Experimental Physics and Industrial Control System
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On 08.09.2010 10:50, Ernest L. Williams Jr. wrote:
Marty Kraimer wrote:
On 09/07/2010 04:44 PM, Andrew Johnson wrote:
Hi Ernest,
Alternatively start looking at Marty Kraimer's Java IOC which I
believe was
designed to allow dynamic record creation and deletion.
- Andrew
Yes dynamic creation and deletion is allowed on the javaIOC.
Marty
So, now the question is do we join the development for the C++
implementation of the PVData and PVAccess or do we invest time into
EPICS 3.x.
Ernest,
the C++ implementation of PVData and PVAccess will be exactly what its
name suggests: an implementation of the data structures (PVData) and the
network protocol (PVAccess).
There are no current plans to implement the database (PVEngine fka
javaIOC) in C++. Instead, the C++ implementations will be accompanied by
an interface layer to the existing V3 database and device support, so
that existing V3 databases can be run in a V4 system.
We really want to have this functionality for uTCA. We will first
look at the work done for the redundant IOC as Andrew suggested.
Maybe, the least path of resistance with respect to time is to have
this functionality in EPICS 3.x?
A project which will require - as Andrew pointed out - an impressive lot
of resources allocated to it, unless your time frame is measured in
decades rather than months. ;-)
Cheers,
Ralph
- References:
- Dynamic Loading and Unloading of EPICS Device Support and Record. Ernest L. Williams Jr.
- Re: Dynamic Loading and Unloading of EPICS Device Support and Record. Andrew Johnson
- Re: Dynamic Loading and Unloading of EPICS Device Support and Record. Marty Kraimer
- Re: Dynamic Loading and Unloading of EPICS Device Support and Record. Ernest L. Williams Jr.
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ANJ, 02 Feb 2012 |
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