00001 /****************************************************************************** 00002 * Software License Agreement (BSD License) 00003 * 00004 * Copyright (c) 2015, Michal Drwiega (drwiega.michal@gmail.com) 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 are met: 00009 * 1. Redistributions of source code must retain the above copyright 00010 * notice, this list of conditions and the following disclaimer. 00011 * 2. Redistributions in binary form must reproduce the above copyright 00012 * notice, this list of conditions and the following disclaimer in the 00013 * documentation and/or other materials provided with the distribution. 00014 * 3. Neither the name of the copyright holder nor the names of its 00015 * contributors may be used to endorse or promote products derived 00016 * from this software without specific prior written permission. 00017 * 00018 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00019 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00020 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00021 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 00022 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00023 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 00024 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00025 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00026 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00027 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00029 *****************************************************************************/ 00037 #ifndef CLIFF_DETECTOR_NODE 00038 #define CLIFF_DETECTOR_NODE 00039 00040 #include <ros/ros.h> 00041 #include <image_transport/image_transport.h> 00042 #include <boost/thread/mutex.hpp> 00043 #include <opencv2/highgui/highgui.hpp> 00044 #include <opencv2/imgproc/imgproc.hpp> 00045 #include <cv_bridge/cv_bridge.h> 00046 00047 #include <sensor_msgs/Image.h> 00048 #include <std_msgs/Float64.h> 00049 #include <sensor_msgs/image_encodings.h> 00050 #include <depth_nav_msgs/Point32List.h> 00051 00052 #include <dynamic_reconfigure/server.h> 00053 #include <cliff_detector/CliffDetectorConfig.h> 00054 00055 #include <cliff_detector/cliff_detector.h> 00056 00057 namespace cliff_detector 00058 { 00059 class CliffDetectorNode 00060 { 00061 public: 00062 CliffDetectorNode(ros::NodeHandle& n, ros::NodeHandle& pnh); 00063 ~CliffDetectorNode(); 00069 void setNodeRate(const unsigned int rate); 00074 unsigned int getNodeRate(); 00075 00076 private: // Private methods 00086 void depthCb( const sensor_msgs::ImageConstPtr& depth_msg, 00087 const sensor_msgs::CameraInfoConstPtr& info_msg); 00096 void connectCb(); 00104 void disconnectCb(); 00113 void reconfigureCb(cliff_detector::CliffDetectorConfig& config, 00114 uint32_t level); 00115 00116 private: // Private fields 00117 // Node loop frequency in Hz 00118 unsigned int node_rate_hz_; 00120 ros::NodeHandle pnh_; 00122 image_transport::ImageTransport it_; 00124 image_transport::CameraSubscriber sub_; 00126 image_transport::Publisher pub_; 00128 ros::Publisher pub_points_; 00130 dynamic_reconfigure::Server<cliff_detector::CliffDetectorConfig> reconf_srv_; 00132 cliff_detector::CliffDetector detector_; 00134 boost::mutex connection_mutex_; 00135 }; 00136 }; 00137 00138 #endif