Output of phc_ctl eth0: phc_ctl[28.658]: capabilities: 250000000 maximum frequency adjustment (ppb) 0 programable alarms 0 external time stamp channels 0 programmable periodic signals has pulse per second support
-----Original Message----- From: Richard Cochran [mailto:richardcoch...@gmail.com] Sent: Monday, August 17, 2020 4:22 PM To: Irene Kravets <ire...@sapling-inc.com> Cc: linuxptp-users@lists.sourceforge.net Subject: Re: [Linuxptp-users] Can ptp4l be used without phc2sys? On Mon, Aug 17, 2020 at 07:13:36PM +0000, Irene Kravets wrote: > I am using an i.MX<http://i.mx/> 6SoloX development board for both the master > and the slave. I start ptp4l with the following command: > > ptp4l -f /etc/ptp4l_slave.conf -i eth0 -A & > > where ptp4l_slave.conf has the following in it: > > [global] > twoStepFlag 1 > verbose 1 > time_stamping hardware > slaveOnly 1 > use_syslog 1 > logging_level 6 > > Why wouldn't this create a synchronized 1PPS signal if I am not starting > phc2sys? Let's look at the capabilities of the PHC. What is output of the following command? phc_ctl eth0 Thanks, Richard _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users