79 lines
No EOL
3.3 KiB
Python
79 lines
No EOL
3.3 KiB
Python
import time
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import board
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import pulseio
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import simpleio
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from digitalio import DigitalInOut, Direction, Pull
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import adafruit_fancyled.adafruit_fancyled as fancy
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import neopixel
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NEOPIXEL_PIN = board.D6
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NEOPIXEL_NUM = 31
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pixels = neopixel.NeoPixel(NEOPIXEL_PIN, NEOPIXEL_NUM, auto_write=False)
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# Since its common anode, 'off' is max duty cycle
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red_led = pulseio.PWMOut(board.D9, frequency=5000, duty_cycle=65535)
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green_led = pulseio.PWMOut(board.D10, frequency=5000, duty_cycle=65535)
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blue_led = pulseio.PWMOut(board.D11, frequency=5000, duty_cycle=65535)
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switch = DigitalInOut(board.D12)
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switch.direction = Direction.INPUT
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switch.pull = Pull.UP
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colorways = [fancy.CRGB(1.0, 1.0, 1.0), # White
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fancy.CRGB(1.0, 0.0, 0.0), # Red
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fancy.CRGB(0.5, 0.5, 0.0), # Yellow
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fancy.CRGB(0.0, 1.0, 0.0), # Green
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fancy.CRGB(0.0, 0.5, 0.5), # Cyan
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fancy.CRGB(0.0, 0.0, 1.0), # Blue
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fancy.CRGB(0.5, 0.0, 0.5), # Magenta
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# you can also make lists of colors to cycle through, like red/green/blue:
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[fancy.CRGB(1.0, 0.0, 0.0), fancy.CRGB(0.0, 1.0, 0.0), fancy.CRGB(0.0, 0.0, 1.0)],
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# or just white/blue
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[fancy.CRGB(1.0, 1.0, 1.0), fancy.CRGB(0.0, 0.0, 1.0)],
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]
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color_index = 0
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def set_rgb_led(color):
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# convert from 0-255 (neopixel range) to 65535-0 (pwm range)
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red_led.duty_cycle = int(simpleio.map_range(color[0], 0, 255, 65535, 0))
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green_led.duty_cycle = int(simpleio.map_range(color[1], 0, 255, 65535, 0))
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blue_led.duty_cycle = int(simpleio.map_range(color[2], 0, 255, 65535, 0))
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while True:
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colorway = colorways[color_index]
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if not isinstance(colorway, list):
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print("Setting pixels to RGB", colorway)
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pixels.fill(colorway.pack())
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pixels.show()
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set_rgb_led(pixels[0]) # set RGB LED as same as first pixel
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else:
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# its a list of colors to cycle through
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print("Setting pixels to a pallete of", colorway)
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swirl = 0 # we'll swirl through the colors in the color way
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while switch.value: # button pressed? quit!
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for i in range(NEOPIXEL_NUM):
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# the index into the palette is from 0 to 1.0 and uses the pixels
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# number and the swirl number to take us through the whole thing!
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pallete_index = ((swirl+i) % NEOPIXEL_NUM) / NEOPIXEL_NUM
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# Then look up the color in the pallete
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color = fancy.palette_lookup(colorway, pallete_index)
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# display it!
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pixels[i] = color.pack()
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# check button often
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if not switch.value:
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break # if its pressed, quit now
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pixels.show() # show the pixels!
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set_rgb_led(pixels[0]) # set RGB LED as same as first pixel
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swirl += 1 # never stop swirlin!
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print('Done with pallete display')
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while switch.value:
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pass # hang out and wait for the button to be pressed
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while not switch.value:
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pass # hang out and wait for the button to be released!
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print("Button pressed")
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# go to the next colorway
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color_index = (color_index + 1) % len(colorways)
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# a little debouncin' delay
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time.sleep(0.01) |