[Ovmsdev] Locations and scripts

[Mark Webb-Johnson]

Can the problem be triggered by covering the GPS antenna? Parking in the garage?

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
> _______________________________________________
> OvmsDev mailing list
> OvmsDev at lists.openvehicles.com
> http://lists.openvehicles.com/mailman/listinfo/ovmsdev