Am Montag, 27. November 2006 13:26 schrieb Alfille, Paul H.,M.D.:
> Hi Jan,
>
> Is this still an open problem? I tested the DS9097 (Passive) adapter which
> uses very similar logic and had a similar fix done. It works. I don't have
> a DS2482 to test.
>
On my development machine, with a home-brewn ELV type parallel-i2c adaptor and
DS2482 connected to this "i2c", it works.
No key connected:
janskiste:/vault/1/Software/sources/owfs # time /opt/owfs/bin/owdir -s
localhost:19149 bus.0/uncached
janskiste:/vault/1/Software/sources/owfs # time /opt/owfs/bin/owdir -s
localhost:19149 bus.0/uncached
real 0m0.058s
user 0m0.002s
sys 0m0.002s
janskiste:/vault/1/Software/sources/owfs #
Ok to me. Scanning all eight buses needs ~300ms, seems reasonable.
With one key connected:
janskiste:/vault/1/Software/sources/owfs # time /opt/owfs/bin/owdir -s
localhost:19149 bus.0/uncached
bus.0/uncached/01.7ABFA6080000
real 0m0.787s
user 0m0.000s
sys 0m0.005s
janskiste:/vault/1/Software/sources/owfs #
Ok, as the parallel-i2c adaptor does bitbanging and should be quite slow.
I'm not sure how the embedded computer responds; it is much slower but has a
true i2c hardware on the other hand. Then, we'll had big problems with last
weeek's CVS on the embedded board. More need for investigation...
Kind regards
Jan
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