1  # SPDX-FileCopyrightText: 2020 Eva Herrada for Adafruit Industries
  2  #
  3  # SPDX-License-Identifier: MIT
  4  
  5  # Based on code written by @DavidGlaude on Twitter
  6  # https://twitter.com/DavidGlaude/status/1340365817138044933
  7  # https://gist.github.com/dglaude/4bf8d0a13c9c8ca8b05d6c0e9176bd20
  8  
  9  import time
 10  import alarm
 11  import displayio
 12  import board
 13  import adafruit_imageload
 14  from adafruit_display_shapes.rect import Rect
 15  from adafruit_magtag.magtag import Graphics
 16  from digitalio import DigitalInOut, Direction, Pull
 17  
 18  projects = [
 19      "weather",
 20      "spacex",
 21      "covid",
 22      "showerthoughts",
 23      "tides",
 24      "year",
 25      "showtimes",
 26      "slideshow",
 27  ]
 28  
 29  btnA = DigitalInOut(board.D15)
 30  btnA.direction = Direction.INPUT
 31  btnA.pull = Pull.UP
 32  
 33  btnB = DigitalInOut(board.D14)
 34  btnB.direction = Direction.INPUT
 35  btnB.pull = Pull.UP
 36  
 37  btnC = DigitalInOut(board.D12)
 38  btnC.direction = Direction.INPUT
 39  btnC.pull = Pull.UP
 40  
 41  btnD = DigitalInOut(board.D11)
 42  btnD.direction = Direction.INPUT
 43  btnD.pull = Pull.UP
 44  
 45  graphics = Graphics(auto_refresh=False)
 46  display = graphics.display
 47  group = displayio.Group()
 48  
 49  selector = False
 50  if not btnA.value or not btnB.value or not btnC.value or not btnD.value:
 51      selector = True
 52  
 53  if selector:
 54      background = Rect(0, 0, 296, 128, fill=0xFFFFFF)
 55      group.append(background)
 56      for i in range(8):
 57          sprite_sheet, palette = adafruit_imageload.load(
 58              f"/bmps/{projects[i]}.bmp",
 59              bitmap=displayio.Bitmap,
 60              palette=displayio.Palette,
 61          )
 62          sprite = displayio.TileGrid(
 63              sprite_sheet,
 64              pixel_shader=palette,
 65              width=1,
 66              height=1,
 67              tile_width=62,
 68              tile_height=54,
 69              x=6 + 74 * (i % 4),
 70              y=6 + 62 * (i // 4),
 71          )
 72          group.append(sprite)
 73  
 74      rect = Rect(4, 4, 66, 58, outline=0x000000, stroke=2)
 75      group.append(rect)
 76      display.show(group)
 77      display.refresh()
 78  
 79      time.sleep(5)
 80      print("Ready")
 81      selected = 0
 82      while True:
 83          if not btnA.value and not btnD.value:
 84              alarm.sleep_memory[0] = selected
 85              break
 86  
 87          if not btnA.value and selected != 0 and selected != 4:
 88              selected -= 1
 89              rect.x -= 74
 90              display.refresh()
 91              print("left")
 92              time.sleep(5)
 93              continue
 94  
 95          if not btnB.value and selected > 3:
 96              selected -= 4
 97              rect.y -= 62
 98              display.refresh()
 99              print("up")
100              time.sleep(5)
101              continue
102  
103          if not btnC.value and selected < 4:
104              selected += 4
105              rect.y += 62
106              display.refresh()
107              print("down")
108              time.sleep(5)
109              continue
110  
111          if not btnD.value and selected != 3 and selected != 7:
112              selected += 1
113              rect.x += 74
114              display.refresh()
115              print("right")
116              time.sleep(5)
117              continue
118  
119  btnA.deinit()
120  btnB.deinit()
121  btnC.deinit()
122  btnD.deinit()
123  
124  print("Starting ", projects[int(alarm.sleep_memory[0])])
125  __import__("/projects/" + projects[int(alarm.sleep_memory[0])])