////////////////////////////////////////////////////////////////////////////////////
///
///   \brief Generates fake waypoints to simulate control unit for testing.
///
////////////////////////////////////////////////////////////////////////////////////
void RobotSim::UseFakeWaypoints()
{
    JAUS::Address controllerID(42, 1, 1);
    mLocalWaypointDriverComponent.AccessControlService()->SetControllerID(controllerID);
    mLocalWaypointDriverComponent.ManagementService()->SetStatus(JAUS::Management::Status::Ready);

    JAUS::SetElement command(mLocalWaypointDriverComponent.GetComponentID(), controllerID);
    command.SetRequestID(1);
    JAUS::Point3D::List localWaypoints;
    // Add more waypoints for testing as needed.
    localWaypoints.push_back(JAUS::Point3D(10, 0, 0));
    localWaypoints.push_back(JAUS::Point3D(10, 10, 0));
    localWaypoints.push_back(JAUS::Point3D(0, 10, 0));
    localWaypoints.push_back(JAUS::Point3D(0, 0, 0));

    for(unsigned int i = 0; i < (unsigned int)localWaypoints.size(); i++)
    {
        JAUS::Element e;
        // Set the element ID.
        e.mID = i + 1;
        // If this is the last element (and we are not looping) set the
        // next ID to 0, otherwise the value of the next element ID.
        if(i < (unsigned int)localWaypoints.size() - 1)
        {
            e.mNextID = e.mID + 1;
        }
        // Set previous element.
        e.mPrevID = i;
        // Populate the element message which is the command to be executed.
        JAUS::SetLocalWaypoint* message = new JAUS::SetLocalWaypoint();
        message->SetX(localWaypoints[i].mX);
        message->SetY(localWaypoints[i].mY);
        // Save the pointer
        e.mpElement = message;
        // Push completed element onto the list.
        command.GetElementList()->push_back(e);
    }

    // Set the command.
    mLocalWaypointDriverComponent.TransportService()->Receive(&command);
    // Now tell it to start executing.
    JAUS::ExecuteList executeCommand(mLocalWaypointDriverComponent.GetComponentID(), controllerID);
    executeCommand.SetElementUID(1); // Start at beginning.
    executeCommand.SetSpeed(2.0);    // Maximum speed.
    mLocalWaypointDriverComponent.TransportService()->Receive(&executeCommand);
}
Example #2
0
int main(int argc, char* argv[])
{
    JAUS::Component component;

    // Add services to a component is done using the AddService
    // method.  Services can only be added before a 
    // component is initialized using the Initialize method.
    // Any attempt to add after will fail.  Finally, you
    // cannot add multiple of the same service.

    // Create a Global Pose Sensor service.
    JAUS::GlobalPoseSensor* globalPoseSensor = new JAUS::GlobalPoseSensor();
    // Set the update rate of the sensor (Hz).  This
    // is used to determine what type of periodic
    // events the sensor can support.
    globalPoseSensor->SetSensorUpdateRate(25);

    // Set some global pose values.
    JAUS::GlobalPose globalPose;
    globalPose.SetLatitude(34.12345);
    globalPose.SetLongitude(-116.12345);
    globalPose.SetAltitude(100);
    globalPose.SetTimeStamp(JAUS::Time(true));
    // Set the values.
    globalPoseSensor->SetGlobalPose(globalPose);

    // Add the sensor service to the component. Remember
    // this must be done before initialization.  Also,
    // the component will delete the service for us
    // automatically, so we don't have to!
    component.AddService(globalPoseSensor);

    // Setup identification info.  For questions about this,
    // see the previous tutorial(s).
    JAUS::Discovery* discoveryService = NULL;
    discoveryService = component.DiscoveryService();
    discoveryService->SetSubsystemIdentification(JAUS::Subsystem::Vehicle,
                                                 "Robot");
    discoveryService->SetNodeIdentification("Primary Computer");
    discoveryService->SetComponentIdentification("Baseline");

    JAUS::Address componentID(1000, 1, 6);
    // Initialize!
    std::cout << "Initializing component...";
    if(component.Initialize(componentID) == false)
    {
        std::cout << "Failed to initialize component [" << componentID.ToString() << "]\n";
        return 0;
    }
    std::cout << "Success!\n";

