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dhalbertdhalbert
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Merge branch 'master' into cpy5-circuspython
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‎Bluetooth_Luminaries/code.py

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""" FancyLED Palette and Color Picker Control with BlueFruit App
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Code by Phil Burgess, Dan Halbert & Erin St Blaine for Adafruit Industries
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"""
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import board
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import neopixel
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import touchio
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import adafruit_fancyled.adafruit_fancyled as fancy
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# from adafruit_ble.uart import UARTServer
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# for >= CPy 5.0.0
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from adafruit_ble.uart_server import UARTServer
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from adafruit_bluefruit_connect.packet import Packet
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from adafruit_bluefruit_connect.button_packet import ButtonPacket
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from adafruit_bluefruit_connect.color_packet import ColorPacket
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NUM_LEDS = 24 # change to reflect your total number of ring LEDs
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RING_PIN = board.A1 # change to reflect your wiring
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CPX_PIN = board.D8 # CPX Neopixels live on pin D8
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touch_A2 = touchio.TouchIn(board.A2)
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touch_A3 = touchio.TouchIn(board.A3)
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touch_A4 = touchio.TouchIn(board.A4)
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touch_A5 = touchio.TouchIn(board.A5)
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touch_A6 = touchio.TouchIn(board.A6)
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touch_TX = touchio.TouchIn(board.TX)
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# Palettes can have any number of elements in various formats
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# check https://learn.adafruit.com/fancyled-library-for-circuitpython/colors
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# for more info
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# Declare a 6-element RGB rainbow palette
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PALETTE_RAINBOW = [fancy.CRGB(1.0, 0.0, 0.0), # Red
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fancy.CRGB(0.5, 0.3, 0.0), # Orange
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fancy.CRGB(0.5, 0.5, 0.0), # Yellow
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fancy.CRGB(0.3, 0.7, 0.0), # Yellow Green
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fancy.CRGB(0.0, 1.0, 0.0), # Green
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fancy.CRGB(0.0, 0.7, 0.3), # Teal
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fancy.CRGB(0.0, 0.5, 0.5), # Cyan
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fancy.CRGB(0.0, 0.3, 0.7), # Blue
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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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fancy.CRGB(0.7, 0.0, 0.3)] # Purple
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# Reading Lamp mode - Warm Yellow
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PALETTE_BRIGHT = [fancy.CRGB(255, 183, 55)]
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# Black Only palette for "off" mode
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PALETTE_DARK = [fancy.CRGB(0, 0, 0)]
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# Declare a FIRE palette
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PALETTE_FIRE = [fancy.CRGB(160, 30, 0), # Reds and Yellows
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fancy.CRGB(27, 65, 0),
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fancy.CRGB(0, 0, 0),
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fancy.CRGB(224, 122, 0),
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fancy.CRGB(0, 0, 0),
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fancy.CRGB(250, 80, 0),
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fancy.CRGB(0, 0, 0),
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fancy.CRGB(0, 0, 0),
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fancy.CRGB(200, 40, 0)]
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# Declare a NeoPixel object on NEOPIXEL_PIN with NUM_LEDS pixels,
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# no auto-write.
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# Set brightness to max because we'll be using FancyLED's brightness control.
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ring = neopixel.NeoPixel(RING_PIN, NUM_LEDS, brightness=1.0, auto_write=False)
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cpx = neopixel.NeoPixel(CPX_PIN, NUM_LEDS, brightness=1.0, auto_write=False)
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offset = 0 # Positional offset into color palette to get it to 'spin'
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offset_increment = 6
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OFFSET_MAX = 1000000
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uart_server = UARTServer()
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def set_palette(palette):
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for i in range(NUM_LEDS):
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# Load each pixel's color from the palette using an offset, run it
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# through the gamma function, pack RGB value and assign to pixel.
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color = fancy.palette_lookup(palette, (offset + i) / NUM_LEDS)
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color = fancy.gamma_adjust(color, brightness=1.0)
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ring[i] = color.pack()
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ring.show()
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for i in range(NUM_LEDS):
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# Load each pixel's color from the palette using an offset, run it
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# through the gamma function, pack RGB value and assign to pixel.
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color = fancy.palette_lookup(palette, (offset + i) / NUM_LEDS)
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color = fancy.gamma_adjust(color, brightness=1.0)
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cpx[i] = color.pack()
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cpx.show()
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# set initial palette to run on startup
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palette_choice = PALETTE_FIRE
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# True if cycling a palette
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cycling = True
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# Are we already advertising?
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advertising = False
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while True:
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if cycling:
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set_palette(palette_choice)
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offset = (offset + offset_increment) % OFFSET_MAX
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if not uart_server.connected and not advertising:
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uart_server.start_advertising()
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advertising = True
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# Are we connected via Bluetooth now?
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if uart_server.connected:
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# Once we're connected, we're not advertising any more.
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advertising = False
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# Have we started to receive a packet?
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if uart_server.in_waiting:
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packet = Packet.from_stream(uart_server)
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if isinstance(packet, ColorPacket):
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cycling = False
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# Set all the pixels to one color and stay there.
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ring.fill(packet.color)
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cpx.fill(packet.color)
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ring.show()
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cpx.show()
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elif isinstance(packet, ButtonPacket):
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cycling = True
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if packet.pressed:
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if packet.button == ButtonPacket.BUTTON_1:
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palette_choice = PALETTE_DARK
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elif packet.button == ButtonPacket.BUTTON_2:
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palette_choice = PALETTE_BRIGHT
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elif packet.button == ButtonPacket.BUTTON_3:
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palette_choice = PALETTE_FIRE
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offset_increment = 6
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elif packet.button == ButtonPacket.BUTTON_4:
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palette_choice = PALETTE_RAINBOW
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offset_increment = 1
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# change the speed of the animation by incrementing offset
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elif packet.button == ButtonPacket.UP:
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offset_increment += 1
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elif packet.button == ButtonPacket.DOWN:
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offset_increment -= 1
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# Whether or not we're connected via Bluetooth,
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# we also want to handle touch inputs.
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if touch_A2.value:
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cycling = True
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palette_choice = PALETTE_DARK
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elif touch_A3.value:
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cycling = True
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palette_choice = PALETTE_BRIGHT
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elif touch_A4.value:
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cycling = True
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palette_choice = PALETTE_FIRE
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offset_increment = 6
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elif touch_A5.value:
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cycling = True
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palette_choice = PALETTE_RAINBOW
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offset_increment = 1
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# Also check for touch speed control
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# if touch_A6.value:
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# offset_increment += 1
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# if touch_TX.value:
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# offset_increment -= 1

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