On 22/06/2022 22:42, Thibaut HUMBERT wrote:
I continued my tests with the NMEA+PPS on a CH341A in USB, and comparing over
one night with several NTP sources: I am at ± 1ms on average.
I tried with an ESP8266: without success.
I tried a Raspberry PI 1B: ok, but always an 10ms offset. And the solution is
difficult to transport in the middle of nowhere for a night with the telescope.
Now, I use an another desktop computer (with RS232) with the CH341A for the
NMEA on USB and the pin PPS directly connected on the RS232 CD.
The PPS signal is well detected by the
softwarehttps://www.satsignal.eu/software/net.htm#SerialPortLEDs
However, I can't find the zip for using the PPS DLL on the real serial
interface:
http://people.ntp.org/burnicki/windows/serialpps-20120321-signed.zip
The link is down, and nothing on Google....
Do you know where I can find the zip serialpps-20120321-signed.zip?
Thanks everyone!
Thibaut,
The original serial driver hack doesn't work on Windows-10, IIRC. Instead use
the PPS API Loopback Provider.
https://kb.meinbergglobal.com/kb/time_sync/ntp/ntp_for_windows/using_pps_signals_on_windows
As I don't see that for download, I have put my copy on my Web page.
https://www.satsignal.eu/ntp/x86/index.html
https://www.satsignal.eu/ntp/x86/loopback-ppsapi-provider.zip
Please let Martin Burnicki know about the errors on his Web page.
--
Cheers,
David
Web: http://www.satsignal.eu
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