Re: Enable or select records

[Ralph Lange via Tech-talk <tech-talk at aps.anl.gov>]

Hi Simon,

Without going into the specifics of your application...

Device type mapping:

No need for the calc - the mbbi can do the mapping itself. Use the "Raw Soft Channel" device support (in Base) to have the mbbi do RVAL-to-index mapping.

Disabling:

There are several ways, of course ... I would indeed use disabling.

Add one "Disable<type>" bo record to each per-device-type database, with a default setting of 1=disabled. Point all hardware-connected records of that device type to this Disable<type> using SDIS="Disable<type> CA". (CA option to avoid pulling all records into the same lock set.)

The missing link:

Connecting its SELL to your mapping mbbi, use e.g. a dfanout record with SELM=specified to write a 0 (=enabled) to the Disabled<type> record of the recognized card type. (Don't forget the PP flag to process the Disabled<type>.)

The whole thing is a template per slot that you instantiate for each slot that is used. (Or the max number of slots if you don't care about unconnected records.)

Cheers,
~Ralph

ps. Database links work only locally, Channel Access links work locally and remotely.

CP on input links means "set up a monitor and process me when the value changes" - which is perfectly legal in any case.