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<== Date ==> <== Thread ==>

Subject: Re: IOC server on windows or access a PV
From: Xiaoqiang Wang <xiaoqiang.wang@psi.ch>
To: zunbeltz <zunbeltz.izaola@essbilbao.org>
Cc: tech-talk@aps.anl.gov
Date: Fri, 3 Oct 2014 09:39:38 +0200
Dear Zunbeltz,

For such a channel access server, the PV timestamp is given by the server where the PV is hosted.


Best
Xiaoqiang

On 03 Oct 2014, at 09:31, zunbeltz <zunbeltz.izaola@essbilbao.org> wrote:

> Dear Xiaoquiang,
> 
> Thanks for the information.
> What is important to me is also to have a proper timestamp for the PVs and I an not very confident on the windows machine.
> If I install a portable channel access server, the timestamps of the PVs I serve there will be taken from the windows machine; am I right? If I have the server in other computer the timestamp of the uploaded PV will be given by that other server, not the "caput" operation I run in the windows; isn't it?
> 
> Best regards,
> 
> Zunbeltz
> 
> 
> og., 2014.eko urrren 02a 22:13(e)an, Xiaoqiang Wang igorleak idatzi zuen:
>> Hi,
>> 
>> There is a 3rd choice: create the PV in portable channel access server.
>> 
>> If your calculation code can be invoked with Python, be it a C extension or separate program (using subprocess module).
>> This can be easy to write using PCASpy[1] extension.
>> 
>> Best
>> Xiaoqiang
>> 
>> [1] https://pypi.python.org/pypi/pcaspy
>> 
>> 
>> On 02 Oct 2014, at 21:48, zunbeltz <zunbeltz.izaola@essbilbao.org> wrote:
>> 
>>> Dear all,
>>> 
>>> We need to pass some values, calculated from photographs, to the EPICS network from a windows machine.
>>> Is it easy to install an IOC server in a windows machine?
>>> If not, our idea is to create the PVs in an already running IOC server (on linux), and use caput tool (from the EPICS Extensions http://aps.anl.gov/epics/distributions/win32/index.php) to update the values.
>>> Is it possible to create an  PV that is not associated with any hardware in a IOC server? Is it enough to add a record in the ioc.db file?
>>> 
>>> Thanks in advance for your help.
>>> 
>>> Zunbeltz
>>>  -- 
>>> Dr. Zunbeltz Izaola
>>> Accelerator Physics Group
>>> ESS-Bilbao
>>> 
> 
> -- 
> Dr. Zunbeltz Izaola
> Accelerator Physics Group
> ESS-Bilbao
> 



References:
IOC server on windows or access a PV zunbeltz
Re: IOC server on windows or access a PV Xiaoqiang Wang
Re: IOC server on windows or access a PV zunbeltz

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