1 /****************************************************************************
2  *
3  * ViSP, open source Visual Servoing Platform software.
4  * Copyright (C) 2005 - 2019 by Inria. All rights reserved.
5  *
6  * This software is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  * See the file LICENSE.txt at the root directory of this source
11  * distribution for additional information about the GNU GPL.
12  *
13  * For using ViSP with software that can not be combined with the GNU
14  * GPL, please contact Inria about acquiring a ViSP Professional
15  * Edition License.
16  *
17  * See http://visp.inria.fr for more information.
18  *
19  * This software was developed at:
20  * Inria Rennes - Bretagne Atlantique
21  * Campus Universitaire de Beaulieu
22  * 35042 Rennes Cedex
23  * France
24  *
25  * If you have questions regarding the use of this file, please contact
26  * Inria at visp@inria.fr
27  *
28  * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
29  * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
30  *
31  * Description:
32  *   Test Franka robot behavior
33  *
34  * Authors:
35  * Fabien Spindler
36  *
37  *****************************************************************************/
38 
39 /*!
40   \example testFrankaJointVelocityLimits.cpp
41 
42   Test Panda robot from Franka Emika joint velocity controller implemented in vpRobotFranka.
43 */
44 
45 #include <iostream>
46 
47 #include <visp3/core/vpConfig.h>
48 
49 #if defined(VISP_HAVE_FRANKA)
50 
51 #include <visp3/robot/vpRobotFranka.h>
52 
main(int argc,char ** argv)53 int main(int argc, char **argv)
54 {
55   std::string robot_ip = "192.168.1.1";
56 
57   for (int i = 1; i < argc; i++) {
58     if (std::string(argv[i]) == "--ip" && i + 1 < argc) {
59       robot_ip = std::string(argv[i + 1]);
60     }
61     else if (std::string(argv[i]) == "--help" || std::string(argv[i]) == "-h") {
62       std::cout << argv[0] << " [--ip 192.168.1.1] [--help] [-h]"
63                            << "\n";
64       return EXIT_SUCCESS;
65     }
66   }
67 
68   try {
69     vpRobotFranka robot;
70     robot.connect(robot_ip);
71 
72     std::cout << "WARNING: This example will move the robot! "
73               << "Please make sure to have the user stop button at hand!" << std::endl
74               << "Press Enter to continue..." << std::endl;
75     std::cin.ignore();
76 
77     /*
78      * Move to a safe position
79      */
80     vpColVector q(7, 0);
81     q[3] = -M_PI_2;
82     q[5] = M_PI_2;
83     q[6] = M_PI_4;
84     std::cout << "Move to joint position: " << q.t() << std::endl;
85     robot.setPosition(vpRobot::JOINT_STATE, q);
86 
87     std::cout << "Joint limits min: " << robot.getJointMin().t() << std::endl;
88     std::cout << "Joint limits max: " << robot.getJointMax().t() << std::endl;
89 
90     /*
91      * Move in joint velocity
92      */
93     double vel = vpMath::rad(80.);
94     vpColVector dq_d(7, 0);
95     dq_d[4] = vel;
96     double delta_t = 10.0; // Time in second
97 
98     std::cout << "Modify the maximum allowed joint velocity to: " << vel << " rad/s or " << vpMath::deg(vel) << " deg/s" << std::endl;
99     robot.setMaxRotationVelocity(vel);
100     std::cout << "Apply joint vel " << dq_d.t() << " for " << delta_t << " sec "  << std::endl;
101     robot.setRobotState(vpRobot::STATE_VELOCITY_CONTROL);
102     robot.setVelocity(vpRobot::JOINT_STATE, dq_d);
103     vpTime::wait(delta_t*1000);
104 
105     robot.getPosition(vpRobot::JOINT_STATE, q);
106     std::cout << "After " << delta_t << " sec reached joint position: " << q.t() << std::endl;
107 
108     // Move in the other direction
109     dq_d = -dq_d;
110     std::cout << "Apply joint vel " << dq_d.t() << " for " << delta_t << " sec "  << std::endl;
111     robot.setVelocity(vpRobot::JOINT_STATE, dq_d);
112     vpTime::wait(delta_t*1000);
113 
114     robot.getPosition(vpRobot::JOINT_STATE, q);
115     std::cout << "After " << delta_t << " sec reached joint position: " << q.t() << std::endl;
116 
117     // Move in the other direction
118     dq_d = -dq_d;
119     std::cout << "Apply joint vel " << dq_d.t() << " for " << delta_t << " sec "  << std::endl;
120     robot.setVelocity(vpRobot::JOINT_STATE, dq_d);
121     vpTime::wait(delta_t*1000/2.);
122 
123     robot.getPosition(vpRobot::JOINT_STATE, q);
124     std::cout << "After " << delta_t << " sec reached joint position: " << q.t() << std::endl;
125 
126     std::cout << "Stop the robot " << std::endl;
127     robot.setRobotState(vpRobot::STATE_STOP);
128   }
129   catch(const vpException &e) {
130     std::cout << "ViSP exception: " << e.what() << std::endl;
131     return EXIT_FAILURE;
132   }
133   catch(const franka::NetworkException &e) {
134     std::cout << "Franka network exception: " << e.what() << std::endl;
135     std::cout << "Check if you are connected to the Franka robot"
136               << " or if you specified the right IP using --ip command"
137               << " line option set by default to 192.168.1.1. " << std::endl;
138     return EXIT_FAILURE;
139   }
140   catch(const std::exception &e) {
141     std::cout << "Franka exception: " << e.what() << std::endl;
142     return EXIT_FAILURE;
143   }
144 
145   std::cout << "The end" << std::endl;
146   return EXIT_SUCCESS;
147 }
148 
149 #else
main()150 int main()
151 {
152   std::cout << "ViSP is not build with libfranka..." << std::endl;
153 }
154 #endif
155