Re: [gpsd-users] NTP1 keeps going away.

[Gary E. Miller]

Yo stinga!

On Thu, 9 Nov 2017 21:12:24 +0000
stinga <address@hidden> wrote:

> address@hidden:~# ppscheck /dev/pps0
> # Seconds  nanoSecs   Signals
> PPS ioctl(TIOCMIWAIT) failed: 25 Inappropriate ioctl for device

My mistake, ppscheck is for serial ports, and you are now using the
pps-gpio.  Do ppstest /dev/ppsX


> address@hidden:~# dmesg|grep -i pps
> [    5.487282] pps_core: LinuxPPS API ver. 1 registered
> [    5.487291] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 
> Rodolfo Giometti <address@hidden>
> [    5.511174] pps pps0: new PPS source pps.-1
> [    5.511363] pps pps0: Registered IRQ 178 as PPS source

Did you check the doc that IRQ 178 is connected to your GPIO pin?

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

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    "If you can’t measure it, you can’t improve it." - Lord Kelvin

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