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Mono gets stuck when attempting to move to current energy #9

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prjemian opened this issue Dec 17, 2020 · 1 comment
Open

Mono gets stuck when attempting to move to current energy #9

prjemian opened this issue Dec 17, 2020 · 1 comment
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@prjemian
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From APS 4-ID-C Polar (APS-4ID-POLAR/ipython-polar#52 (comment)),

[the EPICS monochromator code] gets stuck in moving if you try to move to the same energy.

See this animated graphic to reproduce:

test

Pressing the Move button unsticks it. Is there a way to fix in the monochromator support code here? The current behavior jams up Bluesky control. (Bluesky could add a check if the move is trivial and then avoid asking EPICS to set the energy to the same value.)
@prjemian prjemian added the bug label Dec 17, 2020
@gfabbris
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Should we ask somebody in particular about this?

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@prjemian @gfabbris