def OnClicktopicpub(self, event):
        if self.client.is_connected:
            strpubname = str(self.m_texttopicpubname.GetValue())
            strpubmessagetype = str(self.m_texttopicpubmessagetype.GetValue())
            strpubmessage = str(self.m_texttopicpubmessage.GetValue())
            dictpub = ''
            try:
                dictpub = eval(strpubmessage)
            except Exception as e:
                if self.timer_publish.IsRunning():
                    self.timer_publish.Stop()
                    self.m_checkBox_auto.SetValue(False)
                dlg = wx.MessageDialog(None, '消息格式错误,请检查是否为json格式', '消息格式错误',
                                       wx.OK)
                if dlg.ShowModal() == wx.ID_OK:
                    pass
                else:
                    pass
                dlg.Destroy()
            if strpubname is not '':
                if strpubmessagetype is not '':
                    if self.topic_pub is None:
                        self.topic_pub = roslibpy.Topic(
                            self.client, strpubname, strpubmessagetype)
                        self.topic_pub.publish(roslibpy.Message(dictpub))
                    else:
                        if self.topic_pub.name is not strpubname:
                            if self.topic_pub.is_advertised:
                                self.topic_pub.unadvertise()

                        self.topic_pub = roslibpy.Topic(
                            self.client, strpubname, strpubmessagetype)
                        self.topic_pub.publish(roslibpy.Message(dictpub))
Example #2
0
	async def setup_rosbridge(self) :

		# connect to rosbridge
		self.rosbridge_client = roslibpy.Ros(host=self.rosbridge_address, port=self.rosbridge_port)
		await self.attempt(self.rosbridge_client.run, check=(lambda x : self.rosbridge_client.is_connected), sync=True, timeout=1)

		# create client for frame service
		self.frame_service = roslibpy.Service(self.rosbridge_client, self.frame_req_service_name, self.frame_req_msg_type)

		# subscribe to frame topic
		self.frame_subscriber = roslibpy.Topic(self.rosbridge_client, self.frame_resp_topic_name, self.frame_resp_msg_type)
		self.frame_subscriber.subscribe(lambda msg: self.subscriber_callback(msg))

		# setup publisher for storage goal topic
		self.storage_publisher = roslibpy.Topic(self.rosbridge_client, self.storage_req_topic_name, self.storage_req_msg_type)
		self.storage_publisher.advertise()

		# subscribe to storage result topic
		self.storage_subscriber = roslibpy.Topic(self.rosbridge_client, self.storage_resp_topic_name, self.storage_resp_msg_type)
		self.storage_subscriber.subscribe(lambda msg: self.subscriber_callback(msg))

		# setup publisher for registration goal topic
		self.registration_publisher = roslibpy.Topic(self.rosbridge_client, self.registration_req_topic_name, self.registration_req_msg_type)
		self.registration_publisher.advertise()

		# subscribe to registration result topic
		self.registration_subscriber = roslibpy.Topic(self.rosbridge_client, self.registration_resp_topic_name, self.registration_resp_msg_type)
		self.registration_subscriber.subscribe(lambda msg: self.subscriber_callback(msg))
Example #3
0
    def __init__(self):
        # base robot ip and port
        self.__base_port = rospy.get_param('~base_port', 9090)
        self.__base_ip = rospy.get_param('~base_address', 'scout-mini-02.local')

        # robot name, each robot should have different name
        self.__robot_name = rospy.get_param('~robot_name', 'scout-mini-02')
        self.__robot_frame_id = rospy.get_param('~robot_frame_id', 'base_footprint')

        self.__load_swarm_trans()
        self.__current_command = 'dismiss'

        self.__tf_listener = tf.TransformListener()

        self.__ros_client = roslibpy.Ros(self.__base_ip, self.__base_port)

        self.__joy_command = roslibpy.Topic(self.__ros_client, 'yocs_cmd_vel_mux/input/joy_cmd', 'geometry_msgs/Twist')
        self.__swarm_command = roslibpy.Topic(self.__ros_client, 'swarm_command', 'swarm_msgs/SwarmCommand')
        self.__swarm_heartbeat = roslibpy.Topic(self.__ros_client, 'swarm_hearbeat', 'swarm_msgs/SwarmHeartbeat')

