On 5/17/22 17:55, Mark Webb-Johnson wrote:
>
> Regarding:
> https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/issues/704
> <https://github.com/openvehicles/Open-Vehicle-Monitoring-System-3/issues/704>
>
> Marko did some work on the back in 2019, and helpfully published under
> MIT license here:
>
>     https://github.com/mjuhanne/OVMS-SWCAN
>     <https://github.com/mjuhanne/OVMS-SWCAN>
>
>
> Very grateful for that.
>
> Now, the Bolt EV people are asking for this.
>
> In general, it seems that we can do a simple board in the same way as
> the K-Line was done. Use the two available GPIOs (one for INT and the
> other CS). Then the GPIOs on the MCP2515 to control the transceiver
> mode. Expose the single SWCAN pin on the DB9, in the same way as K-Line
> does it. GND (for SWCAN-low) is already available there.
>
> Anybody see any problems with that approach?
>
> I am happy to arrange the hardware, given sufficient interest, but have
> almost no way of testing (as none of the cars I have access to have SWCAN).

I would like to support this work and can test with my Cadillac. I also
have a couple of the ovms protoboards and could probably build my own
hardware to test with.

                Craig
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