Esempio n. 1
0
void SensorDetectPopup::popupClosed(ArTypes::Byte4 popupID, int button)
{
  // A client closed the popup
  ArLog::log(ArLog::Normal, "popupExample: a client closed popup dialog window with id=%d. Button=%d...", popupID, button);
  myPopupDisplayed = false;

  if(button < 0)
  {
    ArLog::log(ArLog::Normal, "\t...popup timed out or closed due to an error.");
    return;
  }

  if (button == 0)
  {
    ArLog::log(ArLog::Normal, "\t...OK pressed.");
    return;
  }

  if(button == 1)
  {
    ArLog::log(ArLog::Normal, "\t...180 degree rotate requested.");
    myRobot->lock();
    myRobot->setDeltaHeading(180);
    myRobot->unlock();
    return;
  }

  if(button == 2)
  {
    ArLog::log(ArLog::Normal, "\t...exit requested.");
    myRobot->stopRunning();
    Aria::shutdown();
    Aria::exit(0);
  }
}
ArActionDesired* ActionReadSonar::fire(ArActionDesired currentDesired)
{


	ArRobot *robot = this->getRobot();
	
	int total = robot->getNumSonar(); // get the total number of sonar on the robot
	ArSensorReading* value; // This class abstracts range and angle read from sonar

	//cout << " 0 : " << robot->getSonarReading(0)->getSensorTh() << " 1 : " << robot->getSonarReading(1)->getSensorTh() 
	//	 << " 2 : " << robot->getSonarReading(2)->getSensorTh() << " 3 : " << robot->getSonarReading(3)->getSensorTh()
	//	 << " 4 : " << robot->getSonarReading(4)->getSensorTh() << " 5 : " << robot->getSonarReading(5)->getSensorTh()
	//	 << " 6 : " << robot->getSonarReading(6)->getSensorTh() << " 7 : " << robot->getSonarReading(7)->getSensorTh()
		 
	//	 << "r :" << robot->getTh() << endl;


	double limit = 800;
	double distance;

	// reset the actionDesired (must be done), to clear
	// its previous values.
	myDesired.reset();

	// if the sonar is null we can't do anything, so deactivate
	if (mySonar == NULL)
	{
		deactivate();
		return NULL;
	}

	// gets value of object between -20 degrees and 20 degrees of foward
	double angle = 0;
	distance = mySonar->currentReadingPolar(-20, 20, &angle);
	//cout << "distance from nearest object =" << distance << endl;
	

	if (distance <= limit) {
		int heading = 15;

		//cout << "angle :" << angle << endl;
		if (angle > 10) {
			heading = -heading;
		}
		else if (angle < -10) {
			heading = heading;
		}
		
		//cout << "x" << robot->getX() << " ," << robot->getY() << endl;
		cout << "distance from nearest object =" << distance << endl;

		
		robot->lock();
		robot->setVel(0);
		robot->unlock();

		robot->lock();
		robot->setDeltaHeading(heading);
		robot->unlock();

		ArUtil::sleep(50);
	}

	return &myDesired;
}
Esempio n. 3
0
int main(int argc, char **argv) 
{
	struct settings robot_settings;

	robot_settings.min_distance = 500;
	robot_settings.max_velocity = 500;
	robot_settings.tracking_factor = 1.0;

	ArRobot robot;
	Aria::init();
	//laser
	int ret; //Don't know what this variable is for
	ArSick sick; // Laser scanner
	ArSerialConnection laserCon; // Scanner connection
	std::string str; // Standard output
	// sonar, must be added to the robot
	ArSonarDevice sonar;
	// add the sonar to the robot
	robot.addRangeDevice(&sonar);
	// add the laser to the robot
	robot.addRangeDevice(&sick);

	ArArgumentParser argParser(&argc, argv);
	ArSimpleConnector con(&argParser);

	// the connection handler from above
	ConnHandler ch(&robot);

	if(!Aria::parseArgs())
	{
		Aria::logOptions();
		Aria::shutdown();
		return 1;
	}
	if(!con.connectRobot(&robot))
	{
		ArLog::log(ArLog::Normal, "directMotionExample: Could not connect to the robot. Exiting.");
		return 1;
	}
	ArLog::log(ArLog::Normal, "directMotionExample: Connected.");
	robot.runAsync(false);

