"Hello World" for a MatrixPortal M4 connected to two 64x32 LED panels; dependent on display_manager.py

code.py

import board
import busio
from digitalio import DigitalInOut, Pull
import neopixel
from adafruit_matrixportal.matrix import Matrix
from adafruit_esp32spi import adafruit_esp32spi
from adafruit_esp32spi import adafruit_esp32spi_wifimanager
import display_manager

# --- SECRETS SETUP ----

try:
    from secrets import secrets
    print("secrets loaded")
except ImportError:
    print("Wifi + constants are kept in secrets.py, please add them there!")
    raise

# --- INITIALIZE DISPLAY -----------------------------------------------

# MATRIX DISPLAY MANAGER
matrix = Matrix(width=128, height=32, bit_depth=2, tile_rows=1)
display_manager = display_manager.display_manager(matrix.display)
print("display manager loaded")

# --- WIFI SETUP -------------
# Initialize ESP32 Pins:
esp32_cs = DigitalInOut(board.ESP_CS)
esp32_ready = DigitalInOut(board.ESP_BUSY)
esp32_reset = DigitalInOut(board.ESP_RESET)
# Initialize wifi components
spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
# Initialize neopixel status light
status_light = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=0.2)
# Initialize wifi object
wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets, status_light)

print("WiFi loaded")

while True:
    display_manager.update_label("Hello World!")
    display_manager.refresh_display()