Argonne National Laboratory

Experimental Physics and
Industrial Control System

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

Subject: Xy220 device bug ?
From: cjm@mail.ast.cam.ac.uk (Chris Mayer)
Date: Mon, 19 Dec 94 15:11:43 GMT
We have been trying to use the Xy220 via a mbbo and found that we could not
drive the outputs that we wanted. Looking at the device layer code it seems
there is a missing shift operator in the init_record procedure i.e.

  pmbbo->mask = pmbbo->shft

should read

  pmbbo->mask <<= pmbbo->shft

has anyone else come across this problem and / or is this the correct way to 
fix it ? We are running r3.11.4 epics but looking in the beta release of r3.12
that we have appears to show the same problem.

    Chris Mayer
    RGO

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