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Cosmic Unicorn: Tidy up audio feature test a little.
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@Gadgetoid
Gadgetoid committed Feb 20, 2023
1 parent af3a52b commit ccf7fe4
Showing 1 changed file with 59 additions and 71 deletions.
130 changes: 59 additions & 71 deletions micropython/examples/cosmic_unicorn/feature_test_with_audio.py
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Original file line number Diff line number Diff line change
Expand Up @@ -56,7 +56,43 @@
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)

notes = [melody_notes, rhythm_notes, drum_beats, hi_hat, bass_notes]
channels = [gu.synth_channel(i) for i in range(len(notes))]
channels = [gu.synth_channel(i) for i in range(len(notes) + 1)] # Extra channel for tones

# Configure the synth to play our notes
channels[0].configure(waveforms=Channel.TRIANGLE + Channel.SQUARE,
attack=0.016,
decay=0.168,
sustain=0xafff / 65535,
release=0.168,
volume=10000 / 65535)

channels[1].configure(waveforms=Channel.SINE + Channel.SQUARE,
attack=0.038,
decay=0.300,
sustain=0,
release=0,
volume=12000 / 65535)

channels[2].configure(waveforms=Channel.NOISE,
attack=0.005,
decay=0.010,
sustain=16000 / 65535,
release=0.100,
volume=18000 / 65535)

channels[3].configure(waveforms=Channel.NOISE,
attack=0.005,
decay=0.005,
sustain=8000 / 65535,
release=0.040,
volume=8000 / 65535)

channels[4].configure(waveforms=Channel.SQUARE,
attack=0.010,
decay=0.100,
sustain=0,
release=0.500,
volume=12000 / 65535)


def gradient(r, g, b):
Expand Down Expand Up @@ -116,6 +152,8 @@ def outline_text(text):
# The current synth beat
beat = 0

text = ""


def next_beat():
global beat
Expand Down Expand Up @@ -145,37 +183,12 @@ def tick(timer):

if gu.is_pressed(CosmicUnicorn.SWITCH_A):
if not was_a_pressed:
# Configure the synth to play our notes
channels[0].configure(waveforms=Channel.TRIANGLE + Channel.SQUARE,
attack=0.016,
decay=0.168,
sustain=0xafff / 65535,
release=0.168,
volume=10000 / 65535)
channels[1].configure(waveforms=Channel.SINE + Channel.SQUARE,
attack=0.038,
decay=0.300,
sustain=0,
release=0,
volume=12000 / 65535)
channels[2].configure(waveforms=Channel.NOISE,
attack=0.005,
decay=0.010,
sustain=16000 / 65535,
release=0.100,
volume=18000 / 65535)
channels[3].configure(waveforms=Channel.NOISE,
attack=0.005,
decay=0.005,
sustain=8000 / 65535,
release=0.040,
volume=8000 / 65535)
channels[4].configure(waveforms=Channel.SQUARE,
attack=0.010,
decay=0.100,
sustain=0,
release=0.500,
volume=12000 / 65535)
channels[0].volume(10000 / 65535)
channels[1].volume(12000 / 65535)
channels[2].volume(18000 / 65535)
channels[3].volume(8000 / 65535)
channels[4].volume(12000 / 65535)
channels[5].volume(0)

# If the synth is not already playing, init the first beat
if not synthing:
Expand All @@ -192,37 +205,12 @@ def tick(timer):

if gu.is_pressed(CosmicUnicorn.SWITCH_B):
if not was_b_pressed:
# Configure the synth to play our notes, but with only one channel audable
channels[0].configure(waveforms=Channel.TRIANGLE + Channel.SQUARE,
attack=0.016,
decay=0.168,
sustain=0,
release=0.168,
volume=0)
channels[1].configure(waveforms=Channel.SINE + Channel.SQUARE,
attack=0.038,
decay=0.300,
sustain=0,
release=0,
volume=12000 / 65535)
channels[2].configure(waveforms=Channel.NOISE,
attack=0.005,
decay=0.010,
sustain=16000 / 65535,
release=0.100,
volume=0)
channels[3].configure(waveforms=Channel.NOISE,
attack=0.005,
decay=0.005,
sustain=8000 / 65535,
release=0.040,
volume=0)
channels[4].configure(waveforms=Channel.SQUARE,
attack=0.010,
decay=0.100,
sustain=0,
release=0.500,
volume=0)
channels[0].volume(0)
channels[1].volume(12000 / 65535)
channels[2].volume(0)
channels[3].volume(0)
channels[4].volume(0)
channels[5].volume(0)

# If the synth is not already playing, init the first beat
if not synthing:
Expand All @@ -242,7 +230,8 @@ def tick(timer):
# Stop synth (if running) and play Tone A
timer.deinit()
tone_a = 400
channels[0].play_tone(tone_a, 0.06)
channels[5].play_tone(tone_a, 0.06)
channels[5].volume(12000 / 65535)

gu.play_synth()
synthing = False
Expand All @@ -257,7 +246,8 @@ def tick(timer):
timer.deinit()
tone_b = 600

channels[1].play_tone(tone_b, 0.06, attack=0.5)
channels[5].play_tone(tone_b, 0.06, attack=0.5)
channels[5].volume(12000 / 65535)

gu.play_synth()
synthing = False
Expand All @@ -270,25 +260,25 @@ def tick(timer):
if tone_b > 0: # Zero means tone not playing
# Increase Tone B
tone_b = min(tone_b + 10, 20000)
channels[1].frequency(tone_b)
channels[5].frequency(tone_b)

if gu.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[1].frequency(max(tone_b, 10))
channels[5].frequency(max(tone_b, 10))

if gu.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[0].frequency(tone_a)
channels[5].frequency(tone_a)

if gu.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[0].frequency(tone_a)
channels[5].frequency(tone_a)

if gu.is_pressed(CosmicUnicorn.SWITCH_SLEEP):
if not was_z_pressed:
Expand Down Expand Up @@ -322,8 +312,6 @@ def tick(timer):
# print("white gradient")
gradient(255, 255, 255)

text = ""

if gu.is_pressed(CosmicUnicorn.SWITCH_A):
text = "PlaySyn"

Expand Down

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