On Wednesday 26 March 2008, mark gross wrote: > On Wed, Mar 26, 2008 at 09:27:28AM -0700, Greg KH wrote: > > Give up and use a "real" serial port, you'll have better luck :) > > but its getting very hard to find real serial ports any more :( I happened across this the other day, and saved the URL since the price was relatively sane ... $15 vs the $60 I saw at another site, although ISTR Fry's used to have them at $5: http://www.wrighthobbies.net/catalog/index.php?cPath=47 Yeah, I know. "It's getting very hard to find real PCI slots any more." :( It seems like some companies (notably *cough* Intel) are on a little jihad to get rid of serial ports... I'd think that in a controlled environment (fixed set of USB connections) USB should be able to meet fairly chosen "real time" latency ceilings. The stack probably needs a few semantic updates to make it happen -- e.g. URB completions are issued in_irq() -- but it shouldn't be insurmountable. - Dave -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
