)) 00107 _x = self.header.frame_id 00108 length = len(_x) 00109 buff.write(struct.pack('<I%ss'%length, length, _x)) 00110 _x = self 00111 buff.write(_struct_2B.pack(_x.gear, _x.relays)) 00112 except struct.error as se: self._check_types(se) 00113 except TypeError as te: self._check_types(te) 00114 00115 def deserialize(self, str): 00116 """ 00117 unpack serialized message in str into this message instance 00118 @param str: byte array of serialized message 00119 @type str: str 00120 """ 00121 try: 00122 if self.header is None: 00123 self.header = std_msgs.msg._Header.Header() 00124 end = 0 00125 _x = self 00126 start = end 00127 end += 12 00128 (_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs,) = _struct_3I.unpack(str[start:end]) 00129 start = end 00130 end += 4 00131 (length,) = _struct_I.unpack(str[start:end]) 00132 start = end 00133 end += length 00134 self.header.frame_id = str[start:end] 00135 _x = self 00136 start = end 00137 end += 2 00138 (_x.gear, _x.relays,) = _struct_2B.unpack(str[start:end]) 00139 return self 00140 except struct.error as e: 00141 raise roslib.message.DeserializationError(e) #most likely buffer underfill 00142 00143 00144 def serialize_numpy(self, buff, numpy): 00145 """ 00146 serialize message with numpy array types into buffer 00147 @param buff: buffer 00148 @type buff: StringIO 00149 @param numpy: numpy python module 00150 @type numpy module 00151 """ 00152 try: 00153 _x = self 00154 buff.write(_struct_3I.pack(_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs)) 00155 _x = self.header.frame_id 00156 length = len(_x) 00157 buff.write(struct.pack('<I%ss'%length, length, _x)) 00158 _x = self 00159 buff.write(_struct_2B.pack(_x.gear, _x.relays)) 00160 except struct.error as se: self._check_types(se) 00161 except TypeError as te: self._check_types(te) 00162 00163 def deserialize_numpy(self, str, numpy): 00164 """ 00165 unpack serialized message in str into this message instance using numpy for array types 00166 @param str: byte array of serialized message 00167 @type str: str 00168 @param numpy: numpy python module 00169 @type numpy: module 00170 """ 00171 try: 00172 if self.header is None: 00173 self.header = std_msgs.msg._Header.Header() 00174 end = 0 00175 _x = self 00176 start = end 00177 end += 12 00178 (_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs,) = _struct_3I.unpack(str[start:end]) 00179 start = end 00180 end += 4 00181 (length,) = _struct_I.unpack(str[start:end]) 00182 start = end 00183 end += length 00184 self.header.frame_id = str[start:end] 00185 _x = self 00186 start = end 00187 end += 2 00188 (_x.gear, _x.relays,) = _struct_2B.unpack(str[start:end]) 00189 return self 00190 except struct.error as e: 00191 raise roslib.message.DeserializationError(e) #most likely buffer underfill 00192 00193 _struct_I = roslib.message.struct_I 00194 _struct_3I = struct.Struct("<3I") 00195 _struct_2B = struct.Struct("<2B")