M5Stack Basic LCD init for LVGL

m5stackbasic_lvlg_micropy.py

import lvgl as lv
import lcd_bus
import ili9341
from machine import SPI, Pin
import machine
import network
import task_handler
import asyncio
import utime
import ntptime


spi_bus = SPI.Bus(host=1, mosi=23, miso=19, sck=18)

display_bus = lcd_bus.SPIBus(spi_bus=spi_bus, dc=27, cs=14, freq=40000000)

display = ili9341.ILI9341(
    data_bus=display_bus,
    display_width=320,
    display_height=240,
    reset_pin=33,
    reset_state=ili9341.STATE_LOW,
    backlight_pin = 32,
    backlight_on_state=ili9341.STATE_LOW,
    color_space=lv.COLOR_FORMAT.RGB565,
    rgb565_byte_swap=True,
    color_byte_order=ili9341.BYTE_ORDER_BGR
)
display._ORIENTATION_TABLE = (0,0x20|0x40,0x80|0x40,0x20|0x80)
display.set_rotation(lv.DISPLAY_ROTATION._0)
display.set_backlight(100)
display.init(1)

dispp = lv.display_get_default()
theme = lv.theme_default_init(dispp, lv.palette_main(lv.PALETTE.RED), lv.palette_main(lv.PALETTE.YELLOW), True, lv.font_get_default())
dispp.set_theme(theme)

th = task_handler.TaskHandler()

scrn = lv.screen_active()
#scrn.set_style_bg_color(lv.color_hex(0x0000ff), 0)

label = lv.label(scrn)
label.set_text('TopLeft')


slider = lv.slider(scrn)
slider.set_size(200, 30)
slider.center()

label = lv.label(scrn)
label.set_text('Center')
label.align(lv.ALIGN.CENTER, 0, -50)

async def main():
    print("Starting LVGL Async Loop...")
    while True:
        lv.task_handler()
        await asyncio.sleep_ms(5)


if __name__ == "__main__":
    try:
        asyncio.run(main())
    except KeyboardInterrupt:
        pass
    finally:
        display.set_power(False)
        print("Display powered down.")