Argonne National Laboratory

Experimental Physics and
Industrial Control System

1994  1995  <19961997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  2017  Index 1994  1995  <19961997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  2017 
<== Date ==> <== Thread ==>

Subject: Re: [Question] Rs232c in EPICS
From: Jeff Hill <johill@lanl.gov>
To: Noboru Yamamoto <noboru.yamamoto@kek.jp>
Cc: tech-talk@aps.anl.gov
Date: Fri, 11 Oct 1996 17:14:54 -0600
Noboru Yamamoto wrote:
> 
> Dear Friends,
> 
>  Some of EPICS users in KEKB project want to control their device through
> RS232 serial link via EPICS. I'm looking at base/src and found that
> drvRs232.c/drvMsg.c pair support Rs232c link based on messaging scheme
> similar to GP-IB support.
>  Is it the best (existing) way to support a device which speaks rs232c in EPICS?
> Or do you suggest a better way?
> 

KECK also has "drvSerial.c" which is layered underneath 
of an Allen Bradly DF1 driver, a compumotor SX driver,
and a bar code reader driver.

The routines in drvSerial.c provide read/write queues which 
prevent hanging the scan tasks when communicating with a 
serial device via standard io.

Jeff

-- 
______________________________________________________________________
Jeffrey O. Hill                 Internet        johill@lanl.gov
LANL MS H820                    Voice           505 665 1831
Los Alamos, NM 87545 USA        FAX             505 665 5107


References:
[Question] Rs232c in EPICS Noboru Yamamoto

Navigate by Date:
Prev: Re: Should ai, ao records have RAWH, RAWL? watson
Next: Re: [Question] Rs232c in EPICS Allan Honey
Index: 1994  1995  <19961997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  2017 
Navigate by Thread:
Prev: [Question] Rs232c in EPICS Noboru Yamamoto
Next: Re: [Question] Rs232c in EPICS Allan Honey
Index: 1994  1995  <19961997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  2017 
ANJ, 10 Aug 2010 Valid HTML 4.01! · Home · News · About · Base · Modules · Extensions · Distributions · Download ·
· EPICS V4 · IRMIS · Talk · Bugs · Documents · Links · Licensing ·