Experimental Physics and Industrial Control System
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Hi John,
I have pushed a fix to the master branch to eliminate that spurious error message about HV_STATE when creating the detector.
Note that depending on the Eiger model you may still see error messages like this when creating the detector:
*******************************
RestApi::get: [param=link_2] server returned error code 500
2022/06/16 08:26:42.063 Param[LINK_2]::baseFetch: [param=link_2] unable to parse json response
[]
2022/06/16 08:26:42.063 Param[LINK_2]::fetch<int>: [param=LINK_2] underlying baseFetch failed
*******************************
Those errors arise because the driver creates parameters to query the status of 4 Ethernet links on the detector. However, some detectors have fewer than 4 links and the Dectris API does not provide a way to query the actual number of links. For example our
Eiger 500 only has 2 links, and so only links 0 and 1 exist, and I see those error messages for links 2 and 3.
These error messages can be ignored.
Mark
From: Mark Rivers
Sent: Wednesday, June 15, 2022 2:02 PM
To: John Dobbins <john.dobbins at cornell.edu>
Cc: tech-talk at aps.anl.gov <tech-talk at aps.anl.gov>
Subject: RE: ADEiger R3-4 EIGER1 param=high_voltage/state
Hi John,
You can ignore that message. The driver only polls that value if it is an Eiger2, but it does create the parameter even if it is an Eiger1. That is a mistake and I will
fix it in a future release.
Mark
From: Tech-talk <tech-talk-bounces at aps.anl.gov>
On Behalf Of John Dobbins via Tech-talk
Sent: Wednesday, June 15, 2022 1:36 PM
To: tech-talk at aps.anl.gov
Subject: ADEiger R3-4 EIGER1 param=high_voltage/state
I just built ADEiger from the current Master (R3-4). When I start the EIGER1 IOC I get a message
RestApi::get: [param=high_voltage/state] server returned error code 500
2022/06/15 14:23:47.959 Param[HV_STATE]::baseFetch: [param=high_voltage/state] unable to parse json response
2022/06/15 14:23:47.959 Param[HV_STATE]::fetch<string>: [param=HV_STATE] underlying baseFetch failed
The is after eigerDetectorConfig.
According to the ADEiger/RELEASE.md high_voltage/state is only available on EIGER2.
Firmware: eiger-1.6.6-272.gitb59a1d9.release
Research Support Specialist
Cornell High Energy Synchrotron Source
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- ADEiger R3-4 EIGER1 param=high_voltage/state John Dobbins via Tech-talk
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ANJ, 14 Sep 2022 |
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