    // Now go into your main computer loop until the
    // component has been told to shutdown.
    JAUS::Time::Stamp displayStatusTimeMs = JAUS::Time::GetUtcTimeMs();
    while(true)
    {
        // To "simulate" a real sensor, lets modify
        // the latitude like the robot is moving north.
        globalPose.SetLatitude(globalPose.GetLatitude() + 0.00001);
        globalPose.SetTimeStamp(JAUS::Time(true));
        // Update the sensor with the new data.  This will
        // automatically trigger events if someone (i.e. another
        // component) is subscribing to the data from our sensor.
        // this is because the Global Pose Sensor class inherits
        // from the Events service and has implemented all the
        // methods needed to support subscriptions.
        globalPoseSensor->SetGlobalPose(globalPose);

        JAUS::Management* managementService = NULL;
        managementService = component.ManagementService();
        if(managementService->GetStatus() == JAUS::Management::Status::Shutdown)
        {
            // Exit program.
            break;
        }

        if(JAUS::Time::GetUtcTimeMs() - displayStatusTimeMs > 500)
        {
            // Print out status of the service.
            component.GetService(JAUS::GlobalPoseSensor::Name)->PrintStatus(); std::cout << std::endl;
            displayStatusTimeMs = JAUS::Time::GetUtcTimeMs();
        }

        if(CxUtils::GetChar() == 27)
        {
            break;
        }

        CxUtils::SleepMs(100);
    }

    // Shutdown your component completely.  Any
    // services added or belonging to the component
    // will be deleted.
    component.Shutdown();

    return 0;
}
Example #3
0
int main(int argc, char* argv[])
{
    JAUS::Component component;

    // Setup identification info.  For questions about this,
    // see the previous tutorial(s).
    JAUS::Discovery* discoveryService = NULL;
    discoveryService = component.DiscoveryService();
    discoveryService->SetSubsystemIdentification(JAUS::Subsystem::Vehicle,
                                                 "Robot");
    discoveryService->SetNodeIdentification("Primary Computer");
    discoveryService->SetComponentIdentification("Baseline");

    JAUS::Address componentID(1000, 1, 2);
    // Initialize!
    std::cout << "Initializing component...";
    if(component.Initialize(componentID) == false)
    {
        std::cout << "Failed to initialize component [" << componentID.ToString() << "]\n";
        return 0;
    }
    std::cout << "Success!\n";

    // Now go into your main computer loop until the
    // component has been told to shutdown.
    JAUS::Time::Stamp displayStatusTimeMs = JAUS::Time::GetUtcTimeMs();
    while(true)
    {
        JAUS::Management* managementService = NULL;
        managementService = component.ManagementService();
        if(managementService->GetStatus() == JAUS::Management::Status::Shutdown)
        {
            // Exit program.
            break;
        }

        if(JAUS::Time::GetUtcTimeMs() - displayStatusTimeMs > 500)
        {
            // Use the discovery service to get a list of 
            // discovered subsystems. (see below for how to clear map).
            JAUS::Subsystem::Map discoveredSubsystems;
            discoveryService->GetSubsystems(discoveredSubsystems);
            std::cout << "======================================================\n";

            JAUS::Subsystem::Map::iterator subsystem;
            // The map is indexed by the subsystem number.
            for(subsystem = discoveredSubsystems.begin();
                subsystem != discoveredSubsystems.end();
                subsystem++)
            {
                std::cout << "Subsystem: " 
                          << subsystem->first 
                          << " Identification: " 
                          << subsystem->second->mIdentification 
                          << std::endl;

                // Lets see if it has specific service we 
                // want to communicate with.  For this tutorial
                // let's check for the Liveness service, which
                // supports the Query Heartbeat Pulse and 
                // Report Heartbeat Pulse messages.
                // We can use the subsystem data structure to
                // get a list of components on the subsystem that
                // have the service, so we can send a message to it.
                JAUS::Address::List componentsWithLiveness;
                componentsWithLiveness = subsystem->second->GetComponentsWithService(JAUS::Liveness::Name);
                JAUS::Address::List::iterator c;
                for(c = componentsWithLiveness.begin();
                    c != componentsWithLiveness.end();
                    c++)
                {
                    // First, make sure it is not the 
                    // component we are using, because we
                    // want to talk to a different one.
                    if( (*c) != component.GetComponentID())
                    {
                        // Now that we have the ID of
                        // component with the Liveness
                        // service, lets send a query message
                        // and wait for the response.

