[time-nuts] EZGPIB & delay triggers
Ulrich Bangert
df6jb at ulrich-bangert.de
Mon Jul 13 07:59:28 UTC 2009
Bill,
there are two "sleep" commands:
1) Procedure EZGPIB_TimeSleep(HowLong:Double)
2) Procedure EZGPIB_TimeWaitForMultipleOf(Seconds:LongWord)
where Howlong is in seconds and starts immediately after call. The second
one is for you if you want to keep something synchronized to the computer's
clock. EZGPIB_TimeWaitForMultipleOf(10) will sleep up to second 10, 20, 30,
50, 0 whatever is the closest. EZGPIB_TimeWaitForMultipleOf(60) will wait up
to the start of the next minute.
> I am trying to use EZGPIB with a HP 5370A and I want to trigger a
> reading on a 10 to 30 second interval.
> I want the use EZGPIB to do long term comparisons of various
> oscillators, I am not interested (at this time)
> on jitter less than tau < 1 seconds or so
I fear, that THIS not only a matter of sleeping! Please explain your
experiment more in detail. Are you doing frequency or phase measurements?
73s de Ulrich, DF6JB
> -----Ursprungliche Nachricht-----
> Von: time-nuts-bounces at febo.com
> [mailto:time-nuts-bounces at febo.com] Im Auftrag von Bill
> Gesendet: Montag, 13. Juli 2009 04:31
> An: time-nuts
> Betreff: [time-nuts] EZGPIB & delay triggers
>
>
> I am trying to use EZGPIB with a HP 5370A and I want to trigger a
> reading on a 10 to 30 second interval.
> I want the use EZGPIB to do long term comparisons of various
> oscillators, I am not interested (at this time)
> on jitter less than tau < 1 seconds or so
>
> My question is what is the PASCAL code to delay between
> readings. I am
> running Windows XP if
> that makes a difference.
>
> I don't have a book (yet) on PASCAL and I am not a programmer. I have
> EZGPIB displaying readings but at
> what seems to be a random rate
>
> Thanks
> Bill K7NOM
>
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