36 lines
1.0 KiB
Python
36 lines
1.0 KiB
Python
# SPDX-FileCopyrightText: 2021 Sandy Macdonald
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#
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# SPDX-License-Identifier: MIT
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# This example demonstrates attaching functions to keys using decorators, and
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# the ability to turn the LEDs off with led_sleep_enabled and led_sleep_time.
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# Drop the keybow2040.py file into your `lib` folder on your `CIRCUITPY` drive.
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import board
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from keybow2040 import Keybow2040
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# Set up Keybow
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i2c = board.I2C()
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keybow = Keybow2040(i2c)
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keys = keybow.keys
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# Enable LED sleep and set a time of 5 seconds before the LEDs turn off.
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# They'll turn back on with a tap of any key!
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keybow.led_sleep_enabled = True
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keybow.led_sleep_time = 5
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# Loop through the keys and set the RGB colour for the keys to magenta.
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for key in keys:
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key.rgb = (255, 0, 255)
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# Attach a `on_hold` decorator to the key that toggles the key's LED when
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# the key is held (the default hold time is 0.75 seconds).
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@keybow.on_hold(key)
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def hold_handler(key):
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key.toggle_led()
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while True:
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# Always remember to call keybow.update()!
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keybow.update()
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