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2012-11-24 17:53:06 -0500	commented answer	Cannot ouput string service via ROS_INFO Thank you!
2012-11-24 16:45:01 -0500	asked a question	Cannot ouput string service via ROS_INFO I have a service of type string, my server simply responds with a string. I am trying to implement my client to simply call the service and ROS_INFO out the response. However, when I try to compile I get an error on the line where I am doing the ROS_INFO output. The error is: error: cannot pass objects of non-trivially-copyable type ‘struct std::basic_string<char>’ through ‘...’ Here is my code: parallax_eddie_robot::get_version srv; if(get_version_client_.call(srv)) { ROS_INFO("%s",srv.response.version); } I don't know why it thinks my service is returning a struct because my service file (myservice.srv) is only for a string. It looks like this: string version
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2012-11-24 10:44:23 -0500	answered a question	no matching function for call to ‘ros::NodeHandle::advertiseService(const char [12], bool (Eddie::)(), Eddie const)’ Fixed it! Long story short, I forgot to include the header for my service in my header file. Thanks for everyone's answers!
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2012-11-22 12:24:46 -0500	commented question	no matching function for call to ‘ros::NodeHandle::advertiseService(const char [12], bool (Eddie::)(), Eddie const)’ Thanks petermilani. However, I am still getting the "‘parallax_eddie_robot’ has not been declared" error. As well as "error: ‘bool Eddie::get_board_version’ is not a static member of ‘class Eddie'". Also an error saying that my parameters for the get_version_function 'was not declared in this scope'
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2012-11-21 13:16:51 -0500	commented question	no matching function for call to ‘ros::NodeHandle::advertiseService(const char [12], bool (Eddie::)(), Eddie const)’ However, I still get the same error along with new errors: I will put the list of errors above by editing the original post.
2012-11-21 13:12:44 -0500	commented question	no matching function for call to ‘ros::NodeHandle::advertiseService(const char [12], bool (Eddie::)(), Eddie const)’ I made the necessary changes and made my get_board_version function take in the necessary parameters so the function signature looks like the following: bool get_board_version(parallax_eddie_robot::get_version::Request &req, parallax_eddie_robot::get_version::Response &res);
2012-11-21 11:53:08 -0500	asked a question	no matching function for call to ‘ros::NodeHandle::advertiseService(const char [12], bool (Eddie::)(), Eddie const)’ Hi I am getting the following error: `*error: no matching function for call to ‘ros::NodeHandle::advertiseService(const char [12], bool (Eddie::)(), Eddie* const)’` Below is the code: This is my eddie.cpp class: include eddie.h Eddie::Eddie(){ / get_version_srv is a ros::ServiceServer declared in my .h file // node_ is a ros::NodeHandle declared in my .h file get_version_srv = node_.advertiseService("get_version", &Eddie::get_board_version, this); node_handle_.param<std::string>("serial_port", port, port); } Eddie::~Eddie() } bool Eddie::get_board_version(parallax_eddie_robot::get_version::Request &req, parallax_eddie_robot::get_version::Response &res) /DO STUFF eturn true; //MAIN FUNCTION int main(int argc, char argv) OS_INFO("Initializing the robot's control board"); os::init(argc, argv, "parallax_board"); ddie eddie; os::Rate loop_rate(10); eturn 0; Here is my eddie.h file:* fndef _EDDIE_H define _EDDIE_H include ros/ros.h include fcntl.h include termios.h include semaphore.h include string include sstream include map class Eddie { public: Eddie(); virtual ~Eddie(); private: sem_t mutex; struct termios tio; int tty_fd; ros::NodeHandle node_handle_; ros::ServiceServer get_version_srv_; bool get_board_version(parallax_eddie_robot::get_version::Request &req, parallax_eddie_robot::get_version::Response &res); }; endif With the new changes described in the post below I get the following errors* Also modified above code (from original post) to reflect the new changes I have made /home/opslab/fuerte_workspace/sandbox/parallax_eddie_robot/include/eddie.h:36:26: error: ‘parallax_eddie_robot’ has not been declared /home/opslab/fuerte_workspace/sandbox/parallax_eddie_robot/include/eddie.h:36:69: error: expected ‘,’ or ‘...’ before ‘&’ token /home/opslab/fuerte_workspace/sandbox/parallax_eddie_robot/src/eddie.cpp:7:98: error: no matching function for call to ‘ros::NodeHandle::advertiseService(const char [12], bool (Eddie::)(int), Eddie const)’ /home/opslab/fuerte_workspace/sandbox/parallax_eddie_robot/src/eddie.cpp:7:98: note: candidates are: /opt/ros/fuerte/include/ros/node_handle.h:821:17: note: template<class T, class MReq, class MRes> ros::ServiceServer ros::NodeHandle::advertiseService(const string&, bool (T::)(MReq&, MRes&), T) /opt/ros/fuerte/include/ros/node_handle.h:859:17: note: template<class T, class MReq, class MRes> ros::ServiceServer ros::NodeHandle::advertiseService(const string&, bool (T::)(ros::ServiceEvent<MReq, MRes>&), T) /opt/ros/fuerte/include/ros/node_handle.h:898:17: note: template<class T, class MReq, class MRes> ros::ServiceServer ros::NodeHandle::advertiseService(const string&, bool (T::)(MReq&, MRes&), const boost::shared_ptr<X>&) /opt/ros/fuerte/include/ros/node_handle.h:938:17: note: template<class T, class MReq, class MRes> ros::ServiceServer ros::NodeHandle::advertiseService(const string&, bool (T::)(ros::ServiceEvent<MReq, MRes>&), const boost::shared_ptr<X>&) /opt/ros/fuerte/include/ros/node_handle.h:975:17: note: template<class MReq, class MRes> ros::ServiceServer ros::NodeHandle::advertiseService(const string&, bool ()(MReq&, MRes&)) /opt/ros/fuerte/include/ros/node_handle.h:1011:17: note: template<class MReq, class MRes> ros::ServiceServer ros::NodeHandle::advertiseService(const string&, bool ()(ros::ServiceEvent<MReq, MRes>&)) /opt/ros/fuerte/include/ros/node_handle.h:1045:17: note: template<class MReq, class MRes> ros::ServiceServer ros::NodeHandle::advertiseService(const string&, const boost::function<bool(MReq&, MRes&)>&, const VoidConstPtr&) /opt/ros/fuerte/include/ros/node_handle.h:1083:17: note: template<class S> ros::ServiceServer ros::NodeHandle::advertiseService(const string&, const boost::function<bool(S&)>&, const ... (more)