82 lines
2.5 KiB
Python
Executable file
82 lines
2.5 KiB
Python
Executable file
# SPDX-FileCopyrightText: 2021 Collin Cunningham for Adafruit Industries
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# SPDX-License-Identifier: MIT
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import time
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import board
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import usb_hid
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from adafruit_hid.keyboard import Keyboard
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from adafruit_hid.keyboard_layout_us import KeyboardLayoutUS
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from adafruit_hid.keycode import Keycode
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from digitalio import DigitalInOut, Direction, Pull
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# The pins connected to each switch/button
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buttonpins = [board.D3, board.D4, board.D5]
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# The pins connected to each LED
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ledpins = [board.D2, board.D6, board.D7]
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# our array of button & LED objects
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buttons = []
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leds = []
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# The keycode sent for each switch/button
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buttonkeys = [Keycode.B, Keycode.C, Keycode.A]
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buttonspressed = [False, False, False]
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buttonspressedlast = [False, False, False]
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# the keyboard object!
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kbd = Keyboard(usb_hid.devices)
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# we're americans :)
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layout = KeyboardLayoutUS(kbd)
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# make all button pin objects, make them inputs w/pullups
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for pin in buttonpins:
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button = DigitalInOut(pin)
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button.direction = Direction.INPUT
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button.pull = Pull.UP
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buttons.append(button)
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# make all LED objects, make them outputs
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for pin in ledpins:
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led = DigitalInOut(pin)
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led.direction = Direction.OUTPUT
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leds.append(led)
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# set up the status LED
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statusled = DigitalInOut(board.D13)
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statusled.direction = Direction.OUTPUT
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print("Waiting for button presses")
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def pressbutton(index):
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switch_led = leds[index] # find the switch LED
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k = buttonkeys[index] # get the corresp. keycode/str
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switch_led.value = True # turn on LED
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kbd.press(k) # send keycode
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def releasebutton(index):
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switch_led = leds[index] # find the switch LED
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k = buttonkeys[index] # get the corresp. keycode/str
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switch_led.value = False # turn on LED
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kbd.release(k) # send keycode
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while True:
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# check each button
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for button in buttons:
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i = buttons.index(button)
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if button.value is False: # button is pressed?
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buttonspressed[i] = True # save pressed button
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# was button not pressed last time?
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if buttonspressedlast[i] is False:
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print("Pressed #%d" % i)
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pressbutton(i)
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else:
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buttonspressed[i] = False # button was not pressed
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if buttonspressedlast[i] is True: # was button pressed last time?
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print("Released #%d" % i)
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releasebutton(i)
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#lightneopixels()
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# save pressed buttons as pressed last
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buttonspressedlast = list(buttonspressed)
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time.sleep(0.01)
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