EPICS Home

Experimental Physics and Industrial Control System


 
1994  1995  <1996>  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024  Index 1994  1995  <1996>  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024 
<== Date ==> <== Thread ==>
Subject: Re: [Question] Rs232c in EPICS
From: Jeff Hill <[email protected]>
To: Noboru Yamamoto <[email protected]>
Cc: [email protected]
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        [email protected]
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  <1996>  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024 
Navigate by Thread:
Prev: [Question] Rs232c in EPICS Noboru Yamamoto
Next: Re: [Question] Rs232c in EPICS Allan Honey
Index: 1994  1995  <1996>  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024