[Rock-dev] Corrected slides from the "supervision" a.k.a. "advanced system deployment" tutorial

[Sylvain Joyeux]

On 02/25/2011 12:19 PM, Peter Soetens wrote:
> On Wednesday 09 February 2011 10:44:39 Sylvain Joyeux wrote:
>> They can be found here:
>>
>>     http://rock-robotics.org/system/advanced.html
>>
>> Comments for people from DFKI that were at the tutorial:
>>     * the loading sequence is much more detailed (slides 39 to 41)
>>     * tasks/components/ is now tasks/orogen/ (tasks/components will work
>> with warnings)
> Thanks for the slides. I have run twice through the presentation and one thing
> (amongst others :-)  I don't understand is how a component that provides a
> data service matches his 'custom' named ports to the port names of the
> 'abstract' port names of the service. Is this also done one a type first/name
> second basis ?
It is done on a type first / name second basis OR by specifying the port 
mappings in the same way than between data services

I.e.

    provides Motion2DCommand, "service_port" => "task_port"

The difference between abstract services providing each other and task 
providing a service is that, in the case of the task, it is *required* 
that the task provides the ports. In the case of the service, if you 
don't provide port mappings, it is assumed that the "providing" service 
*adds* new ports to the already existing service it provides.

I really have to do some inkscape figures about these processes ...
-- 

Sylvain Joyeux
Space&  Security Robotics

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