rotary_trinkey_yt_control.py

import time
import board
import rotaryio
import touchio
import digitalio
import usb_hid
from adafruit_hid.keyboard import Keyboard
from adafruit_hid.keyboard_layout_us import KeyboardLayoutUS
from adafruit_hid.keycode import Keycode
from adafruit_hid.consumer_control import ConsumerControl
from adafruit_hid.consumer_control_code import ConsumerControlCode
import neopixel

# ------- Set up the inputs  ------ #
button = digitalio.DigitalInOut(board.SWITCH)
button.direction = digitalio.Direction.INPUT
button.pull = digitalio.Pull.DOWN

encoder = rotaryio.IncrementalEncoder(board.ROTA, board.ROTB)

touch = touchio.TouchIn(board.TOUCH)

button_state = None
last_position = encoder.position

# ------- Set up NeoPixel  ------ #
pixel = neopixel.NeoPixel(board.NEOPIXEL, 1, brightness=1.0)


# ------- Set up HID  ------ #
keyboard = Keyboard(usb_hid.devices)
keyboard_layout = KeyboardLayoutUS(keyboard)
# cc = ConsumerControl(usb_hid.devices)

# ------- Hue/Sat/Val function to convert to RGB  ------ #
def hsv2rgb(h, s, v):
    """
    Convert H,S,V in 0-255,0-255,0-255 format
    to R,G,B in 0-255,0-255,0-255 format
    Converts an integer HSV (value range from 0 to 255) to an RGB tuple
    """
    if s == 0: return v, v, v
    h = h/255
    s = s/255
    v = v/255
    i = int(h * 6.0)  # XXX assume int() truncates!
    f = (h * 6.0) - i
    p = v * (1.0 - s)
    q = v * (1.0 - s * f)
    t = v * (1.0 - s * (1.0 - f))
    i = i % 6
    if i == 0: r,g,b = v,t,p
    if i == 1: r,g,b = q,v,p
    if i == 2: r,g,b = p,v,t
    if i == 3: r,g,b = p,q,v
    if i == 4: r,g,b = t,p,v
    if i == 5: r,g,b = v,p,q
    return int(r*255), int(g*255), int(b*255)


hue = 180
sat = 255
val = 255
color = hsv2rgb(hue, sat, val)

pixel[0] = color
pixel.show()


while True:
    # ------- Check encoder for change  ------ #
    current_position = encoder.position
    position_change = current_position - last_position

    # ------- Clockwise send .  ------ #
    if position_change > 0:
        for _ in range(position_change):
            #cc.send(ConsumerControlCode.VOLUME_INCREMENT)
            keyboard.send(Keycode.PERIOD)
            hue = current_position*10
            pixel[0] = hsv2rgb(hue, sat, val)
            pixel.show()
        print(current_position)

    # ------- CCW send ,  ------ #
    elif position_change < 0:
        for _ in range(-position_change):
            #cc.send(ConsumerControlCode.VOLUME_DECREMENT)
            keyboard.send(Keycode.COMMA)
            hue = current_position*10
            pixel[0] = hsv2rgb(hue, sat, val)
            pixel.show()
        print(current_position)
    last_position = current_position

    # ------- Button send c  ------ #
    if not button.value and button_state is None:
        button_state = "pressed"
    if button.value and button_state == "pressed":
        print("Button pressed.")
        keyboard.send(Keycode.C)
        #cc.send(ConsumerControlCode.PLAY_PAUSE)
        button_state = None

    # ------- Touch send spacebar play/pause  ------ #
    if touch.value:
        while touch.value:  # Wait for release
            time.sleep(0.1)
        keyboard.send(Keycode.SPACEBAR)