	///////////////////////////////
	// Attempt to connect to SICK using another hard-coded USB connection
	sick.setDeviceConnection(&laserCon);
	if((ret=laserCon.open("/dev/ttyUSB1")) !=0){
		//If connection fails, shutdown
		Aria::shutdown();
		return 1;
	}
	//Configure the SICK
	sick.configureShort(false,/*not using sim*/ArSick::BAUD38400,ArSick::DEGREES180,ArSick::INCREMENT_HALF);
	//Run the sick
	sick.runAsync();
	// Presumably test to make sure that the connection is good
	if(!sick.blockingConnect()){
		printf("Could not get sick...exiting\n");
		Aria::shutdown();
		return 1; 
	}
	printf("We are connected to the laser!");

	printf("\r\nRobot Entering default resting state.\r\nUse the following commands to run the robot.\r\n");
	printf("r  Run the robot\r\n");
	printf("s  Stop the robot\r\n");
	printf("t  Enter test mode (the robot will do everything except actually move.\r\n");
	printf("w  Save current data to files, and show a plot of what the robot sees.\r\n");
	printf("e  Edit robot control parameters\r\n");
	printf("q  Quit the program\r\n");

	printf("\r\n");
	printf("\r\n");
	printf("NOTE: You must have GNUPLOT installed on your computer, and create a directory entitled 'scan_data' under your current directory in order to use this script. Failure to do so might make the computer crash, which would cause the robot to go on a mad killing spree! Not really, but seriously, go ahead and get GNUPLOT and create that subdirectory before using the 'w' option.\r\n\r\n"); 

	/////////////////////////////////////
	char user_command = 0;
	char plot_option = 0;

	int robot_state = REST;

	tracking_object target;
	tracking_object l_target;

	ofstream fobjects;
	ofstream ftarget;
	ofstream flog;
	ofstream fltarget;


	fobjects.open("./scan_data/objects_new.txt");
	ftarget.open("./scan_data/target_new.txt");
	fltarget.open("./scan_data/ltarget_new.txt");
	fobjects << "\r\n";
	ftarget << "\r\n";
	fltarget << "\r\n";
	fobjects.close();
	ftarget.close();
	fltarget.close();

	flog.open("robot_log.txt");

	std::vector<tracking_object> obj_vector;
	std::vector<tracking_object> new_vector;


	float last_v = 0;

	ArTime start;



	char test_flag = 0;
	char target_lost = 0;


	while(user_command != 'q')
	{
		switch (user_command)
		{
		case STOP:
			robot_state = REST;
			printf("robot has entered resting mode\r\n");

			break;
		case RUN:
			robot_state = TRACKING;
			printf("robot has entered tracking mode\r\n");
			break;
		case QUIT:
			robot_state = -1;
			printf("exiting... goodbye.\r\n");
			break;
		case WRITE:
			plot_option = WRITE;
			break;
		case NO_WRITE:
			plot_option = NO_WRITE;
			break;
		case TEST:
			if(test_flag == TEST)
			{
				test_flag = 0;
				printf("Exiting test mode\r\n");
			}
			else
			{
				test_flag = TEST;
				printf("Entering test mode\r\n");
				robot.lock();
				robot.setVel(0);
				robot.unlock();
			}
			break;

		case EDIT:
			edit_settings(&robot_settings);
			break;

		default:
			robot_state = robot_state;
		}


		unsigned int i = 0;
		unsigned int num_objects = 0;
		int to_ind = -1;
		float min_distance = 999999.9;
		float new_heading = 0;

		system("mv ./scan_data/objects_new.txt ./scan_data/objects.txt");
		system("mv ./scan_data/target_new.txt ./scan_data/target.txt");
		system("mv ./scan_data/ltarget_new.txt ./scan_data/ltarget.txt");

		fobjects.open("./scan_data/objects_new.txt");
		ftarget.open("./scan_data/target_new.txt");
		fltarget.open("./scan_data/ltarget_new.txt");

		switch (robot_state)
		{
		case REST:
			robot.lock();
			robot.setVel(0);
			robot.unlock();

			obj_vector = run_sick_scan(&sick, 2, plot_option);

			target_lost = 0;
			num_objects = obj_vector.size();
			if(num_objects > 0)
			{

				for(i = 0; i < num_objects; i++)
				{
					print_object_to_stream(obj_vector[i], fobjects);	
				}
			}

			break;

		case TRACKING:
			flog << "TRACKING\r\n";

			obj_vector = get_moving_objects(&sick, 2*DT, 10, plot_option);
			num_objects = obj_vector.size();

			target_lost = 0;

			if(min_range(&sick, 45, 135) > ROBOT_SAFETY_MARGIN)
			{
				if(num_objects)
				{
 					for(i = 0; i < obj_vector.size();i++)
					{	
						print_object_to_stream(obj_vector[i], fobjects);
						if(obj_vector[i].vmag > 0.1)
						{	
							if(obj_vector[i].distance < min_distance)
							{
								min_distance = obj_vector[i].distance;
								target = obj_vector[i];
								to_ind = i;
							}
						}
					}

					if(to_ind > -1)
					{
						int l_edge = target.l_edge;
						int r_edge = target.r_edge;
						float difference = 9999999.9;

