This is the mail archive of the ecos-discuss@sources.redhat.com mailing list for the eCos project.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: More Wallclock questions

On Wed, Dec 05, 2001 at 10:11:38AM +0100, Damir Salantic wrote:

> So, kernel realtime clock is actually synchronized with wallclock in the
> initialization and later when you want to read wallclock you actually read
> kernel clock.

That's pretty much what I was planning on doing, after I looked
up specs on the CPU oscillator vs. the Dallas RTC. If the
accuracies and tempcos are similar, there's no loss.  If the
RTC is a lot more accurate than the CPU clock, then using a FLL
or PLL algorithm to lock the system time and the RTC together
would be cool.

-- 
Grant Edwards
grante@visi.com
Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]