padKONTROL-neko.control.js

loadAPI(2);

host.defineController("Korg", "padKONTROL NKO", "1.0", "d5eaa780-f0e1-11e3-ac10-0800200c9a66");
host.defineMidiPorts(2, 1);

if (host.platformIsLinux()) {
	host.addDeviceNameBasedDiscoveryPair(["padKONTROL MIDI 2", "padKONTROL MIDI 3"], ["padKONTROL MIDI 2"]);
}
else if (host.platformIsMac()) {
	host.addDeviceNameBasedDiscoveryPair(["padKONTROL PORT A", "padKONTROL PORT B"], ["padKONTROL CTRL"]);
}
else if (host.platformIsWindows()) {
	host.addDeviceNameBasedDiscoveryPair(["MIDIIN2 (padKONTROL)", "MIDIIN3 (padKONTROL)"], ["MIDIOUT2 (padKONTROL)"]);
}

var Mode =
{
	Drum: -1,
	Scene: 0,
	Message: 1,
	Pedal: 15,
};

var ModeTitle =
{
	"-1": "DRM",
	0: "SCN",
	1: "MSG",
	15: "PDL"
}

var mode = Mode.Undefined;

var pedal = {
	root: 36,
	offset: 0,
	velocity: 127
}

var Light =
{
	PAD01: 0,
	PAD02: 1,
	PAD03: 2,
	PAD04: 3,
	PAD05: 4,
	PAD06: 5,
	PAD07: 6,
	PAD08: 7,
	PAD09: 8,
	PAD10: 9,
	PAD11: 10,
	PAD12: 11,
	PAD13: 12,
	PAD14: 13,
	PAD15: 14,
	PAD16: 15,
	SCENE: 16,
	MESSAGE: 17,
	SETTING: 18,
	NOTECC: 19,
	MIDICH: 20,
	SWTYPE: 21,
	RELVAL: 22,
	VEL: 23,
	PORT: 24,
	FIXEDVEL: 25,
	PROGCHANGE: 26,
	X: 27,
	Y: 28,
	KNOB1: 29,
	KNOB2: 30,
	PEDAL: 31,
	ROLL: 32,
	FLAM: 33,
	HOLD: 34,
	COUNT: 35
};

var LightState =
{
	OFF: 0,
	ON: 32,
	BLINKING: 0x63,
	BLINK_SHORTEST: 0x41,
	BLINK_LONGEST: 0x5f
};

var Button =
{
	UNDEFINED: -1,
	SCENE: 0,
	MESSAGE: 1,
	SETTING: 2,
	NOTE_CC: 3,
	MIDI_CH: 4,
	SW_TYPE: 5,
	REL_VAL: 6,
	VELOCITY: 7,
	PORT: 8,
	FIXED_VELOCITY: 9,
	PROG_CHANGE: 10,
	X: 11,
	Y: 12,
	KNOB1_ASSIGN: 13,
	KNOB2_ASSIGN: 14,
	PEDAL: 15,
	ROLL: 16,
	FLAM: 17,
	HOLD: 18,
	XY_PRESS: 32
};

var tempMode = Button.UNDEFINED;

var Observer =
{
	IS_PLAYING: 0,
	IS_RECORDING: 1,
	TRACK_NAME: 2
};
var isPlaying = initArray(0, 16);
var isQueued = initArray(0, 16);

var hold = false;
var isPlay = false;

var keyTranslationTable, keyTranslationTableOff;

function init() {
	noteInput = host.getMidiInPort(1).createNoteInput("", "8A????", "9A????");
	//host.getMidiInPort(0).setMidiCallback(onMidi);
	host.getMidiInPort(0).setSysexCallback(onSysex);
	//noteInput.setShouldConsumeEvents(false);

	// default notes
	keyTranslationTable = initArray(0, 128);
	for (var i = 0; i < 16; i++) {
		var col = i & 3;
		var row = i >> 2;
		keyTranslationTable[i + 1] = 36 + col + (3 - row) * 4;  // flip y-direction of pads to match the "standard" 16-pad layout
	}

	// All notes off
	keyTranslationTableOff = initArray(0, 128);
	for (var i = 0; i < 16; i++) {
		keyTranslationTableOff[i + 1] = -1
	}

	noteInput.setKeyTranslationTable(keyTranslationTable);

	// transport
	transport = host.createTransportSection();
	transport.addIsPlayingObserver(function (on) {
		isPlay = on;
	});

	cursorTrack = host.createCursorTrackSection(2, 0);
	cursorTrack.addNoteObserver(onNote);

	primaryDevice = cursorTrack.getPrimaryDevice();
	remotes = primaryDevice.createCursorRemoteControlsPage("remotes", 8, "");
	xyControls = primaryDevice.createCursorRemoteControlsPage("xy", 2, "xy");

