105 lines
3.2 KiB
Python
105 lines
3.2 KiB
Python
# SPDX-FileCopyrightText: 2020 John Park for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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# Metro Matrix Clock
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# Runs on Airlift Metro M4 with 64x32 RGB Matrix display & shield
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import time
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import board
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import displayio
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import terminalio
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from adafruit_display_text.label import Label
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from adafruit_bitmap_font import bitmap_font
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from adafruit_matrixportal.network import Network
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from adafruit_matrixportal.matrix import Matrix
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BLINK = True
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DEBUG = False
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# Get wifi details and more from a secrets.py file
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try:
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from secrets import secrets
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except ImportError:
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print("WiFi secrets are kept in secrets.py, please add them there!")
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raise
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print(" Metro Minimal Clock")
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print("Time will be set for {}".format(secrets["timezone"]))
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# --- Display setup ---
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matrix = Matrix()
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display = matrix.display
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network = Network(status_neopixel=board.NEOPIXEL, debug=False)
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# --- Drawing setup ---
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group = displayio.Group() # Create a Group
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bitmap = displayio.Bitmap(64, 32, 2) # Create a bitmap object,width, height, bit depth
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color = displayio.Palette(4) # Create a color palette
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color[0] = 0x000000 # black background
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color[1] = 0xFF0000 # red
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color[2] = 0xCC4000 # amber
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color[3] = 0x85FF00 # greenish
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# Create a TileGrid using the Bitmap and Palette
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tile_grid = displayio.TileGrid(bitmap, pixel_shader=color)
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group.append(tile_grid) # Add the TileGrid to the Group
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display.root_group = group
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if not DEBUG:
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font = bitmap_font.load_font("/IBMPlexMono-Medium-24_jep.bdf")
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else:
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font = terminalio.FONT
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clock_label = Label(font)
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def update_time(*, hours=None, minutes=None, show_colon=False):
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now = time.localtime() # Get the time values we need
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if hours is None:
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hours = now[3]
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if hours >= 18 or hours < 6: # evening hours to morning
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clock_label.color = color[1]
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else:
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clock_label.color = color[3] # daylight hours
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if hours > 12: # Handle times later than 12:59
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hours -= 12
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elif not hours: # Handle times between 0:00 and 0:59
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hours = 12
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if minutes is None:
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minutes = now[4]
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if BLINK:
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colon = ":" if show_colon or now[5] % 2 else " "
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else:
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colon = ":"
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clock_label.text = "{hours}{colon}{minutes:02d}".format(
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hours=hours, minutes=minutes, colon=colon
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)
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bbx, bby, bbwidth, bbh = clock_label.bounding_box
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# Center the label
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clock_label.x = round(display.width / 2 - bbwidth / 2)
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clock_label.y = display.height // 2
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if DEBUG:
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print("Label bounding box: {},{},{},{}".format(bbx, bby, bbwidth, bbh))
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print("Label x: {} y: {}".format(clock_label.x, clock_label.y))
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last_check = None
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update_time(show_colon=True) # Display whatever time is on the board
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group.append(clock_label) # add the clock label to the group
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while True:
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if last_check is None or time.monotonic() > last_check + 3600:
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try:
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update_time(
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show_colon=True
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) # Make sure a colon is displayed while updating
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network.get_local_time() # Synchronize Board's clock to Internet
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last_check = time.monotonic()
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except RuntimeError as e:
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print("Some error occured, retrying! -", e)
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update_time()
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time.sleep(1)
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