kopia lustrzana https://github.com/pimoroni/pimoroni-pico
348 wiersze
16 KiB
Python
348 wiersze
16 KiB
Python
import gc
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import time
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import math
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from machine import Timer
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from cosmic import CosmicUnicorn, Channel
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from picographics import PicoGraphics, DISPLAY_COSMIC_UNICORN as DISPLAY
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'''
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Displays some text, gradients and colours and demonstrates button use.
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Also demonstrates some of the audio / synth features.
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- Button A plays a synth tune
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- Button B plays a solo channel of the synth tune
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- Button C plays a sinewave (it's frequency can be adjusted with VOL + and -)
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- Button D plays a second sinewave (it's frequency can be adjusted with LUX + and -)
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- Sleep button stops the sounds
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'''
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gc.collect()
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cu = CosmicUnicorn()
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graphics = PicoGraphics(DISPLAY)
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width = CosmicUnicorn.WIDTH
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height = CosmicUnicorn.HEIGHT
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SONG_LENGTH = 384
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HAT = 20000
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BASS = 500
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SNARE = 6000
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SUB = 50
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melody_notes = (
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147, 0, 0, 0, 0, 0, 0, 0, 175, 0, 196, 0, 220, 0, 262, 0, 247, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 175, 0, 0, 0, 0, 0, 0, 0, 175, 0, 196, 0, 220, 0, 262, 0, 330, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 349, 0, 0, 0, 0, 0, 0, 0, 349, 0, 330, 0, 294, 0, 220, 0, 262, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 247, 0, 0, 0, 0, 0, 0, 0, 247, 0, 220, 0, 196, 0, 147, 0, 175, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0,
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147, 0, 0, 0, 0, 0, 0, 0, 175, 0, 196, 0, 220, 0, 262, 0, 247, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 175, 0, 0, 0, 0, 0, 0, 0, 175, 0, 196, 0, 220, 0, 262, 0, 330, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 349, 0, 0, 0, 0, 0, 0, 0, 349, 0, 330, 0, 294, 0, 220, 0, 262, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 247, 0, 0, 0, 0, 0, 0, 0, 247, 0, 220, 0, 196, 0, 147, 0, 175, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0,
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147, 0, 0, 0, 0, 0, 0, 0, 175, 0, 196, 0, 220, 0, 262, 0, 247, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 175, 0, 0, 0, 0, 0, 0, 0, 175, 0, 196, 0, 220, 0, 262, 0, 330, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 349, 0, 0, 0, 0, 0, 0, 0, 349, 0, 330, 0, 294, 0, 220, 0, 262, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, 0, 247, 0, 0, 0, 0, 0, 0, 0, 247, 0, 262, 0, 294, 0, 392, 0, 440, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
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rhythm_notes = (
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294, 0, 440, 0, 587, 0, 440, 0, 294, 0, 440, 0, 587, 0, 440, 0, 294, 0, 440, 0, 587, 0, 440, 0, 294, 0, 440, 0, 587, 0, 440, 0, 294, 0, 440, 0, 587, 0, 440, 0, 294, 0, 440, 0, 587, 0, 440, 0, 392, 0, 523, 0, 659, 0, 523, 0, 392, 0, 523, 0, 659, 0, 523, 0, 698, 0, 587, 0, 440, 0, 587, 0, 698, 0, 587, 0, 440, 0, 587, 0, 523, 0, 440, 0, 330, 0, 440, 0, 523, 0, 440, 0, 330, 0, 440, 0, 349, 0, 294, 0, 220, 0, 294, 0, 349, 0, 294, 0, 220, 0, 294, 0, 262, 0, 247, 0, 220, 0, 175, 0, 165, 0, 147, 0, 131, 0, 98, 0,
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294, 0, 440, 0, 587, 0, 440, 0, 294, 0, 440, 0, 587, 0, 440, 0, 294, 0, 440, 0, 587, 0, 440, 0, 294, 0, 440, 0, 587, 0, 440, 0, 294, 0, 440, 0, 587, 0, 440, 0, 294, 0, 440, 0, 587, 0, 440, 0, 392, 0, 523, 0, 659, 0, 523, 0, 392, 0, 523, 0, 659, 0, 523, 0, 698, 0, 587, 0, 440, 0, 587, 0, 698, 0, 587, 0, 440, 0, 587, 0, 523, 0, 440, 0, 330, 0, 440, 0, 523, 0, 440, 0, 330, 0, 440, 0, 349, 0, 294, 0, 220, 0, 294, 0, 349, 0, 294, 0, 220, 0, 294, 0, 262, 0, 247, 0, 220, 0, 175, 0, 165, 0, 147, 0, 131, 0, 98, 0,
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294, 0, 440, 0, 587, 0, 440, 0, 294, 0, 440, 0, 587, 0, 440, 0, 294, 0, 440, 0, 587, 0, 440, 0, 294, 0, 440, 0, 587, 0, 440, 0, 294, 0, 440, 0, 587, 0, 440, 0, 294, 0, 440, 0, 587, 0, 440, 0, 392, 0, 523, 0, 659, 0, 523, 0, 392, 0, 523, 0, 659, 0, 523, 0, 698, 0, 587, 0, 440, 0, 587, 0, 698, 0, 587, 0, 440, 0, 587, 0, 523, 0, 440, 0, 330, 0, 440, 0, 523, 0, 440, 0, 330, 0, 440, 0, 349, 0, 294, 0, 220, 0, 294, 0, 349, 0, 294, 0, 220, 0, 294, 0, 262, 0, 247, 0, 220, 0, 175, 0, 165, 0, 147, 0, 131, 0, 98, 0)
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drum_beats = (
