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components/goalplanner/mainthread.h

00001 /*
00002  * Orca-Robotics Project: Components for robotics 
00003  *               http://orca-robotics.sf.net/
00004  * Copyright (c) 2004-2008 Alex Brooks, Alexei Makarenko, Tobias Kaupp
00005  *
00006  * This copy of Orca is licensed to you under the terms described in
00007  * the LICENSE file included in this distribution.
00008  *
00009  */
00010  
00011 #ifndef MAINTHREAD_H
00012 #define MAINTHREAD_H
00013 
00014 #include <gbxsickacfr/gbxiceutilacfr/subsystemthread.h>
00015 #include <orcaice/context.h>
00016 #include <gbxsickacfr/gbxiceutilacfr/store.h>
00017 #include <hydronavutil/pose.h> 
00018 #include <orca/localise2d.h>
00019 #include <orca/pathplanner2d.h>
00020 #include <orca/pathfollower2d.h>
00021 #include <hydroogmap/hydroogmap.h>
00022 #include "progressmonitor.h"
00023 #include <memory>
00024 #include <orcaifaceimpl/storingconsumers.h>
00025 
00026 namespace goalplanner
00027 {
00028 
00029 class PathFollower2dI;
00030 
00031 class MainThread : public gbxsickacfr::gbxiceutilacfr::SubsystemThread
00032 {
00033 
00034 public: 
00035 
00036     MainThread( const orcaice::Context& context );
00037 
00038     // from SubsystemThread
00039     virtual void walk();
00040 
00041 private:
00042     
00043     void stopRobot();
00044     void initNetwork();
00045 
00046     // Returns 'gotNewPath':
00047     //   - if true, we got a new path (written to newPathData).
00048     //   - if false, we exitted coz the component is stopping.
00049     bool waitForNewPath( orca::PathFollower2dData &newPathData );
00050 
00051     orca::PathPlanner2dData planPath( const hydronavutil::Pose &pose, const orca::PathFollower2dData &coarsePath );
00052     orca::PathFollower2dData convertToPathFollowerData( const orca::PathPlanner2dData &pathPlan );
00053     void sendPath( const orca::PathFollower2dData &pathToSend, bool activateImmediately );
00054 
00055     // Adjust timing: work out how long it takes to the first waypoint based on straight-line distance 
00056     // and configured velocityToFirstWaypoint_. Take the max of first wp time and the computed time.
00057     // Add this time to all waypoints.
00058     void addTimeToReachFirstWp( const hydronavutil::Pose &pose,
00059                                 orca::PathFollower2dData &incomingPath );
00060     
00061     // tries a few times to get localise data by issueing remote calls
00062     void tryGetLocaliseData( orca::Localise2dData &data );
00063     
00064     // check whether the localise data is stale, if yes throws an exception
00065     void checkForStaleness( orca::Localise2dData &data );
00066 
00067     // Gets the most likely pose from the localiser (may throw).
00068     // Also sets isLocalisationUncertain.
00069     hydronavutil::Pose getPose( bool &isLocalisationUncertain );
00070 
00071     bool needToReplan( const hydronavutil::Pose &currentPose, const orca::Waypoint2d &currentWp );
00072 
00073     void replan( const hydronavutil::Pose &currentPose, const orca::Waypoint2d &currentWp );
00074 
00075     // required interface to localiser
00076     orca::Localise2dPrx localise2dPrx_;
00077     
00078     // required interface to localnav
00079     orca::PathFollower2dPrx localNavPrx_;
00080     
00081     // required interface to pathplanner
00082     orca::PathPlanner2dPrx pathplanner2dPrx_;
00083 
00084     // receives and stores information about computed paths 
00085     orcaifaceimpl::StoringPathPlanner2dConsumerImplPtr computedPathConsumer_;
00086         
00087     // ========== provided pathfollower interface (incoming paths) ===============
00088     PathFollower2dI* incomingPathI_;
00089     
00090     gbxsickacfr::gbxiceutilacfr::Store<orca::PathFollower2dData> incomingPathStore_;
00091     
00092     gbxsickacfr::gbxiceutilacfr::Store<bool> activationStore_;
00093     // ===========================================================================
00094 
00095     hydroogmap::OgMap ogMap_;
00096 
00097     // For ray-tracing in OG Map
00098     std::auto_ptr<hydroogmap::OgLosTracer> ogLosTracer_;
00099 
00100     // Monitors how far we are along the path
00101     ProgressMonitor                 *progressMonitor_;
00102     Ice::ObjectPtr                   progressMonitorPtr_;
00103     orca::PathFollower2dConsumerPrx  progressMonitorPrx_;
00104 
00105     bool checkForStaleLocaliseData_;
00106 
00107     bool enableReplan_;
00108 
00109     // If the path planner takes more than this amount of time, assume something's wrong.
00110     double pathPlanTimeout_;
00111     
00112     // Velocity to get to the first waypoint
00113     double velocityToFirstWaypoint_;
00114     orcaice::Context context_;
00115 
00116 };
00117 
00118 } // namespace
00119 
00120 #endif
 

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