Lines Matching +full:clock +full:- +full:out +full:- +full:frequency

27 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
55 function is used by the NTP daemon to adjust the system clock to an
61 to adjust the phase and frequency of the phase- or frequency-lock loop
62 (PLL resp. FLL) which controls the system clock.
78 .Bd -literal
80 	unsigned int modes;	/* clock mode bits (wo) */
82 	long freq;		/* frequency offset (scaled ppm) (rw) */
85 	int status;		/* clock status bits (rw) */
87 	long precision;		/* clock precision (us) (ro) */
88 	long tolerance;		/* clock frequency tolerance (scaled
91 	 * The following read-only structure members are implemented
95 	long ppsfreq;		/* pps frequency (scaled ppm) (ro) */
109 .Bl -tag -width tolerance -compact
113 call (write-only).
115 .Bl -tag -width MOD_TIMECONST -compact -offset indent
119 set frequency offset
125 set clock status bits
129 set clock A
131 set clock B
135 system time in small increments (read-write).
137 Frequency offset (scaled ppm) (read-write).
143 error bound growth (read-write).
148 but unused by the kernel (read-write).
150 System clock status bits (read-write).
152 .Bl -tag -width STA_PPSJITTER -compact -offset indent
154 Enable PLL updates (read-write).
156 Enable PPS freq discipline (read-write).
158 Enable PPS time discipline (read-write).
160 Select frequency-lock mode (read-write).
162 Insert leap (read-write).
164 Delete leap (read-write).
166 Clock unsynchronized (read-write).
168 Hold frequency (read-write).
170 PPS signal present (read-only).
172 PPS signal jitter exceeded (read-only).
174 PPS signal wander exceeded (read-only).
176 PPS signal calibration error (read-only).
178 Clock hardware fault (read-only).
183 of the PLL (read-write).
185 Clock precision (in microseconds).
188 If a precision clock counter or external time-keeping signal is available,
190 (read-only).
192 Maximum frequency error, or tolerance of the CPU clock oscillator (scaled
195 the influence of external time-keeping signals (read-only).
197 PPS frequency offset produced by the frequency median filter (scaled
198 ppm) (read-only).
201 (read-only).
204 read-only).
207 frequency median filter (read-only).
212 (PPS, read-only).
214 Count of calibration intervals (PPS, read-only).
220 read-only).
223 frequency wander exceeded the limit
225 (PPS, read-only).
237 .Bd -literal
246 .Bl -tag -width tolerance -compact
248 Current time (read-only).
250 Maximum error in microseconds (read-only).
252 Estimated error in microseconds (read-only).
258 return the current state of the clock on success, or any of the errors
270 Possible states of the clock are:
271 .Bl -tag -width TIME_ERROR -compact -offset indent
287 Clock not synchronized.
301 .Bl -tag -width indent
304 .It Pa ftp://time.nist.gov/pub/leap-seconds.list