On Mon, Sep 26, 2022 at 05:02:28PM +0000, Deshpande, Yash wrote:
> 4. sudo ts2phc -c /dev/ptp0 -s generic -m
>
> ts2phc[17625.163]: PTP_EXTTS_REQUEST2 failed: Operation not
> supported
> failed to arm PPS sinks
That is because the i210 only supports "both edges" and not the
default "rising".
ts2phc.extts_polarity
The polarity of the external PPS signal, either "rising" or
"falling". Some PHC devices always time stamp both edges. Set‐
ting this option to "both" will allow the ts2phc program to work
with such devices by detecting and ignoring the unwanted edge.
In this case be sure to set 'ts2phc.pulsewidth' to the correct
value. The default is "rising".
See configs/ts2phc-generic.cfg for a configuration that works with i210.
Thanks,
Richard
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