def rainbow_on():
global step
step += 1
for i in range(16):
x, y = number_to_xy(i)
hue = (x + y + (step / 20)) / 8
hue = hue - int(hue)
hue = hue - math.floor(hue)
r, g, b = hsv_to_rgb(hue, 1, 1)
keys[i].set_led(r, g, b)
# 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
# Set up the modifier key. It's 0, or the bottom left key.
modifier_key = keys[MODIFIER_KEY]
modifier_key.modifier = True
# The starting colour (black/off)
rgb = (0, 0, 0)
while True:
# Always remember to call keybow.update()!
keybow.update()
# If the modifier key and any other key are pressed, then set all the
# keys to the selected colour. The second key pressed picks the colour.
if modifier_key.held and keybow.any_pressed:
if len(keybow.get_pressed()) > 1:
hue = max(keybow.get_pressed()) / 15.0
rgb = hsv_to_rgb(hue, 1.0, 1.0)
keybow.set_all(*rgb)
keyboard.release(Keycode.LEFT_CONTROL, Keycode.LEFT_SHIFT, binding)
@keybow.on_hold(key)
def hold_handler(key):
pass
while True:
# Always remember to call keybow.update() on every iteration of your loop!
keybow.update()
step += 1
for i in range(16):
# Convert the key number to an x/y coordinate to calculate the hue
# in a matrix style-y.
x, y = number_to_xy(i)
# Calculate the hue.
hue = (x + y + (step / 20)) / 8
hue = hue - int(hue)
hue = hue - math.floor(hue)
# Convert the hue to RGB values.
r, g, b = hsv_to_rgb(hue, 1, 1)
# Display it on the key!
if i == active or states[i]:
keys[i].set_led(r, g, b)
else:
keys[i].set_led(int(r / 10.0), int(g / 10.0), int(b / 10.0))