VrpnClientRos::VrpnClientRos(ros::NodeHandle nh, ros::NodeHandle private_nh)
  {
    output_nh_ = private_nh;

    host_ = getHostStringFromParams(private_nh);

    ROS_INFO_STREAM("Connecting to VRPN server at " << host_);
    connection_ = std::shared_ptr<vrpn_Connection>(vrpn_get_connection_by_name(host_.c_str()));
    ROS_INFO("Connection established");

    double update_frequency;
    private_nh.param<double>("update_frequency", update_frequency, 100.0);
    mainloop_timer = nh.createTimer(ros::Duration(1 / update_frequency), boost::bind(&VrpnClientRos::mainloop, this));

    double refresh_tracker_frequency;
    private_nh.param<double>("refresh_tracker_frequency", refresh_tracker_frequency, 0.0);

    if (refresh_tracker_frequency > 0.0)
    {
      refresh_tracker_timer_ = nh.createTimer(ros::Duration(1 / refresh_tracker_frequency),
                                              boost::bind(&VrpnClientRos::updateTrackers, this));
    }

    std::vector<std::string> param_tracker_names_;
    if (private_nh.getParam("trackers", param_tracker_names_))
    {
      for (std::vector<std::string>::iterator it = param_tracker_names_.begin();
           it != param_tracker_names_.end(); ++it)
      {
        trackers_.insert(std::make_pair(*it, std::make_shared<VrpnTrackerRos>(*it, connection_, output_nh_)));
      }
    }
  }
Beispiel #2
0
 // If artificial switching, this method is called at set intervals (according to delTon, delToff) to toggle the estimator
 void switchingTimerCB(const ros::TimerEvent& event)
 {
     if (estimatorOn)
     {
         estimatorOn = false;
         switchingTimer = nh.createTimer(ros::Duration(delToff),&EKF::switchingTimerCB,this,true);
     }
     else
     {
         estimatorOn = true;
         switchingTimer = nh.createTimer(ros::Duration(delTon),&EKF::switchingTimerCB,this,true);
     }
 }
    FollowerFSM() : hold(true),
        currentState(STOPPED),
        nextState(STOPPED),
        nPriv("~")


    {
        //hold = true;
        //currentState = STOPPED;
        //nextState = STOPPED;

        nPriv.param<std::string>("world_frame", world_frame, "world_lol");
        nPriv.param<std::string>("robot_frame", robot_frame, "robot");
        nPriv.param<std::string>("fixed_frame", fixed_frame_id, "odom");
        nPriv.param<double>("minimum_distance", minimum_distance, 2);
        nPriv.param<double>("planner_activation_distance", planner_activation_distance, 1.7);
        nPriv.param("minimum_planner_distance", minimum_planner_distance, 1.7);
        nPriv.param("distance_to_target", distance_to_target, 1.5);
        nPriv.param<double>("kv", kv, 0.03);
        nPriv.param<double>("kalfa", kalfa, 0.08);
        //nPriv.param<double>("rate", frequency, 10);
        rate = new ros::Rate(10.0);

        nPriv.param<std::string>("control_type", cType, "planner");

        if(cType == "planner")
        { ac = new MoveBaseClient("move_base", true);}

        notReceivedNumber = 0;
        sub = n.subscribe("person_position", 1, &FollowerFSM::receiveInformation, this);
        cmdPub = n.advertise<geometry_msgs::Twist>("twist_topic", 1);

        timer = n.createTimer(ros::Duration(0.1), &FollowerFSM::checkInfo, this); //If we didn't receive any position on 2 seconds STOP the robot!
        timer.start();
    }
EventsGenerator::EventsGenerator(ros::NodeHandle& n, ros::NodeHandle& np)
{
	double p;
	np.param("exp_timeout", p, 0.5);
	exp_timeout_ = ros::Duration(p);

	sub_desires_ = n.subscribe("desires_set", 1,
			&EventsGenerator::desiresCB, this);
	sub_intention_ = n.subscribe("intention", 1,
			&EventsGenerator::intentionCB, this);
	srv_cem_ = n.advertiseService("create_exploitation_matcher",
			&EventsGenerator::cemCB, this);
	srv_ctem_ = n.advertiseService("create_topic_exploitation_matcher",
			&EventsGenerator::ctemCB, this);

	pub_events_ = n.advertise<hbba_msgs::Event>("events", 100);

	ros::NodeHandle rosgraph_np(np, "rosgraph_monitor");
	rosgraph_monitor_.reset(new RosgraphMonitor(n, rosgraph_np));
	rosgraph_monitor_->registerCB(&EventsGenerator::rosgraphEventsCB, this);

	timer_ = n.createTimer(ros::Duration(1.0), &EventsGenerator::timerCB, this);

    parseExploitationMatches(n);
}
Beispiel #5
0
        AngularRateControl() : nh_("~"),lastIMU_(0.0),
        lastCommand_(0.0), timeout_(1.5),
        joy_control_("/teleop/twistCommand"), auto_control_("/mux/safeCommand"),
        manual_override_(false), rc_override_(true)
         {
            nh_.param("kp",kp_,1.0);
            nh_.param("ki",ki_,0.0);
            nh_.param("kd",kd_,0.0);
            nh_.param("imax",imax_,1E9);
            nh_.param("period",period_,0.05);
            nh_.param("motor_zero",motor_zero_,0.0);
            nh_.param("input_scale",input_scale_,1.0);
            double dTimeout;
            nh_.param("timeout",dTimeout,1.5);
            timeout_ = ros::Duration(dTimeout);

