[LinuxPPS] state of PPS

[clemens at dwf.com]

> While people are talking about the state of PPS, I can't help thinking =
> that the PPS mechanism is inherently faulty. In the NTP implementation =
> the serial message is parsed and then a call is made to obtain the =
> timestamp.  There is no guarantee that the timestamp belongs to that =
> ASCII message - there is a race here which may result in the timestamp =
> being for the future ASCII message.  
> 
When PPS pulses only occur once per second, I dont see how any useful
machine could be so loaded as to mistake one ASCII message//PPS pulse
with another.
-- 
                                        Reg.Clemens
                                        reg at dwf.com