Re: Convert rtems_clock_time_value to UTC (ascii)

[Ian Caddy <ianc at goanna dot iinet dot net dot au>]

Hi Rolf,

We have this problem as some of our older systems use psos as the OS, so 
we have a conversion utility that converts between RTEMS time and 
standard unix time.  The definition we use is:

#define DELTA_1988_1970_SECS 
(((1988L-1970L)*365L+(1988L-1970L)/4L)*24L*60L*60L)

I hope this helps.

regards,

Ian Caddy


Rolf Schroedter wrote:
> My measurement data has an RTEMS timestamp in seconds,microseconds 
> (rtems_clock_time_value). How can I convert this value later to 
> human-readable UTC.
> Obviously gmtime() cannot be used, because the RTEMS value has an offset 
> to UNIX-style time_t.
>
> Is there a constant #define'ed, which should be added to get a UNIX 
> time_t ?
>
> Thanks & regards,
> ROLF.
>
> ------------------------------------
> Rolf Schroedter
> German Aerospace Center
> Institute of Planetary Research
> D-12489 Berlin, Rutherfordstrasse 2
> Tel/Fax:  (+49) (30) 67055-416/384
> Email:    Rolf.Schroedter@dlr.de

--
Ian Caddy
Goanna Technologies Pty Ltd
+61 8 9221 1860