34 lines
1,023 B
Python
34 lines
1,023 B
Python
# SPDX-FileCopyrightText: 2023 Tim Cocks
|
|
#
|
|
# SPDX-License-Identifier: MIT
|
|
|
|
"""Volume Animation Example"""
|
|
import board
|
|
from audiomp3 import MP3Decoder
|
|
import neopixel
|
|
from adafruit_led_animation.animation import volume
|
|
|
|
try:
|
|
from audioio import AudioOut
|
|
except ImportError:
|
|
try:
|
|
from audiopwmio import PWMAudioOut as AudioOut
|
|
except ImportError:
|
|
pass # not always supported by every board!
|
|
|
|
# Fill in your own MP3 file or use the one from the learn guide:
|
|
# https://learn.adafruit.com/circuitpython-essentials/circuitpython-mp3-audio#installing-project-code-3067700
|
|
mp3file = "happy.mp3"
|
|
with open(mp3file, "rb") as mp3:
|
|
decoder = MP3Decoder(mp3)
|
|
audio = AudioOut(board.SPEAKER)
|
|
|
|
strip_pixels = neopixel.NeoPixel(board.D4, 30, brightness=0.1, auto_write=False)
|
|
volume_anim = volume.Volume(strip_pixels, 0.3, (0, 255, 0), decoder, 400)
|
|
|
|
while True:
|
|
audio.play(decoder)
|
|
print("playing", mp3file)
|
|
|
|
while audio.playing:
|
|
volume_anim.animate()
|