node-midi-launchpad

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node-midi-launchpad

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A simple node module for the Novation Launchpad

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Launchpad Node Module: midi-launchpad
=====================================

![Sample](https://raw.github.com/sydlawrence/node-midi-launchpad/gh-pages/public/example.gif)

Docs
----

Docs are available at: http://sydlawrence.github.io/node-midi-launchpad/

Installation
------------
```js
npm install midi-launchpad
```
Usage
-----
```js
var midiConnector = require('midi-launchpad').connect(midiport);

// wait for the connector to be ready
midiConnector.on("ready",function(launchpad) {
  console.log("Launchpad ready, let's do something");
});
```
Colors
------

- launchpad.colors.off;
- launchpad.colors.red.low;
- launchpad.colors.red.medium;
- launchpad.colors.red.high;
- launchpad.colors.green.low;
- launchpad.colors.green.medium;
- launchpad.colors.green.high;
- launchpad.colors.orange.low;
- launchpad.colors.orange.medium;
- launchpad.colors.orange.high;
- launchpad.colors.yellow.low;
- launchpad.colors.yellow.medium;
- launchpad.colors.yellow.high;

Functions
---------

turn off all the lights
```js
launchpad.clear();
```

light up all buttons
```js
launchpad.allLight(color);
```

display a chatacter on the launchpad
```js
launchpad.displayCharacter("S", color);
```

display a string by flashing between the characters
```js
launchpad.displayString("@sydlawrence", color);
```

use the launchpad as a scrolling display
```js
launchpad.scrollString("@sydlawrence", color);
```

render specific colors in specific buttons all at once
- 0 or " " for "off"
- y for yellow
- r for red
- g for green
- o for orange

```js
launchpad.renderBytes(
  [
    " gg  gg ",
    "g g  g g",
    "ggg  ggg",
    "    g   ",
    "    g   ",
    "g  gg  g",
    " g    g ",
    "  gggg  ",
    "rrr  rrr"  // the special row at the top
  ]
);
```

Buttons
-------

get a button 
```js
var button = launchpad.getButton(1,1);
```

light up a button
```js
button.light(color);
```

get the current color
```js
button.getState();
```

```js
button.x; // the x co-ord
button.y; // the y co-ord
button.special; // if the button is "special"
```

Events
------
```js
button.on("press", callback);
button.on("release", callback);
```

```js
launchpad.on("press", callback);
launchpad.on("release", callback);
```

Credits
=======

/\___/\
( o   o )
(  =^=  )
(        )
(         )
(          )))))))))))

e   e  e eeee    eeeeeee eeeee eeeee eeee    eeeee e   e e  eeeee
8   8  8 8       8  8  8 8   8 8   8 8         8   8   8 8  8   "
8e  8  8 8eee    8e 8  8 8eee8 8e  8 8eee      8e  8eee8 8e 8eeee
88  8  8 88      88 8  8 88  8 88  8 88        88  88  8 88    88
88ee8ee8 88ee    88 8  8 88  8 88ee8 88ee      88  88  8 88 8ee88
```
[![githalytics.com alpha](https://cruel-carlota.pagodabox.com/c0082c609b5ded571004d45891986c73 "githalytics.com")](http://githalytics.com/sydlawrence/node-midi-launchpad)

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