Experimental Physics and Industrial Control System
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Subject: |
Re: A tool to support development of GP-IB device support routine. |
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From: |
Noboru Yamamoto <[email protected]> |
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To: |
[email protected] |
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Date: |
Fri, 13 Sep 1996 08:18:08 +0900 |
In Message-Id: <[email protected]>,Chip Watson wrote,
>
>Noboru Yamamoto,
>
>I would like more information about the GPIB software you are developing.
>Does this replace John Winans GPIB driver? What hardware do you plan to
>use, or what software interface to the actual GPIB hardware are you planning
>to use?
No. It still use GPIB driver come with EPICS and Common GP-IB device
support routines. With this framework you need to prepare command table
in C. And also you need to supply data conversion functions and SRQ routine.
The tool just helpt prepare the command table. User of GP-IB device prepare
list of command in the format,i.e. gdl, which is much easier to read than
a table in C program. It also supply default value of field depending on
record type in the table. You can also embed data conversion routine and
SRQ routine in the same way as snl.
We use GP-IB board from NI and also use ET-488 from Sony-Tektronics.
ET-488 is not VME board but a stand alone equipment and
has a ethernet interface as well as a GP-IB interface. IOC talk to ET488 via
Ethernet and can control GP-IB devices conncected to ET488.
>
>We have some interest in the Greensprings GPIB industry pack with the
>Motorola MVM3-162 processor boards, and are working on low level (driver)
>software for that system now. It is currently supported in EPICS by
>APS' Hideos kernel via messages from Winans software.
>
>Chip
>
Noboru Yamamoto
KEKB Accelerator Control Group
KEK, JAPAN
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