Subject: |
Re: CAMAC |
From: |
[email protected] (Marty Kraimer) |
Date: |
Fri, 4 Nov 1994 08:19:45 -0600 |
> From [email protected] Fri Nov 4 02:09 CST 1994
> Date: Fri, 4 Nov 94 01:09:00 MST
> From: [email protected] (Bob Dalesio)
> To: [email protected]
> Subject: CAMAC
> Content-Type> : > text>
> Content-Length: 425
>
> There are currently two schools of thought on the addressing of cAMAC.
> One puts the configuration parameters into a proliferation of DTYPs
> The other overloads the param field.
> Is there a way to install the driver that either will work?
My guess is that either method relys on a thin device layer above the actual
camac driver. If you are talking about the CEBAF driver I am sure this is true.
The CAMAC driver has no knowledge of EPICS (nor should it) but relys on a
device layer to interface to epics. This both methods could easily be supported.
> Should we standardizer on one or the other?
I vote for overloading the parm field.
> Should we be tolerant until version 4 comes along and fiexs this problem?
I vote yes.
> In the mean time which should be intsalled to demonstrate CAMAC.
I think I already gave my opion above.
One last comment. This concerns configuration parameters for the driver such
as vme addresses. PLEASE dont add any more definitions to module_types.h.
Instead provide a configuration routine that can be executed from the
vxWorks startup file. For example
camacConfig(<vme addr>,<interrup vector>, ... )
Also use the device registration routines described in the application
developers guide to allocate vme addresses, interrupt vectors, etc.
We can do better in Version 4 but for now this is the best "band-aid" I can
think of.
For Version 4 we can do better
Marty Kraimer
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