                        // Setup the query message to send.
                        JAUS::QueryHeartbeatPulse query;
                        query.SetDestinationID( (*c) );
                        query.SetSourceID(component.GetComponentID());
                        
                        // This is the response message we want.
                        JAUS::ReportHeartbeatPulse response;

                        // Send and see if we got a
                        // response, but only wait up to 1 second
                        // for a response.  Default value for waiting
                        // is 100 ms.
                        std::cout << "\tSending Query to " << c->ToString() << std::endl;
                        if(component.Send(&query, &response, 1000))
                        {
                            std::cout << "\tReceived Response Message!\n\t";
                            response.Print();
                        }
                    }
                }
                // The above steps can be used to find any component
                // with a specific service you wish to communicate with.
            }

            // Make sure you delete the subsystem map when
            // you are done with it, otherwise you will have a 
            // memory leak.
            JAUS::Subsystem::DeleteSubsystemMap(discoveredSubsystems);

            displayStatusTimeMs = JAUS::Time::GetUtcTimeMs();
        }

        if(CxUtils::GetChar() == 27)
        {
            break;
        }

        CxUtils::SleepMs(1);
    }

    // Shutdown your component completely.  Any
    // services added or belonging to the component
    // will be deleted.
    component.Shutdown();

    return 0;
}
////////////////////////////////////////////////////////////////////////////////////
///
///   \brief Entry point of jaus_challenge_2010.cpp
///
///   This program demonstrates everything required to complete the JAUS
///   Interoperability Challenge for 2010.  In this program a simulated robot
///   is created which can drive to local waypoints.  This program has
///   run against the JAUS Validation Tool (JVT) and the OCP of the
///   JAUS Interopability Challange during the Autonomous Surface Vehicle
///   Competition, passing all requirements.
///
///   All you have to do is integrate on your own robot, providing real
///   sensor values and generating real control of your bot!
///
////////////////////////////////////////////////////////////////////////////////////
int main(int argc, char* argv[])
{
    JAUS::Component component;

    //component.AddService(new JAUS::JTCPClient());

    // Setting timeout for control to 0 (disables timeout of control).
    // This is done because the JVT and OCP do not query for the timeout period
    // and may not send messages to re-acquire/maintain control within the
    // normal 2 second timeout window.
    component.AccessControlService()->SetTimeoutPeriod(0);

    // Add the services we want/need for our component. By
    // default, the component object already has the Core Service set
    // (e.g. Discovery, Events, Access Control, Management).
    // The Discovery service automatically handles finding other JAUS
    // components, so you do not need to generate any Query Messages
    // (e.g. Query Identification) yourself, because Discovery does it
    // for you.

    // In this test program, we are making a simulated robot, which
    // requires the following mobility services.

    JAUS::GlobalPoseSensor* globalPoseSensor = new JAUS::GlobalPoseSensor();
    globalPoseSensor->SetSensorUpdateRate(25);      // Updates at 25 Hz (used for periodic events).
    component.AddService(globalPoseSensor);

    JAUS::LocalPoseSensor* localPoseSensor = new JAUS::LocalPoseSensor();
    localPoseSensor->SetSensorUpdateRate(25);       // Updates at 25 Hz (used for periodic events).
    component.AddService(localPoseSensor);

    JAUS::VelocityStateSensor* velocityStateSensor = new JAUS::VelocityStateSensor();
    velocityStateSensor->SetSensorUpdateRate(25);   // Updates at 25 Hz (used for periodic events).
    component.AddService(velocityStateSensor);

    // Need a List Manager Service for Local Waypoint List Driver.  You can
    // ignore this service for the Underwater Vehicle Competition.
    component.AddService(new JAUS::ListManager());
    JAUS::LocalWaypointListDriver* localWaypointListDriver = new JAUS::LocalWaypointListDriver();
    component.AddService(localWaypointListDriver);

