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Roland_DJ-505-scripts.js
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Roland_DJ-505-scripts.js
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/*
* The Roland DJ-505 controller has two basic modes:
*
* 1. Standalone mode
*
* When the DJ-505 is not connected to a computer (or no SysEx/Keep-Alive
* messages are sent [see below]), the controller is put into standalone mode.
*
* In this mode, the controller's LEDs automatically react on button presses.
* Releasing a button will switches off the button LED, so a MIDI message
* needs to be send afterwards to switch it on again.
* The performance pads LEDs also indicate different modes, but the colors are
* different from the modes described in the Owner's Manual. It does not seem
* to be possible to illuminate individual pads.
*
* he built-in TR-S drum machine works in standalone mode and its output level
* is controlled by the TR/SAMPLER LEVEL knob.
*
*
* 2. Serato mode
*
* When the DJ-505 receives a SysEx message, the controller is put in "Serato"
* mode. However, in order to keep the DJ-505 in this mode, it seems to be
* necessary to regularly send a "keep-alive" MIDI message (0xBF 0x64 0x00).
* Otherwise the device will switch back to "Standalone mode" after
* approximately 1.5 seconds.
*
* In Serato mode, the all LEDs have to be illuminated by sending MIDI
* messages: Pressing a button does not switch the LED on and releasing it does
* not switch it off. The performance pad LEDs can all be set individually
* (including the mode buttons).
*
* The TR-S output is not connected to the main out. Instead, it is connected
* to one of input channels of the controller's audio interface. Hence, the
* TR/SAMPLER LEVEL knob does not control the output volume of TR-S, and
* works as a generic MIDI control instead.
*
*
* Other quirks and issues of the Roland DJ-505:
* - The controller does not send the current value of the crossfader when it
* receives the SysEx message. This also happens when it's used with Serato,
* so Mixxx tries to work around the issue by using "soft takeover" to avoid
* sudden volume changes when the crossfader is first used.
* - It does not seem to be possible to toggle the LEDs of the BACK and the ADD
* PREPARE buttons. Again, this can be reproduced in Serato, so it looks like
* a firmware problem and cannot be worked around.
*
*/
var DJ505 = {};
/////////////////
// Tweakables. //
/////////////////
DJ505.stripSearchScaling = 0.15;
DJ505.tempoRange = [0.08, 0.16, 0.5];
DJ505.autoShowFourDecks = false;
DJ505.trsGroup = "Auxiliary1"; // TR-S input
///////////
// Code. //
///////////
DJ505.init = function() {
DJ505.shiftButton = function(channel, control, value, _status, _group) {
DJ505.deck.concat(DJ505.effectUnit, [DJ505.sampler, DJ505.browseEncoder]).forEach(
value ? function(module) { module.shift(); } : function(module) { module.unshift(); }
);
};
DJ505.deck = [];
for (let i = 0; i < 4; i++) {
DJ505.deck[i] = new DJ505.Deck(i + 1, i);
DJ505.deck[i].setCurrentDeck("[Channel" + (i + 1) + "]");
}
DJ505.leftLoadTrackButton = new components.Button({
group: "[Channel1]",
midi: [0x9F, 0x02],
unshift: function() {
this.inKey = "LoadSelectedTrack";
},
shift: function() {
this.inKey = "eject";
},
input: function(channel, control, value, status, _group) {
this.send(this.isPress(channel, control, value, status) ? this.on : this.off);
components.Button.prototype.input.apply(this, arguments);
},
});
DJ505.deck3Button = new DJ505.DeckToggleButton({
midi: [0x90, 0x08],
decks: [1, 3],
loadTrackButton: DJ505.leftLoadTrackButton,
});
