Re: 3.22 not sending PPS to SHM

[Gary E. Miller]

Yo David!

On Tue, 12 Jan 2021 16:22:16 +0000
David Taylor <gm8arv@yahoo.co.uk> wrote:

> Martin, here are the configuration files I have.  Without these (I 
> suspect) PPS wouldn't be available:

Sort of.

> # PPS support
> dtoverlay=pps-gpio,gpiopin=18

Are you sure your PPS is on GPIO 18?  Some use 4.

>        /etc/modules
> i2c-dev

Why?  Does your board have an RTC?

> pps-gpio

No!  The dtoverlay in config.txt already loaded pps-gpio.

Do you have and /dev/pps* files after boot?

Does ppstest see your PP?

# ppstest /dev/pps0
trying PPS source "/dev/pps0"
found PPS source "/dev/pps0"
ok, found 1 source(s), now start fetching data...
source 0 - assert 1610475793.078197420, sequence: 166034 - clear  0.000000000, 
sequence: 0
source 0 - assert 1610475794.919079976, sequence: 166035 - clear  0.000000000, 
sequence: 0
source 0 - assert 1610475795.304995467, sequence: 166036 - clear  0.000000000, 
sequence: 0




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

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