[Ovmsdev] Locations and scripts

Stephen Casner casner at acm.org
Tue Apr 2 14:53:43 HKT 2019


I think Mark is requesting "can log trace" rather than "can log
crtd".  For the former you have already implemented rotation of
the log files based on max size as configurable in the web UI, right?

                                                        -- Steve

On Tue, 2 Apr 2019, Michael Balzer wrote:

> I've used the trace command to log high volume CAN traffic, that's no problem (at least with a recent module having the SD speed fix).
>
> The tracing just lacks a file rotation, but that shouldn't be hard to add.
>
> Regards,
> Michael
>
>
> Am 02.04.19 um 04:58 schrieb Mark Webb-Johnson:
> > I am not sure if the SD is fast enough to store can log files. It would not be too hard to start/stop logging in javascript (without code changes).
> >
> > Regards, Mark.
> >
> >> On 2 Apr 2019, at 10:28 AM, Stephen Casner <casner at acm.org> wrote:
> >>
> >> 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
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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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