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Subject: Re: AJB wake up in car application

Re: AJB wake up in car application

From: <Matthias.Klumpp_at_gmx.de>
Date: Thu, 29 Apr 2004 21:03:47 +0200 (MEST)

Hi,

well as already told, I'm not knowing the internals.
As i understood Jörg in his last mail, he sees some way to solve that
problem. Well we'll see.

Matthias

> > Well, I have no possibility to flash my AJB and I even don't want to.
> > Even so I tried making that mod, w/o any effect at all.
>
> If you don't flash your box, you have no chance to get it running by
> simply
> switching on power. The original Archos firmware will always hang at the
> charging screen and there's no possiblity for Rockbox to change that
> because
> it hasn't been loaded yet.
>
> You'll either have to flash your box and change the Rockbox code or you'll
> be stuck with the HW solution.
>
> > At the end some words about the HW solution with power pulse:
> >
> > - I did not find anybody, who could explain how it works exactly.
> > - I was never able to reach any result with my AJB Studio player.
> > - Some guys were commenting that they hit the criteria by luck while
> > switching on car ignition.
> >
> > => I still do have the opinion, that that HW solution isnt't very well,
> > because it's (maybe) not working at all, or not working 100%-ly and
> needs
> > aditional HW to work in the car (some HW device creating that power
> pulse)
>
> Your jukebox will power on as soon as it gets power from the DC IN jack.
> Then the Archos firmware starts and tries to detect, whether there is
> power
> connected or not, in order to decide if it has to go to the charging
> screen
> or to the directory browser. You have to remove the power again between
> these two events.
> It's easily done by hand (just to understand how it works): switch your
> jukebox off, then insert the power plug, as soon as the green light goes
> on
> remove the power plug again. That's it.
> If you want to do it automatically, you'll have to find the appropriate
> pulse length.
>
> IIRC, there were some schematics of a very simple circuit somewhere here
> in
> the mailing list or in the archosjukebox6000 yahoo group.
>
> Andreas
>
> _______________________________________________
> http://cool.haxx.se/mailman/listinfo/rockbox
>

-- 
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Received on 2004-04-29

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