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[purpledippy]

Hi all.

Omega running fine still since Feb and since its overhaul of jobs done on it.

But... the CDR2005 ... I mean, OK it works, but ...!!!!

Horrible design, horrible interfaces. Horrible in that as I have read in the forums it hooks into the LCD digital display (CAN?) and to remove it will partially remove display functionality.

No real Vaux replacement apart from a CDR2006 (Nightmare #2). Heavens above, an internal changer? It's all backwards development since the Carlton's Blaupunkt 10 disc changer.

Nightmare!

I am so wishing I had put in the time to remove my WKC4871 from my old Carlton.

OK, rant over

Of course there are Pioneer etc head units but Vauxhall have not made it easy for us here have they?

So, once I have been on my jollies I will be royally stripping out the CDR2005 for either:

Raspberry Pi / DAB / 7" LCD screen (have the Pi and screen already from an old project)

or

Android 7" tab with an MP3 player and some kind of USB DAB connection - as I do like my Talk Sport radio.

I have also looked into the CAN bus technology on Google and now have some CAN to USB hardware which I am hoping to interface to the Pi or tablet. At the moment, I've just enabled my Cruise Control, which was not enabled for some reason. Got cruise now though - no more M6/M5 ankle pain! Yay! But I digress...

I'm no stranger to programming so might make my own basic interface app for the Pi or tab or I might just go with the ones available on Google Play if I go the tab route. It may be a long haul for the former unless I can source an SDK or example source code from somewhere.

Also, I have searched the forum for a data sheet on the triple line display to see how interfaceable it is as it would be nice to still utilise it and although there is general comment information about this on this forum, I can't see specific design and input docs. Does anyone know if it is CAN bus signal control into it or RS232 from the CDR2005? I believe most info to the display goes via the CDR2005?

Anyway, I'll start posting my project in a new topic once I'm back from my jollies in Aug.

Until then, I will put up with the nightmare that is the CDR2005.

Apologies for the long post but I needed to vent

If anyone does have input spec docs for the triple line display, I would be interested in hearing about it.

Many thanks!

[TheBoy]

No CAN on CDR2005.

The only link between radio and screen on these is the Radio Station info and CD info. The display still works fully without the radio, with the exception that the radio info isn't displayed.

Only other thing with GM is the perm 12v and ign 12v are reversed.


Hope that makes sense.

[purpledippy]

Thanks for the reply. I must have read a previous post wrong. Phew, that makes life easier.

It would be nice to find out what the interface is between CDR2005 and 2nd / 3rd line of RID. It would be cool to reuse these segments for other info. I'll keep poking.

Yes, no worries on the 2x pins, thanks.

Cheers for the reply.

[TheBoy]

I think its a version of that proprietry Phillips one used on many cars.

[purpledippy]

Thanks. With the Phillips keyword, I have manage to find the following which will be of great help...

http://forum.arduino.cc/index.php?topic=78634.0

http://forum.gsmhosting.com/vbb/f179/opel-display-connecion-607578/

Thanks again!

[purpledippy]

I'm also going to note this page ...

http://learn.adafruit.com/adafruits-raspberry-pi-lesson-4-gpio-setup/configuring-i2c

... if I go the Pi route.