Adafruit_Learning_System_Gu.../Rotary_Encoder/rotary_encoder_volume.py
2018-06-08 15:06:21 -04:00

35 lines
1 KiB
Python
Executable file

import rotaryio
import board
import digitalio
from adafruit_hid.consumer_control import ConsumerControl
from adafruit_hid.consumer_control_code import ConsumerControlCode
button = digitalio.DigitalInOut(board.D12)
button.direction = digitalio.Direction.INPUT
button.pull = digitalio.Pull.UP
encoder = rotaryio.IncrementalEncoder(board.D10, board.D9)
cc = ConsumerControl()
button_state = None
last_position = encoder.position
while True:
position = encoder.position
diff = position - last_position
if diff > 0:
for _ in range(diff):
cc.send(ConsumerControlCode.VOLUME_INCREMENT)
print(position)
elif diff < 0:
for _ in range(-diff): # or abs(diff)
cc.send(ConsumerControlCode.VOLUME_DECREMENT)
print(position)
last_position = position
if not button.value and button_state is None:
button_state = "pressed"
if button.value and button_state == "pressed":
print("button")
cc.send(ConsumerControlCode.PLAY_PAUSE)
button_state = None