> Is it possible to write into a fifo from inside an ISR?
Defintely yes.
See http://gatling.ikk.sztaki.hu/~kissg/doc_nmt/context.html
> I would like to know this, because I would like that rt_com writes
> into a fifo, so that I can attach a handler to it and can perform
> some tasks when new data arrives.
> I already tried addapting rt_com, but I always get kernel panics.
Don't give up. It works at my site.
Regards
Gabor
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