        # self.__move_base_pub = rospy.Publisher('swarm_goal', PoseStamped, queue_size=30)
        self.__move_base_pub = rospy.Publisher('move_base_simple/goal', PoseStamped, queue_size=30)

        self.__cmd_pub = rospy.Publisher('yocs_cmd_vel_mux/input/navigation_cmd', Twist, queue_size=30)
        # self.__cmd_pub = rospy.Publisher('test_cmd', Twist, queue_size=30)

        self.__target_pose = PoseStamped()
        self.__swarm_base_pose = Pose()

        self.__ros_client.on_ready(self.__start_sending, run_in_thread=True)
        self.__ros_client.on_ready(self.__start_receiving, run_in_thread=True)

        self.__ros_client.run()

        rospy.loginfo('Swarm client started')
Example #4
0
def get_params():
    print("ROS connected:", ros.is_connected)
    robot_id_param = roslibpy.Param(ros, "/QTCStatePublisherNode/robot_id")

    global robot_id
    global qtcTopic
    global sitTopic
    global rejection_KL_thresh

    robot_id = robot_id_param.get()
    print(str(robot_id))

    rejection_thresh_param = roslibpy.Param(
        ros, "/robot" + str(robot_id) + "/qsr/situation_rejection_threshold")
    rejection_KL_thresh = rejection_thresh_param.get()

    qtcTopic = roslibpy.Topic(ros, "/robot" + str(robot_id) + "/qsr/qtc_state",
                              "std_msgs/String")
    sitTopic = roslibpy.Topic(
        ros, "/robot" + str(robot_id) + "/qsr/situation_predictions",
        "std_msgs/String")

    print(qtcTopic.name)
    print(sitTopic.name)

    # Current and recent human and then robot positions and angles:
    # [xh0, yh0, hh0, xh1, yh1, hh1, xr0, yr0, hr0, xr1, yr1, hr1]
    qtcTopic.subscribe(lambda message: qtc_update_callback(message))
Example #5
0
    def start_ros_topics(self):
        print("Starting ROS Topics2")
        # subscribers
        self.subscribers = []
        # this is a dict containing the district assignments, histograms, and metrics
        # this is published every time that a fiducial moves
        sub_designs_topic = roslibpy.Topic(self.ros, '/evaluated_designs',
                                           'std_msgs/String')
        sub_designs_topic.subscribe(self.handle_evaluated_designs)

        self.subscribers.append(sub_designs_topic)

        # # this contains block locations and is fired when fiducials move
        # sub_blocks_topic = roslibpy.Topic(
        #     self.ros, '/blocks', 'std_msgs/String')
        # sub_blocks_topic.subscribe(
        #     self.handle_blocks)

        # self.subscribers.append(sub_blocks_topic)

        # this contains messages about the focus. only triggered when the focus block moves
        sub_tuio_topic = roslibpy.Topic(self.ros, '/tuio_control',
                                        'std_msgs/String')
        sub_tuio_topic.subscribe(self.handle_tuio_control)

        self.subscribers.append(sub_tuio_topic)
        #logging.info('Started ros-bridge publishers')

        # publisher to move the focus
        self.pub_focus_action_topic = roslibpy.Topic(self.ros, '/focus_action',
                                                     'std_msgs/Int8')
        self.pub_focus_action_topic.advertise()

        print("running")
Example #6
0
    def __init__(self, ros, namespace='/rob1'):
        """Initialize a new robot client instance.

