Merge pull request #998 from adafruit/infinity_mirror

code for Infinity Mirror Coaster

Author: ladyada

ItsyBitsy_Infinity_Mirror/code.py

@@ -0,0 +1,86 @@
+"""
+NeoPixel Animator code for ItsyBitsy nRF52840 NeoPixel Animation and Color Remote Control.
+"""
+
+import board
+import neopixel
+from adafruit_led_animation.animation import Comet, Sparkle, AnimationGroup,\
+    AnimationSequence
+import adafruit_led_animation.color as color
+
+from adafruit_ble import BLERadio
+from adafruit_ble.advertising.standard import ProvideServicesAdvertisement
+from adafruit_ble.services.nordic import UARTService
+
+from adafruit_bluefruit_connect.packet import Packet
+from adafruit_bluefruit_connect.color_packet import ColorPacket
+from adafruit_bluefruit_connect.button_packet import ButtonPacket
+
+# The number of NeoPixels in the externally attached strip
+# If using two strips connected to the same pin, count only one strip for this number!
+STRIP_PIXEL_NUMBER = 43
+
+# Setup for comet animation
+COMET_SPEED = 0.05  # Lower numbers increase the animation speed
+STRIP_COMET_TAIL_LENGTH = 10  # The length of the comet on the NeoPixel strip
+STRIP_COMET_BOUNCE = False  # Set to False to stop comet from "bouncing" on NeoPixel strip
+
+# Setup for sparkle animation
+SPARKLE_SPEED = 0.1  # Lower numbers increase the animation speed
+
+# Create the NeoPixel strip
+strip_pixels = neopixel.NeoPixel(board.D5, STRIP_PIXEL_NUMBER, auto_write=False)
+
+# Setup BLE connection
+ble = BLERadio()
+uart = UARTService()
+advertisement = ProvideServicesAdvertisement(uart)
+
+# Setup animations
+animations = AnimationSequence(
+    AnimationGroup(
+        Comet(strip_pixels, COMET_SPEED, color.TEAL, tail_length=STRIP_COMET_TAIL_LENGTH,
+              bounce=STRIP_COMET_BOUNCE)
+    ),
+    AnimationGroup(
+        Sparkle(strip_pixels, SPARKLE_SPEED, color.TEAL)
+    ),
+)
+
+animation_color = None
+mode = 0
+blanked = False
+
+while True:
+    ble.start_advertising(advertisement)  # Start advertising.
+    was_connected = False
+    while not was_connected or ble.connected:
+        if not blanked:  # If LED-off signal is not being sent...
+            animations.animate()  # Run the animations.
+        if ble.connected:  # If BLE is connected...
+            was_connected = True
+            if uart.in_waiting:  # Check to see if any data is available from the Remote Control.
+                try:
+                    packet = Packet.from_stream(uart)  # Create the packet object.
+                except ValueError:
+                    continue
+                if isinstance(packet, ColorPacket):  # If the packet is color packet...
+                    if mode == 0:  # And mode is 0...
+                        animations.color = packet.color  # Update the animation to the color.
+                        print("Color:", packet.color)
+                        animation_color = packet.color  # Keep track of the current color...
+                    elif mode == 1:  # Because if mode is 1...
+                        animations.color = animation_color  # Freeze the animation color.
+                        print("Color:", animation_color)
+                elif isinstance(packet, ButtonPacket):  # If the packet is a button packet...
+                    if packet.pressed:  # If the buttons on the Remote Control are pressed...
+                        if packet.button == ButtonPacket.LEFT:  # If button A is pressed...
+                            print("A pressed: animation mode changed.")
+                            animations.next()  # Change to the next animation.
+                        elif packet.button == ButtonPacket.RIGHT:  # If button B is pressed...
+                            mode += 1  # Increase the mode by 1.
+                            if mode == 1:  # If mode is 1, print the following:
+                                print("B pressed: color frozen!")
+                            if mode > 1:  # If mode is > 1...
+                                mode = 0  # Set mode to 0, and print the following:
+                                print("B pressed: color changing!")