Re: [Linuxptp-users] Software timestamping on unsupported driver

[Šimon W. <sim...@se...>]

Thank you for the replies,

On Fri, 24 Mar 2017 12:17:23 -0700
"Gary E. Miller" <ge...@re...> wrote:

> On Fri, 24 Mar 2017 20:09:29 +0100
> Richard Cochran <ric...@gm...> wrote:
> > Wireless PTP is not going to work very well.  I recommend using NTP
> > instead.  
> 
> Let us not make this a PTP vs. NTP thing.  There is ongoing work to 
> use the low level PTP mechanisms with NTP.  They can work together,
> and in the near future they will work even better together.
> 
> But I agree, you will get much better results with the RasPi ethernet
> over its WiFi.  Maybe this user does not have the wired option.

I am working on a project where the raspberries are built into racing
slot cars and an access point, so I can't be extremely strict on the
level of accuracy. PTP still sounds like the better option so I will
test it using PPS signal and an osciloscope and tweak the servo and
filter parameters.

Simon Wernisch