Adding code and audio files for lightsaber

Adding code and folder of audio files for the Feather RP2040 Prop-Maker lightsaber

Feather_RP2040_Prop-Maker_Lightsaber/code.py

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+# SPDX-FileCopyrightText: 2023 Liz Clark for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+import time
+import os
+import random
+import board
+import pwmio
+import audiocore
+import audiobusio
+from adafruit_debouncer import Button
+from digitalio import DigitalInOut, Direction, Pull
+import neopixel
+import adafruit_lis3dh
+import simpleio
+
+# CUSTOMIZE SENSITIVITY HERE: smaller numbers = more sensitive to motion
+HIT_THRESHOLD = 120
+SWING_THRESHOLD = 130
+RED = (255, 0, 0)
+YELLOW = (125, 255, 0)
+GREEN = (0, 255, 0)
+CYAN = (0, 125, 255)
+BLUE = (0, 0, 255)
+PURPLE = (125, 0, 255)
+WHITE = (255, 255, 255)
+COLORS = [RED, YELLOW, GREEN, CYAN, BLUE, PURPLE, WHITE]
+SABER_COLOR = 3
+CLASH_COLOR = 6
+
+# enable external power pin
+# provides power to the external components
+external_power = DigitalInOut(board.EXTERNAL_POWER)
+external_power.direction = Direction.OUTPUT
+external_power.value = True
+
+wavs = []
+for filename in os.listdir('/sounds'):
+    if filename.lower().endswith('.wav') and not filename.startswith('.'):
+        wavs.append("/sounds/"+filename)
+wavs.sort()
+print(wavs)
+print(len(wavs))
+
+audio = audiobusio.I2SOut(board.I2S_BIT_CLOCK, board.I2S_WORD_SELECT, board.I2S_DATA)
+
+def play_wav(num, loop=False):
+    """
+    Play a WAV file in the 'sounds' directory.
+    :param name: partial file name string, complete name will be built around
+                 this, e.g. passing 'foo' will play file 'sounds/foo.wav'.
+    :param loop: if True, sound will repeat indefinitely (until interrupted
+                 by another sound).
+    """
+    try:
+        n = wavs[num]
+        wave_file = open(n, "rb")
+        wave = audiocore.WaveFile(wave_file)
+        audio.play(wave, loop=loop)
+    except:  # pylint: disable=bare-except
+        return
+
+# external button
+pin = DigitalInOut(board.EXTERNAL_BUTTON)
+pin.direction = Direction.INPUT
+pin.pull = Pull.UP
+switch = Button(pin, long_duration_ms = 1000)
+switch_state = False
+
+# external neopixels
+num_pixels = 100
+pixels = neopixel.NeoPixel(board.EXTERNAL_NEOPIXELS, num_pixels, auto_write=True)
+pixels.brightness = 0.8
+
+# onboard LIS3DH
+i2c = board.I2C()
+int1 = DigitalInOut(board.ACCELEROMETER_INTERRUPT)
+lis3dh = adafruit_lis3dh.LIS3DH_I2C(i2c, int1=int1)
+lis3dh.range = adafruit_lis3dh.RANGE_2_G
+lis3dh.set_tap(1, HIT_THRESHOLD)
+
+red_led = pwmio.PWMOut(board.D10)
+green_led = pwmio.PWMOut(board.D11)
+blue_led = pwmio.PWMOut(board.D12)
+
+def set_rgb_led(color):
+    # convert from 0-255 (neopixel range) to 65535-0 (pwm range)
+    red_led.duty_cycle = int(simpleio.map_range(color[0], 0, 255, 65535, 0))
+    green_led.duty_cycle = int(simpleio.map_range(color[1], 0, 255, 65535, 0))
+    blue_led.duty_cycle = int(simpleio.map_range(color[2], 0, 255, 65535, 0))
+
+set_rgb_led(COLORS[SABER_COLOR])
+
+mode = 0
+swing = False
+hit = False
+
+while True:
+    switch.update()
+    # startup
+    if mode == 0:
+        print(mode)
+        play_wav(0, loop=False)
+        for i in range(num_pixels):
+            pixels[i] = COLORS[SABER_COLOR]
+            pixels.show()
+        time.sleep(1)
+        play_wav(1, loop=True)
+        mode = 1
+    # default
+    elif mode == 1:
+        x, y, z = lis3dh.acceleration
+        accel_total = x * x + z * z
+        if lis3dh.tapped:
+            print("tapped")
+            mode = "hit"
+        elif accel_total >= SWING_THRESHOLD:
+            print("swing")
+            mode = "swing"
+        if switch.short_count == 1:
+            mode = 3
+        if switch.long_press:
+            audio.stop()
+            play_wav(19, loop=True)
+            print("change color")
+            mode = 5
+    # clash or move
+    elif mode == "hit":
+        audio.stop()
+        play_wav(random.randint(3, 10), loop=False)
+        while audio.playing:
+            pixels.fill(WHITE)
+            pixels.show()
+        pixels.fill(COLORS[SABER_COLOR])
+        pixels.show()
+        play_wav(1, loop=True)
+        mode = 1
+    elif mode == "swing":
+        audio.stop()
+        play_wav(random.randint(11, 18), loop=False)
+        while audio.playing:
+            pixels.fill(COLORS[SABER_COLOR])
+            pixels.show()
+        pixels.fill(COLORS[SABER_COLOR])
+        pixels.show()
+        play_wav(1, loop=True)
+        mode = 1
+    # turn off
+    elif mode == 3:
+        audio.stop()
+        play_wav(2, loop=False)
+        for i in range(99, 0, -1):
+            pixels[i] = (0, 0, 0)
+            pixels.show()
+        time.sleep(1)
+        external_power.value = False
+        mode = 4
+    # go to startup from off
+    elif mode == 4:
+        if switch.short_count == 1:
+            external_power.value = True
+            mode = 0
+    # change color
+    elif mode == 5:
+        if switch.short_count == 1:
+            SABER_COLOR = (SABER_COLOR + 1) % 6
+            pixels.fill(COLORS[SABER_COLOR])
+            pixels.show()
+            set_rgb_led(COLORS[SABER_COLOR])
+        if switch.long_press:
+            play_wav(1, loop=True)
+            pixels.fill(COLORS[SABER_COLOR])
+            pixels.show()
+            set_rgb_led(COLORS[SABER_COLOR])
+            mode = 1