Questions&Answers
Apt trouble
- When execute apt command in debian system it may show error as follows
GPG error: http://ftp.ports.debian.org/debian-ports sid InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY E852514F5DF312F6
This means built-in key expires and need updating manually, here are two ways to download key.
- Doanload from web page:https://packages.debian.org/sid/all/debian-ports-archive-keyring/download
- wget :
wget http://ftp.cn.debian.org/debian/pool/main/d/debian-ports-archive-keyring/debian-ports-archive-keyring_2022.02.15_all.deb
Copy downloaded key (usr scp or lrzsz tool) into LicheeRV board, then run following command to update key:
sudo dpkg -i debian-ports-archive-keyring_2022.02.15_all.deb
Then run sudo apt-get update
to update apt.
Not work
Make sure you choose as what is shown below when burnning card by yourself
Click to see burn requirement
We can use adb shell to communicate with computer by Tina OS
Just connect the core board with computer for communication.
- Debian OS only can use uart for communication with computer.
86 panel screen no display/ display wrong
Here we need use corresopnding fex file to overwrite the board-level configuration by using following command in linux system
Download fex file here https://dl.sipeed.com/shareURL/LICHEE/D1/Lichee_RV/SDK/board
Overwrite command:
sudo dd if=boot_package_XXX.fex of=/dev/sdX bs=1K seek=16400
The sdX in the command is the name of TF card in linux
If you have other trouble, consult the seller or email to support@sipeed.com for help.