119 lines
4 KiB
Python
119 lines
4 KiB
Python
# SPDX-FileCopyrightText: 2019 Dave Astels for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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"""
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PyPortal based countdown of days until Halloween.
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Adafruit invests time and resources providing this open source code.
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Please support Adafruit and open source hardware by purchasing
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products from Adafruit!
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Written by Dave Astels for Adafruit Industries
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Copyright (c) 2019 Adafruit Industries
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Licensed under the MIT license.
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All text above must be included in any redistribution.
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"""
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#pylint:disable=invalid-name
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import time
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import random
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import board
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from adafruit_pyportal import PyPortal
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from adafruit_bitmap_font import bitmap_font
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from adafruit_display_text.label import Label
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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 settings are kept in secrets.py, please add them there!
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the secrets dictionary must contain 'ssid' and 'password' at a minimum""")
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raise
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# The time of the thing!
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EVENT_YEAR = 2019
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EVENT_MONTH = 10
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EVENT_DAY = 31
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# we'll make a python-friendly structure
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event_time = time.struct_time((EVENT_YEAR, EVENT_MONTH, EVENT_DAY,
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0, 0, 0, # we don't track hours, minutes, or seconds
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-1, -1, False)) # we dont know day of week/year or DST
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# determine the current working directory
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# needed so we know where to find files
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cwd = ("/"+__file__).rsplit('/', 1)[0]
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big_font = bitmap_font.load_font(cwd+"/fonts/Terror-94.bdf")
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big_font.load_glyphs(b'0123456789') # pre-load glyphs for fast printing
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backgrounds = ['background_1.bmp',
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'background_2.bmp',
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'background_3.bmp',
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'background_4.bmp',
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'background_5.bmp',
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'background_6.bmp',
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'background_7.bmp',
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'background_8.bmp',
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'background_9.bmp',
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'background_10.bmp',
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'background_11.bmp',
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'background_12.bmp',
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'background_13.bmp',
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'background_14.bmp',
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'background_15.bmp',
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'background_16.bmp',
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'background_17.bmp']
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event_background = cwd+"/happy_halloween.bmp"
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# Initialize the pyportal object and let us know what data to fetch and where
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# to display it
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pyportal = PyPortal(status_neopixel=board.NEOPIXEL,
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default_bg=cwd + backgrounds[0],
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caption_text='DAYS REMAINING',
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caption_font=cwd+'/fonts/Terror-31.bdf',
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caption_position=(24, 218),
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caption_color=0x000000)
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countdown_text = Label(big_font)
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countdown_text.x = 25
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countdown_text.y = 120
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countdown_text.color = 0x7942a0
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pyportal.splash.append(countdown_text)
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refresh_time = None
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while True:
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# only query the online time once per hour (and on first run)
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if (not refresh_time) or (time.monotonic() - refresh_time) > 3600:
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try:
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print("Getting time from internet!")
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pyportal.get_local_time(location=secrets['timezone'])
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refresh_time = time.monotonic()
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except RuntimeError as e:
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print("Some error occured, retrying! -", e)
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continue
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timestamp = time.localtime()
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now = time.struct_time((timestamp[0], timestamp[1], timestamp[2],
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0, 0, 0, # we don't track seconds
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-1, -1, False)) # we dont know day of week/year or DST
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print("Current time:", now)
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remaining = time.mktime(event_time) - time.mktime(now)
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print("Time remaining (s):", remaining)
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if remaining == 0:
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# oh, its event time!
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pyportal.set_background(event_background)
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countdown_text.text = ''
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pyportal.set_caption('', (13, 215), 0x000000)
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while True: # that's all folks
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pass
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days_remaining = remaining // 86400
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print("%d days remaining" % (days_remaining))
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countdown_text.text = '{:>3}'.format(days_remaining)
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pyportal.set_background(backgrounds[random.randint(0, len(backgrounds) - 1)])
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# update every minute
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time.sleep(60)
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