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Re: Adafruit USB and PPS


From: Gary E. Miller
Subject: Re: Adafruit USB and PPS
Date: Fri, 29 Nov 2019 11:54:18 -0800

Yo Neal!

On Fri, 29 Nov 2019 07:50:13 +0000
Neal Dillman <address@hidden> wrote:

> After reading your message about timeservice I noticed that it is not
> enabled by default, so I did so and recompiled.  The results appeared
> to be the same.

timeservice is not needed, just helpful.

> One important note is that timeservice will not compile clean on the
> pi without modifying SConstruct

Works for me.

> At any rate, -lpthread is needed for pi.

That should be autodetected.  Please sned the entire output of your build.

> I should have mentioned prior:  ppscheck fails too___

Not a ppscheck problem.

> PPS ioctl(TIOCMIWAIT) failed: 25 Inappropriate ioctl for device

That is a kernel driver problem.   What kernel driver is in use for
your /dev/ttyUSB0?


RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
        address@hidden  Tel:+1 541 382 8588

            Veritas liberabit vos. -- Quid est veritas?
    "If you can't measure it, you can't improve it." - Lord Kelvin

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