Hello,
the HADES collaboration (http://hades.gsi.de) is evaluating EPICS as a way to
control its data acquisition software. EPICS will be used for general slow
control anyhow, so this solution would save us the n+1st technology in the
experiment.
The DAQ system consists of roughly a dozen front end computers running LynxOS
and a few UNIX workstations (up to now ALPHAS, but this may change in the
future). You probably spot the point, in the DAQ system itself there is no
VxWorks anywhere (alhtough there are VxWorks systems for the "normal" slow
control).
Up to now I compiled the portable channel access server on LynxOS and it's
running fine. Now I'm looking for a way to implement the user interface.
Something like medm would do the job, but I need a way to control several PVs
on several front end systems in one step. For example, starting the data
acquisition means starting several processes on several LynxOS and UNIX
machines. A very nice way would be the implementation of a state machine, but
as I understand, the sequencer runs under VxWorks only.
Now the questions: Is there a sequencer or any other resaonable way to
implement procedures on the host system that control several PVs.
I had a look at tcl_et, but I would prefer a more restricted language for the
user interface and probably even for the state machine.
Thanks,
Mathias
- Replies:
- Re: Sequencer on Host system (or something similar) Matthieu Bec
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