To execute below commands in env command-line window to download related packages for building.
```bash
# cd <path-to-rt-thread>bsp/nuvoton/<board-name>
# menuconfig --config config_lvgl
# pkgs --update
# scons
```
## Firmware programming
To program built rt-thread.bin into flash. You can refer steps in README.md in corresponding supported board folder or CN quick-start guide in rt-thread documents site.