[Ovmsdev] V3 CAN frames missing last four data bytes

[Tom Parker]

On 27/10/17 20:04, Mark Webb-Johnson wrote:
> DBC does seem an acceptable format. Ugly as hell, though.
>
> A couple of references I found:
>
>     https://github.com/stefanhoelzl/CANpy/blob/master/docs/DBC_Specification.md
>     http://www.socialledge.com/sjsu/index.php?title=DBC_Format
>
>

DBC is being used by comma.ai see https://github.com/commaai/opendbc

>
> Here’s KCD:
>
>     https://github.com/julietkilo/kcd
>

I've been documenting the Leaf Can bus using KCD and I built a man in 
the middle for the LBC controller with can4python. It turned out fairly 
ugly because can4python doesn't support multiplex signals. 
https://carrott.org/git/leaf-can-utils.git/blob/HEAD:/nissan-leaf.kcd 
and 
https://carrott.org/git/leaf-can-utils.git/blob/HEAD:/nissan-leaf-mitm.py

I haven't had time to do it, but I'd really like to implement multiplex 
signal support in can4python so I can simplify the mitm.

I'm not sure why so many open source can bus efforts have been abandoned 
before they're fully done.
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