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| 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) |
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