	/* CURSOR TRACK */
	// Enter Native Mode
	sendSysex("f0 42 40 6e 08 00 00 01 f7");

	// packet comm. #1 (section 3-1, fig 17, pg. 6)
	// see table 3 for the packet format
	sendSysex("f0 42 40 6e 08 3f 2a 00 00 05 05 05 7f 7e 7f 7f 03 0a 0a 0a 0a 0a 0a 0a 0a 0a 0a 0a 0a 0a 0a 0a 0a 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 f7");

	// packet comm. #2 (section 3-1, fig 19, pg. 7)
	// see table 4 for the packet format
	sendSysex("F0 42 40 6E 08 3F 0A 01 00 00 00 00 00 00 29 29 29 F7");

	setMode(Mode.Drum);
	updateIndications();
}

var playingKeys = initArray(false, 128);

function onNote(state, key, vel) {
	//println("onNote:" + key + "," + state + "," + vel);
	playingKeys[key] = state;
}

function exit() {
	sendSysex("f0 42 40 6e 08 00 00 00 f7");   // Turn off native mode
	sendSysex("f0 42 40 6e 08 1f 14 00 f7");   // Select scene 0
}

var pendingState = initArray(false, Light.COUNT);
var outputState = initArray(-1, Light.COUNT);

function prepareDisplay() {
	for (var i = 0; i < 16; i++) {
		var key = 36 + i;
		var row = 3 - (i >> 2);
		var column = i & 3;

		setButtonLight(Light.PAD01 + column + 4 * row, playingKeys[key]);
	}

	setButtonLight(Light.KNOB1, macroOffset != 0);
	setButtonLight(Light.KNOB2, macroOffset != 6);
	setButtonLight(Light.HOLD, hold);

	setButtonLight(Light.PROGCHANGE, tempMode == Button.PROG_CHANGE);
	setButtonLight(Light.MIDICH, tempMode == Button.MIDI_CH);
	setButtonLight(Light.SCENE, tempMode == Button.SCENE);
	setButtonLight(Light.MESSAGE, tempMode == Button.MESSAGE);
	setButtonLight(Light.PEDAL, tempMode == Button.PEDAL);
}

var macroOffset = 0;

function setButtonLight(light, state) {
	pendingState[light] = state ? LightState.ON : LightState.OFF;
}

function sendButtonLight(light, state) {
	sendSysex("f0 42 40 6e 08 01 " + uint7ToHex(light) + " " + uint7ToHex(state) + " f7");
}

function flush() {
	prepareDisplay();

	for (var i = 0; i < Light.COUNT; i++) {
		if (pendingState[i] != outputState[i]) {
			sendButtonLight(i, pendingState[i]);
			outputState[i] = pendingState[i];
		}
	}
}

/**
* @param {MidiMessage} msg
*/
function onMidi(status, data1, data2) {
	printMidi(status, data1, data2);
}

/**
* @override
*/
function onSysex(data) {
	//printSysex(data);

	if (data.matchesHexPattern("f042406e0848????f7"))  // NORMAL BUTTONS
	{

		var button = data.hexByteAt(6);
		var value = data.hexByteAt(7);
		var buttonPressed = value > 0;

		println([button, value])

		switch (button) {
			case Button.SCENE:
				setTempMode(button, buttonPressed);
				break;

			case Button.MESSAGE:
				setTempMode(button, buttonPressed, true);
				break;

			case Button.FIXED_VELOCITY:
				break;

			case Button.PROG_CHANGE:
				setTempMode(button, buttonPressed);
				// setButtonLight(button, buttonPressed);
				break;

			case Button.XY_PRESS:
				pressXY(buttonPressed);
				break;
			case Button.MIDI_CH:
				break;
			case Button.X:
				break;
			case Button.Y:
				break;
			case Button.PEDAL:
				setTempMode(button, buttonPressed);
				// setButtonLight(button, buttonPressed);
				break;
			case Button.VELOCITY:
				break;
			case Button.REL_VAL:
				break;
			case Button.PORT:
				break;
			case Button.NOTE_CC:
				break;
			case Button.SW_TYPE:
				break;
			case Button.HOLD:
				if (buttonPressed) {
					hold = !hold;

					if (!hold && !isXYPressed) {
						xyControls.getParameter(0).set(64, 128);
						xyControls.getParameter(1).set(64, 128);
					}
				}
				break;
			case Button.FLAM:
				break;
			case Button.ROLL:
				break;

