Re: [linux-audio-dev] HELP:porting linux audio driver to RTLinux(rtlinux core driver)

From: Fons Adriaensen <fons.adriaensen@email-addr-hidden>
Date: Sat Apr 09 2005 - 00:25:43 EEST

On Fri, Apr 08, 2005 at 11:04:29AM -0500, Jan Depner wrote:

> IIRC part of it was servicing IRIG-B interrupts.

The easiest way to input IRIG-B is as an audio signal via a
soundcard, and use a software decoder. That was one my first
jobs when I joined Alcatel Space more than 10 years ago :-)
We are still using that code -- it takes less than 0.1% of
available CPU on today's systems, and provides sub-microsecond
accuracy.

-- 
FA
Received on Sat Apr 9 04:15:09 2005

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