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Subject: Re: ANNOUNCE: Rockbox emulates M-Bus car CD changer (Alpine and OEM)
From: jobarjo (jobarjo78_at_yahoo.fr)
Date: 2004-02-12


It seems really cool!

Now I have to look at an alpine front end... Is it compatible with other

What about the protocol itself? can you display names on the frontend?
What actions are sent to the archos?
do you have an url explaining this?

A remote plugin api could be great...
----- Original Message -----
From: "[IDC]Dragon" <idc-dragon_at_gmx.de>
To: <rockbox_at_cool.haxx.se>
Sent: Friday, January 30, 2004 2:26 PM
Subject: Re: ANNOUNCE: Rockbox emulates M-Bus car CD changer (Alpine and
OEM)

> Follow-up to an older posting of mine:
>
> > I have found an Alpine M-Bus pinout here:
> > http://www.nsx.net/projects/alpine.html
> >
> > And this is my ASCII art of the 4-pin headphone plug:
> > _
> > / \
> > \_/ left -> Alpine pin 5
> > |_| right -> Alpine pin 4
> > |_| remote -> Alpine pin 1
> > _|_|_ ground -> Alpine pin 2
> > | |
> > | |
> >
>
> Meanwhile I found out that it's advisable to connect ground to both Alpine
> pins 2 and 3. This is analog and digital ground, our Archos has only one.
> Otherwise the digital may be floating, works unreliable or not at all.
>
> Jrg
>
> --
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testen!

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