    // Set Vehicle Identification Information.  Available options for the
    // parameters are JAUS::Subsystem::OCU and JAUS::Subsystem::Vehicle.  Since
    // we are not an OCU, we use Vehicle.  Finally, the string represents the type
    // of robot you have (e.g. Segway RMP, XUV).  This is different than the
    // name of your vehicle, but you can use that if you want.  Your subsystem number
    // is your unique identifier.
    component.DiscoveryService()->SetSubsystemIdentification(JAUS::Subsystem::Vehicle,
                                                             "Simulation");
   
    // Initialize component with a given ID.  Remember, you must
    // add all your services before you initialize the component, because you 
    // cannot add them after initialization.  All services will be deleted by
    // the component on program exit.
    if(component.Initialize(JAUS::Address(gSubsystemID, gNodeID, gComponentID)) == false)
    {
        std::cout << "Failed to Initialize Component.\n";
        return 0;
    }

    // Set state to Standby since we have initialized OK.
    component.ManagementService()->SetStatus(JAUS::Management::Status::Standby);

    // Now that we are initialized, lets create a fixed connection to the
    // JVT for testing.  Since the JVT and the OCP of the JAUS 
    // Interoperability Challenge do not support multicast for Discovery, you
    // must make a direct connection to them.
    JAUS::JTCPClient* transportService = NULL;
    transportService = (JAUS::JTCPClient*)component.TransportService();
    /*
    // Create connection to JAUS Validation Tool (JVT)
    transportService->AddConnection("24.42.140.203", JAUS::Address(90, 1, 1));
    // Create connection to OCP for the JAUS Interoperability Challenge.
    transportService->AddConnection("192.168.1.42", JAUS::Address(42, 1, 1));
    */
    
    // Set an initial global pose.
    JAUS::GlobalPose globalPose;
    globalPose.SetLatitude(32.703356);
    globalPose.SetLongitude(-117.253919);
    globalPose.SetAltitude(300);
    globalPose.SetPositionRMS(0.0);
    globalPose.SetRoll(0.0);
    globalPose.SetPitch(0.0);
    globalPose.SetYaw(CxUtils::CxToRadians(45));
    globalPose.SetAttitudeRMS(0.0);
    globalPose.SetTimeStamp(JAUS::Time::GetUtcTime());
    // Save the data to the service.
    globalPoseSensor->SetGlobalPose(globalPose);
    // You can set local pose data using global pose
    // as it is automatically converted to local pose data for you.
    // How convenient!
    localPoseSensor->SetLocalPose(globalPose);

    // Set an initial velocity state.
    JAUS::VelocityState velocityState;
    velocityState.SetVelocityX(0.0);
    velocityState.SetYawRate(0.0);
    velocityState.SetVelocityRMS(0.0);
    velocityState.SetTimeStamp(JAUS::Time::GetUtcTime());
    // Save the data to the service.
    velocityStateSensor->SetVelocityState(velocityState);

    JAUS::Time::Stamp printTimeMs = 0;

    double timeDiff = 0.33; // Used for simulation of robot physics.
    
    while(CxUtils::GetChar() != 27 && 
          component.ManagementService()->GetStatus() != JAUS::Management::Status::Shutdown)
    {
        double thrust = 25;
        double steering = 0;

        // Simulate some simple physics based on 
        // desired thrust and steering 
        // to reach local waypoints.
        
        double linearDistance = timeDiff*thrust*0.025;
        double linearVelocity = linearDistance/timeDiff;
        double rotation = timeDiff*steering*CxUtils::CxToRadians(1);
        double rotationRate = rotation/timeDiff;
        double yaw = globalPose.GetYaw();
        
        JAUS::Point3D localPosChange(linearDistance, 0, 0);        
        localPosChange = localPosChange.Rotate(yaw, JAUS::Point3D::Z);
        
        CxUtils::Wgs worldPositionWgs(globalPose.GetLatitude(),
                                      globalPose.GetLongitude(),
                                      globalPose.GetAltitude());
        CxUtils::Utm worldPositionUtm(worldPositionWgs);
        
        worldPositionUtm.mNorthing += localPosChange.mX;
        worldPositionUtm.mEasting += localPosChange.mY;
        yaw = CxUtils::Orientation::AddToAngle(yaw, rotation);
        // Convert to WGS
        worldPositionWgs << worldPositionUtm;
        
