CP 5.0.0-alpha.2 displayio EPD Testing

code.py

import os
import time
import board
import terminalio
import displayio
from adafruit_display_text.label import Label
from adafruit_ssd1675 import SSD1675
from adafruit_il0373 import IL0373


# PyPortal
pyportal = True
#
# ...OR...
#
# Feather M4 Express + choose your own EPD adventure:
ssd1675 = False  # 2C
il0373 = False  # 3C

if pyportal:
    display = board.DISPLAY
    epd_type = 'None'
else:
    displayio.release_displays()
    cs = board.D9
    dc = board.D10
    if ssd1675:
        # Adafruit 2.13" Black and White FeatherWing
        # https://github.com/adafruit/Adafruit_CircuitPython_SSD1675/blob/master/examples/ssd1675_simpletest.py
        display_bus = displayio.FourWire(board.SPI(), command=dc, chip_select=cs, baudrate=1000000)
        time.sleep(1)
        display = SSD1675(display_bus, width=250, height=122, rotation=90, seconds_per_frame=10)
        epd_type = 'ssd1675_2C'
    elif il0373:
        # Adafruit 2.13" Tri-Color FeatherWing
        # https://github.com/adafruit/Adafruit_CircuitPython_IL0373/blob/master/examples/il0373_simpletest.py
        display_bus = displayio.FourWire(board.SPI(), command=dc, chip_select=cs, baudrate=1000000)
        time.sleep(1)
        display = IL0373(display_bus, width=212, height=104, rotation=90, highlight_color=0xff0000, seconds_per_frame=30)
        epd_type = 'il0373_3C'

with open('/VERSIONS.txt') as f:
    cp_lib_bundle = f.readline().strip()
print(os.uname()[4], os.uname()[3], cp_lib_bundle)

loop = 0
while True:
    try:
        # Wait, then display OnDiskBitmap

        if epd_type is 'None':
            time.sleep(1)
            time_to_refresh = 0.0
        else:
            time.sleep(display.time_to_refresh)
            time_to_refresh = display.time_to_refresh

        print("Disk", loop, epd_type, time_to_refresh)
        with open("/display-ruler.bmp", "rb") as bitmap_file:
            intro = displayio.Group(max_size=1)
            ruler_bitmap = displayio.OnDiskBitmap(bitmap_file)
            ruler = displayio.TileGrid(ruler_bitmap, pixel_shader=displayio.ColorConverter())
            intro.append(ruler)

            time.sleep(time_to_refresh)
            display.show(intro)
            display.refresh()

            time.sleep(1)  # to keep it displayed on non-EPD displays before exiting context

        # Wait, then display default CircuitPython terminal

        if epd_type is 'None':
            time.sleep(1)
            time_to_refresh = 0.0
        else:
            time.sleep(display.time_to_refresh)
            time_to_refresh = display.time_to_refresh

        print("None", loop, epd_type, time_to_refresh)
        time.sleep(time_to_refresh)
        display.show(None)
        display.refresh()
    except RuntimeError as e:  # Refresh too soon
        print(loop, epd_type, time_to_refresh, e)

    loop += 1