import atexit import math import time import board import digitalio from adafruit_rgb_display import rgb, st7789 from PIL import Image, ImageDraw, ImageOps running = True scr = None scr_light = None btn_upper = None btn_lower = None def screen_init(): global scr global scr_light global btn_upper global btn_lower scr_light = digitalio.DigitalInOut(board.D22) scr_light.switch_to_output() scr_light.value = True # Configuration for CS and DC pins for Raspberry Pi cs_pin = digitalio.DigitalInOut(board.CE0) dc_pin = digitalio.DigitalInOut(board.D25) reset_pin = None BAUDRATE = 64000000 # The pi can be very fast! # Create the ST7789 display: scr = st7789.ST7789( board.SPI(), cs=cs_pin, dc=dc_pin, rst=reset_pin, baudrate=BAUDRATE, width=135, height=240, x_offset=53, y_offset=40, ) scr.fill(rgb.color565(0,0,0)) btn_upper = digitalio.DigitalInOut(board.D23) btn_lower = digitalio.DigitalInOut(board.D24) btn_upper.switch_to_input() btn_lower.switch_to_input() @atexit.register def screen_deinit(): global running running = False # stops update thread scr.fill(rgb.color565(0,0,0)) scr_light.value = False current_icon = None wifi_state = 0 # -1 error, 0 disconnected, 1 connected dns_state = 0 # -1 error, 0 off, 1 running download_state = 0 # yes/no screen_on = True def screen_update(): global current_icon if wifi_state < 1 or dns_state < 1: current_icon = Image.open("res/image/problem.png") # ⚠️ else: current_icon = Image.open("res/image/okay.png") # ✅ #scr.fill(rgb.color565(0,0,0)) # blank img_canvas = Image.new("RGB", (135, 240)) hnd_canvas = ImageDraw.Draw(img_canvas) hnd_canvas.rectangle([(0,0), (135,240)], fill=(0,0,0)) hnd_canvas.text((math.floor(135/2), 0), time.strftime("%H:%M"), # top center of screen, "16:20" fill=(50,200,255), anchor="mt", # cyan, middle-top font_size=16) img_canvas.paste(current_icon, (math.floor(135/2) - 32, math.floor(240/2) - 32)) scr.image(img_canvas) def screen_thread(): while running: screen_update() time.sleep(1)