I am trying PTP and PPS function with LINUXPTP from sourceforge and testptp
from kernel 4.1 document. We use "ethtool -T" to get the following. Is the
"PTP Hardware Clock:0" is the correct value.
===============================================
Time stamping parameters for eth0:
Capabilities:
hardware-transmit (SOF_TIMESTAMPING_TX_HARDWARE)
software-transmit (SOF_TIMESTAMPING_TX_SOFTWARE)
hardware-receive (SOF_TIMESTAMPING_RX_HARDWARE)
software-receive (SOF_TIMESTAMPING_RX_SOFTWARE)
software-system-clock (SOF_TIMESTAMPING_SOFTWARE)
hardware-raw-clock (SOF_TIMESTAMPING_RAW_HARDWARE)
PTP Hardware Clock: 0
Hardware Transmit Timestamp Modes:
off (HWTSTAMP_TX_OFF)
on (HWTSTAMP_TX_ON)
Hardware Receive Filter Modes:
none (HWTSTAMP_FILTER_NONE)
ptpv2-event (HWTSTAMP_FILTER_PTP_V2_EVENT)
======================================================
We use testptp to get the clock capabilities. it show the following message.
We want to design a pulse output function. Can the hardware config do this
function?
=======================================================
beaglebone:~/TESTPTP# ./a.out -c
capabilities:
1000000 maximum frequency adjustment (ppb)
0 programmable alarms
0 external time stamp channels
0 programmable periodic signals
0 pulse per second
==================================================
Thanks for your help
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