DJ505.rightLoadTrackButton = new components.Button({
group: "[Channel2]",
midi: [0x9F, 0x02],
unshift: function() {
this.inKey = "LoadSelectedTrack";
},
shift: function() {
this.inKey = "eject";
},
input: function(channel, control, value, status, _group) {
this.send(this.isPress(channel, control, value, status) ? this.on : this.off);
components.Button.prototype.input.apply(this, arguments);
},
});
DJ505.deck4Button = new DJ505.DeckToggleButton({
midi: [0x91, 0x08],
decks: [2, 4],
loadTrackButton: DJ505.rightLoadTrackButton,
});
DJ505.sampler = new DJ505.Sampler();
DJ505.effectUnit = [];
for (let i = 0; i <= 1; i++) {
DJ505.effectUnit[i] = new components.EffectUnit([i + 1, i + 3]);
DJ505.effectUnit[i].sendShifted = true;
DJ505.effectUnit[i].shiftOffset = 0x0B;
DJ505.effectUnit[i].shiftControl = true;
DJ505.effectUnit[i].enableButtons[1].midi = [0x98 + i, 0x00];
DJ505.effectUnit[i].enableButtons[2].midi = [0x98 + i, 0x01];
DJ505.effectUnit[i].enableButtons[3].midi = [0x98 + i, 0x02];
DJ505.effectUnit[i].effectFocusButton.midi = [0x98 + i, 0x04];
DJ505.effectUnit[i].knobs[1].midi = [0xB8 + i, 0x00];
DJ505.effectUnit[i].knobs[2].midi = [0xB8 + i, 0x01];
DJ505.effectUnit[i].knobs[3].midi = [0xB8 + i, 0x02];
DJ505.effectUnit[i].dryWetKnob.midi = [0xB8 + i, 0x03];
DJ505.effectUnit[i].dryWetKnob.input = function(channel, control, value, _status, _group) {
if (value === 1) {
// 0.05 is an example. Adjust that value to whatever works well for your controller.
this.inSetParameter(this.inGetParameter() + 0.05);
} else if (value === 127) {
this.inSetParameter(this.inGetParameter() - 0.05);
}
};
for (let j = 1; j <= 4; j++) {
DJ505.effectUnit[i].enableOnChannelButtons.addButton("Channel" + j);
DJ505.effectUnit[i].enableOnChannelButtons["Channel" + j].midi = [0x98 + i, 0x04 + j];
}
DJ505.effectUnit[i].enableOnChannelButtons.addButton(DJ505.trsGroup);
DJ505.effectUnit[i].enableOnChannelButtons[DJ505.trsGroup].midi = [0x98 + i, 0x09];
DJ505.effectUnit[i].enableOnChannelButtons[DJ505.trsGroup].input = function(channel, control, value, status, _group) {
components.Button.prototype.input.apply(this, arguments);
if (this.isPress(channel, control, value, status)) {
const enabled = this.inGetValue();
for (let j = 1; j <= 16; j++) {
engine.setValue(this.group, "group_[Sampler" + j + "]_enable", enabled);
}
}
};
DJ505.effectUnit[i].enableOnTrsButton = DJ505.effectUnit[i].enableOnChannelButtons[DJ505.trsGroup];
DJ505.effectUnit[i].init();
}
engine.makeConnection("[Channel3]", "track_loaded", DJ505.autoShowDecks);
engine.makeConnection("[Channel4]", "track_loaded", DJ505.autoShowDecks);
if (engine.getValue("[App]", "num_samplers") < 16) {
engine.setValue("[App]", "num_samplers", 16);
}
// Send Serato SysEx messages to request initial state and unlock pads
midi.sendSysexMsg([0xF0, 0x00, 0x20, 0x7F, 0x00, 0xF7], 6);
midi.sendSysexMsg([0xF0, 0x00, 0x20, 0x7F, 0x01, 0xF7], 6);
// Send "keep-alive" message to keep controller in Serato mode
engine.beginTimer(500, () => {
midi.sendShortMsg(0xBF, 0x64, 0x00);
});
// Reset LEDs
DJ505.deck3Button.trigger();
DJ505.deck4Button.trigger();
for (let i = 0; i < 4; i++) {
DJ505.deck[i].reconnectComponents();
}
};
DJ505.autoShowDecks = function(_value, _group, _control) {
const anyLoaded = engine.getValue("[Channel3]", "track_loaded") || engine.getValue("[Channel4]", "track_loaded");
if (!DJ505.autoShowFourDecks) {
return;
}
engine.setValue("[Master]", "show_4decks", anyLoaded);
};
DJ505.shutdown = function() {
};
DJ505.browseEncoder = new components.Encoder({
longPressTimer: 0,
longPressTimeout: 250,
trackColorCycleEnabled: false,
trackColorCycleHappened: false,
previewSeekEnabled: false,
