[Ovmsdev] OvmsDev Digest, Vol 102, Issue 8

[Derek Caudwell]

Great Michael,

Let me know and I'll test the build out.

I have a 2016 AZE0 Nismo JDM Leaf and noticed when I turn it on it throws 2
errors repeatedly on can2 (off or charging it's fine). What's the best way
to diagnose the root cause of the errors?

I assume ovms just ignores traffic it does not recognise, and LeafSpy shows
a U1000 DTC on Meter that won't clear.



Date: Fri, 10 Jul 2020 08:55:32 +0800
> From: Mark Webb-Johnson <mark at webb-johnson.net>
> To: OVMS Developers <ovmsdev at lists.openvehicles.com>
> Subject: Re: [Ovmsdev] Wifi setup
> Message-ID: <CFB768E9-8101-495C-8826-085302DDB0C9 at webb-johnson.net>
> Content-Type: text/plain; charset="utf-8"
>
> FYI:
>
> I?ve recently done some work with the esphome system (based on platformio
> on top of esp idf), for home automation. They don?t seem to trust the ESP
> libraries identifying the strongest signal (in the case of two APs
> broadcasting the same SSID). They don?t blindly connect to a SSID, but
> instead first do a scan to produce an ordered list and then connect to the
> SSID+AP-MAC-Address of the AP with the strongest signal.
>
> That approach might help with your other issue (recently raised in mantis).
>
> Regards, Mark.
>
> > On 10 Jul 2020, at 5:43 AM, Michael Balzer <dexter at expeedo.de> wrote:
> >
> > ? Welcome Derek,
> >
> > I've got a rework of the wifi component near done that allows to use
> scanning mode in apclient configuration. I think I can push the changes
> tomorrow & suggest you'll be my beta tester ;-)
> >
> > Regards,
> > Michael
> >
> >
> > Am 09.07.20 um 20:50 schrieb Derek Caudwell:
> >> Hi devs,
> >>
> >> I recently received the ovms hardware and have been trying to setup the
> unit so I can solely use the wifi AP+client. In NZ 3G is soon to be sunset
> and for my needs I don't really need a connection when I'm driving (and
> want to make sure everything is behaving nicely on the can bus before I
> do).
> >>
> >> I realise AP+client brings it limitations however hopefully some of
> these can be worked around as I want to be able to use the
> dashboard/plugins as well as the mobile app. I am new to C/ESP32
> programming and the code base so I thought it best to ask a few questions
> before I begin tinkering with it.
> >>
> >> Ideally I want the unit on loss of connection to an AP to try and find
> another AP that has been set in the wifi config and connect. The parts I am
> not too sure are as follows:
> >>  - on boot the code uses the default wifi ssid, if the default is not
> available how does the code try and switch to one of the other saved APs?
> >>     - can multiple APs be saved to the wifi config memory and handled
> by ESP32? or do they need to be retrieved from ovms config, wifi client
> details set, try connect and enumerated through?
> >>  - I assume EventTimer10 is the logical place to add extra code if
> required to enumerate through APs and try to connect? similar to
> EventScanWifiDone when in SClient mode
> >>  - What is the reason scanning mode is unavailable for AP+client mode
> in auto init, from the ESP32 documentation it appeared to be usable still
> but with limitations?
> >>
> >> Thanks in advance for any pointers and background.
> >>
> >> Cheers Derek
> >>
> >>
> >> _______________________________________________
> >> OvmsDev mailing list
> >> OvmsDev at lists.openvehicles.com
> >> http://lists.openvehicles.com/mailman/listinfo/ovmsdev
> >
> > --
> > Michael Balzer * Helkenberger Weg 9 * D-58256 Ennepetal
> > Fon 02333 / 833 5735 * Handy 0176 / 206 989 26
> > _______________________________________________
> > OvmsDev mailing list
> > OvmsDev at lists.openvehicles.com
> > http://lists.openvehicles.com/mailman/listinfo/ovmsdev
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