1] Download the official SDK:
Enter the following command in Ubuntu：
sudo git clone https://github.com/LuckfoxTECH/luckfox-pico.git
After downloading, enter the command “cd ./luckfox-pico” to enter the luckfox-pico folder；
2] One-click automatic compilation：
Selecting 0 will compile pico-related images；
Selecting 1 will compile pico-plus related images.；
When you see something like “succeeded,” it means the compilation was successful.
Please enter the “image” folder by typing “cd ./luckfox-pico/output/image” and check the compiled image files
This means that the kernel compilation is completed.
3] Verify the compiled image file：
The simplest and most effective way to verify is to flash the image file onto the pico or pico-plus development board. For specific flashing instructions, please click on the following link to view.
Burn the image onto the TF card & (Plus)Burn the image into the onboard flash
FAQ：The following errors may occur during the compilation process:
According to the provided error message, the error “configure: error: * gperf not found” occurred during the compilation process.
This is because the gperf tool is missing.
To install the gperf tool, run the following command in the terminal:
sudo apt-get install gperf
This will solve the problem.