Me Here 7ccc75e399 Phase 3: USB-MIDI audio — play the device through the computer's speakers ...

Firmware (pico-cp/code.py): on every click, send a USB-MIDI note-on per firing lane —
GM drum note by voice (SOUND_GM), velocity by level (accent/normal/ghost) — via the
default-enabled usb_midi.ports[1]. Polyphonic, so the computer plays the full groove.
New CONFIG: MIDI_ENABLED (default on), MUTE_BUZZER (silence the buzzer when using
computer audio).

Editor (editor.html): a '🎹 Device audio' toggle uses the Web MIDI API
(requestMIDIAccess) to voice incoming notes through the existing synth — Note-On ->
GM_NUM[note] / velocity-to-gain -> playInstrument(). The device is the clock; the
browser is the sound module, locked in sync. Chrome/Edge.

Verified: firmware emits the right notes (kick+hat on beat 1 of four-on-the-floor,
snare's rest skipped); editor loads clean with the toggle + handlers present. Docs
(info-kit, both READMEs) updated. The on-device buzzer/screen still work standalone.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-28 22:40:08 -05:00

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