On Tue, Aug 29, 2017 at 02:05:05PM +0000, Michael Fleischmann wrote: > /Applications/tmp/fw2 # ./phc_ctl /dev/ptp0 > phc_ctl[301.748]: > capabilities: > 1953124 maximum frequency adjustment (ppb) > 0 programable alarms > 6 external time stamp channels > 7 programmable periodic signals > doesn't have pulse per second support > > > Is there a workaround to output a PPS (e.g. on GPIO12/CLK_OUT)?
You can use one of the seven programmable periodic signals to generate a 1-PPS (or any other period). The missing PPS capability is related to the Linux kernel hard_pps subsystem, and it is a "virtual" PPS and not a physical output signal. HTH, Richard ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Linuxptp-users mailing list Linuxptp-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxptp-users
