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Add lock option for PPS refclocks

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Miroslav Lichvar
2010-01-27 19:14:38 +01:00
parent dbb550e6db
commit e261278a5c
4 changed files with 86 additions and 19 deletions
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chrony.texi
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@@ -2289,6 +2289,12 @@ PPS signal frequency (in Hz). This option only controls how the
received pulses are aligned. To actually receive more than one
pulse per second, a negative @code{dpoll} has to be specified (-3 for
5Hz signal). The default is 1.
@item lock
This option can be used to lock a PPS refclock to another refclock
whose reference id is specified by this option. In this mode received
pulses are aligned directly to unfiltered samples from the refclock.
By default, pulses are aligned to local clock, but only when it is
well synchronised.
@item offset
This option can be used to compensate a constant error. The specified
offset (in seconds) is applied to all samples produced by the