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July 30, 2024 23:54
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audiomixer-drum-macahine.py
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| # audiomixer-drum-machine.py | |
| import board, time, digitalio, touchio | |
| import audiomixer, audiocore | |
| try: | |
| from audioio import AudioOut | |
| except ImportError: | |
| try: | |
| from audiopwmio import PWMAudioOut as AudioOut | |
| except ImportError: | |
| print("This board does not support audio") | |
| from adafruit_led_animation.color import RED, YELLOW, ORANGE, GREEN, TEAL, CYAN, \ | |
| BLUE, PURPLE, MAGENTA, GOLD, PINK, AQUA, JADE, AMBER, OLD_LACE, WHITE, BLACK | |
| # Speaker setup for the CircuitPlayground boards (not for Pico) | |
| speaker = digitalio.DigitalInOut(board.SPEAKER_ENABLE) | |
| speaker.direction = digitalio.Direction.OUTPUT | |
| speaker.value = True | |
| # use speaker location to create an AudioOut object named audio | |
| audio = AudioOut(board.SPEAKER) # use board.GP# for pin number for audio out on a Pico | |
| # set path where audio files can be found on device | |
| path = "drumSounds/" | |
| drumsamples = ["bass_hit_c.wav", "bd_tek.wav", "bd_zome.wav", "drum_cowbell.wav", \ | |
| "elec_cymbal.wav", "elec_hi_snare.wav", "scratch.wav", "splat.wav"] | |
| # create Mixer and attach to audio playback | |
| mixer = audiomixer.Mixer(voice_count=1, sample_rate=22050, channel_count=1, bits_per_sample=16, samples_signed=True) | |
| audio.play(mixer) | |
| # setup touchpads | |
| pads = [board.A1, board.A2, board.A3, board.A4, board.A5, board.A6, board.TX] | |
| # create an empty list of touchpads | |
| touchpads = [] | |
| # loop through all pads | |
| for pad in pads: | |
| touchpads.append(touchio.TouchIn(pad)) | |
| def play_voice(filename): | |
| wave = audiocore.WaveFile(open(path+filename,"rb")) | |
| mixer.voice[0].play(wave) | |
| # mixer.voice[0].level = 1.0 | |
| while mixer.voice[0].playing: | |
| pass | |
| while True: | |
| while True: | |
| for i in range(len(touchpads)): | |
| if touchpads[i].value: # if this pad was touched | |
| play_voice(drumsamples[i]) |
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