Thanks for responding. I ended up just figuring out the problem. The topics didn't match. Thanks, Robbie On Fri, Mar 5, 2010 at 2:45 PM, Josh Faust wrote: > What language(s)? Do the topics match? Is it all on one machine? What do > the log files say? Do they work if you start them outside the launch file? > > On Fri, Mar 5, 2010 at 11:21 AM, Robbie Plankenhorn < > rplankenhorn@gmail.com> wrote: > >> I am trying to get a publisher/subscriber connection working within my own >> ros pkg and I am having issues. I am able to get the talker/listener >> tutorial working but what I am doing is slightly different. >> >> I have an ros program that sets up a TCP socket and waits for a >> connection. When the user sends the appropriate command on that socket, I >> want it to publish a message and that message is redirected to the other >> program. Right now, everything starts using a launch file and when it >> starts, the publisher shows that there are 0 subscribers and the subscriber >> shows that there are 0 publishers. >> >> Are there any special timing conditions that I need to take into account? >> Is there anything else that I should look at? >> >> Thanks, >> Robbie >> >> _______________________________________________ >> ros-users mailing list >> ros-users@code.ros.org >> https://code.ros.org/mailman/listinfo/ros-users >> >> > > _______________________________________________ > ros-users mailing list > ros-users@code.ros.org > https://code.ros.org/mailman/listinfo/ros-users > > -- Check out my iPhone app at: http://itunes.apple.com/us/app/pokercoach/id345215150?mt=8