From: jobarjo <jobarjo78_at_yahoo.fr>
Date: Fri, 13 Feb 2004 14:50:43 +0100

Wow you did reverse engineered the protocol by yourself! Good job!

Just another silly question: Where did you find the 8 pin DIN connector?

I now have to look around for a compatible cd changer, the 4 pin jack and
the DIN...

Hope I can find a still compatible changer. Do you think that any 8 pin DIN
connector will be M-Bus compatible?

I dont think the remote api is so exotic. As you said, lot of people is
looking for remote controlling the archos. There are lot of ways of
controling the archos.

As for the universal remote control, the principle is to mesure the time
distance between logical switches with an interrupt and a timer. It is then
easy to convert these distances to values according to the protocol.

This kind of universal remote pin api would work for most infrared, and the
alpine.

The interrupt handler would call remote pin handlers which would act
directly to the playing engine (and also send responses in this case)

One would be able to switch between remote handlers through the menu...

I haven't tweaked rockbox yet, but would be glad to help when I have the
hardware...


----- Original Message -----
From: "[IDC]Dragon" <idc-dragon_at_gmx.de>
To: "Rockbox development" <rockbox_at_cool.haxx.se>
Sent: Thursday, February 12, 2004 2:56 PM
Subject: Re: ANNOUNCE: Rockbox emulates M-Bus car CD changer (Alpine and
OEM)


> > Now I have to look at an alpine front end... Is it compatible with other
>
> other what?
> There are some OEM radios with MBus, see my original posting.
>
> > What about the protocol itself? can you display names on the frontend?
>
> Not on my radio, I'm very sorry about this.
>
> > What actions are sent to the archos?
>
> Currently none, but I'll work on this. I'm hesistant right now because I'm
> not sure on which way is minimum intrusive to Rockbox.
>
> > do you have an url explaining this?
>
> About MBus, yes:
> http://joerg.hohensohn.bei.t-online.de/mbus/index.htm
>
> > A remote plugin api could be great...
>
> I agree, but the use case is so exotic that we'd have a hard time to
> convince "the officials".
> An idea would be something like a compile-time option (doesn't have to be
a
> runtime plugin) to replace the cable remote with my M-Bus or infrared
remote.
> Other people are working on VW radio adaptation, a serial keyboard or
> networking was also an idea. Lots of things to abuse the remote pin.
>
> Jörg
>
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Received on 2004-02-13