There's also a wiki page about using valgrind and gdb with roslaunch:
http://www.ros.org/wiki/roslaunch/Tutorials/Roslaunch%20Nodes%20in%20Valgrind%20or%20GDB

-Dan

On Wed, Aug 18, 2010 at 1:48 PM, David Lu!! <davidvlu@gmail.com> wrote:

> Have you tried using the Joy package? http://www.ros.org/wiki/joy It
> works automatically with a lot of different joysticks.
>
> Also, you can debug the code using gdb (from the Terminal) like any
> other C/C++ program.
>
> -David
>
> On Wed, Aug 18, 2010 at 9:02 AM, chris_li <gang.li@okstate.edu> wrote:
> >
> > Hi there,
> >
> > I am new to ROS and I am trying to create a package to control a
> joystick.
> > I have gone through the tutorial in http://www.ros.org/wiki.  I realize
> I
> > have to mimic some of the example C code. I am writing the code in gedit.
> Is
> > it the right way to do it? If it is the right the way, I do not know how
> to
> > debug the C code in gedit? Could anyone advise please~
> >
> > Sincerely,
> > Chris
> > --
> > View this message in context:
> http://ros-users.122217.n3.nabble.com/How-to-debug-the-source-code-in-C-tp1208900p1208900.html
> > Sent from the ROS-Users mailing list archive at Nabble.com.
> >
> >
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