[Ovmsdev] OVMS v2 Memory/Settings Corruption

[Julien Banchet]

Hi Michael,

And thanks,

Mine is a 2012, also got the charger replaced in time, but maybe a simply
power-tweaked one at the time... I didn't know it was the charger
responsible for deciding to keep the 12v charged (I know it does the
charge, though I believed the decision making was done elsewhere)

I'll put it in SMS mode tomorrow and see how it goes over the weekend
(though I can't monitor the 12V without IP, i'll get the low bettery alerts
though ;-) )

Can't wait for V3 !

JaXX./.



On Thu, Nov 24, 2016 at 10:47 PM, Michael Balzer <dexter at expeedo.de> wrote:

> Hi Julien,
>
> I was lucky to get my charger exchanged just before end of warranty, it's
> definitely better with the charger keeping the 12V battery up.
>
> Tough situation when parking underground. The module may use a lot of
> energy if the GSM and GPS situation is bad. Switching off GPRS and GPS
> should save a lot of power then. I'll have a look at it.
>
> Have you tried switching off GPRS to see how much that will help?
>
> The EEPROM data loss is a known issue, and I'm afraid there's nothing we
> can do about that. It seems to be a bug in the PIC18.
>
> Regards
> Michael
>
>
>
> Am 24.11.2016 um 22:10 schrieb Julien Banchet:
>
> Hi all,
>
> Thanks to Michaels last message to remind me to ask a question here:
>
> Since a few months, maybe a bit more because it happens only once in a
> while, I have noticed I wasn't receiving the SMS alerts (feature on SMSIP
> mode) , and sending a "Stats?" only gave me the nasty access denied answer.
>
> It turns out, using the application, I noticed that the phone number was
> getting corrupted (afaik, it's the only setting affected)
>
> Normally: "+33651886877" it became "+336k1886877" or "+33651886Z77"
> etc... like a solar flare bit flip !
>
> It seems it happens only upon reconnection of the ovms module the the OBD
> plug (Twizy) as, well, the 12V battery, though brand new, can't last a
> weekend (car parked underground, I suppose the GSM needs to force a bit too
> much)
>
> So question: Has any one suffered from such an issue ?
>
> And, otherwise, Michael might be able to tell:
> Would having the feature on SMS only (without IP) consume less energy ? If
> so, would it possible to imagine a Hybrid mode, IP active only if vehicle
> on charge or keyon ?
>
> Thanks,
>
> JaXX,
> PS: Despite winter, thinking of building a solar panel + thin plexi
> sandwich for the rooftop, just because of the 12V battery :-) Only recent
> twizys can charge the 12V from the traction battery when resting.
>
>
> _______________________________________________
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>
>
> --
> Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
> Fon 02333 / 833 5735 * Handy 0176 / 206 989 26
>
>
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