[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.


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