WebChrony selects the PPS source now, but I observe a large offset of the system time. The offset to the PPS clock is nearly zero, as expected. But the system time is ... I presue you are using gpsd to read the nmea and gps. Why the minsamples directive? chrony adapts the samples to the wander of the offset. If the offset it WebOct 18, 2024 · Connecting GPS with PPS to Xavier. I’m trying to timesync Xavier with a GPS timeserver using chrony and gpsd. I connect my gps to the UART port of the Xavier and use CTS pin to also connect pps to Xavier. But when I run gpsd, I get the error: kernel PPS unavailable. I found that for TX2 there was a kernel patch that fixed this problem, but ...
linuxonly1993/gpsd_pps - Github
WebPPS. Driver for the kernel PPS (pulse per second) API. The parameter is the path to the PPS device (typically /dev/pps?). As PPS refclocks do not supply full time, another time … WebDec 12, 2016 · Chrony doesn't sync time with gpsd Ask Question Asked 6 years, 3 months ago Modified 4 years, 10 months ago Viewed 7k times 8 I have a Raspberry Pi that will be used for logging sensor data while not connected to the internet. Since the Raspberry Pi doesn't have an RTC, and to still get the actual time, I want to use a GPS receiver for the … green impulse foods ltd
Connecting GPS with PPS to Xavier - NVIDIA Developer Forums
WebMar 12, 2024 · BeagleBone Black GPS PPS and Chrony for time sync - GoogleGroups - BeagleBoard BeagleBone Black GPS PPS and Chrony for time sync GoogleGroups Thomas August 23, 2024, 7:16pm #1 Hello, My goal is to make an ultra-precise clock on the beaglebone black by using the 1 pps signal from my adafruit GPS. WebMar 14, 2024 · I have try to run it once again. I make sure that all gpsd and chronyd are stoped systemctl stop gpsd and chrony and processes are killed via killall -9 gpsd chronyd command, then used combination of commands found in documentation- gpsd.gitlab.io/gpsd/…. WebAug 14, 2024 · Aug 14, 2024. #1. T. Pluess Asks: chrony with gpsd and pps. On my PC I want to feed chrony from GPS. For this, I installed gpsd and pps-tools. I have a GPS connected to the serial port /dev/ttyS0 and the PPS is connected to the DCD input. Apparently, the PPS pulses are received correctly: Code: $ sudo ppscheck /dev/ttyS0 # … green impostor fnf icon