[Nut-upsdev] [nut-commits] svn commit r3104 - branches/apcsmart-dev/drivers
Arjen de Korte
nut+devel at de-korte.org
Wed Jun 29 14:39:40 UTC 2011
Citeren Michal Soltys <soltys op ziu.info>:
> Those two commands happen only once before the actual loop is in
> effect, during the initialization stage - in upsdrv_initinfo(). It's
> the only place where such large delay is used. Note this is only the
> max possible delay, the read will return as quickly as possible
> (each command ends with LF) - in case of one of my models it takes
> roughly 3 seconds ("capability set" command, "command set" is
> faster) - so I wanted to be on the safe side.
>
> I persume the upper limit it's not a problem when upsdrv_initinfo()
> is considered ?
In that case, it's fine. But be aware if for whatever reason you need
to call these functions from within in upsdrv_updateinfo, you'll need
to make sure not to hang around waiting for the answer.
Best regards, Arjen
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