Hardkernnel ODROID-C2 User Manual page 90

RTC shield mounted
ning up to 4 years without an external power supply, thereby helping
with the maintenance of the clock. The official ODROID-C2 case can
be used even with this shield mounted.
$ sudo apt install device-tree-compiler
$ sudo fdtput -t s /media/boot/meson64_odroidc2.dtb \
/i2c@c1108500/pcf8563@51 status "okay"
$ sudo vi /etc/modules
ilarly, update the /etc/rc.local file:
$ sudo vi /etc/rc.local
the file, and reboot the system:
$ sudo hwclock -r
net. Run the following command:
$ ntpq -p
Remote
set
=================================================================
==============
0.ubuntu.pool.n .POOL.
0.001
1.ubuntu.pool.n .POOL.
0.001
2.ubuntu.pool.n .POOL.
0.001
85
ODROID C2 USER MANUAL
The included Lithium-coin battery can keep the RTC chip run-
After connecting the C2 to the Internet, enable the shield:
Edit the /etc/modules file using any text editor:
Then, add the text aml_i2c at the end of the file and save it. Sim-
Then, add the following command to the bottom of the file, save
Ensure the system is able to access the ntp servers on the inter-
refid
jitter
Chapter 4
st t when poll reach
16 p - 64 0
16 p - 64 0
16 p - 64 0
delay off-
0.000 0 . 0 0 0
0.000 0 . 0 0 0
0.000 0 . 0 0 0