            Pid_.initPid(kp_,ki_,kd_,imax_,-imax_);

            // Make sure TF is ready
            ros::Duration(0.5).sleep();

            // Subscribe to the velocity command and setup the motor publisher
            imu_sub_ = nh_.subscribe("imu",1,&AngularRateControl::imu_callback,this);
            cmd_sub_ = nh_.subscribe("command",1,&AngularRateControl::cmd_callback,this);
            mux_sub_ = nh_.subscribe("/mux/selected",1,&AngularRateControl::mux_callback,this);
            rc_sub_ = nh_.subscribe("/sense",1,&AngularRateControl::rc_callback,this);
            motor_pub_ = nh_.advertise<geometry_msgs::Twist>("motors",1);
            debug_pub_ = nh_.advertise<geometry_msgs::Point>("debug",1);
            //Create a callback for the PID loop
            pid_loop_ = nh_.createTimer(ros::Duration(period_), &AngularRateControl::do_pid, this);

            f_ = boost::bind(&AngularRateControl::config_callback, this, _1, _2);
            server_.setCallback(f_);

        }
Experiment::Experiment(ros::NodeHandle n):n_(n)
{
	ros::NodeHandle n_private("~");
	n_private.param("num_reps", num_reps_, 1000);
	n_private.param("freq", freq_, 1.0);
	n_private.param("start_x", start_x_, -5.0);
	n_private.param("start_y", start_y_, 5.0);
	n_private.param("goal_radius", radius_, 0.5);
	n_private.param("learn", learn_, true);
	n_private.param("learning_rate", learning_rate_, 0.5);
	n_private.param("discount_factor", discount_factor_, 0.5);
	n_private.param("max_explore", max_explore_, 8);

	cnt_rep_ = 0;
	move_stopped_ = false;
	mode_ = MODE_REP_START;

	states_ = new States(n);
	actions_ = new Actions(n);
	qobj_ = new QLearner(actions_->GetNumActions(),
			states_->GetNumStates(), learning_rate_, discount_factor_, learn_,
			max_explore_);

	bool_sub_ = n.subscribe("/move_done", 1, &Experiment::bool_cb, this);
//	ros::Subscriber odom_sub_ = n.subscribe("/odom", 10, odom_cb);
	client_ = n.serviceClient<stage_light_ml::move_robot>("/move_robot");
	timer_ = n.createTimer(ros::Duration(1/freq_), &Experiment::timer_cb, this);
}
	GenericDiagnostic(std::string diagnosticName):nh() {
		_updater.add(diagnosticName,this, &GenericDiagnostic::nodeDiagnostics);
		_timer = nh.createTimer(ros::Duration(4),&GenericDiagnostic::diagnosticTimerCallback,this);
		_updater.setHardwareID("none");
		
		
	};
Beispiel #8
0
  Node()
      : private_nh("~"),
        kill_listener(boost::bind(&Node::killed_callback, this)),
        actionserver(nh, "moveto", false),
        disabled(false) {
    fixed_frame = uf_common::getParam<std::string>(private_nh, "fixed_frame");
    body_frame = uf_common::getParam<std::string>(private_nh, "body_frame");

    limits.vmin_b = uf_common::getParam<subjugator::Vector6d>(private_nh, "vmin_b");
    limits.vmax_b = uf_common::getParam<subjugator::Vector6d>(private_nh, "vmax_b");
    limits.amin_b = uf_common::getParam<subjugator::Vector6d>(private_nh, "amin_b");
    limits.amax_b = uf_common::getParam<subjugator::Vector6d>(private_nh, "amax_b");
    limits.arevoffset_b = uf_common::getParam<Eigen::Vector3d>(private_nh, "arevoffset_b");
    limits.umax_b = uf_common::getParam<subjugator::Vector6d>(private_nh, "umax_b");
    traj_dt = uf_common::getParam<ros::Duration>(private_nh, "traj_dt", ros::Duration(0.0001));

    odom_sub = nh.subscribe<Odometry>("odom", 1, boost::bind(&Node::odom_callback, this, _1));

    trajectory_pub = nh.advertise<PoseTwistStamped>("trajectory", 1);
    waypoint_pose_pub = private_nh.advertise<PoseStamped>("waypoint", 1);

    update_timer =
        nh.createTimer(ros::Duration(1. / 50), boost::bind(&Node::timer_callback, this, _1));

    actionserver.start();

