41 lines
912 B
Python
41 lines
912 B
Python
# SPDX-FileCopyrightText: 2022 Dan Halbert for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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import board
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import keypad
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import neopixel
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KEY_PINS = (
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board.KEY1,
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board.KEY2,
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board.KEY3,
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board.KEY4,
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board.KEY5,
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board.KEY6,
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board.KEY7,
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board.KEY8,
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board.KEY9,
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board.KEY10,
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board.KEY11,
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board.KEY12,
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)
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keys = keypad.Keys(KEY_PINS, value_when_pressed=False, pull=True)
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neopixels = neopixel.NeoPixel(board.NEOPIXEL, 12, brightness=0.4)
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while True:
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event = keys.events.get()
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if event:
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# A key transition occurred.
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print(event)
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if event.pressed:
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# Turn the key blue when pressed
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neopixels[event.key_number] = (0, 0, 255)
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# This could just be `else:`,
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# since event.pressed and event.released are opposites.
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if event.released:
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neopixels[event.key_number] = (0, 0, 0)
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