Ernest Williams
Dept. Head, Advanced Control Systems
Advanced Instrumentation Research, Technology Innovation Directorate
SLAC National Laboratory, Stanford University
From:[email protected] <[email protected]> on behalf of Ralph Lange <[email protected]> Sent: Saturday, February 17, 2018 8:54 AM To: EPICS Core Talk Subject: Re: EPICS 7: Equivalent to Channel Access Filters
Hi Ernest,
On Sat, Feb 17, 2018 at 3:52 PM, Williams Jr., Ernest L.
<[email protected]> wrote:
Will there be an equivalent to Channel Access filters in EPICS 7?
First of all: obviously, Channel Access filters are part of EPICS 7 - i.e., the API is in Base, and all filters provided with Base still work with no changes.
So, assuming that your question is about using server-side filters with pvAccess - what exactly is your use case?
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We have started to rely on the Array Filter "arr"
Works beautifully :)
We also plan to use: Deadband Filter "dbnd"
Do you have existing specific locally developed filter code that you want to use through pvAccess?
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No, not at this time.
Are you using a specific functionality provided by a filter from Base that is not available using pvAccess?
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Does pvAccess already have all the features of EPICS V3 Channel Filters ?