// Do another scan to make sure the object is actually there.
						new_vector = get_moving_objects(&sick, DT, 10, 0, 5, 175);

						num_objects = new_vector.size();
						to_ind = -1;
						if(num_objects)
						{
							for(i = 0; i < num_objects;i++)
							{
								if(new_vector[i].vmag > 0.1)
								{	
									if(r_diff(target, new_vector[i])<difference)
									{
										difference = r_diff(target, new_vector[i]);
										if(difference < 500.0)
											to_ind = i;
									}
								}
							}
						}

						if(to_ind > -1)
						{
							new_heading = (-90 + new_vector[to_ind].degree);

							if(test_flag != TEST)
							{
								robot.lock();
								robot.setDeltaHeading(new_heading);
								robot.unlock();
							}

							robot_state = FOLLOWING;
							target = new_vector[to_ind];

							target.degree = target.degree - new_heading;


							print_object_to_stream(target, ftarget);

							print_object_to_stream(target, flog);
							flog << new_heading;
						}

					}
				}
			}
			else		      
			{
				robot_state = TOO_CLOSE;
				printf("I'm too close to an obstacle, and I'm getting claustrophobic! I'm going to slowly back up now.\r\n");
			}



			break;

		case FOLLOWING:
		{
			flog << "FOLLOWING\r\n";

			i = 0;
			int to_ind = -1;
			float obj_difference = 9999999.9;
			int num_scans = 0;

			if(min_range(&sick, 45, 135) > ROBOT_SAFETY_MARGIN)
			{
				while((num_scans < 3)&&(to_ind == -1))
				{
					obj_vector = run_sick_scan(&sick, 2, 0, 10, 350);
					num_objects = obj_vector.size();
					if(num_objects)
					{
						for(i = 0; i < num_objects;i++)
						{	
							if(r_diff(target, obj_vector[i]) < obj_difference)
							{	
								obj_difference = r_diff(target, obj_vector[i]);
								if (obj_difference < 500.0)
									to_ind = i;

							}
						}

						for(i = 0; i < num_objects;i++)
						{	
							if((int)i == to_ind)
							{
								print_object_to_stream(obj_vector[i], ftarget);
							}
							else
							{
								print_object_to_stream(obj_vector[i], fobjects);
							}
						}
					}
					num_scans++;
				}

				float new_vel = 0;

				if(to_ind > -1)
				{
					printf("Tracking target\r\n");
					flog << "Following target\t";

					target_lost = 0;

					target = obj_vector[to_ind];

					new_vel = (obj_vector[to_ind].distance - robot_settings.min_distance)*robot_settings.tracking_factor;
					if(new_vel < 0)
						new_vel = 0;

					if(new_vel > robot_settings.max_velocity)
						new_vel = robot_settings.max_velocity;

					new_heading = (-90 + target.degree)*0.25;
					new_heading = get_safe_path(&sick, new_heading, target.distance);

					if(test_flag != TEST)
					{
						robot.lock();
						robot.setVel(new_vel);
						robot.unlock();

						last_v = new_vel;

						robot.lock();
						robot.setDeltaHeading(new_heading);
						robot.unlock();
						target.degree = target.degree - new_heading;
					}
					if(new_vel < 1.0)
					{
						robot_state = TRACKING;
						printf("entering tracking mode\r\n");
						flog<<"entering tracking mode\r\n";
					}

				}
				else		      
				{
					if(target_lost)
					{
						
						l_target.distance = l_target.distance - last_v*(start.mSecSince()/1000.0);
 
						int temp_max_v = min_range(&sick, 5, 175);
						if(temp_max_v < last_v)
							last_v = temp_max_v;

						if(last_v > robot_settings.max_velocity)
							last_v = robot_settings.max_velocity;

						if(test_flag != TEST)
						{

							robot.lock();
							robot.setVel(last_v);
							robot.unlock();


							new_heading = -90.0 + l_target.degree;
							new_heading = get_safe_path(&sick, new_heading, l_target.distance);

							l_target.degree = target.degree - new_heading;

							robot.lock();
							robot.setDeltaHeading(new_heading);
							robot.unlock();
						}

						print_object_to_stream(l_target, fltarget);



