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 testFrankaJointVelocity-3.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 /*
88 * Move in joint velocity
89 */
90 vpColVector dq_d(7, 0);
91 dq_d[0] = vpMath::rad(-2.);
92 dq_d[1] = vpMath::rad(3.);
93 dq_d[2] = vpMath::rad(-4.);
94 dq_d[3] = vpMath::rad(3.);
95 dq_d[4] = vpMath::rad(-3.);
96 dq_d[5] = vpMath::rad(4.);
97 dq_d[6] = vpMath::rad(6.);
98 double t0 = vpTime::measureTimeSecond();
99 double delta_t = 4.0; // Time in second
100
101 std::cout << "Apply joint vel in a loop for " << delta_t << " sec : " << dq_d.t() << std::endl;
102 robot.setRobotState(vpRobot::STATE_VELOCITY_CONTROL);
103
104 int n_increment = 100;
105 double delta_dq_d_max = vpMath::rad(5.);
106 do {
107 vpColVector dq_d_(7, 0);
108
109 for (int inc=0; inc < n_increment; inc ++) {
110 if (vpTime::measureTimeSecond() - t0 < (1+inc) * delta_t / n_increment ) {
111 for (size_t i=0; i < 7; i++) {
112 if (dq_d[i] < 0)
113 dq_d_[i] = dq_d[i] - inc * delta_dq_d_max/(n_increment);
114 else
115 dq_d_[i] = dq_d[i] + inc * delta_dq_d_max/(n_increment);
116
117 }
118 break;
119 }
120 }
121 robot.setVelocity(vpRobot::JOINT_STATE, dq_d_);
122
123 vpTime::wait(10);
124 } while (vpTime::measureTimeSecond() - t0 < delta_t);
125
126 for (size_t i=0; i < 7; i++)
127 dq_d[i] = -dq_d[i];
128
129 std::cout << "Apply new joint vel for " << delta_t << " sec : " << dq_d.t() << std::endl;
130 robot.setVelocity(vpRobot::JOINT_STATE, dq_d);
131 vpTime::wait(4*1000);
132
133 std::cout << "Ask to stop the robot " << std::endl;
134 robot.setRobotState(vpRobot::STATE_STOP);
135 }
136 catch(const vpException &e) {
137 std::cout << "ViSP exception: " << e.what() << std::endl;
138 return EXIT_FAILURE;
139 }
140 catch(const franka::NetworkException &e) {
141 std::cout << "Franka network exception: " << e.what() << std::endl;
142 std::cout << "Check if you are connected to the Franka robot"
143 << " or if you specified the right IP using --ip command"
144 << " line option set by default to 192.168.1.1. " << std::endl;
145 return EXIT_FAILURE;
146 }
147 catch(const std::exception &e) {
148 std::cout << "Franka exception: " << e.what() << std::endl;
149 return EXIT_FAILURE;
150 }
151
152 std::cout << "The end" << std::endl;
153 return EXIT_SUCCESS;
154 }
155
156 #else
main()157 int main()
158 {
159 std::cout << "ViSP is not build with libfranka..." << std::endl;
160 }
161 #endif
162