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Subject: RE: Diploma thesis: Connecting Archos Jukebox with Rockbox to a V olkswagen Radio
From: Stuart Tedford (stuart.tedford_at_piresearch.co.uk)
Date: 2003-01-29


This thread raises the issues I was trying to get across all those months
ago about the bi-directional remote control interface for RockBox.

I've said it before, and I'll say it again... If we could put the
bi-directional comms functionality into a cable/connector, and present a
standard UART interface to whatever wants to connect, people wouldn't have
to keep putting the same functionality (software and hardware flow control)
into the various remote devices and adaptors that come along.

And whoever designed/built it would have a far wider cutomer base than they
would for some specific remote control device. I know I'd pay good money
for a 3 wire UART interface cable for RockBox.

Stu.

> -----Original Message-----
> From: Plagge, Frank, Dr. [mailto:frank2.plagge_at_volkswagen.de]
> Sent: 29 January 2003 10:16
> To: 'rockbox_at_cool.haxx.se'
> Subject: AW: Diploma thesis: Connecting Archos Jukebox with
> Rockbox to a
> V olkswagen Radio
>
>
> Hello to all,
>
> you are right, a basic bidirectional communication is needed.
> A 'light'
> communication is possible. From the top view of the system
> the following
> parts are possible:
>
> Radio control panel:
> in: CD status with CD number, track number, playtime
> out: every keypress
>
> Archos:
> in: remote control like select playlist, track, play,
> stop, skip,
> etc
>
> Based on an Atmel micorcontroller solution, the communication
> with the radio
> is available as a prototype.
> The outgoing communication of the Archos is missing. I this
> this is not
> really needed, because it it possible to put the informations
> about the
> internal status of the Archos in the interface box.
> Additionaly the needed
> remote features of the Archos are not available. This means
> there is a need
> to extend the remote possibilities of the Archos within Rockbox. An
> interface box is needed which is connecting the different
> communication
> parts. Another operating point is thinking about a good user
> interface with
> the given radio control panel and designing a good so called
> remote-content-control via the CD changer interface for an
> external music
> archive. The main focus is keeping the radio system unchanged
> and keeping
> the Archos unchanged - except its firmware.
>
> Kind regards
> Frank
>
> PS: A detailed description (sorry, at the moment only in
> german) of the
> diplom thesis is available at
> http://www.vw-personal.de/stellenangebote/praktikant/P-5930.htm
>
>
>
>
>
> -----Ursprüngliche Nachricht-----
> Von: Andreas Stemmer [mailto:Andreas.Stemmer_at_web.de]
> Gesendet: Dienstag, 28. Januar 2003 18:48
> An: rockbox_at_cool.haxx.se
> Betreff: RE: Diploma thesis: Connecting Archos Jukebox with
> Rockbox to a
> Volkswagen Radio
>
>
> I thought about this concept (for a sony radio) a few months
> ago, but for a
> good UI it is necessary to have a working bidirectional
> communication as a
> first step. There was a long discussion about protocols and
> concepts on this
> mailing list. I am still planning to work on this topic (if
> I'll find some
> time), but it's too early for a diploma thesis for me (5th semester,
> electrical engineering, TU Munich). In a year perhaps...
>
> Andreas Stemmer
>



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