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Subject: 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 <>
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
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Received on 2003-10-23

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