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 testFrankaCartVelocity-3.cpp
41 
42   Test Panda robot from Franka Emika cartesian 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   std::string log_folder;
57 
58   for (int i = 1; i < argc; i++) {
59     if (std::string(argv[i]) == "--ip" && i + 1 < argc) {
60       robot_ip = std::string(argv[i + 1]);
61     }
62     else if (std::string(argv[i]) == "--log_folder" && i + 1 < argc) {
63       log_folder = std::string(argv[i + 1]);
64     }
65     else if (std::string(argv[i]) == "--help" || std::string(argv[i]) == "-h") {
66       std::cout << argv[0] << " [--ip 192.168.1.1] [--log_folder <folder>] [--help] [-h]"
67                            << "\n";
68       return EXIT_SUCCESS;
69     }
70   }
71 
72   try {
73     vpRobotFranka robot;
74     robot.connect(robot_ip);
75     robot.setLogFolder(log_folder);
76 
77     std::cout << "WARNING: This example will move the robot! "
78               << "Please make sure to have the user stop button at hand!" << std::endl
79               << "Press Enter to continue..." << std::endl;
80     std::cin.ignore();
81 
82     /*
83      * Move to a safe position
84      */
85     vpColVector q(7, 0);
86     q[3] = -M_PI_2;
87     q[5] = M_PI_2;
88     q[6] = M_PI_4;
89     std::cout << "Move to joint position: " << q.t() << std::endl;
90     robot.setPositioningVelocity(10.);
91     robot.setPosition(vpRobot::JOINT_STATE, q);
92 
93     /*
94      * Move in cartesian velocity
95      */
96     double t0 = vpTime::measureTimeSecond();
97     double delta_t = 4.0; // Time in second
98     vpColVector qdot;
99     vpColVector vc(6);
100     //      vc[0] = -0.01; // vx goes toward the user
101     //      vc[1] = 0.01; // vy goes left
102     vc[2] = 0.04; // vz goes down
103     //      vc[3] = vpMath::rad(5); // wx
104     //      vc[4] = vpMath::rad(5); // wy
105     //      vc[5] = vpMath::rad(5); // wz
106 
107     vpHomogeneousMatrix eMc;
108     robot.set_eMc(eMc);
109 
110     std::cout << "Apply cartesian vel in a loop for " << delta_t << " sec : " << vc.t() << std::endl;
111     robot.setRobotState(vpRobot::STATE_VELOCITY_CONTROL);
112     do {
113       robot.setVelocity(vpRobot::CAMERA_FRAME, vc);
114       vpTime::wait(100);
115     } while (vpTime::measureTimeSecond() - t0 < delta_t);
116 
117     //      vc[0] = -0.01; // vx goes toward the user
118     //            ve[1] = -0.01; // vy goes left
119     vc[2] = -0.02; // vz goes down
120     //      vc[3] = vpMath::rad(5); // wx
121     //      vc[4] = vpMath::rad(5); // wy
122     //      vc[5] = vpMath::rad(5); // wz
123     std::cout << "Apply cartesian vel in a loop for " << delta_t << " sec : " << vc.t() << std::endl;
124     t0 = vpTime::measureTimeSecond();
125     do {
126       robot.setVelocity(vpRobot::CAMERA_FRAME, vc);
127       vpTime::wait(100);
128     } while (vpTime::measureTimeSecond() - t0 < delta_t);
129 
130     std::cout << "Ask to stop the robot " << std::endl;
131     robot.setRobotState(vpRobot::STATE_STOP);
132   }
133   catch(const vpException &e) {
134     std::cout << "ViSP exception: " << e.what() << std::endl;
135     return EXIT_FAILURE;
136   }
137   catch(const franka::NetworkException &e) {
138     std::cout << "Franka network exception: " << e.what() << std::endl;
139     std::cout << "Check if you are connected to the Franka robot"
140               << " or if you specified the right IP using --ip command"
141               << " line option set by default to 192.168.1.1. " << std::endl;
142     return EXIT_FAILURE;
143   }
144   catch(const std::exception &e) {
145     std::cout << "Franka exception: " << e.what() << std::endl;
146     return EXIT_FAILURE;
147   }
148 
149   std::cout << "The end" << std::endl;
150   return EXIT_SUCCESS;
151 }
152 
153 #else
main()154 int main()
155 {
156   std::cout << "ViSP is not build with libfranka..." << std::endl;
157 }
158 #endif
159