EPICS Controls Argonne National Laboratory

Experimental Physics and
Industrial Control System

1994  1995  1996  1997  1998  1999  2000  <20012002  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  <20012002  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: mbbiDirect/mbboDirect - why only 16 bits ?
From: "Brian McAllister" <[email protected]>
To: [email protected]
Cc: [email protected]
Date: Fri, 24 Aug 2001 13:05:16 -0400
>>> On 8/24/2001 at 12:41:41 EDT, Brian McAllister wrote:

  > Why is RVAL defined as SPC_NOMOD in mbboDirectRecord.dbd (making it
  > impossible to work around that limitation) while the Record Ref Manual
  > states that RVAL is Access=YES, Modify=YES ?

I now see that the current implementation of the record makes writing to
RVAL pointless, as it is overwritten by the conversion from VAL whenever
the record is processed.

The documentation is still wrong.

----
Brian McAllister                    Controls Programmer/Beam Physicist
[email protected]                        MIT-Bates Linear Accelerator
(617) 253-9537                                           Middleton, MA



References:
mbbiDirect/mbboDirect - why only 16 bits ? Brian McAllister

Navigate by Date:
Prev: Problem talking CA across two CPUs in same crate??? Leonard J. Reder
Next: RE: Problem talking CA across two CPUs in same crate??? Jeff Hill
Index: 1994  1995  1996  1997  1998  1999  2000  <20012002  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: mbbiDirect/mbboDirect - why only 16 bits ? Brian McAllister
Next: Problem talking CA across two CPUs in same crate??? Leonard J. Reder
Index: 1994  1995  1996  1997  1998  1999  2000  <20012002  2003  2004  2005  2006  2007  2008  2009  2010  2011  2012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024 
ANJ, 10 Aug 2010 Valid HTML 4.01! · Home · News · About · Base · Modules · Extensions · Distributions · Download ·
· Search · EPICS V4 · IRMIS · Talk · Bugs · Documents · Links · Licensing ·