Infinity_Cat_ears

infinity_cat_ears.py

#CircuitPython code for a Trinket M0 with mini NeoPixel lights and a single button to control
#the lighting inside a set of infinity-mirror cat ears, powered by a small LiPoly battery.
from digitalio import DigitalInOut, Direction, Pull
import board
import time
import neopixel

pixelPin = board.D1                                         #set NeoPixel output pin
pixelNumber = 20                                            #set number of NeoPixels
strip = neopixel.NeoPixel(pixelPin, pixelNumber, brightness=0.5, auto_write=False)
button = DigitalInOut(board.D2)                             #set pin number of the button
button.direction = Direction.INPUT
button.pull = Pull.UP                                       #register an up button as default (true)
lock = False                                                #establish the color lock

while True:
    for x in range(0, 255):                                 #red to green cycle
        strip.fill((x, 255-x, 0))
        strip.write()
        if ( button.value == False and lock == False):      #check for button press
            lock = True                                     #set the lock state
            strip.fill((x, 255-x, 0))                       #lock the last used color
            strip.write()  
            while lock == True:
                if ( button.value == False):                #check for resume button press
                    lock = False
    for x in range(0, 255):                                 #green to blue cycle
        strip.fill((255-x, 0, x))
        strip.write()
        if ( button.value == False and lock == False):      #check for button press
            lock = True                                     #set the lock state
            strip.fill((255-x, 0, x))                       #lock the last used color
            strip.write()  
            while lock == True:
                if ( button.value == False):                #check for resume button press
                    lock = False
    for x in range(0, 255):                                 #blue to red cycle
        strip.fill((0, x, 255-x))
        strip.write()
        if ( button.value == False and lock == False):      #check for button press
            lock = True                                     #set the lock state
            strip.fill((0, x, 255-x))                       #lock the last used color
            strip.write()  
            while lock == True:
                if ( button.value == False):                #check for resume button press
                    lock = False
    time.sleep(0.01)                                        #basic sleep timer for the loop