[En-Nut-Discussion] Crystal CS8900A Device Drivers for ethernut

[Mike Cornelius]

Hi Jon,

Using your hybrid scheme do the interrrupts start working again once you
poll it after it has stopped generating interupts (I think that makes
sense...)

If so that sounds like a neat solution...

Mike

-----Original Message-----
From: en-nut-discussion-admin at egnite.de
[mailto:en-nut-discussion-admin at egnite.de]On Behalf Of Jon Anders Haugum
Sent: Wednesday, June 11, 2003 4:57 PM
To: en-nut-discussion at egnite.de
Subject: RE: [En-Nut-Discussion] Crystal CS8900A Device Drivers for
ethernut


I've been able to provoke it quite easily by flood-pinging a CS8900.

Also I once made a hybrid with it. Meaning I still used the interrupt, but
at timed intervals I polled the device in addition. Worked excellent, but
this wasn't with the nut.



Jon

On Wed, 11 Jun 2003, Mike Cornelius wrote:

> Hi Doug,
>
> I've found that in my application polling the device works just fine, it's
> really going to depend on your application though.
>
> I've heard that the interrupt bug is more myth than reality but i've not
> been prepared to risk it.
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Mike Cornelius                      Internet: mikec at calldirect.com.au
> Call Direct Cellular Solutions      Phone:    +61 2 99-65-75-85
> Level 1 8-22 West St North Sydney   FAX:      +61 2 99-65-75-90
> NSW 2060 Australia                  URL:      http://www.calldirect.com.au
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
> -----Original Message-----
> From: en-nut-discussion-admin at egnite.de
> [mailto:en-nut-discussion-admin at egnite.de]On Behalf Of Doug Daniels
> Sent: Wednesday, June 11, 2003 5:20 AM
> To: 'en-nut-discussion at egnite.de'
> Subject: [En-Nut-Discussion] Crystal CS8900A Device Drivers for ethernut
>
>
> Hi I'm running an Atmel demo board with a Atmega103, soon to be popped off
> and replaced with an Atmega128, but it has a Crystal CS8900A ethernet chip
> and was wondering if there were drivers already for it for ethernut. I'm
> still digging through the archive, so maybe I'll find something, but if
> anyone has up to date ones or knows of any work around for that 8-bit
> interrupt bug on the CS8900, or if thats just a slight myth, or even if
its
> possible to get decent performance by polling the device, would be
helpful.
> ~Doug
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