141 lines
4.2 KiB
Python
141 lines
4.2 KiB
Python
# SPDX-FileCopyrightText: 2021 Liz Clark for Adafruit Industries
|
|
#
|
|
# SPDX-License-Identifier: MIT
|
|
|
|
import board
|
|
import displayio
|
|
import digitalio
|
|
from adafruit_st7789 import ST7789
|
|
import usb_hid
|
|
from adafruit_hid.keyboard import Keyboard
|
|
from adafruit_hid.keycode import Keycode
|
|
import usb_midi
|
|
import adafruit_midi
|
|
from adafruit_midi.note_on import NoteOn
|
|
from adafruit_midi.note_off import NoteOff
|
|
|
|
# if you want to use this as an HID keyboard, set keyboard_mode to True
|
|
# otherwise, set it to False
|
|
keyboard_mode = True
|
|
# if you want to use this as a MIDI keyboard, set midi_mode to True
|
|
# otherwise, set it to False
|
|
midi_mode = False
|
|
|
|
# change keyboard shortcuts here
|
|
# defaults are shortcuts for save, cut, copy & paste
|
|
# comment out ctrl depending on windows or macOS
|
|
if keyboard_mode:
|
|
keyboard = Keyboard(usb_hid.devices)
|
|
# modifier for windows
|
|
ctrl = Keycode.CONTROL
|
|
# modifier for macOS
|
|
# ctrl = Keycode.COMMAND
|
|
key0 = Keycode.S
|
|
key1 = Keycode.X
|
|
key2 = Keycode.C
|
|
key3 = Keycode.V
|
|
shortcuts = [key0, key1, key2, key3]
|
|
|
|
# change MIDI note numbers here
|
|
if midi_mode:
|
|
midi = adafruit_midi.MIDI(midi_out=usb_midi.ports[1], out_channel=0)
|
|
midi_notes = [60, 61, 62, 63]
|
|
|
|
# Release any resources currently in use for the displays
|
|
displayio.release_displays()
|
|
|
|
# spi display setup
|
|
spi = board.SPI()
|
|
tft_cs = board.D7
|
|
tft_dc = board.D5
|
|
|
|
display_bus = displayio.FourWire(
|
|
spi, command=tft_dc, chip_select=tft_cs, reset=board.D6
|
|
)
|
|
|
|
# display setup
|
|
display = ST7789(display_bus, width=240, height=240, rowstart=80)
|
|
|
|
# CircuitPython 6 & 7 compatible
|
|
# bitmap setup
|
|
bitmap = displayio.OnDiskBitmap(open("/parrot-240-sheet.bmp", "rb"))
|
|
|
|
# Create a TileGrid to hold the bitmap
|
|
parrot0_grid = displayio.TileGrid(bitmap, pixel_shader=getattr(bitmap, 'pixel_shader', displayio.ColorConverter()),
|
|
tile_height=240, tile_width=240)
|
|
|
|
# # CircuitPython 7+ compatible
|
|
# bitmap = displayio.OnDiskBitmap("/parrot-240-sheet.bmp")
|
|
|
|
# Create a TileGrid to hold the bitmap
|
|
# parrot0_grid = displayio.TileGrid(bitmap, pixel_shader=bitmap.pixel_shader,
|
|
# tile_height=240, tile_width=240)
|
|
|
|
# Create a Group to hold the TileGrid
|
|
group = displayio.Group()
|
|
|
|
# Add the TileGrid to the Group
|
|
group.append(parrot0_grid)
|
|
|
|
# Add the Group to the Display
|
|
display.show(group)
|
|
|
|
# digital pins for the buttons
|
|
key_pins = [board.A0, board.A1, board.A2, board.A3]
|
|
|
|
# array for buttons
|
|
keys = []
|
|
|
|
# setup buttons as inputs
|
|
for key in key_pins:
|
|
key_pin = digitalio.DigitalInOut(key)
|
|
key_pin.direction = digitalio.Direction.INPUT
|
|
key_pin.pull = digitalio.Pull.UP
|
|
keys.append(key_pin)
|
|
|
|
p = 0 # variable for tilegrid index
|
|
a = 0 # variable for tile position
|
|
|
|
# states for buttons
|
|
key0_pressed = False
|
|
key1_pressed = False
|
|
key2_pressed = False
|
|
key3_pressed = False
|
|
|
|
# array for button states
|
|
key_states = [key0_pressed, key1_pressed, key2_pressed, key3_pressed]
|
|
|
|
while True:
|
|
# default tile grid position
|
|
parrot0_grid[a] = p
|
|
|
|
# iterate through 4 buttons
|
|
for i in range(4):
|
|
inputs = keys[i]
|
|
# if button is pressed...
|
|
if not inputs.value and key_states[i] is False:
|
|
# tile grid advances by 1 frame
|
|
p += 1
|
|
# update button state
|
|
key_states[i] = True
|
|
# if a midi keyboard...
|
|
if midi_mode:
|
|
# send NoteOn for corresponding MIDI note
|
|
midi.send(NoteOn(midi_notes[i], 120))
|
|
# if an HID keyboard...
|
|
if keyboard_mode:
|
|
# send keyboard output for corresponding keycode
|
|
# the default includes a modifier along with the keycode
|
|
keyboard.send(ctrl, shortcuts[i])
|
|
# if the tile grid's index is at 9...
|
|
if p > 9:
|
|
# reset the index to 0
|
|
p = 0
|
|
# if the button is released...
|
|
if inputs.value and key_states[i] is True:
|
|
# update button state
|
|
key_states[i] = False
|
|
# if a midi keyboard...
|
|
if midi_mode:
|
|
# send NoteOff for corresponding MIDI note
|
|
midi.send(NoteOff(midi_notes[i], 120))
|