        Parameters
        ----------
        ros : :class:`RosClient`
            Instance of a ROS connection.
        namespace : :obj:`str`
            Namespace to allow multiple robots to be controlled through the same ROS instance.
            Optional. If not specified, it will use namespace ``/rob1``.
        """
        self.ros = ros
        self.counter = SequenceCounter()
        if not namespace.endswith('/'):
            namespace += '/'
        self._version_checked = False
        self._server_protocol_check = dict(event=threading.Event(),
                                           param=roslibpy.Param(
                                               ros,
                                               namespace + 'protocol_version'),
                                           version=None)
        self.ros.on_ready(self.version_check)
        self.topic = roslibpy.Topic(ros,
                                    namespace + 'robot_command',
                                    'compas_rrc_driver/RobotMessage',
                                    queue_size=None)
        self.feedback = roslibpy.Topic(ros,
                                       namespace + 'robot_response',
                                       'compas_rrc_driver/RobotMessage',
                                       queue_size=0)
        self.feedback.subscribe(self.feedback_callback)
        self.topic.advertise()
        self.futures = {}

        self.ros.on('closing', self._disconnect_topics)
Example #7
0
    def __init__(self,robot_id):
        # init HMM model
        working_dir = os.path.dirname(os.path.realpath(__file__))

        # Load per-situation HMMs
        self.pblHMM = hmms.DtHMM.from_file(working_dir+"/../Models/pblHMM_k_3_hf.npz")
        self.pbrHMM = hmms.DtHMM.from_file(working_dir+"/../Models/pbrHMM_k_3_hf.npz")
        self.rotlHMM = hmms.DtHMM.from_file(working_dir+"/../Models/rotlHMM_k_3_hf.npz")
        self.rotrHMM = hmms.DtHMM.from_file(working_dir+"/../Models/rotrHMM_k_3_hf.npz")
        self.pclHMM = hmms.DtHMM.from_file(working_dir+"/../Models/pclHMM_k_3_hf.npz")
        self.pcrHMM = hmms.DtHMM.from_file(working_dir+"/../Models/pcrHMM_k_3_hf.npz")

        # Configuration parameters
        self.rejection_KL_thresh = 0.025
        N_nodes = 81

        self.classes = ["PBL", "PBR", "ROTL", "ROTR", "PCL", "PCR"]

        # Functions for mapping QTC_C states to integers
        # Create list of QTC_C states so that indices can be used as integer state IDs compatible with HMM library
        QTC_symbols = []
        for i in range(0, 4):
            QTC_symbols.append("-")
            QTC_symbols.append("0")
            QTC_symbols.append("+")
        # print("QTC symbols:", QTC_symbols[:3])
        self.QTC_C_states = list(combinations(QTC_symbols, 4))
        self.QTC_C_states = [state[0] + state[1] + state[2] + state[3] for state in self.QTC_C_states]
        self.QTC_C_states = list(np.unique(self.QTC_C_states))

        # init param
        self.prev_time = time.time()
        self.qtc_seq = []

        # init ros
        ros_client = roslibpy.Ros(host='localhost', port=9090)
        ros_client.run()
        print("ROS connected:", ros_client.is_connected)
        
        # read parameters
        print("Robot Id :", robot_id)

        rejection_thresh_param = roslibpy.Param(ros_client, "/robot"+str(robot_id)+"/qsr/situation_rejection_threshold")
        self.rejection_KL_thresh = rejection_thresh_param.get()

        print("rejection_KL_thresh:",self.rejection_KL_thresh )
        
        # define topics
        self.qtcTopic = roslibpy.Topic(ros_client, "/robot"+str(robot_id)+"/qsr/qtc_state", "std_msgs/String")
        self.sitTopic = roslibpy.Topic(ros_client, "/robot"+str(robot_id)+"/qsr/situation_predictions", "std_msgs/String")

