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Re: data acquisition, device control [message #3488 is a reply to message #3406]

Sat, 28 January 1995 13:28

rivers
Messages: 228
Registered: March 1991

Senior Member

In article <3g8rj4$smc@nps.navy.mil>, Richard Olsen <olsen@physics.nps.navy.mil> writes:
> We'd like to use IDL as a front-end for data acquisition on a PC,
> which basically means being able to talk to an A-D converter, and
> presenting the results in ~real time with IDL
>
> Has anyone done this, or something similar?
>
We do this in our projects at the National Synchrotron Light Source and many of
the experimental groups building x-ray beamlines at the Advanced Photon Source
at Argonne National Lab plan to use IDL as an important component of the
operator interface for data acquisition and display.

It is all done with CALL_EXTERNAL. Many of these projects have two "threads"
running. A real-time thread written in C handles the fast data acquisition and
interrupt handling. The IDL thread gets data from the C thread and displays it.
The IDL thread is widget driven and allows the operator to control the
acquisition, display and data storage.

____________________________________________________________
Mark Rivers (312) 702-2279 (office)
CARS (312) 702-9951 (secretary)
Univ. of Chicago (312) 702-5454 (FAX)
5640 S. Ellis Ave. (708) 922-0499 (home)
Chicago, IL 60637 rivers@cars3.uchicago.edu (Internet)

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[Message index]

		data acquisition, device control By: Richard Olsen on Thu, 26 January 1995 11:01
		Re: data acquisition, device control By: Gary Kushner on Mon, 30 January 1995 09:01
		Re: data acquisition, device control By: rivers on Sat, 28 January 1995 13:28
		Re: data acquisition, device control By: kaaret on Thu, 02 February 1995 10:18

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