[LinuxPPS] 2nd patched NMEA driver (error?)

Rodolfo Giometti giometti at enneenne.com
Fri Feb 8 10:21:58 CET 2008


On Fri, Feb 08, 2008 at 10:05:54AM +0100, Remco den Besten wrote:
> L.S.,
>
> I forgot to mention something else, it seems that I receive 'two ticks' 
> every second:
>
> remco at helium [/home/remco]> sudo ./ppstest /dev/pps1
> trying PPS source "/dev/pps1"
> found PPS source "/dev/pps1"
> ok, found 1 source(s), now start fetching data...
> source 0 - assert 1202461516.173112659, sequence: 38103 - clear 
> 1202461515.220623564, sequence: 38096
> source 0 - assert 1202461516.173112659, sequence: 38103 - clear 
> 1202461516.222539257, sequence: 38097
> source 0 - assert 1202461517.173020068, sequence: 38104 - clear 
> 1202461516.222539257, sequence: 38097
> source 0 - assert 1202461517.173020068, sequence: 38104 - clear 
> 1202461517.222518338, sequence: 38098
> source 0 - assert 1202461518.171270407, sequence: 38105 - clear 
> 1202461517.222518338, sequence: 38098
> source 0 - assert 1202461518.171270407, sequence: 38105 - clear 
> 1202461518.220447187, sequence: 38099
> source 0 - assert 1202461519.170949596, sequence: 38106 - clear 
> 1202461518.220447187, sequence: 38099
> source 0 - assert 1202461519.170949596, sequence: 38106 - clear 
> 1202461519.220392606, sequence: 38100
> source 0 - assert 1202461520.170914656, sequence: 38107 - clear 
> 1202461519.220392606, sequence: 38100
> source 0 - assert 1202461520.170914656, sequence: 38107 - clear 
> 1202461520.220338998, sequence: 38101
> source 0 - assert 1202461521.171744736, sequence: 38108 - clear 
> 1202461520.220338998, sequence: 38101

It seems ok to me... as you can see in each consecutive lines there is
at least _one_ sequence number changed and the difference is exactly
one second. :)

Ciao,

Rodolfo

-- 

GNU/Linux Solutions                  e-mail:    giometti at enneenne.com
Linux Device Driver                             giometti at gnudd.com
Embedded Systems                     		giometti at linux.it
UNIX programming                     phone:     +39 349 2432127



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