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Jack the R
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PostSubject: Linux and car tuning   Sat Aug 16, 2008 3:08 pm

Has anyone heard of car tuning being done on Linux? It's hard to believe no one has gotten interested in hacking cars but I can't find anything on the google.
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BoattailBob
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PostSubject: Re: Linux and car tuning   Sat Aug 16, 2008 7:15 pm

I'm not too familiar with Linux myself but from what Ive read on the HPTuners forum its not possible. People have tried using emulators like WINE but had USB issues.
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Chicken
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PostSubject: Re: Linux and car tuning   Sat Aug 16, 2008 7:33 pm

I've heard of several people tuning with Linux....but unfortunetly, as soon as they boot up, they get the crap beat out of them....



...fucking electric hippies!!!
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AA
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PostSubject: Re: Linux and car tuning   Sat Aug 16, 2008 7:53 pm

MOVED TO SERIES II SCANS & TUNING

_________________
'98 SC Riviera 268k miles 298 HP/370 TQ 0-60: 5.79s ET: 13.97 @ 99.28 4087 lb 20.1 avg MPG Nelson Ledges Lap: 1:30
3.4" pulley AL104 plugs 180 t-stat FWI w/K&N 1.9:1 rockers OR pushrods LS6 valve springs SLP headers ZZP fuel rails
KYB GR2 struts MaxAir shocks Addco sway bars UMI bushings GM STB Enkei 18" EV5s w/ Dunlop DZ101s F-body calipers
EBC bluestuff/Hawk HP plus SS lines Brembo slotted discs DHP tuned Aeroforce Hidden Hitch


'05 GTO 49k miles 0-60: 4.8s 16.9 avg MPG Nelson Ledges Lap: 1:26
Because fun
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Jack the R
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PostSubject: Re: Linux and car tuning   Sat Aug 16, 2008 9:20 pm

I mean, writing tuning software from scratch. HPtuners can't be as complicated as Photoshop or Maya and yet there are a few open source 2d and 3d programs.

Even an open source program that only monitored KR would be a huge boost to the modding community. That $600 wall is a lot to climb over. Or instead of climbing over that wall you could be climbing over the camshaft wall instead.
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Chicken
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PostSubject: Re: Linux and car tuning   Sat Aug 16, 2008 9:24 pm

oh...I hear ya....


I'm still waiting for something to come around in OSX
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Jack the R
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PostSubject: Re: Linux and car tuning   Sun Aug 17, 2008 2:43 am

HPTuners is basically a spreadsheet editor, right? That part doesn't need to be written from scratch, we'd just need to reverse engineer the file format for OBD-II and then Open Office could edit it.
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deekster_caddy
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PostSubject: Re: Linux and car tuning   Sun Aug 17, 2008 9:41 am

OK here's your problem:

1) You need a hardware interface for communication
2) You need to find out how to decode the raw .bin file you might get, and how to then edit a 'table', which table you are editing, etc.

Basically you need to write a complete tuning package from scratch, which DHP and HPT have already done, albeit for Windows.
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#1BearsFan
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PostSubject: Re: Linux and car tuning   Sun Aug 17, 2008 9:53 am

As an IT Systems Administrator with a 25 year background in PC's, servers, etc... IMHO... not worth the time. I'd rather pay the cash and know I have something that works.
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Jack the R
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PostSubject: Re: Linux and car tuning   Sun Aug 17, 2008 2:14 pm

But what if you happen to enjoy the hacking process, and contributing to the community? This is no different in principle than the write-ups many of us have contributed. It's more complicated on the surface. But most problems that at first appear daunting get to be manageable once you put your mind to it and start breaking them down.

The knowledge for reverse-engineering file formats has to be out there. Photoshop and Microsoft Word's native file formats were reverse engineered and can be written by open source programs. I bet those were far more challenging than OBD-II.

It might take some guys with HP Tuners to contribute as bug checkers. I assume the commercial tuners can open files without having to be connected to a car (ie I send you a file and you open it,, without having to load it into your car first).
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deekster_caddy
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PostSubject: Re: Linux and car tuning   Thu Aug 21, 2008 9:48 pm

Of course it can be done. The question is who at GM can give you the secret tips you need to get started (IE how to initiate communications, upload, download, scan data, etc)

Some of that information should be 'standard' because it's OBD-II.
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