|
| 1 | +# SPDX-FileCopyrightText: 2025 Liz Clark for Adafruit Industries |
| 2 | +# |
| 3 | +# SPDX-License-Identifier: MIT |
| 4 | + |
| 5 | +"""MagTag IoT Menorah""" |
| 6 | +import time |
| 7 | +import displayio |
| 8 | +from adafruit_magtag.magtag import MagTag |
| 9 | +from adafruit_display_shapes.circle import Circle |
| 10 | + |
| 11 | +# latitude |
| 12 | +lat = 42.36 |
| 13 | +# longitude |
| 14 | +long = -71.06 |
| 15 | +# timezone offset from GMT |
| 16 | +tz_offset = -5 |
| 17 | +hanukkah_date = [12, 14] # month, date |
| 18 | +# open meteo API for sunset, today and tomorrow |
| 19 | +sunset_fetch = (f"https://api.open-meteo.com/v1/forecast?" |
| 20 | + f"latitude={lat}&longitude={long}&daily=sunset" |
| 21 | + f"&timezone=auto&forecast_days=2&timeformat=unixtime") |
| 22 | +today_sunset = ["daily", "sunset", 0] |
| 23 | +tomorrow_sunset = ["daily", "sunset", 1] |
| 24 | +# create MagTag and connect to network |
| 25 | +try: |
| 26 | + magtag = MagTag( |
| 27 | + url=sunset_fetch, |
| 28 | + json_path=(today_sunset, tomorrow_sunset), |
| 29 | + default_bg=0x000000, |
| 30 | + ) |
| 31 | + magtag.network.connect() |
| 32 | +except (ConnectionError, ValueError, RuntimeError) as e: |
| 33 | + print("*** MagTag(), Some error occured, retrying! -", e) |
| 34 | + # Exit program and restart in 1 seconds. |
| 35 | + magtag.exit_and_deep_sleep(1) |
| 36 | + |
| 37 | +# displayio groups |
| 38 | +group = displayio.Group() |
| 39 | +menorah_group = displayio.Group() |
| 40 | +circle_group = displayio.Group() |
| 41 | + |
| 42 | +# import menorah bitmap |
| 43 | +filename = "/magtag_menorah.bmp" |
| 44 | +menorah = displayio.OnDiskBitmap(filename) |
| 45 | +menorah_grid = displayio.TileGrid(menorah, pixel_shader=menorah.pixel_shader) |
| 46 | + |
| 47 | +# add bitmap to its group |
| 48 | +menorah_group.append(menorah_grid) |
| 49 | +# add menorah group to the main group |
| 50 | +group.append(menorah_group) |
| 51 | + |
| 52 | +# list of circle positions |
| 53 | +spots = ( |
| 54 | + (148, 16), # shamash |
| 55 | + (272, 31), # 1st |
| 56 | + (242, 31), # 2nd |
| 57 | + (212, 31), # 3rd |
| 58 | + (182, 31), # 4th |
| 59 | + (114, 31), # 5th |
| 60 | + (84, 31), # 6th |
| 61 | + (54, 31), # 7th |
| 62 | + (24, 31), # 8th |
| 63 | + ) |
| 64 | + |
| 65 | +# creating the circles & pulling in positions from spots |
| 66 | +for spot in spots: |
| 67 | + circle = Circle(x0=spot[0], y0=spot[1], r=13, fill=0xFFFFFF) |
| 68 | + # adding circles to their display group |
| 69 | + circle_group.append(circle) |
| 70 | + |
| 71 | +# adding circles group to main display group |
| 72 | +group.append(circle_group) |
| 73 | + |
| 74 | +# grabs time from network |
| 75 | +magtag.get_local_time() |
| 76 | +# parses time into month, date, etc |
| 77 | +now = time.localtime() |
| 78 | +print(f"now is {now}") |
| 79 | +month = now[1] |
| 80 | +day = now[2] |
| 81 | +day_count = 0 |
| 82 | +seconds_to_sleep = 3600 |
| 83 | +# check if its hanukkah |
| 84 | +if month == hanukkah_date[0]: |
| 85 | + # get the night count for hanukkah |
| 86 | + if hanukkah_date[1] <= day <= hanukkah_date[1] + 8: |
| 87 | + day_count = (day - hanukkah_date[1]) + 1 |
| 88 | + print(f"it's the {day_count} night of hanukkah!") |
| 89 | + elif day > hanukkah_date[1] + 8: |
| 90 | + day_count = 8 |
| 91 | + unix_now = time.mktime(now) |
| 92 | + # adjust unixtime to your timezone (otherwise in GMT-0) |
| 93 | + unix_now = unix_now + -(tz_offset*3600) |
| 94 | + print(unix_now) |
| 95 | + sunsets = magtag.fetch() |
| 96 | + if unix_now < sunsets[0]: |
| 97 | + seconds_to_sleep = sunsets[0] - unix_now |
| 98 | + # don't light the next candle until sunset |
| 99 | + if 0 < day_count < 8: |
| 100 | + day_count -= 1 |
| 101 | + print("the sun is still up") |
| 102 | + else: |
| 103 | + seconds_to_sleep = sunsets[1] - unix_now |
| 104 | + if day_count > 0: |
| 105 | + # sets colors of circles to transparent to reveal flames |
| 106 | + for i in range(day_count + 1): |
| 107 | + circle_group[i].fill = None |
| 108 | + time.sleep(0.1) |
| 109 | + |
| 110 | +# updates display with bitmap and current candles |
| 111 | +magtag.display.root_group = group |
| 112 | +time.sleep(5) |
| 113 | +magtag.display.refresh() |
| 114 | +time.sleep(5) |
| 115 | + |
| 116 | +# goes into deep sleep till next sunset |
| 117 | +print("entering deep sleep") |
| 118 | +print(f"sleeping for {seconds_to_sleep} seconds") |
| 119 | +magtag.exit_and_deep_sleep(seconds_to_sleep) |
| 120 | + |
| 121 | +# entire code will run again after deep sleep cycle |
| 122 | +# similar to hitting the reset button |
0 commit comments