[Ovmsdev] Open Charge Map

[Mark Webb-Johnson]

Lee,

It is on my plate.

The problem I am having is the vehicle firmware. I am trying to build a very lightweight event framework for picking up and reporting charge start and complete events (as well as drive start and complete events), but the problem is that we are very tight on space now. We have this in the logging framework, but that is too big to fit in some of the builds, so I'm trying to take it out of logging and make a smaller common framework which logging can use - but do that with little ram/flash impact. Once the events are coming out, we can then report them back to the server. I'd also like to use the same framework to improve notifications (for example, some people want notifications whenever a charge is finished while others want them only when a charge is interrupted) - I'm trying to save ram/flash by moving notifications to this new system, that I can then use for the new system to end up memory-neutral.

The privacy issues were documented in a framework eMail a while ago (copy attached). There were some comments that followed, which will be incorporated. We too would only like to focus on public charge stations.

Regards, Mark.

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On 16 Oct, 2014, at 11:18 am, Lee Howard <lee.howard at mainpine.com> wrote:

> Could someone provide an update with respect to where the code is at with updating Open Charge Map?
> 
> I know that I've been saying this was on my near-proximity radar, but I wanted to let those who were more-familiar with OVMS do this... if they wanted to.
> 
> I've been keeping tabs on recent opinions regarding publishing charging locations, and privacy seems to be a substantial concern.  For the most part people don't want to see automatically-published charging locations for private residences or other private-access locations.  It is my understanding that while databases like Plugshare may welcome private residences others like OCM are deliberately trying to avoid inclusion of these for privacy reasons.
> 
> Therefore, it may not be wise to publish charging info automatically.  Maybe the app could prompt the user each time a charge is completed with a simple "yes" or "no" prompt to publish (or not) the charging information to OCM.
> 
> Thoughts?
> 
> Thanks,
> 
> Lee.
> 
> 
> On 05/22/2014 09:07 PM, Lee Howard wrote:
>> OVMS could provide the vehicle type, the battery charge state, and by interpreting information from between the start-of-charge and the end-of-charge I'd think OCM could potentially interpret how much power was obtained.  I'm not sure how useful all of that is.
>> 
>> Thanks,
>> 
>> Lee.
>> 
>> 
>> On 05/22/2014 06:58 PM, Christopher Cook wrote:
>>> On that topic, what other data can OVMS provide about the charging session? Just interested as to what we can/should include in OCM. For OCM this would be a flexible chunk of OVMS specific (JSON format) data attached to the checkin which OVMS can add/remove fields to over time. OVMS could also provide a textual comment "charged for 30 mins @ 240V/70A" or similar but we would have the more detailed breakdown available for later parsing.
>>> 
>>> Chris
>>> 
>>> On 23/05/2014 09:38, Tom Saxton wrote:
>>>> I'm not proposing that OVMS develop a charging location database. It merely stores charging reports, "at this date and time, someone charged at 240V/70A at this longitude and latitude."
>>>> 
>>>>     Tom
>>>> 
>>>>> On May 22, 2014, at 3:44 PM, Lee Howard <lee.howard at mainpine.com> wrote:
>>>>> 
>>>>>> On 05/22/2014 02:49 PM, Tom Saxton wrote:
>>>>>> I'd like to make sure that whatever happens with OVMS reporting charging
>>>>>> station information stays open and stand-alone, not tied exclusively to
>>>>>> OCM.
>>>>> Is OCM not open-enough already that it could simply be viewed as the charging-location database for OVMS?  Why should OVMS duplicate the effort of developing a charging-location database?
>>>>> 
>>>>> Lee.
>>>>> 
>>>>> -- 
>>>>> *Lee Howard*
>>>>> *Mainpine, Inc. Chief Technology Officer*
>>>>> Tel: +1 866 363 6680 | Fax: +1 360 462 8160
>>>>> lee.howard at mainpine.com | www.mainpine.com
>>>>> 
>>>> _______________________________________________
>>>> OvmsDev mailing list
>>>> OvmsDev at lists.teslaclub.hk
>>>> http://lists.teslaclub.hk/mailman/listinfo/ovmsdev
>>>> 
>>> 
>>> _______________________________________________
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>>> 
>>> 
>> 
>> 
> 
> 
> -- 
> *Lee Howard*
> *Mainpine, Inc. Chief Technology Officer*
> Tel: +1 866 363 6680 | Fax: +1 360 462 8160
> lee.howard at mainpine.com | www.mainpine.com
> _______________________________________________
> OvmsDev mailing list
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