@mohayonao/launch-control NPM

LAUNCH CONTROL

JavaScript utility for novation LAUNCH CONTROL

Installation

Node.js

npm install @mohayonao/launch-control

Browser

launch-control.js

Examples

Online examples (using Web MIDI API)

Run example with Node.js (using node-midi)

node examples/dump.js

API

LaunchControl

constructor(deviceName: string = 'Launch Control', opts={})
- opts.enablePadOff when true, enable to receive pad off events

Class methods

requestDeviceNames(): Promise<{ inputs: string[], outputs: string[] }>

Instance methods

Also implements methods from the interface @mohayonao/event-emitter.

open(): Promise<[ input, output ]>
close(): Promise<[ input, output ]>
send(data: number[]): void
led(track: number|string, color: number|string, [channel: number]): void
- track 0 - 7 or "all", "even", "odd"
- color index or name (see below)

Events

message
- dataType: string
  - knob1
  - knob2
  - pad
  - cursor
- value: number 0 - 127
- track: number 0 - 7 ( knob1, knob2, pad )
- direction: string "left", "right", "up" or "down" ( cursor )
- channel: number 0 - 15
- deviceName: string

Color Code

color name	color index
off	0
dark red	1
red	2
light red	3
dark green	4
dark amber	5
green	8
amber	10
light green	12
light amber	15

Usage

Node.js

var LaunchControl = require("@mohayonao/launch-control");

Browser

<script src="/path/to/launch-control.js"></script>

Common

var ctrl = new LaunchControl();

ctrl.open().then(function() {
  ctrl.led("all", "amber");
});

ctrl.on("message", function(e) {
  console.log("dataType: " + e.dataType);
  console.log("track   : " + e.track);
  console.log("value   : " + e.value);
  console.log("channel : " + e.channel);
});