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