[ntp:questions] Re: Linux PPS triggering with NMEA

Brad Knowles brad at stop.mail-abuse.org
Mon May 9 22:14:28 UTC 2005


At 9:29 PM +0000 2005-05-09, Bjorn Gabrielsson wrote:

>  I know what TIOCMIWAIT gives. Is there a user-space function that can
>  return time with better than than the 1us resolution that
>  gettimeofday() gives?

	No.  You're limited to the level of resolution of the system 
clock, and it only runs so fast.  Beyond that point, you cannot go.

-- 
Brad Knowles, <brad at stop.mail-abuse.org>

"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."

     -- Benjamin Franklin (1706-1790), reply of the Pennsylvania
     Assembly to the Governor, November 11, 1755

   SAGE member since 1995.  See <http://www.sage.org/> for more info.



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