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Re: ISR/DSR without kernel present

From: Nick Garnett <nickg at ecoscentric dot com>
To: bob dot koninckx at mech dot kuleuven dot ac dot be
Cc: ecos-patches at sources dot redhat dot com
Date: 31 Jul 2003 17:18:23 +0100
Subject: Re: ISR/DSR without kernel present
References: <1059569362.30673.6.camel@pc086-2.mech.kuleuven.ac.be><m31xw8gigr.fsf@miso.calivar.com> <1059599898.1123.132.camel@pc-002><m3smon9h1a.fsf@miso.calivar.com><1059659911.31872.15.camel@pc086-2.mech.kuleuven.ac.be>

Bob Koninckx <bob.koninckx@mech.kuleuven.ac.be> writes:

> 
> Main problem is time here. We have the protocol stack, and it uses
> interrupts. I certainly do not have the time to find out how that beast
> (and it really is an ugly one :-) works internally and completely
> rewrite the device drivers.

well, you could probably just call its ISRs from the polling loop. If
they are sensibly written they should not mind be called when there is
no real work to do. But it sounds like what you want to do may be the
easiest approach given an amorphous blob of code to get running.

-- 
Nick Garnett                    eCos Kernel Architect
http://www.ecoscentric.com      The eCos and RedBoot experts

References:
- ISR/DSR without kernel present
  - From: Bob Koninckx
- Re: ISR/DSR without kernel present
  - From: Nick Garnett
- Re: ISR/DSR without kernel present
  - From: Bob Koninckx
- Re: ISR/DSR without kernel present
  - From: Nick Garnett
- Re: ISR/DSR without kernel present
  - From: Bob Koninckx

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