        # define subscribers
        self.qtcTopic.subscribe(lambda message: self.qtc_update_callback(message))

        while ros_client.is_connected:
            time.sleep(1)

        ros_client.terminate()
Example #8
0
def main_(bag_file):

    fo = open("output_image.txt", "w")
    fo.write("")
    fo.close()

    fo = open("output.txt", "w")
    fo.write("")
    fo.close()

    bag_file = '/data/' + str(bag_file)
    played = False

    def bagPlayed(Bagdata):
        global played
        if (Bagdata):
            played = False
            fo = open("output.txt", "a")
            time.sleep(1)
            fo.write("bag finished playing")
            print("bag finished playing")
            fo.close()

    client = roslibpy.Ros(host=os.environ['HOST'], port=8080)
    client.run()
    client.on_ready(lambda: print('Is ROS connected?', client.is_connected))

    imu_listener = roslibpy.Topic(client, '/mavros/imu/data',
                                  'sensor_msgs/Imu')
    imu_listener.subscribe(lambda IMUdata: ImuCallback([
        float(IMUdata['linear_acceleration']['x']),
        float(IMUdata['linear_acceleration']['y']),
        float(IMUdata['linear_acceleration']['z'])
    ], IMUdata['header']))

    #image_listener = roslibpy.Topic(client, '/pylon_camera_node/image_raw', 'sensor_msgs/Image')
    image_listener = roslibpy.Topic(client, '/resizedImage',
                                    'sensor_msgs/TimeReference')
    image_listener.subscribe(lambda Imagedata: ImageCallback(Imagedata))

    bag_listener = roslibpy.Topic(client, '/bagEnd', 'std_msgs/Bool')
    bag_listener.subscribe(lambda Bagdata: bagPlayed(Bagdata))

    bag_player = roslibpy.Topic(client, '/bagStart', 'std_msgs/String')

    #To play Bag file - change above bag path and call funtion below (now only runs once)
    ##funtion start
    if (client.is_connected and (not played)):
        bag_player.publish(roslibpy.Message({'data': bag_file}))
        played = True
    ##funtion end

    try:
        while True:
            pass
    except KeyboardInterrupt:
        client.terminate()
Example #9
0
 def __init__(self, ros_client: roslibpy.Ros, callback: callable, topics: Sequence[str], queue_size: int=100, allow_headerless: float=0.1):
     msg_type = 'sensor_msgs/CompressedImage'
     self.client_callback = callback
     self.tps = [roslibpy.Topic(ros_client, name, msg_type) for name in topics]
     if len(self.tps) > 1:
         self.subscriber = TimeSynchronizer(self.tps, self.msg_to_cv2, queue_size, allow_headerless)
     else:
         self.subscriber = roslibpy.Topic(ros_client, self.tps[0], msg_type)
         self.subscriber.subscribe(self.msg_to_cv2)
Example #10
0
 def __init__(self, *args, **kwargs):
     self.ros = roslibpy.Ros(host=HOST, port=PORT)
     self.ros_odom = roslibpy.Topic(self.ros, '/odom', 'nav_msgs/Odometry')
     self.ros_vel = roslibpy.Topic(self.ros, '/cmd_vel_mux/input/teleop', 'geometry_msgs/Twist')
     self.step = 0
     self.prev_robot_action = np.array([0,0])
     super().__init__(*args, **kwargs)
     if REAL:
         self.start_ros()
Example #11
0
    def __init__(self):
        self.roslibpy_client = roslibpy.Ros(host='192.168.2.76', port=9099)
        self.roslibpy_client.run()
        self.pos_sender = roslibpy.Topic(self.roslibpy_client,
                                         '/iiwa_joint_position',
                                         'iiwa_msgs/JointPosition')
        self.vel_sender = roslibpy.Topic(self.roslibpy_client,
                                         '/iiwa_joint_velocity',
                                         'iiwa_msgs/JointVelocity')
        self.pose_receiver = roslibpy.Topic(self.roslibpy_client, 'FX_msg',
                                            'geometry_msgs/PoseStamped')
        self.pose_receiver.subscribe(self.callback_basepose)

