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Re: 3.22 not sending PPS to SHM
From: |
Greg Troxel |
Subject: |
Re: 3.22 not sending PPS to SHM |
Date: |
Tue, 12 Jan 2021 09:41:31 -0500 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.3 (berkeley-unix) |
David Taylor <gm8arv@yahoo.co.uk> writes:
> So in the case of the Raspberry Pi, with no DCD or whatever serial PPS
> signal, the only source of PPS is the GPIO pin 18 (in my
> case). ntpshmmon shows just NTP0. When I use servers 127.127.28.0 and
> 127.127.28.1, SHM0 shows a valid non-zero offset (serial output
> delay), but SHM1 shows no connection:
Does the RPI's operating system provide a /dev/ppsN device associated
with that GPIO pin? Did you pass that device on the command line?
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- 3.22 not sending PPS to SHM, David Taylor, 2021/01/10
- 3.22 not sending PPS to SHM, Gary E. Miller, 2021/01/11
- Re: 3.22 not sending PPS to SHM, David Taylor, 2021/01/12
- Re: 3.22 not sending PPS to SHM,
Greg Troxel <=
- Re: 3.22 not sending PPS to SHM, David Taylor, 2021/01/12
- Re: 3.22 not sending PPS to SHM, Greg Troxel, 2021/01/12
- Re: 3.22 not sending PPS to SHM, Martin Boissonneault, 2021/01/12
- Re: 3.22 not sending PPS to SHM, David Taylor, 2021/01/12
- Re: 3.22 not sending PPS to SHM, Gary E. Miller, 2021/01/12
- Re: 3.22 not sending PPS to SHM, David Taylor, 2021/01/12
- Re: 3.22 not sending PPS to SHM, Greg Troxel, 2021/01/12
- Re: 3.22 not sending PPS to SHM, Gary E. Miller, 2021/01/12
- Re: 3.22 not sending PPS to SHM, David Taylor, 2021/01/12
- Re: 3.22 not sending PPS to SHM, Gary E. Miller, 2021/01/12