git clone https://github.com/lvgl-micropython/lvgl_micropython.git
cd lvgl_micropython
# git checkout 15a414bc03486017235234882ce7415532c6325e
docker run -it -v .:/micropython --name micropython ubuntu
apt-get update
export DEBIAN_FRONTEND=noninteractive
apt-get install -y gcc g++ make automake python3 git gcc-arm-none-eabi libusb-1.0-0 python3-venv python3-click python3-yaml cmake vim
ln -s /usr/bin/python3 /usr/bin/python
cd /micropython

# old hardware version: waveshare 3.5
python3 make.py esp32 clean \
  --flash-size=16 \
  BOARD=ESP32_GENERIC_S3 \
  BOARD_VARIANT=SPIRAM_OCT \
  DISPLAY=ST7796 \
  INDEV=ft6x36

# new hardware version: waveshare 3.5b
python3 make.py esp32 clean \
  --flash-size=16 \
  BOARD=ESP32_GENERIC_S3 \
  BOARD_VARIANT=SPIRAM_OCT \
  DISPLAY=axs15231b \
  INDEV=axs15231

exit docker 
 
esptool.py --chip esp32s3 -b 460800 \
    --before default_reset \
    --after hard_reset write_flash \
    --flash_mode dio \
    --flash_size 16MB \
    --flash_freq 80m \
    --erase-all 0x0  \
    build/lvgl_micropy_ESP32_GENERIC_S3-SPIRAM_OCT-16.bin