[ros-users] Communicating between two user created packages

[Billy Okal]

hi Peshala,

This is very simple, say you have packages packagex and packagey

And have designed messages in either of them, or even both

Say you have a message X.msg in packagex and want to use in packagey

in the manifest.xml of packagex, you need to add the following line

<export>
    <cpp cflags="-I{prefix}/msg/cpp/"/>
</export>


then in manifest.xml of packagey you need to add the following line

<depend package="packagex"/>

The you should be set. To use the message in the cpp code all you need to do
is now include the message headers as

#include <packagex/X.h>

and proceed to use it in the code. For python you will just need to use
'from packagex import *'


There are also a number of tutorials online which explain this.

Have fun

billy

On 5 October 2010 09:49, Peshala Jayasekara <peshala_24 at yahoo.com> wrote:

> Dear all,
>
> How can we communicate between two user created packages using a user
> created ROS msg?
> When I referred the tutorials, it only provides a scenario when the two
> executables (publisher and listener) are in the same package.
> Do we have to create the same msg in both the packages?
> Also, I'm having trouble figuring out how to include headers from a user
> created package to another package.
>
> Any advise would be greatly appreciated, since I'm a beginner.
>
> Thanks
> Peshala
>
>
> _______________________________________________
> ros-users mailing list
> ros-users at code.ros.org
> https://code.ros.org/mailman/listinfo/ros-users
>
>


-- 
Viele Gruss/Best Regards,
Billy Okal
Jacobs University Bremen
#5383, MA 333
-------------------------------------------------------------------------------------------------------
"sure vi is user friendly, its just particular about who to be friends with"
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