    set_disabled_service = private_nh.advertiseService<SetDisabledRequest, SetDisabledResponse>(
        "set_disabled", boost::bind(&Node::set_disabled, this, _1, _2));
  }
WebVideoServer::WebVideoServer(ros::NodeHandle &nh, ros::NodeHandle &private_nh) :
    nh_(nh), image_transport_(nh),
    handler_group_(http_server::HttpReply::stock_reply(http_server::HttpReply::not_found))
{
  cleanup_timer_ = nh.createTimer(ros::Duration(0.5), boost::bind(&WebVideoServer::cleanup_inactive_streams, this));

  int port;
  private_nh.param("port", port, 8080);

  int server_threads;
  private_nh.param("server_threads", server_threads, 1);

  private_nh.param("ros_threads", ros_threads_, 2);

  stream_types_["mjpeg"] = boost::shared_ptr<ImageStreamerType>(new MjpegStreamerType());
  stream_types_["vp8"] = boost::shared_ptr<ImageStreamerType>(new LibavStreamerType("webm", "libvpx", "video/webm"));

  handler_group_.addHandlerForPath("/", boost::bind(&WebVideoServer::handle_list_streams, this, _1, _2));
  handler_group_.addHandlerForPath("/stream", boost::bind(&WebVideoServer::handle_stream, this, _1, _2));
  handler_group_.addHandlerForPath("/stream_viewer", boost::bind(&WebVideoServer::handle_stream_viewer, this, _1, _2));
  handler_group_.addHandlerForPath("/snapshot", boost::bind(&WebVideoServer::handle_snapshot, this, _1, _2));

  server_.reset(new http_server::HttpServer("0.0.0.0", boost::lexical_cast<std::string>(port),
      boost::bind(ros_connection_logger, handler_group_, _1, _2), server_threads));
}
		/*!
		* \brief Initializes node to get parameters, subscribe and publish to topics.
		*/
		bool init()
		{
			// implementation of topics to publish
 
			nh_.param("dsadevicestring", dsadevicestring_, std::string(""));
			if (dsadevicestring_.empty()) return false;

			nh_.param("dsadevicenum", dsadevicenum_, 0);
			nh_.param("maxerror", maxerror_, 8);
			
 			double publish_frequency, diag_frequency;
			
			nh_.param("debug", debug_, false);
			nh_.param("polling", polling_, false);
			nh_.param("use_rle", use_rle_, true);
			nh_.param("diag_frequency", diag_frequency, 5.0);
			frequency_ = 30.0;
			if(polling_) nh_.param("poll_frequency", frequency_, 5.0);
			nh_.param("publish_frequency", publish_frequency, 0.0);
			
			auto_publish_ = true;

				
			if(polling_){
			    timer_dsa = nh_.createTimer(ros::Rate(frequency_).expectedCycleTime(),boost::bind(&DsaNode::pollDsa,  this));
 			}else{
			    timer_dsa = nh_.createTimer(ros::Rate(frequency_*2.0).expectedCycleTime(),boost::bind(&DsaNode::readDsaFrame,  this));
			    if(publish_frequency > 0.0){
				auto_publish_ = false;
				timer_publish = nh_.createTimer(ros::Rate(publish_frequency).expectedCycleTime(),boost::bind(&DsaNode::publishTactileData, this));
			    }
			}

			timer_diag = nh_.createTimer(ros::Rate(diag_frequency).expectedCycleTime(),boost::bind(&DsaNode::publishDiagnostics, this));
			
			if(!read_vector(nh_, "dsa_reorder", dsa_reorder_)){
			    dsa_reorder_.resize(6);
			    dsa_reorder_[0] = 2; // t1
			    dsa_reorder_[1] = 3; // t2
			    dsa_reorder_[2] = 4; // f11
			    dsa_reorder_[3] = 5; // f12
			    dsa_reorder_[4] = 0; // f21
			    dsa_reorder_[5] = 1; // f22
			}
			
			return true;
		}
  /****************************************************
   * @brief : Default constructor
   * @param : ros node handler
   ****************************************************/
  RobotObserver(ros::NodeHandle& node)
  {
    node_=node;
    
    // Getting robot's id from ros param
    if(node_.hasParam("my_robot_id"))
    {
      node_.getParam("my_robot_id",my_id_);
    } else {
      my_id_="PR2_ROBOT";
    }
    waiting_timer_ = node_.createTimer(ros::Duration(1.0), &RobotObserver::timerCallback, this, true);
    timer_on_=false;
    enable_event_=true;
    task_started_=false;
    // Advertise subscribers
    fact_list_sub_ = node_.subscribe("/agent_monitor/factList", 1, &RobotObserver::factListCallback, this);
    fact_area_list_sub_ = node_.subscribe("/area_manager/factList", 1, &RobotObserver::factListAreaCallback, this);
    human_list_sub_ = node_.subscribe("/pdg/humanList", 1, &RobotObserver::humanListCallback, this);
    object_list_sub_ = node_.subscribe("/pdg/objectList", 1, &RobotObserver::objectListCallback, this);
    current_action_list_sub_ = node_.subscribe("/human_monitor/current_humans_action", 1, &RobotObserver::CurrentActionListCallback, this);
    next_action_list_sub_ = node_.subscribe("/plan_executor/next_humans_actions", 1, &RobotObserver::NextActionListCallback, this);
    // Advertise publishers
    attention_vizu_pub_ = node_.advertise<geometry_msgs::PointStamped>("head_manager/attention_vizualisation", 5);

