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

[Sylvain Joyeux]

On 02/25/2011 12:40 PM, Sylvain Joyeux wrote:
> 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.
Oh ... and, as always, if multiple ports match the type and the name 
resolution does not work, you will get an error (i.e. you will have to 
provide the mappings explicitely)

-- 
Sylvain Joyeux
Space&  Security Robotics

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