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<== Date ==> <== Thread ==>

Subject: RE: Generic Fieldbus Device Support (GPIB and others)
From: johill@lanl.gov (Jeff Hill)
To: <franksen@bii.bessy.de>, "EPICS Techtalk" <tech-talk@aps.anl.gov>
Date: Tue, 14 Sep 1999 16:54:49 -0600
> 
> Dirk Zimoch wrote:
> > 
> > I've written a generic device support that should be able to talk
> > to all fieldbus devices, which do I/O as a stream of bytes.
> > I call it the Stream Device.
> > ....
> 
> This is cool! I believe this could be the ultimate replacement for
> devCommonGpib. 

Another generic approach to framing protocol for byte serial devices is 
drvSerial.c / devAscii.c. Both are available from KECK.

> 
> 2) Concerning the INP/OUT field for INST_IO link type: "You have 78
> characters after the @, even though the Application Developers's Guide
> says you only have 35 characters (Version 3.13.0.beta4)."
> 

The original CA client API unfortunately still has a built in string length
limitation of 40 characters. Removing this limitation is high up on the
priority list.

Jeff


Replies:
Re: Generic Fieldbus Device Support (GPIB and others) Marty Kraimer
References:
Re: Generic Fieldbus Device Support (GPIB and others) Benjamin Franksen

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