Rockbox mail archiveSubject: Re: Starting RockBox from the hard drive with connected power supply...
Re: Starting RockBox from the hard drive with connected power supply...
From: Alexandre Belloni <abelloni_at_nerim.net>
Date: Thu, 23 Oct 2003 17:00:27 +0200
On Thu, Oct 23, 2003 at 04:16:12PM +0200, Andreas Stemmer wrote :
> Just a quick idea:
> I think a few days ago somebody suggested to save the last battery
> measurement value in RTC memory to improve the first battery indicator estimation.
> Would this value be enough to decide wheter disk spin up would be possible?
> For the rare case that battery condition changes drastically while the
> jukebox is off (long time without use or changing of batteries) this would lead to
> a wrong decision, but it would perhaps be possible to store a "I try to spin
> up the disk now"-flag in RTC memory which would be reset if the spin up was
> succesful. If there's not enough power, the jukebox will shut down and the
> next time the jukebox is powered up, it would be possible to notice that there
> was a spin up that failed.
What about implementing a 'Charge Only boot mode' this would be
activated with F2+ON. So, when we ran out of battery and can't spin the
disk, we can choose to charge without trying to spin up the disk.
-- Alexandre Belloni AE-UTBM: http://ae.utbm.fr - - Lolut: http://lolut.utbm.info Key fingerprint = A7C6 7CD4 4328 59D1 79FD B8BB 945F 4DD5 B634 89BD