    init_action_client_ = new InitActionClient_t("pr2motion/Init", true);
    // Initialize action client for the action interface to the head controller
    head_action_client_ = new HeadActionClient_t("pr2motion/Head_Move_Target", true);
    // Connection to the pr2motion client
    connect_port_srv_ = node_.serviceClient<pr2motion::connect_port>("pr2motion/connect_port");
    head_stop_srv_ = node_.serviceClient<pr2motion::connect_port>("pr2motion/Head_Stop");
    ROS_INFO("[robot_observer] Waiting for pr2motion action server to start.");
    init_action_client_->waitForServer(); //will wait for infinite time
    head_action_client_->waitForServer(); //will wait for infinite time
    ROS_INFO("[robot_observer] pr2motion action server started.");

    pr2motion::InitGoal goal_init;
    init_action_client_->sendGoal(goal_init);

    pr2motion::connect_port srv;
    srv.request.local = "joint_state";
    srv.request.remote = "joint_states";
    if (!connect_port_srv_.call(srv)){
      ROS_ERROR("[robot_observer] Failed to call service pr2motion/connect_port");
    }
    srv.request.local = "head_controller_state";
    srv.request.remote = "/head_traj_controller/state";
    if (!connect_port_srv_.call(srv)){
      ROS_ERROR("[robot_observer] Failed to call service pr2motion/connect_port");
    }
    pr2motion::Z_Head_SetMinDuration srv_MinDuration;
    srv_MinDuration.request.head_min_duration=0.6;
    if(!ros::service::call("/pr2motion/Z_Head_SetMinDuration",srv_MinDuration))
        ROS_ERROR("[robot_observer] Failed to call service /pr2motion/Z_Head_SetMinDuration");
    state_machine_ = new ObserverStateMachine(boost::cref(this));
    state_machine_->start();
    ROS_INFO("[robot_observer] Starting state machine, node ready !");
  }
void PlayerTracker::spin()
{
	ros::Timer timer = node.createTimer(ros::Duration(1.0/RATE), &PlayerTracker::updateOdometry,this);
	ros::Rate r(RATE);
	while(ros::ok()) {
		ros::spinOnce();
		r.sleep();
	}
}
CJointController::CJointController(std::string name, CQboduinoDriver *device_p, ros::NodeHandle& nh, std::map<std::string,CServo *>& servos) : CController(name,device_p,nh)
{
    joints_dirty_=true;
    servos_p_=&servos;
    std::string topic;
    nh.param("controllers/"+name+"/topic", topic, std::string("cmd_joints"));
    nh.param("controllers/"+name+"/rate", rate_, 15.0);
    joint_sub_ = nh.subscribe<sensor_msgs::JointState>(topic, 10, &CJointController::jointCallback, this);
    timer_=nh.createTimer(ros::Duration(1/rate_),&CJointController::timerCallback,this);
}
    KeyboardNode() {
	ROS_INFO("Starting Keyboard Node...");
	// wait for the simulator reset service to become available:
	ROS_DEBUG("Waiting for simulator_reset service to become available");
	ros::service::waitForService("simulator_reset");
	// create a service client
	reset_client = n_.serviceClient<std_srvs::Empty>("simulator_reset");
	timer = n_.createTimer(ros::Duration(0.02),
			       &KeyboardNode::timerCallback, this);
    }
CBatteryController::CBatteryController(std::string name, CQboduinoDriver *device_p, ros::NodeHandle& nh) : CController(name,device_p,nh)
{
    level_=0;
    stat_=0;
    std::string topic;
    nh.param("controllers/"+name+"/topic", topic, std::string("battery_state"));
    nh.param("controllers/"+name+"/rate", rate_, 15.0);
    battery_pub_ = nh.advertise<qbo_arduqbo::BatteryLevel>(topic, 1);
    timer_=nh.createTimer(ros::Duration(1/rate_),&CBatteryController::timerCallback,this);
}
    MovePlatformAction() :
        as_(n_, CARLOS_MOVE_ACTION, false), //movePlatform action SERVER
        ac_planner_("/plan_action", true), // Planner action CLIENT
        ac_control_("/control_action", true) // Controller action CLIENT
    {

        n_.param("/move_platform_server/debug", debug_, false);

        std::string name = ROSCONSOLE_DEFAULT_NAME; //ros.carlos_motion_action_server
        name = name  + ".debug";
        logger_name_ = "debug";
        //logger is ros.carlos_motion_action_server.debug

        if (debug_)
        {
            // if we use ROSCONSOLE_DEFAULT_NAME we'll get a ton of debug messages from actionlib which is annoying!!!
            // so for debug we'll use a named logger
            if(ros::console::set_logger_level(name, ros::console::levels::Debug)) //name
                ros::console::notifyLoggerLevelsChanged();
        }
        else // if not DEBUG we want INFO
        {
            if(ros::console::set_logger_level(name, ros::console::levels::Info)) //name
                ros::console::notifyLoggerLevelsChanged();
        }

