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Crazy Talk: Anyone do data logging on linux?


urs1ne

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So I have an android cell phone which is basically a linux computer, I can do a lot of fun development type things with it but I am hoping to find someone that knows how to connect a computer to a car with linux. I am hoping if you are a bit knowledgeable we can work backwards and try to figure out the differences so I can get it working on my phone. I know I am shooting in the dark here but I would rather ask you guys first and hey, you gotta start somewhere. :)
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Romraider is available for the linux platform, but I don't think many people use it. You're better off posting over on romraider forums.

 

As for the android, I wouldn't call it a "linux computer". A 528mhz ARM cpu isn't going to log a whole lot of parameters with much resolution imo.

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SSM runs at 4800 baud, like modems in the 1980s. 500mhz should be plenty of processing power if you can get even just 1/5th of it.

 

Do you have a way to connect the phone to the car's diagnostic port?

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The cable I have from Cobb is usb mini so it plugs in to the phone fine. It doesnt have a bunch of power but it should have as much if not more than the AP from Cobb which can data log. What I am hoping to accomplish is normal data logging with the addition of GPS and G forces. In theory full racing telemetry from a simple app on your phone and the correct cable.
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SSM runs at 4800 baud, like modems in the 1980s. 500mhz should be plenty of processing power if you can get even just 1/5th of it.

 

Do you have a way to connect the phone to the car's diagnostic port?

 

I guess if you're just data logging to a file and not graphically outputting gauges with romraider it will probably have enough power. I noticed after trying several laptops that I get much better logging resolution and less freezing issues with a duo core over an older p3.

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  • 2 months later...
Hey urs1ne, did you ever get this working? I'll probably be getting a new phone in the next few months and romraider would be really cool to play with on the phone instead of lugging my 7 year old Celeron XP laptop around (and the power cable and power inverter because the battery is fried).
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