Simple Clock

simple-clock.py

import time
import board
from adafruit_matrixportal.matrixportal import MatrixPortal

DEBUG = False
TIME24H = False

# --- Display setup ---
matrixportal = MatrixPortal(status_neopixel=board.NEOPIXEL, bit_depth=4, debug=DEBUG, width=64, height=32)

# Create a new label with the color and text selected
matrixportal.add_text(
    text_font="fonts/Dondo.bdf",
    text_color="#FFFF00",
    text_position=(0, (matrixportal.graphics.display.height // 2) - 1)
)

def update_time_display(*, hours=None, minutes=None):
    now = time.localtime()

    if hours is None:
        hours = now.tm_hour
    if not TIME24H and hours > 12:
        hours -= 12

    if minutes is None:
        minutes = now.tm_min

    clock_text = "{hours}:{minutes:02d}".format(hours=hours, minutes=minutes)
    matrixportal.set_text(clock_text)
    bbw = matrixportal._text[0].bounding_box[2]
    matrixportal._text[0].x = round(matrixportal.graphics.display.width / 2 - bbw / 2)

last_time_update = None
while True:
    if last_time_update is None or time.monotonic() > last_time_update + 3600:
        try:
            update_time_display()
            matrixportal.get_local_time()
            last_time_update = time.monotonic()
        except RuntimeError as e:
            print("Error when updating time: ", e)

    update_time_display()
    time.sleep(1)