midi-protocol-lookup

name	midi-protocol-lookup
description	Look up APC Mini MK2 MIDI protocol details including note numbers, MIDI channels, velocity values, and SysEx format. Use when user asks about "MIDI note", "channel", "velocity", "status byte", "SysEx", "protocol", or needs to understand how MIDI messages control the APC Mini MK2.

APC Mini MK2 MIDI Protocol Reference

Quick reference for MIDI protocol. For complete details, see reference.md.

MIDI Message Structure

• Note On: [0x9n, note, velocity] (n = channel 0-15)
• Note Off: [0x8n, note, velocity]
• Control Change: [0xBn, cc, value]

Note Mapping

Region	Notes	Purpose
Pad Grid	0-63	8x8 RGB pads (row * 8 + col)
Track Buttons	100-107	Red LEDs
Scene Buttons	112-119	Green LEDs
Shift	122	No LED
Faders (CC)	48-56	CC 48-55 + Master 56

MIDI Channel Effects

Channel	Effect
0-6	Brightness 10%-100%
7-10	Pulse animation
11-15	Blink animation

Use channel 6 (0x96) for full brightness.

SysEx Custom RGB

F0 47 7F 4F 24 00 08 [pad] [pad] [R-MSB] [R-LSB] [G-MSB] [G-LSB] [B-MSB] [B-LSB] F7

RGB encoding:

const encodeRGB = (value: number): readonly [number, number] =>
  [(value >> 7) & 0x01, value & 0x7F] as const;