					}
					else
					{
						target_lost = 1;
						l_target = target;
					}

					printf("target lost\r\n");
					flog << "target lost\r\n";
					start.setToNow();

					if(target.distance < ROBOT_SAFETY_MARGIN)
					{
						robot_state = TRACKING;
						target_lost = 0;
					}

					target_lost = 1;

				}
				printf("Velocity: %f\t",last_v);
				flog << "Velocity:\t";
				flog << last_v;

				printf("Heading: %f\t",new_heading);
				flog << "\tHeading\t";
				flog << new_heading;
				flog << "\r\n";
				printf("\r\n");

			}		
			else		      
			{
				robot_state = TOO_CLOSE;
				printf("I'm too close to an obstacle, and I'm getting claustrophobic! I'm going to slowly back up now.\r\n");
			}

			break;



		}

		case TOO_CLOSE:
		{
			flog << "Too close\r\n";
			if(min_range(&sick, 45, 135) > (ROBOT_SAFETY_MARGIN + 100))
			{		
				robot_state = TRACKING;
				printf("I feel better now! I'm going to reenter tracking mode.\r\n");
				robot.lock();
				robot.setVel(0);
				robot.unlock();
			}
			else
			{
				if(test_flag != TEST)
				{
					printf("Backing up...\r\n");
					robot.lock();
					robot.setVel(-50);
					robot.unlock();
				}

			}
			break;
 		}

		}

		fobjects.close();
		ftarget.close();
		fltarget.close();


		if(plot_option == WRITE)
		{
			system("./scan_data/plot_script.sh >/dev/null");
		}







////////////////////////////////////////////////////////////////////// 
// Everything past this point is code to grab the user input
		user_command = 0;


		fd_set rfds;
		struct timeval tv;
		int retval;

		FD_ZERO(&rfds);
		FD_SET(0, &rfds);

		tv.tv_sec = 0;
		tv.tv_usec = 100;

		retval = select(1, &rfds, NULL, NULL, &tv);

		if(retval == -1)
			perror("select()");
		else if(retval)
		{
			cin >> user_command;
			printf("input detected from user\r\n");
		}

		plot_option = NO_WRITE;
//////////////////////////////////////////////////////////////////////
		
	}
	flog.close();
	Aria::shutdown();
	printf("Shutting down");
	return 0;
}
int main(int argc, char **argv) 
{
  Aria::init();
  
  ArArgumentParser argParser(&argc, argv);

  ArSimpleConnector con(&argParser);

  ArRobot robot;

  // the connection handler from above
  ConnHandler ch(&robot);

  if(!Aria::parseArgs())
  {
    Aria::logOptions();
    Aria::shutdown();
    return 1;
  }

  if(!con.connectRobot(&robot))
  {
    ArLog::log(ArLog::Normal, "directMotionExample: Could not connect to the robot. Exiting.");
    return 1;
  }

  ArLog::log(ArLog::Normal, "directMotionExample: Connected.");

  // Run the robot processing cycle in its own thread. Note that after starting this
  // thread, we must lock and unlock the ArRobot object before and after
  // accessing it.
  robot.runAsync(false);


  // Send the robot a series of motion commands directly, sleeping for a 
  // few seconds afterwards to give the robot time to execute them.
  printf("directMotionExample: Setting rot velocity to 100 deg/sec then sleeping 3 seconds\n");
  robot.lock();
  robot.setRotVel(100);
  robot.unlock();
  ArUtil::sleep(3*1000);
  printf("Stopping\n");
  robot.lock();
  robot.setRotVel(0);
  robot.unlock();
  ArUtil::sleep(200);

  printf("directMotionExample: Telling the robot to go 300 mm on left wheel and 100 mm on right wheel for 5 seconds\n");
  robot.lock();
  robot.setVel2(300, 100);
  robot.unlock();
  ArTime start;
  start.setToNow();
  while (1)
  {
    robot.lock();
    if (start.mSecSince() > 5000)
    {
      robot.unlock();
      break;
    }   
    robot.unlock();
    ArUtil::sleep(50);
  }
  
