LilyGo T-Display S3 display hand-setup in CircuitPython

lilygo_tdisplay_s3_handsetup.py

"""
LilyGo T-Display S3 display hand-setup. Not normally required if using https://circuitpython.org/board/lilygo_tdisplay_s3/
"""
import time
import board
import digitalio
import displayio
import paralleldisplaybus
import adafruit_st7789

displayio.release_displays()

lcd_power = digitalio.DigitalInOut(board.LCD_POWER_ON)   # IO15
lcd_power.switch_to_output(value=True)

display_bus = paralleldisplaybus.ParallelBus(
    # IO39,40,41,42,43,44,45,46,47,48
    data_pins = (board.LCD_D0, board.LCD_D1, board.LCD_D2, board.LCD_D3,
                 board.LCD_D4, board.LCD_D5, board.LCD_D6, board.LCD_D7),
    command = board.LCD_DC,      # IO7,
    chip_select = board.LCD_CS,  # IO6,
    write = board.LCD_WR,        # IO8,
    read = board.LCD_RD,         # IO9,
    reset = board.LCD_RST,       # IO5,
    frequency = 15_000_000,
)
display = adafruit_st7789.ST7789(display_bus, width=320, height=170, rotation=270, colstart=35)

while True:
    print(time.monotonic(), "this is on screen")
    time.sleep(0.2)