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BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, BASS, -1, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, 0, 0, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, BASS, -1, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, 0, 0, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, BASS, -1, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, 0, 0, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, BASS, -1, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, 0, 0,
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BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, BASS, -1, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, 0, 0, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, BASS, -1, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, 0, 0, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, BASS, -1, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, 0, 0, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, BASS, -1, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, 0, 0,
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BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, BASS, -1, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, 0, 0, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, BASS, -1, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, 0, 0, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, BASS, -1, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, 0, 0, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, BASS, -1, BASS, -1, 0, 0, 0, 0, 0, 0, SNARE, 0, -1, 0, 0, 0, 0, 0)
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hi_hat = (
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HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1,
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HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1,
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HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1, HAT, -1)
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bass_notes = (
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SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, SUB, -1, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, SUB, -1, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, SUB, -1, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, SUB, -1, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0,
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SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, SUB, -1, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, SUB, -1, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, SUB, -1, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, SUB, -1, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0,
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SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, SUB, -1, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, SUB, -1, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, SUB, -1, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, SUB, -1, SUB, -1, 0, 0, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0)
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notes = [melody_notes, rhythm_notes, drum_beats, hi_hat, bass_notes]
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channels = [cu.synth_channel(i) for i in range(len(notes) + 1)] # Extra channel for tones
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# Configure the synth to play our notes
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channels[0].configure(waveforms=Channel.TRIANGLE + Channel.SQUARE,
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attack=0.016,
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decay=0.168,
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sustain=0xafff / 65535,
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release=0.168,
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volume=10000 / 65535)
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channels[1].configure(waveforms=Channel.SINE + Channel.SQUARE,
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attack=0.038,
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decay=0.300,
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sustain=0,
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release=0,
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volume=12000 / 65535)
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channels[2].configure(waveforms=Channel.NOISE,
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attack=0.005,
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decay=0.010,
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sustain=16000 / 65535,
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release=0.100,
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volume=18000 / 65535)
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channels[3].configure(waveforms=Channel.NOISE,
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attack=0.005,
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decay=0.005,
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sustain=8000 / 65535,
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release=0.040,
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volume=8000 / 65535)
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channels[4].configure(waveforms=Channel.SQUARE,
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attack=0.010,
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decay=0.100,
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sustain=0,
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release=0.500,
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volume=12000 / 65535)
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def gradient(r, g, b):
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for y in range(0, height):
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for x in range(0, width):