        ROS_DEBUG_NAMED(logger_name_, "Starting Move Platform Server");

        as_.registerGoalCallback(boost::bind(&MovePlatformAction::moveGoalCB, this));
        as_.registerPreemptCallback(boost::bind(&MovePlatformAction::movePreemptCB, this));

        //start the move server
        as_.start();
        ROS_DEBUG_NAMED(logger_name_, "Move Platform Action Server Started");

        // now wait for the other servers (planner + controller) to start
        ROS_WARN_NAMED(logger_name_, "Waiting for planner server to start");
        ac_planner_.waitForServer();
        ROS_INFO_STREAM_NAMED(logger_name_, "Planner server started: " <<  ac_planner_.isServerConnected());

        ROS_WARN_NAMED(logger_name_, "Waiting for controller server to start");
        ac_control_.waitForServer();
        ROS_INFO_STREAM_NAMED(logger_name_, "Controller server started: " <<  ac_control_.isServerConnected());

        n_.param("/carlos/fsm_frequency", frequency_, DEFAULT_STATE_FREQ);
        state_pub_timer_ = n_.createTimer(frequency_, &MovePlatformAction::state_pub_timerCB, this);
        state_pub_ = n_.advertise<mission_ctrl_msgs::hardware_state>(CARLOS_BASE_STATE_MSG,1);

        planning_ = false;
        controlling_ = false;
        //set_terminal_state_;
        ctrl_state_sub = n_.subscribe<std_msgs::String>("/oea_controller/controller_state", 5, &MovePlatformAction::control_stateCB, this);
        planner_state_sub = n_.subscribe<std_msgs::UInt8>("/oea_planner/state", 5, &MovePlatformAction::planner_stateCB, this);

    }
 ClothoidMainNode(ros::NodeHandle _nh):nh(_nh){
      lane_sub       = nh.subscribe<clothoid_msgs::Lane>("lane", 1, &ClothoidMainNode::laneCallback, this);
      light_sub      = nh.subscribe<clothoid_msgs::LightStatus>("light", 1, &ClothoidMainNode::lightCallback, this);
      sign_sub       = nh.subscribe<clothoid_msgs::TrafficSign>("sign", 1, &ClothoidMainNode::signCallback, this);
      ped_sub        = nh.subscribe<clothoid_msgs::Pedestrian>("pedestrian", 1, &ClothoidMainNode::pedestrianCallback, this);
      vehicle_sub    = nh.subscribe<clothoid_msgs::VehicleDetectStatus>("vehicle", 1, &ClothoidMainNode::vehicleCallback, this);
      rcg_pub        = nh.advertise<clothoid_msgs::katech_KCAN>("recognition_signal",1);
      speed_pub      = nh.advertise<clothoid_msgs::katech_KCAN>("vehicle_speed",1);
      timer          = nh.createTimer(ros::Duration(0.001), &ClothoidMainNode::timerCallback, this);
      ROS_INFO("clothoid_main has initialized. waiting for messages.");
 }
Beispiel #18
0
  /*!
  * \brief Default contructor.
  *
  * This description is displayed lower in the doxygen as an extended description along with
  * the above brief description.
  */
  HapticNode(char* argv[]):
      nh_("/")
      , nh_pvt_("~")
      , input_topic_("/cloud_in")
      , output_topic_("/cloud_out")
      //, dyn_srv(ros::NodeHandle("~config")),
  {
    got_first_cloud_ = false;
    now_ = ros::Time::now() - ros::Duration(1.0);

    // Clouds in and out
    sub_cloud_ = nh_.subscribe<sensor_msgs::PointCloud2>
                 (input_topic_, 1, boost::bind(&HapticNode::cloudCallback,this, _1));
    pub_cloud_ = nh_.advertise<sensor_msgs::PointCloud2>(output_topic_, 1);
    pub_marker_cloud_ = nh_.advertise<visualization_msgs::MarkerArray>("/marker_cloud_array", 1);

    // Disparity images in and out:
    sub_disparity_1_ = nh_.subscribe<stereo_msgs::DisparityImage>
                 ("/disparity_1", 1, boost::bind(&HapticNode::disparityCallback, this, _1));

    // Marker topics
    pub_marker_ = nh_.advertise<visualization_msgs::Marker>("/markers", 100);
    pub_marker_array_ = nh_.advertise<visualization_msgs::MarkerArray>("/markers_array", 1);

    // String status topic
    pub_status_ = nh_pvt_.advertise<std_msgs::String>("status", 10);

    // Create timer callback for auto-running of algorithm
    update_timer_ = nh_.createTimer(ros::Duration(0.03333), boost::bind(&HapticNode::timerCallback, this));
    slow_update_timer_ = nh_.createTimer(ros::Duration(0.5), boost::bind(&HapticNode::slowTimerCallback, this));


    // This server is for the user to adjust the algorithm weights
    dyn_cb = boost::bind( &HapticNode::dynamicCallback, this, _1, _2 );
    dyn_srv.setCallback(dyn_cb);

    // Set up the chai world and device
    initializeHaptics();

