[ECOS] RTC -> Gregorian Conversion (off topic)

Trenton D. Adams tadams@extremeeng.com
Thu Jul 19 14:51:00 GMT 2001


  > 
  > "Trenton D. Adams" wrote:
  > >
  > > Sorry for the off topic question, but I don't know where else to
look
  > > for a quick answer.  Does anyone here have tables/routines for
  > > calculating the actual date/time from an RTC value?  Does eCos do
this
  > > already?  If so, where?
  > >
  > > I also need to go from date/time to RTC.
  > 
  > There are various functions in the C library to convert between
time_t's
  > and real dates if that's what you mean, although they don't take
into
  > account all the esoteric rules for timezones. That's too much for a
  > typical
  > embedded system's needs. Currently the time() function will retrieve
the
  > time from the wallclock device, so that would have to have been
  > initialized
  > correctly.
  > 
  > Look around in languages/c/libc/time/current
  > 

Will do, thanks.



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