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graphics.set_pen(graphics.create_pen(int((r * x) / 52), int((g * x) / 52), int((b * x) / 52)))
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graphics.pixel(x, y)
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def grid(r, g, b):
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for y in range(0, height):
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for x in range(0, width):
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if (x + y) % 2 == 0:
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graphics.set_pen(graphics.create_pen(r, g, b))
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else:
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graphics.set_pen(0)
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graphics.pixel(x, y)
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def outline_text(text):
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ms = time.ticks_ms()
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graphics.set_font("bitmap8")
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v = int((math.sin(ms / 100.0) + 1.0) * 127.0)
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w = graphics.measure_text(text, 1)
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x = int(32 / 2 - w / 2 + 1)
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y = 12
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graphics.set_pen(0)
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graphics.text(text, x - 1, y - 1, -1, 1)
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graphics.text(text, x, y - 1, -1, 1)
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graphics.text(text, x + 1, y - 1, -1, 1)
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graphics.text(text, x - 1, y, -1, 1)
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graphics.text(text, x + 1, y, -1, 1)
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graphics.text(text, x - 1, y + 1, -1, 1)
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graphics.text(text, x, y + 1, -1, 1)
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graphics.text(text, x + 1, y + 1, -1, 1)
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graphics.set_pen(graphics.create_pen(v, v, v))
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graphics.text(text, x, y, -1, 1)
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cu.set_brightness(0.5)
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# Vars for storing button state
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was_a_pressed = False
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was_b_pressed = False
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was_c_pressed = False
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was_d_pressed = False
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was_z_pressed = False
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# The two frequencies to play
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tone_a = 0
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tone_b = 0
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# The current synth beat
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beat = 0
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text = ""
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def next_beat():
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global beat
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for i in range(5):
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if notes[i][beat] > 0:
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channels[i].frequency(notes[i][beat])
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channels[i].trigger_attack()
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elif notes[i][beat] == -1:
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channels[i].trigger_release()
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beat = (beat + 1) % SONG_LENGTH
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def tick(timer):
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next_beat()
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timer = Timer(-1)
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synthing = False
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while True:
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time_ms = time.ticks_ms()
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test = (time_ms // 1000) % 5
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if cu.is_pressed(CosmicUnicorn.SWITCH_A):
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if not was_a_pressed:
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channels[0].volume(10000 / 65535)
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channels[1].volume(12000 / 65535)
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channels[2].volume(18000 / 65535)
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channels[3].volume(8000 / 65535)
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channels[4].volume(12000 / 65535)
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channels[5].volume(0)
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# If the synth is not already playing, init the first beat
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if not synthing:
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beat = 0
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next_beat()
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cu.play_synth()
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synthing = True
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timer.init(freq=10, mode=Timer.PERIODIC, callback=tick)
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was_a_pressed = True
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else:
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was_a_pressed = False
