1  # SPDX-FileCopyrightText: 2022 Liz Clark for Adafruit Industries
  2  #
  3  # SPDX-License-Identifier: MIT
  4  
  5  import board
  6  import displayio
  7  import keypad
  8  from adafruit_st7789 import ST7789
  9  import adafruit_imageload
 10  import usb_hid
 11  from adafruit_hid.keyboard import Keyboard
 12  from adafruit_hid.keycode import Keycode
 13  import usb_midi
 14  import adafruit_midi
 15  from adafruit_midi.note_on          import NoteOn
 16  from adafruit_midi.note_off         import NoteOff
 17  
 18  #  if you want to use this as an HID keyboard, set keyboard_mode to True
 19  #  otherwise, set it to False
 20  keyboard_mode = True
 21  #  if you want to use this as a MIDI keyboard, set midi_mode to True
 22  #  otherwise, set it to False
 23  midi_mode = False
 24  
 25  #  change keyboard shortcuts here
 26  #  defaults are shortcuts for save, cut, copy & paste
 27  #  comment out ctrl depending on windows or macOS
 28  if keyboard_mode:
 29      keyboard = Keyboard(usb_hid.devices)
 30      #  modifier for windows
 31      ctrl = Keycode.CONTROL
 32      #  modifier for macOS
 33      #  ctrl = Keycode.COMMAND
 34      key0 = Keycode.S
 35      key1 = Keycode.X
 36      key2 = Keycode.C
 37      key3 = Keycode.V
 38      shortcuts = [key0, key1, key2, key3]
 39  
 40  #  change MIDI note numbers here
 41  if midi_mode:
 42      midi = adafruit_midi.MIDI(midi_out=usb_midi.ports[1], out_channel=0)
 43      midi_notes = [60, 61, 62, 63]
 44  
 45  # Release any resources currently in use for the displays
 46  displayio.release_displays()
 47  
 48  #  spi display setup
 49  spi = board.SPI()
 50  tft_cs = board.D7
 51  tft_dc = board.D5
 52  
 53  display_bus = displayio.FourWire(
 54      spi, command=tft_dc, chip_select=tft_cs, reset=board.D6
 55  )
 56  
 57  #  display setup
 58  display = ST7789(display_bus, width=240, height=240, rowstart=80)
 59  
 60  bitmap, palette = adafruit_imageload.load("/partyParrotsSmol.bmp",
 61                                            bitmap=displayio.Bitmap,
 62                                            palette=displayio.Palette)
 63  
 64  # Create a TileGrid to hold the bitmap
 65  parrot0_grid = displayio.TileGrid(bitmap, pixel_shader=palette,
 66                                   tile_height=32, tile_width=32)
 67  
 68  # Create a Group to hold the TileGrid
 69  group = displayio.Group(scale=4, x = 64, y = 32)
 70  
 71  # Add the TileGrid to the Group
 72  group.append(parrot0_grid)
 73  
 74  # Add the Group to the Display
 75  display.show(group)
 76  
 77  #  setup button pins
 78  key_pins = (
 79      board.A0,
 80      board.A1,
 81      board.A2,
 82      board.A3,
 83  )
 84  
 85  #  create keypad
 86  keys = keypad.Keys(key_pins, value_when_pressed=False, pull=True)
 87  
 88  p = 0 #  variable for tilegrid index
 89  
 90  while True:
 91  
 92      #  get keypad inputs
 93      event = keys.events.get()
 94      if event:
 95          #  if a key is pressed..
 96          if event.pressed:
 97              #  if a midi keyboard
 98              if midi_mode:
 99                  #  send note number
100                  midi.send(NoteOn(midi_notes[event.key_number], 120))
101              #  if hid keyboard
102              if keyboard_mode:
103                  #  send hid keyboard shortcut
104                  keyboard.send(ctrl, shortcuts[event.key_number])
105              #  advance parrot index
106              p = (p + 1) % 10
107              #  update parrot bitmap
108              parrot0_grid[0] = p
109          #  if a key is released
110          if event.released:
111              #  if a midi keyboard
112              if midi_mode:
113                  #  send note off message
114                  midi.send(NoteOff(midi_notes[event.key_number], 120))