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Re: [gpsd-dev] ntpshmmon


From: Nuno Gonçalves
Subject: Re: [gpsd-dev] ntpshmmon
Date: Tue, 14 Jun 2016 22:07:51 +0100

Epoch 97.0, processed by gpsd at 97.131, printed by ntpshmmon at 98.10
Epoch 98.0, processed by gpsd at 98.129, printed by ntpshmmon at 98.60.

I don't know if the confusion is in regard to the first value, but it
is the print time at ntpshmmon. It is not part of the shm message. If
you kill gpsd that will the only value that continues to be updated.

On Tue, Jun 14, 2016 at 10:03 PM, Gary E. Miller <address@hidden> wrote:
> Yo Nuno!
>
> Once again, how does this look fine?
>
> sample NTP0 1465896598.100108190 1465896597.131568720 1465896597.000000000 0  
> -1
> sample NTP0 1465896598.600334941 1465896598.129354454 1465896598.000000000 0  
> -1
>
> In no universe is that fine.
>
> On Tue, 14 Jun 2016 22:00:29 +0100
> Nuno Gonçalves <address@hidden> wrote:
>
>> I can't really understand what you mean.
>>
>> This test was at 115200. The samples look fine (in regard to the
>> message data). ntpshmmon is printing results every 500ms by default,
>> so it printed one at 598.1 (when only the 597 message was available),
>> and then once again at 598.6 (when 598 was already available, since
>> 598.129).
>>
>> On Tue, Jun 14, 2016 at 9:51 PM, Gary E. Miller <address@hidden>
>> wrote:
>> > Yo Nuno!
>> >
>> > I believe your patch masks the problem, but that is not a good
>> > thing.
>> >
>> > In your previous example:
>> >
>> > sample NTP0 1465896598.100108190 1465896597.131568720
>> > 1465896597.000000000 0  -1 sample NTP0 1465896598.600334941
>> > 1465896598.129354454 1465896598.000000000 0  -1
>> >
>> > That is not right.  It is good that ntpshmmon shows that to you
>> > since it needs fixing.
>> >
>> > What is the serial speed on that GPS?  Maybe 9600?
>> >
>> > RGDS
>> > GARY
>> > ---------------------------------------------------------------------------
>> > Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR
>> > 97703 address@hidden  Tel:+1 541 382 8588
>>
>
>
>
>
> RGDS
> GARY
> ---------------------------------------------------------------------------
> Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
>         address@hidden  Tel:+1 541 382 8588



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