TUTORIALS

S.USV MODULES

01
RTC configuration-SYSTEMD

The corresponding RTC module (DS1307) is automatically configured by the ID EEPROM and loaded into the kernel. Please follow these steps to use the RTC as a hardware clock:

1. Disable the fake-hwclock of the single-board computer, which can lead to complications with the RTC. Use the following commands in the terminal:
Sudo apt-get -y remove fake-hwclock
sudo update-rc.d -f fake-hwclock remove

2. After the fake-hwclock has been deactivated, the original hardware clock script should be adjusted accordingly. Edit the file/lib/udev/hwclock-set and comment out the following lines:
#if [ -e /run/systemd/system ] ; then
#exit 0
#fi

3. Now reboot the system.
Sudo reboot
Then check the correct system time and write it to the RTC
sudo hwclock -w

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