RTC bsp trouble.
leonp at plris.com
Thu Jan 29 14:39:23 UTC 2004
I don't know what CPU and board do you use. The problem I saw with RTC in
MPC860 was that RTC has 1 sec resolution, while RTEMS has theoretically
unlimited resolution and is used also for system scheduling. I should say
that TOD in RTEMS is more "buy product" rather then real target...:-))
On Thursday 29 January 2004 16:30, Cedric Aubert wrote:
> Hi all,
> I try to had a rtc driver into my bsp, and I have some
> trouble with it.
> First question, I understood that RTEMS only use the
> clock ticks to do it's
> it doesn't use the rtc at all. Am I right ?
> In fact in need to use (in my application) the
> fucntion setRealTimeToRTEMS()
> setRealTimeFromRTEMS() from my rtc driver to
> synchronise RTEMS tod and RTC
> Am I right?
> In fact I use the generic rtc driver with
> provided in libbsp/shared. I make a tod directory, had
> it to configure, bsp
> and wrapup makefile.
> Now my trouble is in my application compilation, I
> can't link with
> and setRealTimeFromRTEMS() and rtc_initialize
> (undefined symbol) , in fact
> all function in the generic rtc
> driver provide in libbsp/shared/tod.c
> Did I make some mistake or miss something ?
> Or should am I wrong by using this function in my
> application ?
> Thanks a lot
> Cedric AUBERT
> Ingenieur Recherche et Developpement
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leonp at plris dot com
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