[Ovmsdev] System diagram?

[Mark Webb-Johnson]

Dave,

Answers inline below.

Regards, Mark

> On Mon, 28 Apr 2025 at 03:35, Mark Webb-Johnson <mark.johnson at network-box.com <mailto:mark.johnson at network-box.com>> wrote:
>> Dave,
>> 
>> We have:
>> 
>> https://www.openvehicles.com/developers
>> 
>> as a starting point,
> 
> which provides a basic system hardware diagram, though it's rather
> heavy on acronyms!
>   Are all parts used? A-D & D-A, encryption, touch sensor - I'm guessing
> this diagram is from the makers literature?

The diagram you refer to is the ESP32 microcontroller we use.

I was referring more to the other links on that page (Developer Guide, Source Code, Getting Started Vehicle).

>> and the developer’s guide:
>> 
>> https://docs.google.com/document/d/1q5M9Lb5jzQhJzPMnkMKwy4Es5YK12ACQejX_NWEixr0
>> 
>> has detailed information on each hardware component.
>> 
>> But I’m not aware of any system / software architecture diagrams.
> 
> I had hoped for a modular structure to see how the sw interfaced,
> perhaps to pick up on some lesser parts to get into it.
> I worked with low level stuff 40 years ago, asm and C.
> More recently Python and scripting on my Fedora box.
>    What sort of development environment do you use please?
> Are there data sets available for different cars for testing?
> Are all the devs working on Windows please?
> All the docs seem to imply a windows environment?

Windows toolchain is on page #6 of the developer guide. Linux and Mac OSX is page #13.

I use Mac and Linux myself. I think the developers here are pretty mixes amongst the three platforms.

Regarding data sets, I presume you mean CAN bus dumps? I have some for Tesla cars (roadster, S, X). Others typically maintain them for their own cars. People may be reluctant to share as the dumps may contain personally identifiable information (not just VINs, but also things like latitude and longitude coordinates of charging, parking, etc).

> regards
>   
> --
> Dave Pawson
> XSLT XSL-FO FAQ.
> Docbook FAQ.

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