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Subject: Re: Still having charging problems with Rockbox in flash

Re: Still having charging problems with Rockbox in flash

From: George Styles <george_at_ripnet.co.uk>
Date: Wed, 23 Jul 2003 08:41:58 +0100

I have 1800mah NiMH battaries, and I have that set in battary capacity in
the menu,

g

----- Original Message -----
From: "Brian Wolven" <Brian.Wolven_at_verizon.net>
To: <rockbox_at_cool.haxx.se>
Sent: Tuesday, July 22, 2003 11:11 PM
Subject: Re: Still having charging problems with Rockbox in flash


> idc-dragon_at_gmx.de wrote:
> >> Hi,
> >>
> >> Im still having strange problems with Rockbox in flash - using todays
> >> CVS with new charging screen. It charges, then goes to top-up, but
> >> when I pull the power, its on 60% charge.
> >>
> >> Charging with Archos firmware is fine...
> >>
> >> Any useful info I can collect to help get to the bottom of this?
> >
> > What capacity do your cells have? The default of the charging algorithm
> > is 1500 mAH. Remember that I don't load the settings yet. Maybe the
> > discharge curve is different, the capacity "measurement" can be no more
> > than an estimation.
> > Rockbox tries to determine the charge time and also uses a delta method
> > to stop charging, versus Archos does a "brute force" charging, I think.
>
> I thought the battery capacity setting was only used to calculate the
> remaining runtime, but I May Be Wrong (TM).
>
>
Received on 2003-07-23

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