[time-nuts] Off the wall: anyone with experience programmingHP3456A?
phk at phk.freebsd.dk
Sat Sep 10 14:24:25 EDT 2005
In message <4323228B.7040401 at febo.com>, John Ackermann N8UR writes:
>In theory, the bus is supposed
>to handshake to avoid that problem, but that's not always reliable on
>the older instruments -- they will report that they're ready for another
>command when in fact they aren't. In fact, while doing this experiment
>the 5370B would show "Err 1" (invalid command) on its display if I tried
>to talk to the 3456A too soon after talking to the 5370.
Are you 100% sure this is a problem on the 5370B ?
I've spent a lot of time with my logic analyzer while implementing
GPIB in FreeBSD (partly because I couldn't find a datasheet for the
uPD7210 anywhere) and I have never seen my 5370B misbehave in any
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
More information about the time-nuts