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Merge pull request #1 from eigengrau/Mapping-DJ-202
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Slip button, tap tempo, strip search, FX button extras
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@Lykos153
Lykos153 authored Apr 12, 2018
2 parents f9213a8 + 3b2e934 commit 2c866cd
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Showing 2 changed files with 329 additions and 49 deletions.
266 changes: 219 additions & 47 deletions res/controllers/Roland_DJ-202-scripts.js
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Original file line number Diff line number Diff line change
Expand Up @@ -4,9 +4,18 @@ DJ202.tempoRange = [0.08, 0.16, 0.5]

DJ202.init = function () {

DJ202.shiftButton = function (channel, control, value, status, group) {
DJ202.deck.concat(DJ202.effectUnit).forEach(
value
? function (module) { module.shift(); }
: function (module) { module.unshift(); }
);
};

DJ202.leftDeck = new DJ202.Deck([1,3], 0);
DJ202.rightDeck = new DJ202.Deck([2,4], 1);

DJ202.deck = [DJ202.leftDeck, DJ202.rightDeck];

DJ202.effectUnit = [];
DJ202.effectUnit[1] = new DJ202.EffectUnit(1);
DJ202.effectUnit[2] = new DJ202.EffectUnit(2);
Expand All @@ -21,16 +30,22 @@ DJ202.shutdown = function () {
};

DJ202.browseEncoder = new components.Encoder({
midi: [0xBF, 0x00],
group: '[Playlist]',
inKey: 'SelectTrackKnob',
input: function (channel, control, value, status, group) {
if (value === 1) {
this.inSetParameter(1);
} else if (value === 127) {
this.inSetParameter(-1);
var isShifted = control % 2 != 0;
switch (status) {
case 0xBF: // Rotate.
if (value === 1) {
script.triggerControl(group, isShifted ? 'ScrollUp' : 'MoveUp');
} else if (value === 127) {
script.triggerControl(group, isShifted ? 'ScrollDown' : 'MoveDown');
}
break;
case 0x9F: // Push.
if (value) {
script.triggerControl(group, isShifted ? 'MoveFocusBackward' : 'MoveFocusForward');
}
}
},
}
});

DJ202.crossfader = new components.Pot({
Expand All @@ -43,14 +58,6 @@ DJ202.Deck = function (deckNumbers, offset) {
components.Deck.call(this, deckNumbers);
channel = offset+1;

this.shiftButton = function (channel, control, value, status, group) {
if (value === 127) {
this.shift();
} else {
this.unshift();
}
};

this.loadTrack = new components.Button({
midi: [0x9F, 0x02 + offset],
unshift: function () {
Expand All @@ -61,6 +68,34 @@ DJ202.Deck = function (deckNumbers, offset) {
},
});

this.paramUp = function (channel, control, value, status, group) {
if (value) {
this.paramUp.active = true;
if (this.paramDown.active) {
script.triggerControl(group, 'reset_key');
} else if (this.keylock.is_held) {
var adjust = engine.getValue(group, 'pitch_adjust');
engine.setValue(group, 'pitch_adjust', Math.min(7, adjust + 1));
}
} else {
this.paramUp.active = false;
}
};

this.paramDown = function (channel, control, value, status, group) {
if (value) {
this.paramDown.active = true;
if (this.paramUp.active) {
script.triggerControl(group, 'reset_key');
} else if (this.keylock.is_held) {
var adjust = engine.getValue(group, 'pitch_adjust');
engine.setValue(group, 'pitch_adjust', Math.max(-7, adjust - 1));
}
} else {
this.paramDown.active = false;
}
};

this.keylock = new components.Button({
midi: [0x90 + offset, 0x0D],
shiftOffset: 1,
Expand All @@ -69,9 +104,25 @@ DJ202.Deck = function (deckNumbers, offset) {
outKey: 'keylock',
currentRangeIndex: 0,
unshift: function () {
this.type = components.Button.prototype.types.toggle;
this.input = components.Button.prototype.input;
this.input = function (channel, control, value, status, group) {
if (value) {
this.longPressTimer = engine.beginTimer(this.longPressTimeout, function () {
this.is_held = true;
}, true);
} else {
if (!this.is_held) {
script.toggleControl(this.group, this.outKey);
};
engine.stopTimer(this.longPressTimer);
this.is_held = false;
}
};
this.inKey = 'keylock';
this.outKey = 'keylock';
// The DJ-202 disables the keylock LED when the button is pressed
// shifted. Restore the LED when shift is released.
this.send(this.outGetValue());
midi.sendShortMsg(0x84, 0x00, 0x3);
},
shift: function () {
this.inKey = 'rateRange';
Expand All @@ -98,7 +149,7 @@ DJ202.Deck = function (deckNumbers, offset) {

