Experimental Physics and
Industrial Control System

"Josep A. Perlas" <[email protected]> · Wed, 25 Jun 1997 19:29:11 +0200

Hello,

Andrew Johnson wrote:

> Hi Josep,
>
> I think the stuff which Bakul has will just be a new version of the
> mv167 BSP, which is no use to you on an mv147 - I'd be surprised if they
> have actually patched vxWorks itself.
>
> I'm not sure if this is sufficient, but try just setting the byte at
> fffe102b to zero.  You can do this manually with:
>
> -> m 0xfffe102b,1
> fffe102b:  02-00
> fffe102c:  00-.
>
> value = 1 = 0x1
> ->
>
> You'll probably have to do this before iocInit though, so you might need
> to create a program to do it for you which you load and run within the
> startup script - this code should do the trick:
>
> void enableA24dma() {
>     unsigned char *sbar = 0xfffe102b;
>     *sbar = 0;
> }
>
> Let me know if this works (or doesn't!).
>
> -- Andrew

Yes, IT WORKS!!! Many thanks to all the people who replied. I will,
nevertheless,try to see what John Winans did in the patch for the MVME162 and
try to
apply it for the MVME147 as a more elegant solution.

        Josep Perlas
--
_____________________________________________________
Dr. Josep A. Perlas - Control System and Power Technology
Lab. Sincrotro Barcelona - IFAE --------  Tel: (+34 3)581.28.38
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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System