    ROS_INFO("Finished constructor!");
  }
Beispiel #19
0
GraphSlamNode::GraphSlamNode(ros::NodeHandle nh) :
    _nh(nh),
    graph("/map"),
    place_recognizer_(new BinaryGistRecognizer()),
    optimizer_(new G2oOptimizer()),
    transformation_estimator_(new FeatureTransformationEstimator(boost::bind(&GraphSlamNode::newEdgeCallback, this, _1))),
    projector_(new OccupancyGridProjector(nh)),
    tfl(ros::Duration(10.0))
{
    // Read odometry frames.
    nh.param<std::string>("odom_frame", odom_frame_, "odom");
    ROS_INFO("odom_frame: %s", odom_frame_.c_str());
    nh.param<std::string>("odom_childframe", odom_childframe_, "base_link");
    ROS_INFO("odom_childframe: %s", odom_childframe_.c_str());

    current_node_ = "";
    last_node_ = "";
    most_recent_loop_closure_ = "";
    current_odometry_pose_ = Eigen::Isometry3d::Identity();
    last_odometry_pose_ = Eigen::Isometry3d::Identity();
    odom_information_ = Eigen::MatrixXd::Zero(6,6);
    map_transform_ = Eigen::Isometry3d::Identity();
    odom_transform_.frame_id_ = "/map";
    odom_transform_.child_frame_id_ = odom_frame_;

    // Initialize publishers
    pose_pub_ = _nh.advertise<geometry_msgs::PoseStamped>("graph_pose", 1);
    graph_display_pub_ = _nh.advertise<graph_slam_msgs::Graph>("/display_graph", 1);
    sensor_request_pub_ = _nh.advertise<graph_slam_msgs::SensorRequest>("/sensor_request", 1);

    // Initialize synchronized sensor data subscriber.
    sensor_sub_.subscribe(nh, "/sensor_data", 10);
    sensor_sub_filter_ = new tf::MessageFilter<graph_slam_msgs::SensorDataArray>(sensor_sub_, tfl, odom_frame_, 10);
    sensor_sub_filter_->registerCallback(boost::bind(&GraphSlamNode::sensorDataCallback, this, _1));

    // Initialize timer callbacks.
    odom_timer_ = nh.createTimer(ros::Duration(.1), &GraphSlamNode::odomTimerCallback, this);
    optimization_timer_ = nh.createTimer(ros::Duration(5.), &GraphSlamNode::optimizationTimerCallback, this);

    graph.addSensor("/base_link", Eigen::Isometry3d::Identity());
}
 TimeredDiagnosticUpdater::TimeredDiagnosticUpdater(
   ros::NodeHandle& nh,
   const ros::Duration& timer_duration):
   diagnostic_updater_(new diagnostic_updater::Updater)
 {
   timer_ = nh.createTimer(
     timer_duration, boost::bind(
       &TimeredDiagnosticUpdater::timerCallback,
       this,
       _1));
   timer_.stop();
 }
  VelocitySmootherNode(): nh_(), pnh_("~") {
    latest_time_ = ros::Time::now();

    dyn_srv_ = boost::make_shared<dyn::Server<Config> >(pnh_);
    dyn::Server<Config>::CallbackType f = boost::bind(&VelocitySmootherNode::dynConfigCallback, this, _1, _2);
    dyn_srv_->setCallback(f);
    
    pub_vel_ = boost::shared_ptr<geometry_msgs::Twist>(new geometry_msgs::Twist());
    pub_ = nh_.advertise<geometry_msgs::Twist>("output", 100);
    sub_ = nh_.subscribe("input", 1, &VelocitySmootherNode::velCallback, this);
    timer_ = nh_.createTimer(timerDuration(), &VelocitySmootherNode::timerCallback, this);
  };
CInfraRedsController::CInfraRedsController(std::string name, CQboduinoDriver *device_p, ros::NodeHandle& nh) : CController(name,device_p,nh)
{
    ir0_=0;
    ir1_=0;
    ir2_=0;
    std::string topic,irs_topic;
    nh.param("controllers/"+name+"/topic", topic, std::string("cmd_mics"));
    nh.param("controllers/"+name+"/irs_topic", irs_topic, std::string("irs_state"));
    nh.param("controllers/"+name+"/rate", rate_, 1.0);
    irs_pub_ = nh.advertise<qbo_arduqbo::Irs>(irs_topic, 1);
    timer_=nh.createTimer(ros::Duration(1/rate_),&CInfraRedsController::timerCallback,this);
}
CMicsController::CMicsController(std::string name, CQboduinoDriver *device_p, ros::NodeHandle& nh) : CController(name,device_p,nh)
{

    m0_=0;
    m1_=0;
    m2_=0;

