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Ubuntu User guide

Default user name and password​

username : ubuntu
password : ubuntu

Access the device​

Option one: Use HDMI monitor, USB keyboard and mouse​

You can view the Desktop on the monitor.

Option two: SSH​

ssh service is enabled by default. You can find the IP from the router management windows or angryip.

$ ping ip-of-device
$ ssh ubuntu@ip-of-device

The first login will force the user to change their password. Please follow the prompts.

Option three: Serial port​

Please refer to NIO 12L serial port usage.

Add APT source and install video hardware packages​

$ sudo apt-add-repository ppa:mediatek-genio/genio-public
$ sudo apt update
$ sudo apt install mediatek-vpud-genio1200
$ sudo apt install gstreamer1.0-plugins-base
$ sudo apt install gstreamer1.0-plugins-good
$ sudo apt install gstreamer1.0-plugins-bad
$ sudo rm ~/.cache/gstreamer-1.0/registry.aarch64.bin

Update kernel​

Download the latest kernel packages and install them.

$ wget https://dl.radxa.com/nio12l/images/ubuntu/radxa-nio-12l-kernel-5.15.0-1029.33-packages.tar.gz
$ tar zxvf radxa-nio-12l-kernel-5.15.0-1029.33-packages.tar.gz
$ sudo dpkg -i radxa-nio-12l-kernel-5.15.0-1029.33-packages/*.deb

After installing the kernel, a restart is required for it to take effect.

Use Radxa Display 8HD Touchscreen​

Step one: Update the kernel to the latest version​

The latest kernel version is 5.15.0-1029.33.

Step two: Add radxa-nio-12l-radxa-display-8hd dt overlay​

Navigate to the top level of directory including ubuntu system files. Modify file u-boot-initial-env. Find the line list_dtbo= and write radxa-nio-12l-radxa-display-8hd.dtbo at the end of the line. Like this:

list_dtbo= gpu-mali.dtbo video.dtbo ddr-8g.dtbo radxa-nio-12l-radxa-display-8hd.dtbo

Step three: Execute the command genio-flash board-assets​

$ genio-flash board-assets

Step four: Boot the device to download mode​

Please refer to NIO 12L Download mode

The Host PC will update the u-boot-initial-env to the device OS.

Power cycle the device and you will see the Desktop on the 8HD touchscreen.

Install QT​

Install qtcreator.

$ sudo apt update && sudo apt install -y qtcreator