[Ovmsdev] Twizy controller configuration / CANopen SDO protocol

[Nikki Gordon-Bloomfield]

I know a local Twizy owner. Perhaps I can convince him to buy the kit?



On Thu, Jan 2, 2014 at 12:47 AM, Mark Webb-Johnson <mark at webb-johnson.net>wrote:

> Wow, nice!
>
> It is amazing the amount of low-level stuff you guys have managed to find
> for the Twizy.
>
> The CANopen SDO stuff probably deserves to be in vehicle.{h,c} - along
> with the pid polling stuff in 2.6.
>
> Regards, Mark
>
> > On 31 Dec, 2013, at 8:39 pm, Michael Balzer <dexter at expeedo.de> wrote:
> >
> > Hi everyone,
> >
> > sorry for dropping behind/off last months, lots of work.
> >
> > I've not been able to catch up on the framework advances yet, but
> nevertheless wanted to announce a major Twizy update I'm currently working
> on.
> >
> > This update enables access to the SEVCON controller configuration of the
> Twizy.
> >
> > Low level commands allow read and write access to all SDOs. Macro
> commands allow to easily change common settings like maximum speed, maximum
> torque, power and recuperation levels and drive profile characteristics.
> >
> > There is a potential benefit for other vehicles from this development:
> I've done a basic CANopen SDO protocol implementation for this. The
> implementation is specific to the Twizy only because it's limited to
> addressing just node #1 and currently only supports expedited SDO
> transfers, not segmented. The node id could easily be made variable, and
> segmented transfers should be not much of a problem. It still is nowhere
> near a complete CANopen protocol implementation, but allows SDO reading and
> writing. Tell me if this sounds useful for other vehicles.
> >
> > As I've not yet integrated your latest work, I've pushed this into my
> Github repository first:
> >
> > https://github.com/dexterbg/Open-Vehicle-Monitoring-System
> >
> > I'll also wait for some more user feedback before going on, and I also
> want to implement support for the Twizy 45 before merging this in.
> >
> > Just wanted to let you know in case you wonder about rising OVMS
> hardware sales lately ;-)
> >
> > Oh, and I wish you all a happy new year!
> >
> > Regards,
> > Michael
> >
> > --
> > Michael Balzer * Paradestr. 8 * D-42107 Wuppertal
> > Fon 0202 / 272 2201 * Handy 0176 / 206 989 26
> >
> > <dexter.vcf>
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-- 
Nikki Gordon-Bloomfield

http://about.me/aminorjourney/bio

email: nikki at littleCollie.com
tel: +44 7901 553308
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