[ntp:questions] Re: Errors with NMEA refclock
John Pettitt
jpp at cloudview.com
Mon Jan 30 19:02:09 UTC 2006
Danny Mayer wrote:
> David J Taylor wrote:
>> You are, of course, correct. However, many devices /do/ allow higher
>> speeds (which would provide lower timekeeping jitter), but there is no
>> easy way to tell ntpd about the higher speed. I see that flag1 and flag4
>> are unused for this driver, so that might be a way to pass the port number
>> and baud rate under Windows. E.g. flag4 19200.
>>
>> (Perhaps the port number is implied already by the unit number in the
>> address?)
>>
>> David
>>
>
> If the specific baud rate is defined in the spec then we shouldn't be
> providing knobs to turn to change it.
>
> Danny
Why? If NMEA devices allow the default to be changed it seems reasonable that the driver should
too. I don't see a downside to allowing the data rate to be changed.
John
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