			case Button.KNOB1_ASSIGN:
				if (buttonPressed) {
					macroOffset = Math.max(0, macroOffset - 2);
					showMacroOffsetInDisplay();
					updateIndications();
				}
				break;
			case Button.KNOB2_ASSIGN:
				if (buttonPressed) {
					macroOffset = Math.min(6, macroOffset + 2);
					showMacroOffsetInDisplay();
					updateIndications();
				}
				break;
		}
	}
	else if (data.matchesHexPattern("F042406E084300??F7")) // DATA WHEEL
	{
		var value = data.hexByteAt(7);
		var delta = uint7ToInt7(value);
		onDataWheel(delta);
	}
	else if (data.matchesHexPattern("F042406E084B????F7")) // XY position
	{
		var x = data.hexByteAt(6);
		var y = data.hexByteAt(7);

		if (hold || isXYPressed) {
			xyControls.getParameter(0).set(x, 128);
			xyControls.getParameter(1).set(y, 128);
		}
	}
	else if (data.matchesHexPattern("F042406E0849????F7")) // Knob
	{
		var index = data.hexByteAt(6);
		var value = data.hexByteAt(7);

		remotes.getParameter(index + macroOffset).getAmount().set(value, 128);
	}
	else if (data.matchesHexPattern("F042406E0845????F7")) // Pads
	{
		var padInfo = data.hexByteAt(6);
		var velocity = data.hexByteAt(7);
		println(['padInfo', padInfo]);
		onPad(padInfo & 0xF, (padInfo & 0x40), velocity);
	}
	else if (data.matchesHexPattern("F042406E084700??F7")) // Pedal
	{
		noteInput.sendRawMidiEvent(
			data.hexByteAt(7) ? 0x91 : 0x81,
			pedal.root + pedal.offset,
			pedal.velocity
		);
	}
	else {
		printSysex(data);
	}
}

function onDataWheel(delta) {
	switch (tempMode) {
		case Button.PROG_CHANGE:
			if (delta > 0) primaryDevice.switchToNextPreset();
			else primaryDevice.switchToPreviousPreset();
			break;

		case Button.UNDEFINED:
			if (delta > 0) cursorTrack.selectNext();
			else cursorTrack.selectPrevious();
			break;
	}
}

function setTempMode(button, pressed, noteOff) {
	if (pressed) {
		noteInput.setKeyTranslationTable(noteOff ? keyTranslationTableOff : keyTranslationTable);
		tempMode = button;
	}
	else {
		noteInput.setKeyTranslationTable(keyTranslationTable);
		tempMode = Button.UNDEFINED;
	}
	if (ModeTitle[tempMode] != undefined) {
		setDisplay(ModeTitle[tempMode], false);
	}
}

function updateIndications() {
	for (var i = 0; i < 8; i++) {
		remotes.getParameter(i).getAmount().setIndication((i & 0xE) == macroOffset);
	}
}

function showMacroOffsetInDisplay() {
	switch (macroOffset) {
		case 0:
			setDisplay("M12", false);
			break;
		case 2:
			setDisplay("M34", false);
			break;
		case 4:
			setDisplay("M56", false);
			break;
		case 6:
			setDisplay("M78", false);
			break;
	}
}

function onPad(pad, isOn, velocity) {
	var x = pad & 0x3;
	var y = pad >> 2;
	var noteIndex = x + (3 - y) * 4;

	switch (tempMode) {
		case Mode.Message:
			switch (pad + 1) {
				// tap tempo
				case 4:
					isOn ? transport.tapTempo() : false;
					break;
				// stop
				case 9:
					isOn ? transport.stop() : false;
					break;
				case 11:
					isOn ? transport.incPosition(-8, false) : false;
					break;
				case 12:
					isOn ? transport.incPosition(8, false) : false;
					break;
				// play
				case 13:
					isOn ? transport.stop() : transport.play();
					break;
				// pause / play
				case 14:
					isOn ? transport.play() : false;
					break;
				case 15:
					isOn ? transport.rewind() : false;
					break;
				case 16:
					isOn ? transport.fastForward() : false;
					break;
			}
			break;
		case Mode.Pedal:
			if (isOn) {
				pedal.offset = noteIndex;
				pedal.velocity = velocity;
				println([pedal.offset, pedal.velocity])
			}
			break;
	}

}

function setDisplay(text, blink) {
	var blinkHex = blink ? "01" : "00";
	sendSysex("f0 42 40 6e 08 22 04 " + blinkHex + text.toHex(3) + "f7");
}

function setMode(m) {
	mode = m;

	switch (m) {
		case Mode.Drum:
			setDisplay("DRM", false);
			noteInput.setKeyTranslationTable(keyTranslationTable);
			break;
	}
}

var isXYPressed = false;

function pressXY(isPressed) {
	if (isPressed != isXYPressed) {
		if (!isPressed && !hold) {
			xyControls.getParameter(0).set(64, 128);
			xyControls.getParameter(1).set(64, 128);
		}
	}

	isXYPressed = isPressed;
}