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if cu.is_pressed(CosmicUnicorn.SWITCH_B):
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if not was_b_pressed:
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channels[0].volume(0)
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channels[1].volume(12000 / 65535)
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channels[2].volume(0)
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channels[3].volume(0)
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channels[4].volume(0)
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channels[5].volume(0)
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# If the synth is not already playing, init the first beat
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if not synthing:
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beat = 0
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next_beat()
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cu.play_synth()
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synthing = True
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timer.init(freq=10, mode=Timer.PERIODIC, callback=tick)
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was_b_pressed = True
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else:
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was_b_pressed = False
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if cu.is_pressed(CosmicUnicorn.SWITCH_C):
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if not was_c_pressed:
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# Stop synth (if running) and play Tone A
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timer.deinit()
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tone_a = 400
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channels[5].play_tone(tone_a, 0.06)
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channels[5].volume(12000 / 65535)
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cu.play_synth()
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synthing = False
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was_c_pressed = True
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else:
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was_c_pressed = False
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if cu.is_pressed(CosmicUnicorn.SWITCH_D):
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if not was_d_pressed:
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# Stop synth (if running) and play Tone B
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timer.deinit()
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tone_b = 600
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channels[5].play_tone(tone_b, 0.06, attack=0.5)
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channels[5].volume(12000 / 65535)
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cu.play_synth()
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synthing = False
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was_d_pressed = True
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else:
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was_d_pressed = False
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if cu.is_pressed(CosmicUnicorn.SWITCH_BRIGHTNESS_UP):
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if tone_b > 0: # Zero means tone not playing
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# Increase Tone B
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tone_b = min(tone_b + 10, 20000)
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channels[5].frequency(tone_b)
|
|
|
|
if cu.is_pressed(CosmicUnicorn.SWITCH_BRIGHTNESS_DOWN):
|
|
if tone_b > 0: # Zero means tone not playing
|
|
# Decrease Tone B
|
|
tone_b = max(tone_b - 10, 10)
|
|
channels[5].frequency(max(tone_b, 10))
|
|
|
|
if cu.is_pressed(CosmicUnicorn.SWITCH_VOLUME_UP):
|
|
if tone_a > 0: # Zero means tone not playing
|
|
# Increase Tone A
|
|
tone_a = min(tone_a + 10, 20000)
|
|
channels[5].frequency(tone_a)
|
|
|
|
if cu.is_pressed(CosmicUnicorn.SWITCH_VOLUME_DOWN):
|
|
if tone_a > 0: # Zero means tone not playing
|
|
# Decrease Tone A
|
|
tone_a = max(tone_a - 10, 10)
|
|
channels[5].frequency(tone_a)
|
|
|
|
if cu.is_pressed(CosmicUnicorn.SWITCH_SLEEP):
|
|
if not was_z_pressed:
|
|
# Stop synth and both tones
|
|
tone_a = 0
|
|
tone_b = 0
|
|
cu.stop_playing()
|
|
timer.deinit()
|
|
synthing = False
|
|
|
|
was_z_pressed = True
|
|
else:
|
|
was_z_pressed = False
|
|
|
|
graphics.set_pen(graphics.create_pen(0, 0, 0))
|
|
graphics.clear()
|
|
|
|
if test == 0:
|
|
# print("grid pattern")
|
|
grid(255, 255, 255)
|
|
elif test == 1:
|
|
# print("red gradient")
|
|
gradient(255, 0, 0)
|
|
elif test == 2:
|
|
# print("green gradient")
|
|
gradient(0, 255, 0)
|
|
elif test == 3:
|
|
# print("blue gradient")
|
|
gradient(0, 0, 255)
|
|
elif test == 4:
|
|
# print("white gradient")
|
|
gradient(255, 255, 255)
|
|
|
|
if cu.is_pressed(CosmicUnicorn.SWITCH_A):
|
|
text = "PlaySyn"
|
|
|
|
if cu.is_pressed(CosmicUnicorn.SWITCH_B):
|
|
text = "SoloSyn"
|
|
|
|
if cu.is_pressed(CosmicUnicorn.SWITCH_C):
|
|
text = "Tone A"
|
|
|
|
if cu.is_pressed(CosmicUnicorn.SWITCH_D):
|
|
text = "Tone B"
|
|
|
|
if cu.is_pressed(CosmicUnicorn.SWITCH_VOLUME_UP):
|
|
text = "RaiseA"
|
|
|
|
if cu.is_pressed(CosmicUnicorn.SWITCH_VOLUME_DOWN):
|
|
text = "LowerA"
|
|
|
|
if cu.is_pressed(CosmicUnicorn.SWITCH_BRIGHTNESS_UP):
|
|
text = "RaiseB"
|
|
|
|
if cu.is_pressed(CosmicUnicorn.SWITCH_BRIGHTNESS_DOWN):
|
|
text = "LowerB"
|
|
|
|
if cu.is_pressed(CosmicUnicorn.SWITCH_SLEEP):
|
|
text = "Stop"
|
|
|
|
outline_text(text)
|
|
|
|
cu.update(graphics)
|
|
|
|
# pause for a moment (important or the USB serial device will fail
|
|
time.sleep(0.001)
|