        rospy.init_node('communication_node')
        self.vel_sub = rospy.Subscriber('iiwa/state/JointVelocity',
                                        JointVelocity, self.call_back_vel)
        self.pos_sub = rospy.Subscriber('iiwa/state/JointPosition',
                                        JointPosition, self.call_back_pos)
        self.base_pose_pub = rospy.Publisher('FX_msg_roslibpy',
                                             PoseStamped,
                                             queue_size=10)

        self.count = 0
        self.base_pose = PoseStamped()

        self.joint_vel = dict()
        self.joint_vel['header'] = dict()
        self.joint_vel['header']['seq'] = 0
        self.joint_vel['header']['frame_id'] = ''
        self.joint_vel['header']['stamp'] = dict()
        self.joint_vel['header']['stamp']['secs'] = 0
        self.joint_vel['header']['stamp']['nsecs'] = 0
        self.joint_vel['velocity'] = dict()
        self.joint_vel['velocity']['a1'] = 0
        self.joint_vel['velocity']['a2'] = 0
        self.joint_vel['velocity']['a3'] = 0
        self.joint_vel['velocity']['a4'] = 0
        self.joint_vel['velocity']['a5'] = 0
        self.joint_vel['velocity']['a6'] = 0
        self.joint_vel['velocity']['a7'] = 0

        self.joint_pos = dict()
        self.joint_pos['header'] = dict()
        self.joint_pos['header']['seq'] = 0
        self.joint_pos['header']['frame_id'] = ''
        self.joint_pos['header']['stamp'] = dict()
        self.joint_pos['header']['stamp']['secs'] = 0
        self.joint_pos['header']['stamp']['nsecs'] = 0
        self.joint_pos['position'] = dict()
        self.joint_pos['position']['a1'] = 0
        self.joint_pos['position']['a2'] = 0
        self.joint_pos['position']['a3'] = 0
        self.joint_pos['position']['a4'] = 0
        self.joint_pos['position']['a5'] = 0
        self.joint_pos['position']['a6'] = 0
        self.joint_pos['position']['a7'] = 0
Example #12
0
 def __init__(self, client):
     """
     Constructor of the class
     """
     super(Bebop, self).__init__(client, '/bebop', self.MOVE_TOPIC,
                                 self.POSSIBLE_MOVES)
     self.takeoff_topic = roslibpy.Topic(client, '/bebop/takeoff',
                                         'std_msgs/Empty')
     self.land_topic = roslibpy.Topic(client, '/bebop/land',
                                      'std_msgs/Empty')
 def __init__(self):
     self.client = roslibpy.Ros(host=ROBOT_IP, port=ROBOT_PORT)
     self.messenger_publisher = roslibpy.Topic(self.client,
                                               messenger.MESSENGER_TOPIC,
                                               messenger.MESSENGER_TYPE)
     self.controller_publisher = roslibpy.Topic(self.client,
                                                controller.CONTROLLER_TOPIC,
                                                controller.CONTROLLER_TYPE)
     self.voice_publisher = roslibpy.Topic(self.client,
                                           voice_assistant.VOICE_TOPIC,
                                           voice_assistant.VOICE_TYPE)
Example #14
0
    def __init__(self, ros_client: roslibpy.Ros, goal_callback: callable, odom_topic: str='/odom', map_topic: str='/map'):
        self.ros_client = ros_client
        self.result_callback = goal_callback
        self.mb_scheduler = ActionScheduler(self.ros_client, '/move_base', 'move_base_msgs/MoveBaseAction', self.result_callback)

        self.is_get_map = False
        self.map_listener = roslibpy.Topic(self.ros_client, map_topic, 'nav_msgs/OccupancyGrid')
        self.map_listener.subscribe(self._update_map)
        
