first commit Ouija Bluefruit code and wav files

Author: jedgarpark

Ouija_Board_Bluefruit/code.py

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+# SPDX-FileCopyrightText: 2022 John Park for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
+# BLE Ouija Board
+
+import time
+import random
+import board
+import digitalio
+import neopixel
+from adafruit_motorkit import MotorKit
+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.button_packet import ButtonPacket
+import audiocore
+import audiomixer
+import audiobusio
+
+# Prep the status LEDs on the Feather
+blue_led = digitalio.DigitalInOut(board.BLUE_LED)
+red_led = digitalio.DigitalInOut(board.RED_LED)
+blue_led.direction = digitalio.Direction.OUTPUT
+red_led.direction = digitalio.Direction.OUTPUT
+
+ble = BLERadio()
+uart_service = UARTService()
+advertisement = ProvideServicesAdvertisement(uart_service)
+
+num_motors = 1  # up to 4 motors depending on the prop you are driving
+
+motorwing = MotorKit(i2c=board.I2C())
+motorwing.frequency = 122  # tune this 50 - 200 range
+max_throttle = 0.65  # tune this 0.2 - 1 range
+
+# # make arrays for all the things we care about
+motors = [None] * num_motors
+
+motors[0] = motorwing.motor1
+
+# # set motors to "off"
+for i in range(num_motors):
+    motors[i].throttle = None
+
+# - Audio setup
+audio = audiobusio.I2SOut(bit_clock=board.TX, word_select=board.MISO, data=board.RX)
+mixer = audiomixer.Mixer(voice_count=2, sample_rate=11025, channel_count=1,
+                         bits_per_sample=16, samples_signed=True)
+audio.play(mixer)  # attach mixer to audio playback
+wav_files = (('spooky_ouija.wav', 0.07, True), ('lars_ouija.wav', 0.09, False))
+# open samples
+for i in range(len(wav_files)):
+    wave = audiocore.WaveFile(open(wav_files[i][0], "rb"))
+    mixer.voice[i].level = 0  # start up with level down
+    mixer.voice[i].play(wave, loop=wav_files[i][2])
+
+# - NeoPixels
+fire_color = 0xcc6600
+fade_by = -1
+num_leds = 7
+max_bright = 0.5
+led_pin = board.D6
+leds = neopixel.NeoPixel(led_pin, num_leds, brightness=0.0, auto_write=False)
+leds.fill(fire_color)
+leds.show()
+
+last_time = 0
+next_duration = 0.2
+
+print("BLE Ouija board")
+print("Use Adafruit Bluefruit app to connect")
+
+
+while True:
+    blue_led.value = False
+    ble.name = 'Ouija'
+    ble.start_advertising(advertisement)
+
+    while not ble.connected:
+        # Wait for a connection.
+        pass
+    blue_led.value = True  # turn on blue LED when connected
+    while ble.connected:
+        if uart_service.in_waiting:
+            # Packet is arriving.
+            red_led.value = False  # turn off red LED
+            packet = Packet.from_stream(uart_service)
+            if isinstance(packet, ButtonPacket) and packet.pressed:
+                red_led.value = True  # blink to show a packet has been received
+                if packet.button == ButtonPacket.RIGHT:  # > button pressed
+                    print("forward")
+                    motors[0].throttle = max_throttle
+                    time.sleep(0.1)  # wait a moment
+
+                elif packet.button == ButtonPacket.LEFT:  # < button
+                    print("reverse")
+                    motors[0].throttle = max_throttle * -1
+                    time.sleep(0.1)
+
+                elif packet.button == ButtonPacket.DOWN:  # v button
+                    print("stop")
+                    motors[0].throttle = None
+                    time.sleep(0.1)
+
+                elif packet.button == ButtonPacket.BUTTON_1:  # 1 button
+                    print("on BG music")
+                    mixer.voice[0].level = wav_files[0][1]
+                    time.sleep(0.1)
+
+                elif packet.button == ButtonPacket.BUTTON_3:  # 3 button
+                    print("off BG music")
+                    mixer.voice[0].level = 0.0
+                    time.sleep(0.1)
+
+                elif packet.button == ButtonPacket.BUTTON_2:  # 2 button
+                    print("on led & Lars")
+                    leds.brightness = max_bright
+                    mixer.voice[1].play(wave, loop=False)
+                    mixer.voice[1].level = wav_files[1][1]
+                    time.sleep(0.1)
+
+                elif packet.button == ButtonPacket.BUTTON_4:  # 4 button
+                    print("off led & Lars")
+                    leds.brightness = 0
+                    mixer.voice[1].level = 0.0
+                    time.sleep(0.1)
+
+        # fade down all LEDs
+        leds[:] = [[min(max(i+fade_by, 0), 255) for i in l] for l in leds]
+        leds.show()
+
+        # add new fire to leds
+        if time.monotonic() - last_time > next_duration:
+            last_time = time.monotonic()
+            next_duration = random.uniform(0.95, 1.95)  # tune these nums
+            # for i in range( 1):
+            c = fire_color  # get our color
+            c = (c >> 16 & 0xff, c >> 8 & 0xff, c & 0xff)  # make it a tuple
+            leds[random.randint(0, num_leds-1)] = c