amirgon

import lvgl as lv
import SDL

w = 800
h = 600

lv.init()
SDL.init(w=w,h=h)

amirgon

# Helper function to set fonts

def set_font(obj, font = lv.font_heb_16):
    if type(obj) == lv.style_t:
        obj.text.font = font
    else:
        for style_type_str in dir(obj.STYLE):
            if not style_type_str.startswith('_'):
                style_type = getattr(obj.STYLE, style_type_str)
                style = obj.get_style(style_type)

amirgon

scr = lv.obj()
btn = lv.btn(scr)
btn.align(scr, lv.ALIGN.CENTER, 0, 0)
label = lv.label(btn)
label.set_text('Hello World!')
lv.scr_load(scr)

amirgon

import imp, sys
sys.path.append('https://raw.githubusercontent.com/littlevgl/lv_binding_micropython/master/lib')
import display_driver
import lvgl as lv
lv.init()

amirgon

import display_driver
import lvgl as lv

# Create an arc which acts as a loader.

class loader_arc(lv.arc):

    def __init__(self, parent, color = lv.color_hex(0x000080), width = 8, style = lv.style_plain, rate = 20):
        super().__init__(parent)
        

amirgon

import lvgl as lv
lv.init()

import SDL
SDL.init()

# Register SDL display driver.

disp_buf1 = lv.disp_buf_t()
buf1_1 = bytearray(480*10)

amirgon

Example of converting dbus.h to Micropython module.

Command line:

python ~/esp/projects/lv_mpy/lib/lv_bindings/gen/gen_mpy.py -M dbus -MD dbusmod.json -I~/esp/projects/lv_mpy/lib/lv_bindings/pycparser/utils/fake_libc_include -I/usr/include/dbus-1.0 -I/usr/lib/x86_64-linux-gnu/dbus-1.0/include -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include/ dbus_pp.h > dbusmod.c

amirgon

def init_drv():
        import SDL
        SDL.init()

        # Register SDL display driver.

        disp_buf1 = lv.disp_buf_t()
        buf1_1 = bytes(480*10)
        lv.disp_buf_init(disp_buf1,buf1_1, None, len(buf1_1)//4)
        disp_drv = lv.disp_drv_t()

amirgon

Parsing stack trace

xtensa-esp32-elf-addr2line -aipfC -e ports/esp32/build/application.elf <stack-trace (pairs of hex:hex)

amirgon

# init

import lvgl as lv
lv.init()

import SDL
SDL.init()

# Register SDL display driver.