bdbb77860b
Adding CircuitPython code for the Trombone Champ Controller learn guide. Uses an arcade button to send a space bar keypress and a neoslider to send mouse cursor movement
102 lines
2.9 KiB
Python
102 lines
2.9 KiB
Python
# SPDX-FileCopyrightText: 2022 Liz Clark for Adafruit Industries
|
|
# SPDX-License-Identifier: MIT
|
|
|
|
import time
|
|
import board
|
|
from digitalio import DigitalInOut, Direction, Pull
|
|
from adafruit_debouncer import Debouncer
|
|
import usb_hid
|
|
from adafruit_hid.keyboard import Keyboard
|
|
from adafruit_hid.keycode import Keycode
|
|
from adafruit_hid.mouse import Mouse
|
|
from rainbowio import colorwheel
|
|
from adafruit_seesaw.seesaw import Seesaw
|
|
from adafruit_seesaw.analoginput import AnalogInput
|
|
from adafruit_seesaw import neopixel
|
|
|
|
# LED for button
|
|
led = DigitalInOut(board.A0)
|
|
led.direction = Direction.OUTPUT
|
|
|
|
# button setup
|
|
key_pin = DigitalInOut(board.A1)
|
|
key_pin.direction = Direction.INPUT
|
|
key_pin.pull = Pull.UP
|
|
switch = Debouncer(key_pin)
|
|
|
|
# button to toot in the game (can be any key or a mouse click)
|
|
key_pressed = Keycode.SPACE
|
|
|
|
# keyboard object
|
|
time.sleep(1) # Sleep for a bit to avoid a race condition on some systems
|
|
keyboard = Keyboard(usb_hid.devices)
|
|
|
|
# mouse object
|
|
mouse = Mouse(usb_hid.devices)
|
|
|
|
# NeoSlider Setup
|
|
neoslider = Seesaw(board.STEMMA_I2C(), 0x30)
|
|
pot = AnalogInput(neoslider, 18)
|
|
pixels = neopixel.NeoPixel(neoslider, 14, 4, pixel_order=neopixel.GRB)
|
|
|
|
# scale pot value to rainbow colors
|
|
def potentiometer_to_color(value):
|
|
return value / 1023 * 255
|
|
|
|
# last value of the potentiometer
|
|
last_value = 0
|
|
# difference between last_value and current value
|
|
diff = 0
|
|
# mouse movement sensitivity
|
|
# increase value for faster movement, decrease for slower
|
|
mouse_sensitivity = 8
|
|
|
|
while True:
|
|
# read the slide pot's value (range of 0 to 1023)
|
|
y = pot.value
|
|
# debouncer update
|
|
switch.update()
|
|
# colorwheel for neoslider neopixels
|
|
pixels.fill(colorwheel(potentiometer_to_color(pot.value)))
|
|
# if button released
|
|
if switch.rose:
|
|
# turn off button LED
|
|
led.value = False
|
|
# release all keyboard keys
|
|
keyboard.release_all()
|
|
# if button pressed
|
|
if switch.fell:
|
|
# turn on button LED
|
|
led.value = True
|
|
# press the space bar
|
|
keyboard.press(key_pressed)
|
|
# if the current value of the pot is different from the last value
|
|
if y != last_value:
|
|
# if the last value was bigger
|
|
if last_value > y:
|
|
# find the difference
|
|
diff = abs(last_value - y)
|
|
# divide by 10
|
|
diff = diff / 10
|
|
# move cursor negative for range of difference
|
|
for i in range(diff):
|
|
mouse.move(y=-(mouse_sensitivity))
|
|
# if last value was smaller
|
|
if last_value < y:
|
|
# find the difference
|
|
diff = abs(last_value - y)
|
|
# divide by 10
|
|
diff = diff / 10
|
|
# move cursor positive for range of difference
|
|
for i in range(diff):
|
|
mouse.move(y=mouse_sensitivity)
|
|
# reset last value
|
|
last_value = y
|
|
# if value is 0
|
|
if y == 0:
|
|
# slight movement
|
|
mouse.move(y=-2)
|
|
# if value is 1023
|
|
if y == 1023:
|
|
# slight movement
|
|
mouse.move(y=2)
|