[Dprglist] PID-tuned Clock in Python?

[Karim Virani]

David, I agree with everything you said. Your crotchety oldfartdom is too
rich for me. I fold. I was bluffing all along.

Murray, good luck with the bottomless rabbit holery! You've
descended beyond my depth.

On Fri, Feb 19, 2021 at 12:29 AM Murray Altheim via DPRGlist <
dprglist at lists.dprg.org> wrote:

> On 19/02/21 6:16 pm, David Anderson via DPRGlist wrote:
> > Howdy
> >
> > Karim, I can certainly match your downright nitpickery and am therefore
> > all in with crotchty oldfartdom.
> Man you crotchety old guys are _hard_core_. And nitpickery.
>
> I manage to wrangle my mean clock error down to about 0.09ms per 50ms loop
> (measured over 1000 iterations, even under system load), so less than a
> tenth of a millisecond error on a 50ms loop is just not good enough?!
>
> Woof. Woof woof and more woof.
>
> But *clearly* Ima gonna havata do bettera, or its le scarpe di cemento.
> Maybe down to una microsecondo prima del molo dei pescatori è il mio
> destino.
>
> I've updated the code so it's now a proper class with YAML configuration,
> etc. and updated the github repo at:
>
>     https://github.com/ifurusato/ros/blob/master/ext_clock_test.py
>     https://github.com/ifurusato/ros/blob/master/lib/ext_clock.py
>
> [For those of us building robots on platforms that don't have access to
> fancy hardware clocks, we have to make do somehow. Ima tryin.]
>
> Cheers,
>
> Murray
>
> ...........................................................................
> Murray Altheim <murray18 at altheim dot com>                       = =  ===
> http://www.altheim.com/murray/                                     ===
> ===
>                                                                     = =
> ===
>      In the evening
>      The rice leaves in the garden
>      Rustle in the autumn wind
>      That blows through my reed hut.
>             -- Minamoto no Tsunenobu
>
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