PTP同步过程使用IEEE 1588v2.0 PTP的Delay request-response机制（two steps）。master和slave时钟通过Sync...
调用servo_sample(),从累积数据中得到时间差 调用clockadj_set_freq()和clockadj_step(),调整本地时间。 22 PTP消息序列 对于gPTP,每个PTP消息序列应该有3个消息:PDelay_Req、PDelay_Resp、PDelay_Resp_Follow_Up。 步骤如下。 PTP Slave(这里是官方Orin盒子)发送PDelay_Req消息。源MAC地址是ptp slave的网卡...
ptp4l[76381.759]: config item (null).manufacturerIdentity is '00:00:00' ptp4l 中支持的servo, 比例积分控制器(PI), 线性回归(linreg)。比例积分控制器(PI)是一种常用的自动控制器,请参考自动控制理论中PID控制器。
The Sync message interval to be requested once the clock enters the SERVO_LOCKED_STABLE state. If the 'msg_interval_request' option is set, then the local client port will request the remote server to switch to the given message rate via a signaling message containing a Message interval reque...
ptp4l [ -A | -E | -P ] [ -2 | -4 | -6 ] [ -H | -S | -L ] [ -f config ] [ -p phc-device ] [ -s ] [ -l print-level ] [ -q ] [ -v ] [ -i interface ] ...选项 -A ⾃动选择延迟机制，初始为E2E,当收到对端的delay request的时候切换到P2P.-E 选择延迟...
(1 second).operLogSyncIntervalThe Sync message interval to be requested once the clock enters the SERVO_LOCKED_STABLE state. If the 'msg_interval_request' option is set, then the local slave port will request the remote master to switch to the given message rate via a signaling message ...
ptp4l[35843.711]: PI servo: sync interval 1.000 kp 0.700 ki 0.300000ptp4l[35843.711]: config item /var/run/ptp4l.phc_index is -1ptp4l[35843.711]: config item /var/run/ptp4l.boundary_clock_jbod is 0ptp4l[35843.711]: config item /var/run/ptp4l.serverOnly is...
SERVO_UNLOCKED; return 0.0; } static void ntpshm_sync_interval(struct servo *servo, double interval) { } static void ntpshm_reset(struct servo *servo) { } static void ntpshm_leap(struct servo *servo, int leap) { struct ntpshm_servo *s = container_of(servo, struct ntpshm_servo, ...
will be printed and the servo will be reset. When set to 0, the sanity check is disabled. The default is 200000000 (20%). .TP .B ntpshm_segment The number of the SHM segment used by ntpshm servo. The default is 0. .TP .B ptp_dst_mac The MAC address where should ...
servo_private.h sk.c sk.h sock.c sock.h stats.c stats.h sysoff.c sysoff.h tc.c tc.h telecom.c timemaster.8 timemaster.c tlv.c tlv.h tmv.h transport.c transport.h transport_private.h ts2phc.8 ts2phc.c ts2phc.h ts2phc_generic_master.c ...