        // Save newly calculated position and orientation.
        globalPose.SetYaw(yaw);
        globalPose.SetLatitude(worldPositionWgs.mLatitude);
        globalPose.SetLongitude(worldPositionWgs.mLongitude);
        globalPose.SetAltitude(worldPositionWgs.mElevation);
        globalPose.SetTimeStamp(JAUS::Time(true));
        
        velocityState.SetVelocityX(linearVelocity);
        velocityState.SetYawRate(rotationRate);
        velocityState.SetTimeStamp(JAUS::Time(true));
        
        // Save global pose information.
        globalPoseSensor->SetGlobalPose(globalPose);
        // The Local Pose Sensor service supports converting
        // global pose data to local pose data.  It automatically
        // calculates offsets and relative changes for you.
        localPoseSensor->SetLocalPose(globalPose);
        // Save velocity state information.
        velocityStateSensor->SetVelocityState(velocityState);

        if(JAUS::Time::GetUtcTimeMs() - printTimeMs > 500)
        {
            // Print status of services.
            std::cout << "\n======================================================\n";
            component.AccessControlService()->PrintStatus(); std::cout << std::endl;
            component.ManagementService()->PrintStatus(); std::cout << std::endl;
            globalPoseSensor->PrintStatus(); std::cout << std::endl;
            localPoseSensor->PrintStatus(); std::cout << std::endl;
            velocityStateSensor->PrintStatus(); std::cout << std::endl;
            localWaypointListDriver->PrintStatus();
            printTimeMs = JAUS::Time::GetUtcTimeMs();
        }

        // Exit if escape key pressed.
        if(CxUtils::GetChar() == 27)
        {
            break;
        }

        CxUtils::SleepMs((unsigned int)(timeDiff*1000.0));
    }

    // Don't delete services, they are
    // deleted by the Component class.

    // Shutdown any components associated with our subsystem.
    component.Shutdown();

    return 0;
}
Example #5
0
////////////////////////////////////////////////////////////////////////////////////
///
///   \brief Simple simulation of a component with a Local Pose Sensor using
///          JTCP.
///
///   \param[in] subsystemID Subsystem ID number.
///   \param[in] nodeID Node ID number.
///
////////////////////////////////////////////////////////////////////////////////////
int RunServer(JAUS::UShort subsystemID, JAUS::Byte nodeID)
{
    JAUS::Component component;
    JAUS::Address id(subsystemID, nodeID, 1);
    if(id.IsValid() == false)
    {
        std::cout << "Invalid JAUS ID: " << id.ToString() << std::endl;
    }

    // Setup identification data.
    component.DiscoveryService()->SetSubsystemIdentification(JAUS::Subsystem::Vehicle,
                                                             "Local Pose JTCP Tutorial");

    //  Change the transport service to use JTCP
    component.AddService(new JAUS::JTCPClient());

    // Add any other services.  In this case local pose.
    JAUS::LocalPoseSensor* localPoseSensor = new JAUS::LocalPoseSensor();
    component.AddService(localPoseSensor);


    // Initialize component and communication.
    if(component.Initialize(id) == false)
    {
        std::cout << "Failed to initialize JAUS component with ID: " << id.ToString() << std::endl;
        return 0;
    }

    // Configure local pose information.
    JAUS::LocalPose localPose;
    localPose.SetX(0);
    localPose.SetY(0);
    localPose.SetZ(0);
    localPose.SetYaw(0);
    localPose.SetTimeStamp(JAUS::Time(true));

    JAUS::Time printTime(true);
    while(CxUtils::GetChar() != 27 && component.ManagementService()->GetStatus() != JAUS::Management::Status::Shutdown)
    {
        // Fake a position change.
        localPose.SetY(localPose.GetY() + .01);
        localPose.SetTimeStamp(JAUS::Time(true));
        // Save the data.  Anyone who is subscribing will be
        // notified of the change automatically.
        localPoseSensor->SetLocalPose(localPose);

