TimeServer: Unterschied zwischen den Versionen
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=== install and configure ntp server === | === install and configure ntp server === | ||
sudo apt install ntp | |||
# GPS PPS reference | |||
server 127.127.28.2 prefer | |||
fudge 127.127.28.2 refid PPS | |||
# get time from SHM from gpsd; this seems working | |||
server 127.127.28.0 | |||
fudge 127.127.28.0 time1 0.18 refid GPS | |||
#DCF77 Conrad module | |||
server 127.127.8.1 mode 5 | |||
fudge 127.127.8.1 time1 0.876 | |||
=== install and configure PTP server === | === install and configure PTP server === | ||
Version vom 10. November 2023, 00:27 Uhr
Turn off W-LAN
sudo vi /boot/config.txt
add section that says:
[pi5] # Disable Wifi dtoverlay=disable-wifi # Disable Bluetooth dtoverlay=disable-bt
Bring operating system up to date
sudo apt update && sudo apt upgrade
Configure fan in Raspberry Pi 5 housing
red: PIN4 (5V)
black: PIN6 (GND)
blue: GPIO14 (TXD) --> conflict with uart1!
set up fan via raspi-config
Activate UARTs and ops
In [pi5] section:
# Activate UART5 (GPIO #12 and #13) dtoverlay=uart5
[all] enable_uart=1 dtoverlay=pps-gpio,gpiopin=4 init_uart_baud=9600
install and configure ntp server
sudo apt install ntp
# GPS PPS reference server 127.127.28.2 prefer fudge 127.127.28.2 refid PPS # get time from SHM from gpsd; this seems working server 127.127.28.0 fudge 127.127.28.0 time1 0.18 refid GPS #DCF77 Conrad module server 127.127.8.1 mode 5 fudge 127.127.8.1 time1 0.876