[Ovmsdev] Time variable

[Tamás Kovács]

I use a universal gps connected to ovms, not the car own gps. (
https://www.fasttech.com/products/1020200)

Stephen Casner <casner at acm.org> ezt írta (időpont: 2019. nov. 7., Cs, 0:42):

> Tamás,
>
> This looks like the GPS sensor did not handle the rollover of the
> 10-bit week-number field in April, 2019.  So the timestamps are off by
> 1024 * 7 * 24 * 60 * 60 seconds.  Here is the US government alert about
> this problem:
>
>
> https://www.us-cert.gov/sites/default/files/documents/Memorandum_on_GPS_2019.pdf
>
> This problem was recently discovered for the Garmin GPS 18x LVC
> sensors in the Tesla Roadster 2.5 (but not in the earlier 1.5 version
> like I have, which has the older GPS 18 LVC sensor):
>
>
> https://teslamotorsclub.com/tmc/threads/caution-annual-service-car-power-down-gps-issue.163328/
>
> There is a firmware update to fix this for the GPS 18x LVC.  Perhaps
> there is one for the GPS sensor in the Mitsubishi as well.
>
>                                                         -- Steve
>
> On Wed, 6 Nov 2019, Tamás Kovács wrote:
>
> > I have a problem with utc time, the time is correct but the date is not
> > valid. I use 3.2.005-99-g88cfeef9 version with modification of Mitsubishi
> > i-MiEV.
> >
> > OVMS# me li utc
> > m.time.utc                               953756768Sec
> > I (900675) housekeeping: 2000-03-22 21:27:06 CET (RAM: 8b=82812-86452
> 32b=27308)
> > I (981115) webserver: HTTP POST /api/execute
> > I (981115) webcommand: HttpCommandStream[0x3fa32958]: 1984428 bytes
> > free, executing: time
> > OVMS# time
> > Time Zone:  CET-1CEST,M3.5.0,M10.5.0/3
> > UTC Time:   2000-03-22 20:28:27 UTC
> > Local Time: 2000-03-22 21:28:27 CET
> > Provider:   gsm-nmea
> >
> > PROVIDER             STRATUM  UPDATE TIME
> > *gsm-nmea                  2       0 Wed Mar 22 20:28:27 2000
> >
> >
> > --
> > Üdvözlettel:
> > Kovács Tamás_______________________________________________
> OvmsDev mailing list
> OvmsDev at lists.openvehicles.com
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>


-- 
Üdvözlettel:
Kovács Tamás
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