Does rtems have a portable, sort-of calibrated time-wastingloop?
norume at aps.anl.gov
Wed Mar 26 15:07:55 UTC 2003
gregory.menke at gsfc.nasa.gov wrote:
> I'm porting the Linux 3com driver and in a couple places it waits on
> the hardware- usually a quick test with a fallback to longer and
> longer intervals with either eventual success or failure. I've not
> found any of these waits in the rx/tx isr yet- but theres not
> telling. Its pretty hairy code in there..
A couple of side issues here:
1) Why not start with the FreeBSD driver?
2) It's likely that you want to move a large portion of the linux
interrupt handler code into the RTEMS driver rx/tx thread(s). None of
the RTEMS network stack code should be called from an interrupt handler.
Eric Norum norume at aps.anl.gov
Advanced Photon Source Phone: (630) 252-4793
Argonne National Laboratory
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