In message <4.3.2.20010110104647.00baee80 at falcon.si.com> you wrote: > > The astronomy people, among others, are really fanatical about accurate > time and have some very elaborate programs to synchronize clocks to the > nanosecond (microsecond?) level. These involve NTP daemons. Note that > the NTP daemons can synchronize to a radio clock that provides a > 1/second tick: your simplest solution would probably be to set up your > accurate RTC to do a 1/second interrupt and then tie it into a NTP > daemon to keep your kernel clock accurate.
Seems a bit of overhead (especially for embedded systems with limited resources) to add a NTP daemon just to make one part of the kernel timekeeping toal to the other... Wolfgang Denk -- Software Engineering: Embedded and Realtime Systems, Embedded Linux Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd at denx.de "It's when they say 2 + 2 = 5 that I begin to argue." - Eric Pepke ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
