59 lines
1.7 KiB
Python
59 lines
1.7 KiB
Python
# SPDX-FileCopyrightText: 2023 Liz Clark for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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import time
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import board
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import audiocore
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import audiobusio
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import audiomixer
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import pwmio
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from digitalio import DigitalInOut, Direction
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from adafruit_ticks import ticks_ms, ticks_add, ticks_diff
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from adafruit_motor import servo
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import adafruit_lis3dh
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time.sleep(2)
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# enable external power pin
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# provides power to the external components
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external_power = DigitalInOut(board.EXTERNAL_POWER)
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external_power.direction = Direction.OUTPUT
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external_power.value = True
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# i2s playback
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wave_file = open("dune_thumper_sfx.wav", "rb")
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wave = audiocore.WaveFile(wave_file)
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audio = audiobusio.I2SOut(board.I2S_BIT_CLOCK, board.I2S_WORD_SELECT, board.I2S_DATA)
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mixer = audiomixer.Mixer(voice_count=1, sample_rate=22050, channel_count=1,
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bits_per_sample=16, samples_signed=True)
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audio.play(mixer)
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mixer.voice[0].play(wave, loop=True)
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mixer.voice[0].level = 0
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# servo control
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pwm = pwmio.PWMOut(board.EXTERNAL_SERVO, frequency=10)
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prop_servo = servo.ContinuousServo(pwm)
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servo_move = False
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i2c = board.I2C()
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int1 = DigitalInOut(board.ACCELEROMETER_INTERRUPT)
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lis3dh = adafruit_lis3dh.LIS3DH_I2C(i2c, int1=int1)
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lis3dh.range = adafruit_lis3dh.RANGE_2_G
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clock = ticks_ms()
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prop_time = 4000
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while True:
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if not servo_move:
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mixer.voice[0].level = 0.0
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prop_servo.throttle = 0.0
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else:
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prop_servo.throttle = 0.5
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mixer.voice[0].level = 0.5
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if ticks_diff(ticks_ms(), clock) >= prop_time:
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servo_move = False
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if lis3dh.shake(shake_threshold=20):
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servo_move = True
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clock = ticks_ms()
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clock = ticks_add(clock, prop_time)
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