PTP4L是一个用于实现精确时间协议(PTP)的软件,它的参数如下: 1. -i interface:指定要使用的网络接口。例如:-i eth0。 2. source_clock local:指定本地时钟类型。例如:source_clock linuxphc。 3. -m mode:指定PTP的运行模式。例如:-m unicast。 4. -s:启用slave模式。 5. -f frequency:指定时钟频率。
ptp4l[-A|-E|-P] [-2|-4|-6] [-H|-S|-L] [-fconfig] [-pphc-device] [-s] [-lprint-level] [-q] [-v] [-iinterface]... 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 请求-响应机制E2E。默认机制 -P 选择对端延迟机制P2P. -2 ...
ptp4l的使⽤⼿册 .语法：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...
需要安装WinPcap软件才能使用。工作原理为通过一个过滤驱动程序直接向网卡发送数据, 出了能发送数据包外,还能截获网卡的数据包。 意外收获:1.如果时间戳能...。 FRDM-K64F的硬件时间戳功能测试:协议栈使用LWIP,无操作系统,要实现PTPv2的内容。PTPv2的文档为IEEE 1588-2008,v1为IEEE 1588-2002,还有IEEE...
ptp4l[35843.710]: config item enp1s0f1.phc_index is -1ptp4l[35843.710]: config item (null).free_running is 0ptp4l[35843.710]: selected /dev/ptp1 as PTP clockptp4l[35843.710]: config item (null).clockIdentity is '000000.0000.000000'ptp4l[35843.710]: config item...
PTP4L(Precision Time Protocol for Linux)是一个用于精确时间同步的软件实现,它遵循IEEE 1588标准。PTP4L通过网络传输同步消息,以实现精确到纳秒级的时间同步。本文将详细解释PTP4L的基本原理。 2. IEEE 1588标准概述 IEEE 1588标准定义了一种用于网络中时钟同步的协议,它允许分布式系统中的时钟保持高度一致。该协议...
ptp4l[35843.710]: config item enp1s0f1.phc_index is -1ptp4l[35843.710]: config item (null).free_running is 0ptp4l[35843.710]: selected /dev/ptp1 as PTP clockptp4l[35843.710]: config item (null).clockIdentity is '000000.0000.000000'ptp4l[35843.710]:...
# ptp4l -i swp0 -i swp1 -f /etc/ptp4l_cfg/gPTP.cfg But it returns this error (besides the fact that the offsets remain very high): ptp4l[xxxx.xxx]: clockcheck: clock jumped backward or running slower than expected! Can you help me to identify what is the problem t...
.BI \-f " config" ] [ .BI \-p " phc-device" ] [ .BI \-l " print-level" ] [ .BI \-i " interface" ] [ .I long-options ] .I .\|.\|. .SH DESCRIPTION .B ptp4l is an implementation of the Precision Time Protocol (PTP) according to IEEE standard...
In order to support the interval update, a new clock servo state CLOCK_SERVO_STABLE has been added. The clock will transition to this state whenever the above condition is satisfied. When this transition occurs, the slave will send an "interval request" signaling message asking the master to ...