Experimental Physics and Industrial Control System
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Paul Sichta wrote:
>
> I am using gdct313 to define an MBBI record and there is no place on the
> "Edit Attributes" form for specifying the number of bits to 'shift' the raw
> value (SHFT). mbbiRecord.dbd does not assign the SHFT field to a
> promptgroup. Is there a reason for this omission ?
The SHFT field is filled in by the device support layer automatically.
In your database you should just set the INP field to give the Card and
Signal number (or whatever address specification is used by your
particular device) of the lowest bit used, and set NOBT to the number of
bits to read. The same applies to the other binary record types.
-- Andrew
___
.' `. Andrew Johnson, Head of Electronics
/ Royal ) Royal Greenwich Observatory
\ Greenwich Madingley Road, Cambridge, CB3 0EZ
| Observatory Tel: +44 1223 374823 Fax: 374700
+---------- WWW: http://www.ast.cam.ac.uk/~anj
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ANJ, 10 Aug 2010 |
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