// ============================= JOG WHEELS =================================
this.wheelTouch = function (channel, control, value, status, group) {
if (value === 0x7F) {
if (value === 0x7F && !this.isShifted) {
var alpha = 1.0/8;
var beta = alpha/32;
engine.scratchEnable(script.deckFromGroup(this.currentDeck), 512, 45, alpha, beta);
Expand All @@ -109,8 +160,14 @@ DJ202.Deck = function (deckNumbers, offset) {

this.wheelTurn = function (channel, control, value, status, group) {
var newValue = value - 64;
if (engine.isScratching(1)) {
engine.scratchTick(script.deckFromGroup(this.currentDeck), newValue); // Scratch!
var deck = script.deckFromGroup(this.currentDeck);
if (engine.isScratching(deck)) {
engine.scratchTick(deck, newValue); // Scratch!
} else if (this.isShifted) {
// Strip search.
var oldPos = engine.getValue(this.currentDeck, 'playposition');
var newPos = Math.max(0, oldPos + newValue / 0xff);
engine.setValue(this.currentDeck, 'playposition', newPos);
} else {
engine.setValue(this.currentDeck, 'jog', newValue); // Pitch bend
}
Expand Down Expand Up @@ -170,7 +227,60 @@ DJ202.Deck = function (deckNumbers, offset) {
// ============================= TRANSPORT ==================================
this.play = new components.PlayButton([0x90 + offset, 0x00]); // LED doesn't stay on
this.cue = new components.CueButton([0x90 + offset, 0x01]);
this.sync = new components.SyncButton([0x90 + offset, 0x02]); // doesn't work properly
var SyncButton = function (options) {
components.SyncButton.call(this, options);
};

SyncButton.prototype = new components.SyncButton({
doubleTapTimeout: 500,
unshift: function () {
this.input = function (channel, control, value, status, group) {
if (this.isPress(channel, control, value, status)) {
if (this.isDoubleTap) {
var fileBPM = engine.getValue(this.group, 'file_bpm');
engine.setValue(this.group, 'bpm', fileBPM);
} else if (engine.getValue(this.group, 'sync_enabled') === 0) {
engine.setValue(this.group, 'beatsync', 1);
this.longPressTimer = engine.beginTimer(this.longPressTimeout, function () {
engine.setValue(this.group, 'sync_enabled', 1);
this.longPressTimer = 0;
}, true);
this.isDoubleTap = true; // For the next call.
this.doubleTapTimer = engine.beginTimer(this.doubleTapTimeout, function () {
this.isDoubleTap = false;
}, true);
} else {
engine.setValue(this.group, 'sync_enabled', 0);
};
} else {
if (this.longPressTimer !== 0) {
engine.stopTimer(this.longPressTimer);
this.longPressTimer = 0;
};
// Apparently some DJ-202 button LEDS reset themselves when
// a button is released, so we need to re-enable the LED
// again.
if(engine.getValue(group, 'sync_enabled')) {
midi.sendShortMsg(0x90 + offset, 0x02, 0x7f);
}
};
};

var ledControl = engine.getValue(this.group, 'sync_enabled') ? 0x02 : 0x03;
this.output = function (value, group, control) {
// To disable the sync LED, the note must be shifted. This
// corresponds to the DJ-202 surface, which has sync off on the
// shift layer.
midi.sendShortMsg(0x90 + offset, ledControl, 0x7f);
};
// Pressing shift + sync off on the controller will disable the sync
// LED even when sync is still enabled within mixxx.
midi.sendShortMsg(0x90 + offset, ledControl, 0x7f);
},

});

this.sync = new SyncButton();