    std::string mics_topic;
    nh.param("controllers/"+name+"/mics_topic", mics_topic, std::string("mics_state"));
    nh.param("controllers/"+name+"/rate", rate_, 1.0);
    mics_pub_ = nh.advertise<std_msgs::UInt16MultiArray>(mics_topic, 1);
    timer_=nh.createTimer(ros::Duration(1/rate_),&CMicsController::timerCallback,this);
}
Beispiel #24
0
bool ROSnode::Prepare() {
    Handle.param("/ar_tag_number", arTagNumber, 9);
    Handle.param("/use_timer", withTimer, true);
    Handle.param("/reset_time", resetTime, 120.0);
    spottedTags = std::vector<int>(arTagNumber, 0);
    totalTags = 0;
    tagSub = Handle.subscribe("ar_pose_marker", 10, &ROSnode::tagCallback, this);
    countPub = Handle.advertise<std_msgs::Int32>("/tag_count", 10);
    resetService = Handle.advertiseService("/reset", &ROSnode::resetServiceCallback, this);
    if(withTimer)
        resetTimer = Handle.createTimer(ros::Duration(resetTime), &ROSnode::resetTimerCallback, this);
    return true;
}
        CalibrationRegression() : nh_("~") {
            nh_.param<int>("input_sample",input_sample_,500);
            nh_.param<double>("watchdog_interval",watchdog_interval_seconds,0.02);

            // Make sure TF is ready
            ros::Duration(0.5).sleep();

            CHECK(StringToLinearSolverType(FLAGS_linear_solver,
                        &options.linear_solver_type));
            CHECK(StringToPreconditionerType(FLAGS_preconditioner,
                        &options.preconditioner_type));
            CHECK(StringToSparseLinearAlgebraLibraryType(
                        FLAGS_sparse_linear_algebra_library,
                        &options.sparse_linear_algebra_library_type));
            options.num_linear_solver_threads = FLAGS_num_threads;
            options.max_num_iterations = FLAGS_num_iterations;
            options.minimizer_progress_to_stdout = true;
            options.num_threads = FLAGS_num_threads;
            options.eta = FLAGS_eta;
            options.function_tolerance = 3e-7;
            options.max_solver_time_in_seconds = FLAGS_max_solver_time;
            options.use_nonmonotonic_steps = FLAGS_nonmonotonic_steps;
            options.update_state_every_iteration = true; 
            
            quaternion_parameterization = new ceres::QuaternionParameterization;

            CHECK(StringToTrustRegionStrategyType(FLAGS_trust_region_strategy,
                        &options.trust_region_strategy_type));
            CHECK(StringToDoglegType(FLAGS_dogleg, &options.dogleg_type));
            options.use_inner_iterations = FLAGS_inner_iterations;

            arm_sub_ = nh_.subscribe("/output_arm_position",1,&CalibrationRegression::ArmPositionCallback,this);
            tag_sub_ = nh_.subscribe("/output_tag_position",1,&CalibrationRegression::TagPositionCallback,this);
            
            watchdog_timer = nh_.createTimer(ros::Duration(watchdog_interval_seconds), &CalibrationRegression::watchdog, this);
			tag_avail = false; 
			arm_avail = false;
			
			q2i[0] = 0; q2i[1] = 0; q2i[2] = 0; q2i[3] = 1;
			p2i[0] = 0; p2i[1] = 0; p2i[2] = 0; 
			p1i[0] = 0; p1i[1] = 0; p1i[2] = 0; 
			
			pbar[0] = -0.011857; pbar[1] = -0.018233; pbar[2] = 0.166546;
			q1[0] = 0.001397; q1[1] = -0.022436; q1[2] = 0.016104; q1[3] = -0.999611;
			//t1[0] = 0.184323; t1[1] = 0.308063; t1[2] = 0.413035;
			t1[0] = 0.184323; t1[1] = 0.413035;
			count = 0;
			
			ROS_INFO("CERES SOLVER IS READY TO USE");

        }
AALExtensionAction::AALExtensionAction(ros::NodeHandle n):
	hasGoal(false),
	current_phase(FINISHED),
	current_state(CONTRACTED),
	as_(n,"/aal_extension",false),
	last_joint_states_(NULL),
	joint_names_(NULL)
{
	//Initialize pointers
	joint_names_ =  new std::string[7];
	last_joint_states_ = new map<std::string,sensor_msgs::JointState>();

	//Initialize action server
	as_.registerGoalCallback(boost::bind(&AALExtensionAction::goalCB, this, _1));
	as_.registerCancelCallback(boost::bind(&AALExtensionAction::preemptCB, this, _1));
	as_.start();

	next_contracting_angles.push_back(CONTRACTING_JOINT_1);
	next_contracting_angles.push_back(CONTRACTING_JOINT_2);
	next_contracting_angles.push_back(CONTRACTING_JOINT_3);
	next_contracting_angles.push_back(CONTRACTING_JOINT_4);
	next_contracting_angles.push_back(CONTRACTING_JOINT_5);
	next_contracting_angles.push_back(CONTRACTING_JOINT_6);
	next_contracting_angles.push_back(CONTRACTING_JOINT_CLAW);
	next_extending_angles.push_back(EXTENDING_JOINT_1);
	next_extending_angles.push_back(EXTENDING_JOINT_2);
	next_extending_angles.push_back(EXTENDING_JOINT_3);
	next_extending_angles.push_back(EXTENDING_JOINT_4);
	next_extending_angles.push_back(EXTENDING_JOINT_5);
	next_extending_angles.push_back(EXTENDING_JOINT_6);
	next_extending_angles.push_back(EXTENDING_JOINT_CLAW);

	next_angles.resize(7);


	next_angles[0] = next_contracting_angles[0];
	next_angles[1] = next_contracting_angles[1];
	next_angles[2] = next_contracting_angles[2];
	next_angles[3] = next_contracting_angles[3];
	next_angles[4] = next_contracting_angles[4];
	next_angles[5] = next_contracting_angles[5];
	next_angles[6] = next_contracting_angles[6];


	received_goal = ros::Time::now();

