00001 /* 00002 * Copyright (c) 2009, Willow Garage, Inc. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions are met: 00007 * 00008 * * Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * * Redistributions in binary form must reproduce the above copyright 00011 * notice, this list of conditions and the following disclaimer in the 00012 * documentation and/or other materials provided with the distribution. 00013 * * Neither the name of the Willow Garage, Inc. nor the names of its 00014 * contributors may be used to endorse or promote products derived from 00015 * this software without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00018 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00021 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00022 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00023 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00024 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00025 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00026 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00027 * POSSIBILITY OF SUCH DAMAGE. 00028 */ 00029 00030 #include "control_toolbox/pid_gains_setter.h" 00031 00032 namespace control_toolbox { 00033 00034 PidGainsSetter::~PidGainsSetter() 00035 { 00036 serve_set_gains_.shutdown(); 00037 } 00038 00039 PidGainsSetter& PidGainsSetter::add(Pid *pid) 00040 { 00041 assert(pid); 00042 pids_.push_back(pid); 00043 return *this; 00044 } 00045 00046 void PidGainsSetter::advertise(const ros::NodeHandle &n) 00047 { 00048 node_ = n; 00049 serve_set_gains_ = node_.advertiseService("set_gains", &PidGainsSetter::setGains, this); 00050 } 00051 00052 bool PidGainsSetter::setGains(control_toolbox::SetPidGains::Request &req, 00053 control_toolbox::SetPidGains::Response &resp) 00054 { 00055 for (size_t i = 0; i < pids_.size(); ++i) 00056 pids_[i]->setGains(req.p, req.i, req.d, req.i_clamp, -req.i_clamp); 00057 node_.setParam("p", req.p); 00058 node_.setParam("i", req.i); 00059 node_.setParam("d", req.d); 00060 node_.setParam("i_clamp", req.i_clamp); 00061 return true; 00062 } 00063 00064 }