// =============================== MIXER ====================================
this.pregain = new components.Pot({
Expand Down Expand Up @@ -198,7 +308,24 @@ DJ202.Deck = function (deckNumbers, offset) {
type: components.Button.prototype.types.toggle,
inKey: 'pfl',
outKey: 'pfl',
// missing: shift -> TAP
});

this.tapBPM = new components.Button({
input: function (channel, control, value, status, group) {
if (value == 127) {
script.triggerControl(group, 'beats_translate_curpos');
bpm.tapButton(script.deckFromGroup(group));
this.longPressTimer = engine.beginTimer(
this.longPressTimeout,
function () {
script.triggerControl(group, 'beats_translate_match_alignment');
},
true
);
} else {
engine.stopTimer(this.longPressTimer);
}
}
});

this.volume = new components.Pot({
Expand Down Expand Up @@ -226,6 +353,20 @@ DJ202.EffectUnit = function (unitNumber) {
this.group = '[EffectRack1_EffectUnit' + unitNumber + ']';
engine.setValue(this.group, 'show_focus', 1);

this.shift = function () {
this.button.forEach(function (button) {
button.shift();
});
this.knob.shift();
};

this.unshift = function () {
this.button.forEach(function (button) {
button.unshift();
});
this.knob.unshift();
};

this.EffectButton = function (buttonNumber) {
this.buttonNumber = buttonNumber;

Expand All @@ -235,33 +376,41 @@ DJ202.EffectUnit = function (unitNumber) {
components.Button.call(this);
};
this.EffectButton.prototype = new components.Button({
input: function (channel, control, value, status) {
if (this.isPress(channel, control, value, status)) {
this.isLongPressed = false;
this.longPressTimer = engine.beginTimer(this.longPressTimeout, function () {
var effectGroup = '[EffectRack1_EffectUnit' + unitNumber + '_Effect' + this.buttonNumber + ']';
script.toggleControl(effectGroup, 'enabled');
this.isLongPressed = true;
}, true);
} else {
if (!this.isLongPressed) {
var focusedEffect = engine.getValue(eu.group, 'focused_effect');
if (focusedEffect === this.buttonNumber) {
engine.setValue(eu.group, 'focused_effect', 0);
} else {
engine.setValue(eu.group, 'focused_effect', this.buttonNumber);
unshift: function() {
this.input = function (channel, control, value, status) {
if (this.isPress(channel, control, value, status)) {
this.isLongPressed = false;
this.longPressTimer = engine.beginTimer(this.longPressTimeout, function () {
var effectGroup = '[EffectRack1_EffectUnit' + unitNumber + '_Effect' + this.buttonNumber + ']';
script.toggleControl(effectGroup, 'enabled');
this.isLongPressed = true;
}, true);
} else {
if (!this.isLongPressed) {
var focusedEffect = engine.getValue(eu.group, 'focused_effect');
if (focusedEffect === this.buttonNumber) {
engine.setValue(eu.group, 'focused_effect', 0);
} else {
engine.setValue(eu.group, 'focused_effect', this.buttonNumber);
}
}
this.isLongPressed = false;
engine.stopTimer(this.longPressTimer);
}
this.isLongPressed = false;
engine.stopTimer(this.longPressTimer);
}
this.outKey = 'focused_effect';
this.output = function (value, group, control) {
this.send((value === this.buttonNumber) ? this.on : this.off);
};
this.sendShifted = true;
this.shiftOffset = 0x0B;
},
outKey: 'focused_effect',
output: function (value, group, control) {
this.send((value === this.buttonNumber) ? this.on : this.off);
},
sendShifted: true,
shiftOffset: 0x0B,
shift: function () {
this.input = function (channel, control, value, status) {
var group = '[EffectRack1_EffectUnit' + unitNumber + '_Effect' + this.buttonNumber + ']';
script.toggleControl(group, 'next_effect');
};
}
});

this.button = [];
Expand All @@ -273,6 +422,23 @@ DJ202.EffectUnit = function (unitNumber) {
engine.softTakeover(eu.group, 'mix', true);
}

this.headphones = new components.Button({
group: '[EffectRack1_EffectUnit' + unitNumber + ']',
midi: [0x98, 0x04],
unshift: function() {
this.outKey = 'group_[Headphone]_enable';
this.inKey = this.outKey;
this.input = function (channel, control, value, status) {
// FIXME Trigger *after* release, to work-around the device
// disabling the LED on release. Refactor this once a customized
// ‘Button’ class is available.
if (!value) {
script.toggleControl(this.group, this.outKey);
};
};
}
});

this.knob = new components.Pot({
unshift: function () {
this.input = function (channel, control, value, status) {
Expand All @@ -287,6 +453,12 @@ DJ202.EffectUnit = function (unitNumber) {
}
};
},
shift: function() {
this.input = function (channel, control, value, status) {
var group = '[EffectRack1_EffectUnit' + unitNumber + ']';
engine.setParameter(group, 'super1', value / 0x7f);
}
}
});

this.knobSoftTakeoverHandler = engine.makeConnection(eu.group, 'focused_effect', function (value, group, control) {
Expand Down
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