S2 PICO V1.0.0 WEMOS.CC testing: board.DISPLAY

code.py

# Import all board pins.
import board
import busio
import time

import displayio
import adafruit_displayio_ssd1306
import vectorio

displayio.release_displays()
i2c = board.I2C()  # uses board.SCL and board.SDA
oled_reset=board.LCD_RST
display_bus = displayio.I2CDisplay(i2c, device_address=0x3C, reset=oled_reset)
display = adafruit_displayio_ssd1306.SSD1306(display_bus, width=128, height=32)

### ^^^ Manual initialization until `display = board.DISPLAY` start working vvv
#display = board.DISPLAY
splash = displayio.Group(x=0, y=0, scale=1)
display.show(splash)

color_palette = displayio.Palette(2)
color_palette[0] = 0
color_palette[1] = 0xFFFFFF

lines = displayio.Group()
lines.append(vectorio.Rectangle(pixel_shader=color_palette, color_index=1,
    x=0, y=0, width=display.width, height=display.height,
))
lines.append(vectorio.Rectangle(pixel_shader=color_palette, color_index=0,
    x=1, y=1, width=display.width-2, height=display.height-2,
))
for y in range(0, display.height+1, 16):
    lines.append(vectorio.Rectangle(pixel_shader=color_palette,
        width=display.width, height=1, x=0, y=y, color_index=1,
    ))
for x in range(0, display.width+1, 16):
    lines.append(vectorio.Rectangle(pixel_shader=color_palette,
        width=1, height=display.height, x=x, y=0, color_index=1,
    ))

splash.append(lines)

# this must not crash with a "pin in use" error
i2c = board.I2C()

while True:
    time.sleep(1)