Experimental Physics and
Industrial Control System

"J. Lewis Muir via Tech-talk" <tech-talk at aps.anl.gov> · Tue, 18 Aug 2020 20:03:18 -0500

On 08/18, Miceli, Antonino via Tech-talk wrote:
> We are trying to build https://github.com/dls-controls/ADEiger/tree/1.8.
> 
> We have an Eiger1 X 500k which recently got repaired and Dectris shipped with their 1.8 API. We see a few strange things.

That's a strange combo that I don't think anyone would have anticipated,
so I suspect you may be the first one to ever try the above branch with
that.

> 1.) We can only get the device driver (EigerDetectorConfig) to load if eigerModel=2. I doubt they upgraded with the new Eiger2 chips, but I am double checking with Dectris. If we use eigerModel = 1 we get some Rest API errors.

DECTRIS's 1.8 API is not well-defined.  They regularly break backward
compatibility within a versioned API which is very frustrating and
time-consuming to deal with.  If by "1.8 API" you mean what they ship
with their latest EIGER2 series detectors, then the above branch may be
your best bet.  If, however, you've got a different API, then the above
branch might not be the best choice.

Still, if you're using the above branch, you very well may discover
problems because I think you may be the first to ever try that branch
with a combo that the developers may have never thought possible
(i.e., EIGER1 hardware with an EIGER2 API).

There are some errors that are expected the first time you start the
IOC after the detector has been initialized.  The above branch is still
WIP.  So if you're hitting those, it may not be fatal.  But you'd have
to report them to get further on that front.

> 2.) eiger2.template has an include for eigerBase.template. It says it can't open eigerBase.template. See below. We bypassed this problem by merging eigerBase.template into eiger1.template. Most PV fill except Firmware Version and Serial Number and the detector takes images ok. If we use eiger2.template (and eigerModel=2) we have more problems (not shown below or quantified yet).

If it can't find eigerBase.template, you may need to add "$(ADEIGER)/db"
to the EPICS_DB_INCLUDE_PATH environment variable.  For example, in
st.cmd:

----
epicsEnvSet("EPICS_DB_INCLUDE_PATH", "$(ADEIGER)/db:$(ADCORE)/db")
----

Also, in your included output, I see an error:

> epicsEnvSet("ADPILATUS","/local/DPbin/epics/epics_2020-03-17/support-R6-1/synApps_6_1/support/areaDetector-R3-9/ADPilatus-R2-9)
> 
> ADenvPaths.linux line 5: Unbalanced quote.

That's not good; you should track that down and fix it.

Lewis

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System