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Re: timers without widgets [message #43713 is a reply to message #43555]

Sat, 23 April 2005 09:49

Benjamin Hornberger is currently offline

Benjamin Hornberger
Messages: 258
Registered: March 2004

Senior Member

Y.T. wrote:
> Uh -- in my version of IDL, at least, the help for "socket" explicitly
> states that "socket" opens a client-side socket. Opening server-side
> sockets is quite a different beast.

That's the point. We would actually need a server-side socket.

>
> That said, there's fine bits of software out there to listen to ports
> (I'd write it in TCL if I had to) but I have to wonder whether you may
> be going through too many layers here -- if you are trying to do
> instrument control, then what is your hardware interface?

The instrument is actually directly controlled by C++ software (GPIB
interface and PCI boards with drivers provided by the manufacturer). The
user interface, however, is written in IDL because we want to include a
lot of data processing and visualization features. We communicate via
sockets because we would like to be able to run the user interface on a
different machine (even remotely). I realize that if we gave up that
idea, there would probably be better ways to talk between IDL and C++.

As I wrote in reply to Craig, I don't write the socket stuff myself (I
am writing the GUI), so I don't know all the details (my C++ knowledge
is also quite limited).

Anyway, it basically works. Could be smoother though.

Thanks for your suggestions,

Benjamin

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[Message index]

		timers without widgets By: Benjamin Hornberger on Fri, 22 April 2005 09:11
		Re: timers without widgets By: Benjamin Hornberger on Sat, 23 April 2005 09:49
		Re: timers without widgets By: Benjamin Hornberger on Sat, 23 April 2005 09:39
		Re: timers without widgets By: Craig Markwardt on Sat, 23 April 2005 08:03
		Re: timers without widgets By: Y.T. on Fri, 22 April 2005 19:25
		Re: timers without widgets By: Rick Towler on Fri, 22 April 2005 16:08

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