1  # SPDX-FileCopyrightText: 2020 Liz Clark for Adafruit Industries
  2  #
  3  # SPDX-License-Identifier: MIT
  4  
  5  import time
  6  import displayio
  7  from adafruit_magtag.magtag import MagTag
  8  from adafruit_display_shapes.circle import Circle
  9  
 10  #  create MagTag and connect to network
 11  try:
 12      magtag = MagTag()
 13      magtag.network.connect()
 14  except (ConnectionError, ValueError, RuntimeError) as e:
 15      print("*** MagTag(), Some error occured, retrying! -", e)
 16      # Exit program and restart in 1 seconds.
 17      magtag.exit_and_deep_sleep(1)
 18  
 19  
 20  
 21  #  displayio groups
 22  group = displayio.Group()
 23  tree_group = displayio.Group()
 24  circle_group = displayio.Group()
 25  
 26  #  import tree bitmap
 27  filename = "/atree.bmp"
 28  
 29  # CircuitPython 6 & 7 compatible
 30  tree = displayio.OnDiskBitmap(open(filename, "rb"))
 31  tree_grid = displayio.TileGrid(
 32      tree, pixel_shader=getattr(tree, 'pixel_shader', displayio.ColorConverter())
 33  )
 34  
 35  # # CircuitPython 7+ compatible
 36  # tree = displayio.OnDiskBitmap(filename)
 37  # tree_grid = displayio.TileGrid(tree, pixel_shader=tree.pixel_shader)
 38  
 39  #  add bitmap to its group
 40  tree_group.append(tree_grid)
 41  #  add tree group to the main group
 42  group.append(tree_group)
 43  
 44  #  list of circle positions
 45  spots = (
 46      (246, 53),
 47      (246, 75),
 48      (206, 42),
 49      (206, 64),
 50      (206, 86),
 51      (176, 31),
 52      (176, 53),
 53      (176, 75),
 54      (176, 97),
 55      (136, 42),
 56      (136, 64),
 57      (136, 86),
 58      (106, 31),
 59      (106, 53),
 60      (106, 75),
 61      (106, 97),
 62      (66, 31),
 63      (66, 53),
 64      (66, 75),
 65      (66, 97),
 66      (36, 20),
 67      (36, 42),
 68      (36, 64),
 69      (36, 86),
 70      (36, 108)
 71      )
 72  
 73  #  circles to cover-up bitmap's number ornaments
 74  
 75  ball_color = [0x555555, 0xaaaaaa, 0xFFFFFF] # All colors except black (0x000000)
 76  ball_index = 0
 77  
 78  #  creating the circles & pulling in positions from spots
 79  for spot in spots:
 80      circle = Circle(x0=spot[0], y0=spot[1], r=11, fill=ball_color[ball_index]) # Each ball has a color
 81      ball_index += 1
 82      ball_index %= len(ball_color)
 83  
 84  	#  adding circles to their display group
 85      circle_group.append(circle)
 86  
 87  #  adding circles group to main display group
 88  group.append(circle_group)
 89  
 90  #  grabs time from network
 91  magtag.get_local_time()
 92  #  parses time into month, date, etc
 93  now = time.localtime()
 94  month = now[1]
 95  day = now[2]
 96  (hour, minutes, seconds) = now[3:6]
 97  seconds_since_midnight = 60 * (hour*60 + minutes)+seconds
 98  print( f"day is {day}, ({seconds_since_midnight} seconds since midnight)")
 99  
100  
101  #  sets colors of circles to transparent to reveal dates that have passed & current date
102  for i in range(day):
103      circle_group[i].fill = None
104      time.sleep(0.1)
105  
106  #  updates display with bitmap and current circle colors
107  magtag.display.show(group)
108  magtag.display.refresh()
109  time.sleep(5)
110  
111  #  goes into deep sleep till a 'stroke' past midnight
112  print("entering deep sleep")
113  seconds_to_sleep = 24*60*60 - seconds_since_midnight + 10
114  print( f"sleeping for {seconds_to_sleep} seconds")
115  magtag.exit_and_deep_sleep(seconds_to_sleep)
116  
117  #  entire code will run again after deep sleep cycle
118  #  similar to hitting the reset button