  printf("directMotionExample: Telling the robot to move forwards one meter, then sleeping 5 seconds\n");
  robot.lock();
  robot.move(1000);
  robot.unlock();
  start.setToNow();
  while (1)
  {
    robot.lock();
    if (robot.isMoveDone())
    {
      printf("directMotionExample: Finished distance\n");
      robot.unlock();
      break;
    }
    if (start.mSecSince() > 5000)
    {
      printf("directMotionExample: Distance timed out\n");
      robot.unlock();
      break;
    }   
    robot.unlock();
    ArUtil::sleep(50);
  }
  printf("directMotionExample: Telling the robot to move backwards one meter, then sleeping 5 seconds\n");
  robot.lock();
  robot.move(-1000);
  robot.unlock();
  start.setToNow();
  while (1)
  {
    robot.lock();
    if (robot.isMoveDone())
    {
      printf("directMotionExample: Finished distance\n");
      robot.unlock();
      break;
    }
    if (start.mSecSince() > 10000)
    {
      printf("directMotionExample: Distance timed out\n");
      robot.unlock();
      break;
    }
    robot.unlock();
    ArUtil::sleep(50);
  }
  printf("directMotionExample: Telling the robot to turn to 180, then sleeping 4 seconds\n");
  robot.lock();
  robot.setHeading(180);
  robot.unlock();
  start.setToNow();
  while (1)
  {
    robot.lock();
    if (robot.isHeadingDone(5))
    {
      printf("directMotionExample: Finished turn\n");
      robot.unlock();
      break;
    }
    if (start.mSecSince() > 5000)
    {
      printf("directMotionExample: Turn timed out\n");
      robot.unlock();
      break;
    }
    robot.unlock();
    ArUtil::sleep(100);
  }
  printf("directMotionExample: Telling the robot to turn to 90, then sleeping 2 seconds\n");
  robot.lock();
  robot.setHeading(90);
  robot.unlock();
  start.setToNow();
  while (1)
  {
    robot.lock();
    if (robot.isHeadingDone(5))
    {
      printf("directMotionExample: Finished turn\n");
      robot.unlock();
      break;
    }
    if (start.mSecSince() > 5000)
    {
      printf("directMotionExample: turn timed out\n");
      robot.unlock();
      break;
    }
    robot.unlock();
    ArUtil::sleep(100);
  }
  printf("directMotionExample: Setting vel2 to 200 mm/sec on both wheels, then sleeping 3 seconds\n");
  robot.lock();
  robot.setVel2(200, 200);
  robot.unlock();
  ArUtil::sleep(3000);
  printf("directMotionExample: Stopping the robot, then sleeping for 2 seconds\n");
  robot.lock();
  robot.stop();
  robot.unlock();
  ArUtil::sleep(2000);
  printf("directMotionExample: Setting velocity to 200 mm/sec then sleeping 3 seconds\n");
  robot.lock();
  robot.setVel(200);
  robot.unlock();
  ArUtil::sleep(3000);
  printf("directMotionExample: Stopping the robot, then sleeping for 2 seconds\n");
  robot.lock();
  robot.stop();
  robot.unlock();
  ArUtil::sleep(2000);
  printf("directMotionExample: Setting vel2 with 0 on left wheel, 200 mm/sec on right, then sleeping 5 seconds\n");
  robot.lock();
  robot.setVel2(0, 200);
  robot.unlock();
  ArUtil::sleep(5000);
  printf("directMotionExample: Telling the robot to rotate at 50 deg/sec then sleeping 5 seconds\n");
  robot.lock();
  robot.setRotVel(50);
  robot.unlock();
  ArUtil::sleep(5000);
  printf("directMotionExample: Telling the robot to rotate at -50 deg/sec then sleeping 5 seconds\n");
  robot.lock();
  robot.setRotVel(-50);
  robot.unlock();
  ArUtil::sleep(5000);
  printf("directMotionExample: Setting vel2 with 0 on both wheels, then sleeping 3 seconds\n");
  robot.lock();
  robot.setVel2(0, 0);
  robot.unlock();
  ArUtil::sleep(3000);
  printf("directMotionExample: Now having the robot change heading by -125 degrees, then sleeping for 6 seconds\n");
  robot.lock();
  robot.setDeltaHeading(-125);
  robot.unlock();
  ArUtil::sleep(6000);
  printf("directMotionExample: Now having the robot change heading by 45 degrees, then sleeping for 6 seconds\n");
  robot.lock();
  robot.setDeltaHeading(45);
  robot.unlock();
  ArUtil::sleep(6000);
  printf("directMotionExample: Setting vel2 with 200 on left wheel, 0 on right wheel, then sleeping 5 seconds\n");
  robot.lock();
  robot.setVel2(200, 0);
  robot.unlock();
  ArUtil::sleep(5000);

  printf("directMotionExample: Done, shutting down Aria and exiting.\n");
  Aria::shutdown();
  return 0;
}