Hello World

Through MicorPython programming, various display functions of LCD are realized, including printing characters, drawing points, lines, rectangles, circles, displaying pictures, etc.

import logging
import modules.common.color as color
from modules.service.time_service import TimeService
import uasyncio

TITLE = "Hello World"
initialized = None
lasttime = 0
counter = 0

#################################################


async def on_refresh(screen, config):
    global initialized, counter, lasttime

    if not initialized:
        initialized = True
        screen.fill(color.ORANGE) # clear screen

    now = TimeService().get_epoch()
    if now % 1 == 0 and now != lasttime:
        logging.debug("@%d", now)
        lasttime = now
        counter += 1
        screen.print_str("Hello Vobot!", 5, 80, color.WHITE, backColor=color.ORANGE, fontId=3)
        screen.print_str(str(counter), 5, 120, color.WHITE, backColor=color.ORANGE, fontId=3)

        # await uasyncio.sleep(2)
        # screen.picture(0, 0, "/data/picture/xx/xx.jpg")
        # await uasyncio.sleep(2)
        # screen.draw_pixel(x, y, color)
        # await uasyncio.sleep(2)
        # screen.draw_circle(x, y, r, color, border=1, fill_color=None)
        # await uasyncio.sleep(2)
        # screen.draw_rect(x, y, width, height, color, border, fillcolor)
        # screen.draw_line(sex0, y0, x1, y1, color)


async def on_selected(scr, config):
    pass


async def on_leave(screen, config):
    global initialized
    initialized = False


async def on_enter(screen, config):
    pass


async def on_boot(screen, config):
    pass