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Author: TheKitty

Crickits/CircusPython_BLE/code.py

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+# SPDX-FileCopyrightText: 2019 Dan Halbert for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+# CircusPython!
+# For use with the Adafruit BlueFruit LE Connect app.
+# Works with CircuitPython 5.0.0-beta.0 and later running on an nRF52840 board.
+
+import random
+import time
+
+from adafruit_crickit import crickit
+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
+# Only the packet classes that are imported will be known to Packet.
+from adafruit_bluefruit_connect.color_packet import ColorPacket
+from adafruit_bluefruit_connect.button_packet import ButtonPacket
+
+# Initialize the NeoPixel ring to a fire color, not too bright.
+crickit.init_neopixel(24, brightness=0.1)
+color = (25, 12, 0)
+
+# Creates a sparkly "fire"-like effect.
+def sparkle():
+    crickit.neopixel[random.randrange(24)] = (0, 0, 0)
+    crickit.neopixel[random.randrange(24)] = color
+    crickit.neopixel[random.randrange(24)] = color
+    crickit.neopixel[random.randrange(24)] = color
+
+ble = BLERadio()
+uart_service = UARTService()
+advertisement = ProvideServicesAdvertisement(uart_service)
+
+# Increase this to slow down movement of the servo arm.
+DELAY = 0.0
+
+# Angle for Blinka before jumping through the ring.
+UP_ANGLE = 50
+
+# Go to this angle when jumping through the ring. Adjust
+# slightly as necessary so you don't bump into the ring.
+DOWN_ANGLE = 2
+
+crickit.servo_1.angle = UP_ANGLE
+angle = UP_ANGLE
+
+while True:
+    ble.start_advertising(advertisement)
+    while not ble.connected:
+        sparkle()
+    while ble.connected:
+        sparkle()
+        if uart_service.in_waiting:
+            packet = Packet.from_stream(uart_service)
+            if isinstance(packet, ColorPacket):
+                # Change the fire color.
+                color = packet.color
+            elif isinstance(packet, ButtonPacket):
+                if packet.pressed:
+                    if packet.button == '5' and angle != UP_ANGLE:
+                        # The Up button was pressed.
+                        for a in range(angle, UP_ANGLE+1, 1):
+                            crickit.servo_1.angle = a
+                            # Sparkle while moving.
+                            sparkle()
+                            time.sleep(DELAY)
+                        angle = UP_ANGLE
+                    elif packet.button == '6' and angle != DOWN_ANGLE:
+                        # The Down button was pressed.
+                        for a in range(angle, DOWN_ANGLE-1, -1):
+                            crickit.servo_1.angle = a
+                            # Sparkle while moving.
+                            sparkle()
+                            time.sleep(DELAY)
+                        angle = DOWN_ANGLE