        // Only print to screen every now and then.
        if(JAUS::Time(true) - printTime > .5)
        {
            std::cout << "=======================================================\n";
            localPoseSensor->PrintStatus();
            component.EventsService()->PrintStatus();
            printTime.SetCurrentTime();
        }
        // Don't overload the CPU
        CxUtils::SleepMs(1);
    }

    // Do shutdown
    component.Shutdown();

    return 0;
}
Example #6
0
////////////////////////////////////////////////////////////////////////////////////
///
///   \brief Simple simulation of a component that subscribes to any Local
///          Pose Sensor data on network using JTCP.
///
///   \param[in] subsystemID Subsystem ID number.
///   \param[in] nodeID Node ID number.
///
////////////////////////////////////////////////////////////////////////////////////
int RunClient(JAUS::UShort subsystemID, JAUS::Byte nodeID)
{
    JAUS::Component component;
    JAUS::Address id(subsystemID, nodeID, 1);

    if(id.IsValid() == false)
    {
        std::cout << "Invalid JAUS ID: " << id.ToString() << std::endl;
    }

    // Setup identification data.
    component.DiscoveryService()->SetSubsystemIdentification(JAUS::Subsystem::Vehicle,
                                                             "Subscriber JTCP Tutorial");

    //  Change the transport service to use JTCP
    component.AddService(new JAUS::JTCPClient());
    //((JAUS::JTCPClient*)component.TransportService())->AddConnection("10.171.190.61", JAUS::Address(subsystemID, 1, 1));
    //((JAUS::JTCPClient*)component.TransportService())->AddConnection("127.0.0.1", JAUS::Address(subsystemID, 1, 1));

    // Add support for reading Local Pose messages without having to
    // add a custom service.
    component.TransportService()->AddMessageTemplate(new JAUS::ReportLocalPose());
    component.TransportService()->AddMessageTemplate(new JAUS::QueryLocalPose());

    // Add a callback to get messages when they arrive.
    LocalPoseCallback localPoseCallback;
    component.TransportService()->RegisterCallback(JAUS::REPORT_LOCAL_POSE, &localPoseCallback);

    // Initialize component and communication.
    if(component.Initialize(id) == false)
    {
        std::cout << "Failed to initialize JAUS component with ID: " << id.ToString() << std::endl;
        return 0;
    }

    JAUS::Time printTime(true);

    while(CxUtils::GetChar() != 27 && component.ManagementService()->GetStatus() != JAUS::Management::Status::Shutdown)
    {
        // Look for any subsystems.
        JAUS::Subsystem::Map subsystems;
        JAUS::Subsystem::Map::iterator subsystem;

        component.DiscoveryService()->GetSubsystems(subsystems);

        for(subsystem = subsystems.begin();
            subsystem != subsystems.end();
            subsystem++)
        {
            // Look for local pose sensors to subscribe to.
            JAUS::Address::List sensors = subsystem->second->GetComponentsWithService(JAUS::LocalPoseSensor::Name);
            if(sensors.size() > 0)
            {
                JAUS::Address::List::iterator id;
                for(id = sensors.begin();
                    id != sensors.end();
                    id++)
                {
                    if(*id != component.GetComponentID() && 
                       component.EventsService()->HaveSubscription(JAUS::REPORT_LOCAL_POSE, *id) == false)
                    {
                        std::cout << "Found new Local Pose Sensors on " << id->ToString() << std::endl;
                        JAUS::QueryLocalPose queryLocalPose;
                        // Request all fields.
                        queryLocalPose.SetPresenceVector(queryLocalPose.GetPresenceVectorMask());
                        component.EventsService()->RequestPeriodicEvent(*id, &queryLocalPose, 5);
                    }
                }
            }
        }

        JAUS::Subsystem::DeleteSubsystemMap(subsystems);
        // Only print to screen every now and then.
        if(JAUS::Time(true) - printTime > .5)
        {
            //std::cout << "=======================================================\n";
            //component.EventsService()->PrintStatus();
            //printTime.SetCurrentTime();
        }
        // Don't overload the CPU
        CxUtils::SleepMs(1);
    }

    // Do shutdown
    component.Shutdown();

    return 0;
}