lvgl-micropython

lvgl-micropython is the part of OmniPython that builds LVGL into MicroPython-compatible firmware as a user C module, so import lvgl as lv works on any MicroPython port.

Add the module to the manifest your build already uses (MicroPython 1.29 or later), then build as usual. For the unix port, that manifest is ports/unix/variants/standard/manifest.py:

include("/path/to/lvgl-micropython/manifest.py")

git clone https://github.com/PyDevices/lvgl-micropython
cd micropython/ports/unix
make

The build fetches the matching LVGL bindings itself; you need only git.

import lvgl as lv

lv.init()
disp = lv.display_create(240, 120)
disp.set_color_format(lv.COLOR_FORMAT.RGB565)
buf = bytearray(240 * 120 * 2)
disp.set_buffers(buf, None, len(buf), lv.DISPLAY_RENDER_MODE.FULL)
flushed = []
disp.set_flush_cb(lambda d, area, px: (flushed.append(area.get_width()), d.flush_ready()))

button = lv.button(lv.screen_active())
button.center()
label = lv.label(button)
label.set_text("Hello from LVGL")
button.add_event_cb(lambda e: print("clicked"), lv.EVENT.CLICKED, None)
button.send_event(lv.EVENT.CLICKED, None)

lv.tick_inc(50)
lv.refr_now(disp)
print(label.get_text(), "- drew", flushed[-1], "px wide")

clicked
Hello from LVGL - drew 240 px wide

The picture at the top is the frame that program drew.

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