[Ovmsdev] Locations and scripts

Stephen Casner casner at acm.org
Tue Apr 2 10:28:15 HKT 2019


Well, for my car this event has occurred twice in a few months, so the
idea of running a CAN bus dump in a wifi session all the time is not
practical.  What we would need would be a CAN bus dump to rotating
files, like the error message logging can do.

                                                        -- Steve

On Tue, 2 Apr 2019, Mark Webb-Johnson wrote:

> Steve,
>
> > What should I look for when this false alarm occurs?  Is it likely
> > that the alarm is issued when stable GPS operation is restored, so
> > what I really would need to see is a log of conditions before the
> > alarm?
>
> What we would ideally need would be at the time of the issue:
>
> metric list v.p
> CAN bus dump (can1) ID #100, B1=0x83,0x84,0x85
>
> I appreciate that is hard. Perhaps just leave a CAN bus dump running
> over wifi throughout the event? You could leave that running for
> hours. We could then replay that back through a box to recreate the
> issue.
>
> > And now that I have issued some messages in the app, how do I switch
> > back to other functions?  Is there a way to make the keyboard drop and
> > then find the buttons at the bottom of the screen?  (I realize that
> > restarting the app would be a solution.)
>
> Just click on the screen, away from the keyboard.
>
> Regards, Mark.
>
> > On 2 Apr 2019, at 5:47 AM, Stephen Casner <casner at acm.org> wrote:
> >
> > Mark,
> >
> > The false alarm occured again a few minutes ago.  I wanted to use the
> > web shell UI to check some status, but using the new messages feature
> > of the iPhone app I found the wifi was wedged again.  After I turned
> > wifi off and then back to client mode I would log in from the web
> > again.  I issued a location status command that indicated good lock.
> >
> > What should I look for when this false alarm occurs?  Is it likely
> > that the alarm is issued when stable GPS operation is restored, so
> > what I really would need to see is a log of conditions before the
> > alarm?
> >
> > And now that I have issued some messages in the app, how do I switch
> > back to other functions?  Is there a way to make the keyboard drop and
> > then find the buttons at the bottom of the screen?  (I realize that
> > restarting the app would be a solution.)
> >
> >                                                        -- Steve
> >
> > On Mon, 1 Apr 2019, Mark Webb-Johnson wrote:
> >
> >> I don't see this on the Model S vehicle.
> >>
> >> I suspect the issue is not handling GPS lock indicator correctly
> >> in the vehicle modules. For the roadster, we use ID#100, B1=0x85
> >> (GPS direction and altitude), B2==1 to control this, but that was
> >> always a 'best guess' without much data to back it up.
> >>
> >> Regards, Mark.
> >>
> >>> On 31 Mar 2019, at 11:12 PM, Stephen Casner <casner at acm.org> wrote:
> >>>
> >>> Mark,
> >>>
> >>> This message reminds me to mention that both Timothy Rodgers and I
> >>> have received false alarm car-theft notifications from OVMS.  Have
> >>> you?  I presume these are caused by temporary inaccuracy in the GPS
> >>> signal.
> >>>
> >>>                                                       -- Steve


More information about the OvmsDev mailing list