On Thu, Sep 17, 2020 at 05:55:28PM +0530, Jairaj Solanki wrote:
> I Tried to parse NMEA from GPS Receiver and the results were as below with
> no time service running in background :
If you use the NMEA, then why do you think the time service matters?
> also with ntp running it looks the same and not converging at all.
Again, why should running NTP make any difference at all?
> and this is not converging, Am I missing any configuration?
It is because of this:
/dev/ptp0 ignoring invalid master time stamp
I think the message is crystal clear. It says that the SW is ignoring
the time stamp. How should the servo converge if the time stamp are
being ignored?
> Why is the mater timestamp Invalid even when the GPS Receiver has acquired
> a fix?
The NMEA parsing code is in nmea.c
You can instrument nmea_scan_rmc() to see which test fails. (Not
every failing test prints a message.)
I guess your sentences lack the checksum on the end?
Thanks,
Richard
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