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 #ifndef PR2_JOINT_CALIBRATION_CONTROLLER 00036 #define PR2_JOINT_CALIBRATION_CONTROLLER 00037 00038 #include "ros/node_handle.h" 00039 #include "pr2_mechanism_model/robot.h" 00040 #include "robot_mechanism_controllers/joint_velocity_controller.h" 00041 #include "realtime_tools/realtime_publisher.h" 00042 #include "std_msgs/Empty.h" 00043 #include "pr2_controllers_msgs/QueryCalibrationState.h" 00044 00045 00046 namespace controller 00047 { 00048 00049 class JointCalibrationController : public pr2_controller_interface::Controller 00050 { 00051 public: 00052 JointCalibrationController(); 00053 virtual ~JointCalibrationController(); 00054 00055 virtual bool init(pr2_mechanism_model::RobotState *robot, ros::NodeHandle &n); 00056 virtual void starting(); 00057 virtual void update(); 00058 00059 bool isCalibrated(pr2_controllers_msgs::QueryCalibrationState::Request& req, pr2_controllers_msgs::QueryCalibrationState::Response& resp); 00060 00061 00062 protected: 00063 pr2_mechanism_model::RobotState* robot_; 00064 ros::NodeHandle node_; 00065 ros::Time last_publish_time_; 00066 ros::ServiceServer is_calibrated_srv_; 00067 boost::scoped_ptr<realtime_tools::RealtimePublisher<std_msgs::Empty> > pub_calibrated_; 00068 00069 enum { INITIALIZED, BEGINNING, MOVING_TO_LOW, MOVING_TO_HIGH, CALIBRATED }; 00070 int state_; 00071 int countdown_; 00072 00073 double search_velocity_; 00074 double original_position_; 00075 00076 pr2_hardware_interface::Actuator *actuator_; 00077 pr2_mechanism_model::JointState *joint_; 00078 pr2_mechanism_model::Transmission *transmission_; 00079 00080 controller::JointVelocityController vc_; 00081 }; 00082 00083 } 00084 00085 00086 #endif