[Xenomai-help] FW: RT serial port (rt_dev_write()) question

[Xenomai-help] FW: RT serial port (rt_dev_write()) question

[Sam Claassens]

Hi,

Is there any reason you shouldn't rt_task_shadow() the main thread?

Regards,
Sam

-----Original Message-----
From: xenomai-help-bounces@domain.hid [mailto:xenomai-help-bounces@domain.hid] On
Behalf Of Dehann Fourie
Sent: 16 February 2010 09:24 PM
To: Jan Kiszka
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] RT serial port (rt_dev_write()) question

Thanks, explains alot.

Regards,
Dehann

On Tue, Feb 16, 2010 at 9:03 PM, Jan Kiszka <jan.kiszka@domain.hid> wrote:
> Dehann Fourie wrote:
>> Hi,
>>
>> Quick question. Can you write to a rt device (say "rtser0") from the
>> main thread, ie not in a rt_task?
>
> Short answer: Nope.
>
> Longer version: You must call this service over a Linux task that was
> shadowed for use with Xenomai. That can also be the main thread of some
> application, though (check rt_task_shadow if use the native skin).
>
> Jan
>
> --
> Siemens AG, Corporate Technology, CT T DE IT 1
> Corporate Competence Center Embedded Linux
>



-- 
Dehann Fourie

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Re: [Xenomai-help] FW: RT serial port (rt_dev_write()) question

[Gilles Chanteperdrix]

Sam Claassens wrote:
> Hi,
> 
> Is there any reason you shouldn't rt_task_shadow() the main thread?

I do not think there are. Some other skins even do it automatically.


-- 
					    Gilles.

Re: [Xenomai-help] FW: RT serial port (rt_dev_write()) question

[Sam Claassens]

Thanks!

-----Original Message-----
From: Gilles Chanteperdrix [mailto:gilles.chanteperdrix@xenomai.org] 
Sent: 20 February 2010 12:47 PM
To: Sam Claassens
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] FW: RT serial port (rt_dev_write()) question

Sam Claassens wrote:
> Hi,
> 
> Is there any reason you shouldn't rt_task_shadow() the main thread?

I do not think there are. Some other skins even do it automatically.


-- 
					    Gilles.