	//Initialize timer:
	main_loop_timer = n.createTimer(ros::Duration(1/30.0),&AALExtensionAction::mainLoop,this);
	main_loop_timer.start();
}
Beispiel #27
0
// Consstruct a new RandomWalk object and hook up this ROS node
// to the simulated robot's velocity control and laser topics
AFRL_Driver::AFRL_Driver(ros::NodeHandle& nh) {
    PIDTimer = nh.createTimer(ros::Duration(0.1), &AFRL_Driver::PID_control, this);
    commandPub = nh.advertise<geometry_msgs::Twist>("/mobile_base/commands/velocity", 1); 
    laserSub = nh.subscribe("/base_scan", 1, &AFRL_Driver::commandCallBack, this);
    bumperSub = nh.subscribe("/mobile_base/events/bumper", 1, &AFRL_Driver::bumperCallBack, this);

    commsSub = nh.subscribe("/drone_comms", 1, &AFRL_Driver::commsCallBack, this);
    //  commsPub = nh.advertise<std_msgs::UInt8>("/ground_comms", 1);

    tagState = TAG_NULL;
    this->error_sum = 0;
    this->control = 0;
    ros::spinOnce();
}
Beispiel #28
0
void TfLookup::start(ros::NodeHandle &n)
{
    _srvLookupTransform = n.advertiseService("/lookupTransform",
                          &TfLookup::srvLookupTransform, this);

    _al_server.reset(new AlServer(n, "tf_lookup",
                                  boost::bind(&TfLookup::alGoalCb, this, _1), false));
    _al_server->start();

    _tf_streamer.start(n, boost::bind(&TfLookup::lookupTransform, this, _1, _2, _3, _4),
                       boost::bind(&tf::TransformListener::resolve, _tfListener.get(), _1));

    _check_timer = n.createTimer(ros::Duration(5),
                                 boost::bind(&TfLookup::periodicCheck, this, _1));
}
SpatialPerspectiveLevel2::SpatialPerspectiveLevel2(ros::NodeHandle &nh, const ros::NodeHandle &privNh) :
    updateVisualizerTimer(nh.createTimer(ros::Duration(0.5), &SpatialPerspectiveLevel2::callbackTimer, this)),
    opc(new wysiwyd::wrdac::OPCClient(ros::this_node::getName().substr(1)))
{
    if (!yarp::os::Network::checkNetwork()) {
        ROS_ERROR("YARP could not be initialized");
    } else {
        int itry=0;
        while (!opc->connect("OPC") && itry<3) {
            ROS_INFO("Waiting for connection to OPC...");
            ros::Duration(0.5).sleep();
            itry++;
        }
    }
}
void DiscretePolicyManager::Initialize( DiscretePolicyInterface::Ptr& interface,
                                        ros::NodeHandle& nh,
                                        ros::NodeHandle& ph )
{
	_interface = interface;

	_actionPub = ph.advertise<DiscreteAction>( "actions", 0 );
	_paramSub = nh.subscribe( "param_updates", 
	                          1,
	                          &DiscretePolicyManager::ParamCallback, 
	                          this );

	ros::NodeHandle subh( ph.resolveName("input_streams") );
	_inputStreams.Initialize( subh );

	unsigned int inputDim = _inputStreams.GetDim();
	unsigned int outputDim = _interface->GetOutputSizes().array().prod();
	unsigned int numHiddenLayers, layerWidth;
	GetParamRequired( ph, "network/num_hidden_layers", numHiddenLayers );
	GetParamRequired( ph, "network/layer_width", layerWidth );
	_network = std::make_shared<NetworkType>( inputDim, 
	                                          outputDim, 
	                                          numHiddenLayers, 
	                                          layerWidth );
	_network->SetInputSource( &_networkInput );
	_networkParameters = _network->CreateParameters();
	VectorType w = _networkParameters->GetParamsVec();
	percepto::randomize_vector( w, -0.1, 0.1 );
	_networkParameters->SetParamsVec( w );

	if( HasParam( ph, "seed" ) )
	{
		int seed;
		GetParam( ph, "seed", seed );
		_engine.seed( seed );
	}
	else
	{
		boost::random::random_device rng;
		_engine.seed( rng() );
	}

	double updateRate;
	GetParamRequired( ph, "update_rate", updateRate );
	_timer = ph.createTimer( ros::Duration( 1.0/updateRate ),
	                         &DiscretePolicyManager::UpdateCallback,
	                         this );
}