        self.is_get_odom = False
        self.odom_listener = roslibpy.Topic(self.ros_client, odom_topic, 'nav_msgs/Odometry')
        self.odom_listener.subscribe(self._update_odometry)
Example #15
0
 def __init__(self, robot):
     self.ros = robot.ros
     self.talker = roslibpy.Topic(self.ros, '/cmd_vel', 'geometry_msgs/msg/Twist')
     self.encoder_listener = roslibpy.Topic(self.ros, '/encoder', 'motor_msgs/msg/Encoder')
     self.talker.advertise()
     self.encoder_listener.subscribe(self._on_encoder_msg)
     self.encoders = {
         'l_rpm': [0] * 200,
         'r_rpm': [0] * 200,
         'l_target': [0] * 200,
         'r_target': [0] * 200,
     }
     while not self.talker.is_advertised:
         time.sleep(0.1)
Example #16
0
 def setup_listeners(self):
     self.imageListener = roslibpy.Topic(
         self.client,
         f'/{self.rover_id}/camera_node/image/compressed',
         'sensor_msgs/CompressedImage',
         throttle_rate=2000,
         queue_length=1,
         queue_size=1)
     self.imageListener.subscribe(self.image_received_callback)
     self.lidarListener = roslibpy.Topic(self.client,
                                         '/scan',
                                         'sensor_msgs/LaserScan',
                                         throttle_rate=500,
                                         queue_length=1,
                                         queue_size=1)
     self.lidarListener.subscribe(self.lidar_received_callback)
Example #17
0
  def __init__(self, arm_names, upstream_topic, host, port, trigger_topic, drop_rate):
    self.upstream_topic = upstream_topic
    self.trigger_topic = trigger_topic
    self.drop_rate = drop_rate
    self.cnt = 0

    # Creating rosbridge connection
    self.ros = roslibpy.Ros(host=host, port=port, is_secure=False)
    self.ros.on_ready(self.connect_cb)

    self.arms = []

    # Constructing RobotArmDVRK instance for each arm
    for name in arm_names:
      if 'SUJ_PSM' in name:
        self.arms.append(RobotArmSUJPSM(name, self.ros))
      elif 'SUJ_ECM' in name:
        self.arms.append(RobotArmSUJECM(name, self.ros))
      elif 'ECM' in name:
        self.arms.append(RobotArmECM(name, self.ros))
      elif 'PSM' in name:
        self.arms.append(RobotArmPSM(name, self.ros))

    # Advertising rosbridge topic
    self.topic = roslibpy.Topic(self.ros, self.upstream_topic, 'sensor_msgs/JointState')
    self.topic.advertise()

    # Start loop
    self.ros.run_forever()
Example #18
0
 def setup_publishers(self):
     self.joyPublisher = roslibpy.Topic(self.client,
                                        f'/{self.rover_id}/joy',
                                        'sensor_msgs/Joy',
                                        queue_size=1,
                                        queue_length=1)
     self.joyPublisher.advertise()
    def register_map_listener(self, callback):
        self.map_listener = roslibpy.Topic(self.cli, '/map', 'nav_msgs/OccupancyGrid')

        def wrapped_callback(msg):
            callback(msg)

        self.map_listener.subscribe(wrapped_callback)
Example #20
0
 def publish(self, topic, message_type, message):
     try:
         publisher = roslibpy.Topic(self.__ros, topic, message_type)
         publisher.publish(roslibpy.Message(message))
     except:
         self.parent.print_console(
             "Erreur avec la publication de votre message.")
Example #21
0
    def __init__(self):
        self.in_topic = '/main_cam/image_raw/compressed'
        self.out_topic = '/ofm/draw_image/compressed'
        self.in_data_type = 'sensor_msgs/CompressedImage'
        self.out_data_type = 'sensor_msgs/CompressedImage'
        self.header = None
        self.image = None
        self.seq = 0

        self.client = roslibpy.Ros(host='localhost', port=9090)
        self.listener = roslibpy.Topic(self.client,
                                       self.in_topic,
                                       self.in_data_type,
                                       throttle_rate=100,
                                       queue_size=1)
        self.talker = roslibpy.Topic(self.client, self.out_topic,
                                     self.out_data_type)
Example #22
0
    def __init__(self):
        self.client = roslibpy.Ros(host='localhost', port=9090)
        self.client.run()

