Re: Timing serial events precisely.

Alan Cox (alan@lxorguk.ukuu.org.uk)
Thu, 25 Nov 1999 23:30:07 +0000 (GMT)

> To do this, I need to get a series of bytes/overruns/parity errors/...
> from the serial port, with accurate timing (to within 10us or so, if
> possible)
> AIUI, a userspace solution is impossible.

I would believe you are correct.

> I suspect something heavily borrowing from the serial driver, which
> instead of returning bytes, returned arrays of timestamps+events.

Maybe. You might actually want to bitbang the hardware and also look at
using RTLinux for it. I dont think its going to be trivial

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