$search
00001 /********************************************************************* 00002 * Software License Agreement (BSD License) 00003 * 00004 * Copyright (c) 2008, Willow Garage, Inc. 00005 * All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 00011 * * Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * * Redistributions in binary form must reproduce the above 00014 * copyright notice, this list of conditions and the following 00015 * disclaimer in the documentation and/or other materials provided 00016 * with the distribution. 00017 * * Neither the name of the Willow Garage nor the names of its 00018 * contributors may be used to endorse or promote products derived 00019 * from this software without specific prior written permission. 00020 * 00021 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00022 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00023 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00024 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00025 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00026 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00027 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00028 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00029 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00030 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00031 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00032 * POSSIBILITY OF SUCH DAMAGE. 00033 *********************************************************************/ 00034 /* 00035 * 00036 */ 00037 #ifndef JOINT_H 00038 #define JOINT_H 00039 00040 #include <tinyxml.h> 00041 #include <urdf_interface/joint.h> 00042 00043 00044 namespace pr2_mechanism_model { 00045 00046 class JointState; 00047 00048 class JointStatistics 00049 { 00050 public: 00051 JointStatistics():odometer_(0.0), min_position_(0), max_position_(0), 00052 max_abs_velocity_(0.0), max_abs_effort_(0.0), 00053 violated_limits_(false), initialized_(false){} 00054 00055 void update(JointState* s); 00056 void reset(); 00057 00058 double odometer_; 00059 double min_position_, max_position_; 00060 double max_abs_velocity_; 00061 double max_abs_effort_; 00062 bool violated_limits_; 00063 00064 private: 00065 bool initialized_; 00066 double old_position_; 00067 }; 00068 00069 00070 00071 class JointState 00072 { 00073 public: 00075 void enforceLimits(); 00076 00078 void getLimits(double &effort_low, double &effort_high); 00079 00081 boost::shared_ptr<const urdf::Joint> joint_; 00082 00084 double position_; 00085 00087 double velocity_; 00088 00090 double measured_effort_; 00091 00092 // joint statistics 00093 JointStatistics joint_statistics_; 00094 00096 double commanded_effort_; 00097 00099 bool calibrated_; 00100 00102 double reference_position_; 00103 00105 JointState() : position_(0.0), velocity_(0.0), measured_effort_(0.0), 00106 commanded_effort_(0.0), calibrated_(false), reference_position_(0.0){} 00107 }; 00108 00109 enum 00110 { 00111 JOINT_NONE, 00112 JOINT_ROTARY, 00113 JOINT_CONTINUOUS, 00114 JOINT_PRISMATIC, 00115 JOINT_FIXED, 00116 JOINT_PLANAR, 00117 JOINT_TYPES_MAX 00118 }; 00119 00120 00121 } 00122 00123 #endif /* JOINT_H */