        self.service = roslibpy.Service(self.client, 'get_images', 'exp_demo/ObjectArray')

        self.publisher = roslibpy.Topic(self.client, '/indicate', 'geometry_msgs/PointStamped')
        self.publisher.advertise()
Example #23
0
    def _check_for_topics(self, event_data):
        """Check to see if there are any new topics we don't know about"""
        sub_topics = rospy.get_published_topics()

        for topic, msg_type in sub_topics:
            if topic not in self._publishers:
                print('registering publisher for {}'.format(topic))
                self._publishers[topic] = roslibpy.Topic(
                    self._roslib_client, topic,
                    self._roslib_client.get_topic_type(topic))
                self._publishers[topic].advertise()
            if topic not in self._subscribers:
                print('registering subscriber for {}'.format(topic))
                self._subscribers[topic] = roslibpy.Topic(
                    self._roslib_client, topic,
                    self._roslib_client.get_topic_type(topic))
                self._subscribers[topic].subscribe(self._null_callback)
Example #24
0
 def __init__(self, robot):
     self.ros = robot.ros
     self.listener = roslibpy.Topic(self.ros, '/camera',
                                    'sensor_msgs/msg/CompressedImage')
     self.listener.subscribe(self._on_msg)
     self.image = None
     while self.image is None:
         time.sleep(0.1)
Example #25
0
 def ros_run(self, conn):
     self.conn = conn
     uav_number = conn.recv()
     ros = roslibpy.Ros(host='localhost', port=9090)
     ros.on_ready(lambda: print('Is ROS Connected?', ros.is_connected))
     roslibpy.Topic(ros, '/cv{0}/output_raw'.format(uav_number),
                    'sensor_msgs/Image').subscribe(self.callback)
     ros.run_forever()
Example #26
0
 def __init__(self, robot):
     self.ros = robot.ros
     self.listener = roslibpy.Topic(self.ros, '/scan',
                                    'sensor_msgs/msg/LaserScan')
     self.listener.subscribe(self._on_msg)
     self.distances = [0] * 360
     self.received = False
     while not self.received:
         time.sleep(0.1)
Example #27
0
    def add_available_action(self, name, metadata, cls=None):

        if cls:
            super(ThingWrapper, self).add_available_action(name, metadata, cls)
        else:
            talker = roslibpy.Topic(self.client, metadata['topic'], metadata['message_type'])
            self.talkers[name] = talker

            super(ThingWrapper, self).add_available_action(name, metadata, PerformROSAction)
Example #28
0
 def subscribe_all(self):
     for sub in self.sub_list:
         if sub.topic not in self.subscribers.keys():
             s = roslibpy.Topic(self.__ros, sub.topic, sub.message_type)
             try:
                 s.subscribe(sub.sub_callback)
                 self.subscribers[sub.topic] = s
             except:
                 self.__parent.print_console(
                     'Impossible de subscribe au topic: ' + sub.topic)
Example #29
0
def randomNumberGenerator():
    client = roslibpy.Ros(host='localhost', port=9090)
    client.run()
    listener = roslibpy.Topic(client, '/turtle1/pose', 'turtlesim/Pose')
    listener.subscribe(lambda message: socketio.emit('newnumber', {'number': message['x']}, namespace='/test'))
    try:
        while not thread_stop_event.isSet():
            pass
    finally:
        client.terminate()
Example #30
0
def register_topic_publisher(obj, topic_name, msg_type, method_name):
    topic = roslibpy.Topic(obj.ros_client, topic_name, msg_type)

    pre_fn = getattr(obj, method_name)
    def fn(msg):
        new_msg = pre_fn(msg)
        new_msg = msg if new_msg is None else new_msg
        topic.publish(roslibpy.Message(new_msg))
        return new_msg
    setattr(obj, method_name, fn)