socket programming on RTAI
mantegazza at aero.polimi.it
Thu Oct 14 15:54:52 CEST 2004
deepa.vijayaraghavan at mbtech-group.com wrote:
> Hi all,
> I have an IBM440PC based board with Linuxppc_2_4_devel on it, and
> rtai ver 24.1.12. Thanks to this mailing list, I have completed the
> setup and am able to run some simple programs.
> Now, I would like to communicate through the ethernet. My
> application is an RTAI module, running an idle(slow) and a timer(fast)
> task. In the idle loop, I would like to send data out through the
> ethernet link. Can I make socket calls directly from the RTAI task? Or
> do I have to send the data through a FIFO (or some other IPC service) to
> a user space process, that then connects to the socket? What are the
> possible options? Sending it through a user process seems a bit too
> round about for me! Would be great if someone out there points me to
> some good solutions.
TO operate directly from kernel space just copy/improve the RTNet
emulation found in the latest RTAI netrpc.c.
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