Re: Orocos and rtnet

Peter Soetens <[email protected]> Wed, 07 Mar 2007 22:28:27 +0100
Newsgroups gmane.science.robotics.orocos.user
Message-ID <[email protected]>
Quoting Leopold Palomo Avellaneda <[email protected]>:

> A Dimecres 07 Mar=E7 2007 17:06, Leopold Palomo-Avellaneda va escriure:
>> Hi,
>>
>> I don't know if is a dummy question but I would like to develop a progra=
m
>> using orocos but using rtnet to have a network rt communication with oth=
er
>> box.
>>
>> I would like to use a simple rtnet communication, because in the other p=
art
>> is a vxworks, so I'm very limited about soft, so any corba or any nice
>> features provided by orocos are not possible.

So if I get the picture straight, you've got one box, connected to the 
robot running vxworks _without_ Orocos and one box running Linux with 
Orocos ? And all in between is an ethernet cable ?

In that case I would create a 'RobotComponent' which internally uses 
RTNet to communicate with the vxworks box (send/receive). You'll have 
to write your message protocol yourselves then. But creating messages 
with RTNet is not that hard. You can run the component using a 
NonPeriodicActivity as discussed in this thread on Orocos-dev: 
<http://www.orocos.org/node/154>. I'd like to remind you that rtnet 
works with both RTAI and Xenomai (so does Orocos).

If you want to discuss more technical details, feel free to post on the 
Orocos-dev forum using the website.

Peter
-- 
www.fmtc.be


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