Experimental Physics and Industrial Control System
From: LEI Ge [mailto:[email protected]]
> This week we met a problem, a PV's value should be 1 (to enable our e-
> gun trigger), but sometimes it becomes 0 unexpectedly. I checked the
> software logic I can remember to this pv, and have not found the
> reason. Maybe there is some logic I forget or I don't know, to write to
> this pv. So is there a way to check in our control system, which PVs
> write to this pv? Or, this PV is written from which IP?
EPICS provides a hook, asTrapWriteRegisterListener, which is called on every CA put. I've attached a small support module that I've written to use this to write a log message every time a CA put occurs.
--
This e-mail and any attachments may contain confidential, copyright and or privileged material, and are for the use of the intended addressee only. If you are not the intended addressee or an authorised recipient of the addressee please notify us of receipt by returning the e-mail and do not use, copy, retain, distribute or disclose the information in or attached to the e-mail.
Any opinions expressed within this e-mail are those of the individual and not necessarily of Diamond Light Source Ltd.
Diamond Light Source Ltd. cannot guarantee that this e-mail or any attachments are free from viruses and we cannot accept liability for any damage which you may sustain as a result of software viruses which may be transmitted in or with the message.
Diamond Light Source Limited (company no. 4375679). Registered in England and Wales with its registered office at Diamond House, Harwell Science and Innovation Campus, Didcot, Oxfordshire, OX11 0DE, United Kingdom
Attachment:
pvlogging.tgz
Description: pvlogging.tgz
- References:
- how to know which PVs write to a PV LEI Ge
- Navigate by Date:
- Prev:
how to know which PVs write to a PV LEI Ge
- Next:
Re: how to know which PVs write to a PV Ralph Lange
- 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:
how to know which PVs write to a PV LEI Ge
- Next:
Re: how to know which PVs write to a PV Ralph Lange
- 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