USB MIDI note highlighting
s-ol
4 months ago
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import displayio
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from adafruit_ticks import ticks_ms
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from adafruit_midi.system_exclusive import SystemExclusive
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from adafruit_midi.note_on import NoteOn
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from adafruit_midi.note_off import NoteOff
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try:
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import storage
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except:
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dev_mode = False
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from .core import Mode
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from .core import Mode, Note
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from .matrix import Matrix
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from .scale import Scale
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from .layout import Layout, LAYOUTS, WickiHaydenLayout
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if self.i2c:
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self.i2c.tick()
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msg = self.midi_usb.receive()
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while msg:
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if isinstance(msg, NoteOn):
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note = Note(self, msg.note)
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self.modes['base'].extra_notes[note.pitch] = note
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elif isinstance(msg, NoteOff) and self.modes['base'].extra_notes:
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del self.modes['base'].extra_notes[msg.note]
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msg = self.midi_usb.receive()
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self.mode.update_pixels(self.pixels)
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self.rgb = ColorScale(self.keyboard)
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self.notes = {}
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self.extra_notes = {}
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self.notes_expiring = {}
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self.notes_dirty = False
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def prepare_key(self, key: Key):
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in_scale = self.keyboard.scale.is_in_scale(key.pitch)
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if in_scale == "core":
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return (0.1, 1.0, 0.2)
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elif in_scale:
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return (0.7, 0.9, 0.15)
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if in_scale:
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return (0.1, 0.9, 0.65)
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else:
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return (0.3, 0.8, 0.0)
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hue, sat, key_val = self.prepared[i]
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base = self.keyboard.modes["base"]
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extra = base.extra_notes.get(key.pitch)
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note_for_pitch = base.notes.get(key.pitch)
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note_for_pitch = note_for_pitch or base.notes_expiring.get(key.pitch)
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if extra:
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return hsv_to_rgb(hue, 1.0, 1.0)
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if key.note:
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value = 1.0
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elif note_for_pitch:
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value = note_for_pitch.expiry * 0.8
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value = note_for_pitch.expiry * 0.3
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else:
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hue = 0.7
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value = 0.0
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rest = 1.0 - key_val
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