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linuxptp/ts2phc_master_private.h

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Introduce the ts2phc program. Some PTP Hardware Clocks have input pins that can generate time stamps on the edges of external signals. This functionality can be used in various ways. For example, one can synchronize a PHC device to a global time source by taking a Pulse Per Second signal from the source into the PHC. This patch adds support for synchronizing one or more PHC slaves to a given master clock. The implementation follows a modular design that allows adding different kinds of master clocks in the future. This patch starts off with a single "generic" PPS master, meaning a PPS signal that lacks and time or date information. The generic master assumes that the Linux system time is approximately correct (by NTP or RTC for example) in order to calculate the time of the incoming PPS edges. Signed-off-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: Balint Ferencz <fernya@gmail.com>
2019-07-08 07:47:48 +08:00
/**
* @file ts2phc_master_private.h
* @note Copyright (C) 2019 Richard Cochran <richardcochran@gmail.com>
* @note SPDX-License-Identifier: GPL-2.0+
*/
#ifndef HAVE_TS2PHC_MASTER_PRIVATE_H
#define HAVE_TS2PHC_MASTER_PRIVATE_H
#include <stdint.h>
#include <time.h>
#include "contain.h"
#include "ts2phc_master.h"
struct ts2phc_master {
void (*destroy)(struct ts2phc_master *ts2phc_master);
int (*getppstime)(struct ts2phc_master *master, struct timespec *ts);
ts2phc: allow the PHC PPS master to be synchronized Now that we are registering a clock even for the PPS master when it supports that (i.e. when it is a PHC), introduce a new API to retrieve its clock in order to add timestamps to it. The PHC master can be synchronized to the extts events of a PHC slave, when in automatic mode. Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
2020-08-01 19:28:50 +08:00
struct clock *(*get_clock)(struct ts2phc_master *m);
Introduce the ts2phc program. Some PTP Hardware Clocks have input pins that can generate time stamps on the edges of external signals. This functionality can be used in various ways. For example, one can synchronize a PHC device to a global time source by taking a Pulse Per Second signal from the source into the PHC. This patch adds support for synchronizing one or more PHC slaves to a given master clock. The implementation follows a modular design that allows adding different kinds of master clocks in the future. This patch starts off with a single "generic" PPS master, meaning a PPS signal that lacks and time or date information. The generic master assumes that the Linux system time is approximately correct (by NTP or RTC for example) in order to calculate the time of the incoming PPS edges. Signed-off-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: Balint Ferencz <fernya@gmail.com>
2019-07-08 07:47:48 +08:00
};
#endif