previewSeekHappened: false,
unshift: function() {
this.onKnobEvent = function(rotateValue) {
if (rotateValue !== 0) {
if (this.previewSeekEnabled) {
const oldPos = engine.getValue("[PreviewDeck1]", "playposition");
const newPos = Math.max(0, oldPos + (0.05 * rotateValue));
engine.setValue("[PreviewDeck1]", "playposition", newPos);
} else {
engine.setValue("[Playlist]", "SelectTrackKnob", rotateValue);
}
}
};
this.onButtonEvent = function(value) {
if (value) {
this.isLongPressed = false;
this.longPressTimer = engine.beginTimer(
this.longPressTimeout,
() => { this.isLongPressed = true; },
true
);
this.previewStarted = false;
if (!engine.getValue("[PreviewDeck1]", "play")) {
engine.setValue("[PreviewDeck1]", "LoadSelectedTrackAndPlay", 1);
this.previewStarted = true;
}
// Track in PreviewDeck1 is playing, either the user
// wants to stop the track or seek in it
this.previewSeekEnabled = true;
} else {
if (this.longPressTimer !== 0) {
engine.stopTimer(this.longPressTimer);
this.longPressTimer = 0;
}
if (!this.isLongPressed && !this.previewStarted && engine.getValue("[PreviewDeck1]", "play")) {
script.triggerControl("[PreviewDeck1]", "stop");
}
this.previewSeekEnabled = false;
this.previewStarted = false;
}
};
},
shift: function() {
this.onKnobEvent = function(rotateValue) {
if (rotateValue !== 0) {
if (this.trackColorCycleEnabled) {
const key = (rotateValue > 0) ? "track_color_next" : "track_color_prev";
engine.setValue("[Library]", key, 1.0);
this.trackColorCycleHappened = true;
} else {
engine.setValue("[Playlist]", "SelectPlaylist", rotateValue);
}
}
};
this.onButtonEvent = function(value) {
if (value) {
this.trackColorCycleEnabled = true;
this.trackColorCycleHappened = false;
} else {
if (!this.trackColorCycleHappened) {
script.triggerControl("[Playlist]", "ToggleSelectedSidebarItem");
}
this.trackColorCycleEnabled = false;
this.trackColorCycleHappened = false;
}
};
},
input: function(channel, control, value, status, _group) {
switch (status) {
case 0xBF: { // Rotate.
const rotateValue = (value === 127) ? -1 : ((value === 1) ? 1 : 0);
this.onKnobEvent(rotateValue);
break;
}
case 0x9F: // Push.
this.onButtonEvent(value);
}
}
});
DJ505.backButton = new components.Button({
// TODO: Map the BACK button
midi: [0x9F, 0x07],
shiftOffset: 11,
sendShifted: true,
shiftControl: true,
type: undefined,
});
DJ505.addPrepareButton = new components.Button({
midi: [0x9F, 0x1B],
shiftOffset: -7,
sendShifted: true,
shiftControl: true,
group: "[Skin]",
key: "show_maximized_library",
type: components.Button.prototype.types.toggle,
});
DJ505.sortLibrary = function(channel, control, value, _status, _group) {
if (value === 0) {
return;
}
let sortColumn;
switch (control) {
case 0x12: // SONG
sortColumn = 2;
break;
case 0x13: // BPM
sortColumn = 15;
break;
case 0x14: // ARTIST
sortColumn = 1;
break;
case 0x1E: // KEY
sortColumn = 20;
break;
default:
// unknown sort column
return;
}
engine.setValue("[Library]", "sort_column_toggle", sortColumn);
};
DJ505.crossfader = new components.Pot({
midi: [0xBF, 0x08],
group: "[Master]",
inKey: "crossfader",
input: function() {
// We need a weird max. for the crossfader to make it cut cleanly.
// However, components.js resets max. to 0x3fff when the first value is
// received. Hence, we need to set max. here instead of within the
// constructor.
this.max = (0x7f<<7) + 0x70;
components.Pot.prototype.input.apply(this, arguments);
}
});
DJ505.crossfader.setCurve = function(channel, control, value, _status, _group) {
// 0x00 is Picnic Bench, 0x01 is Constant Power and 0x02 is Linear
switch (value) {
case 0x00: // Picnic Bench / Fast Cut
engine.setValue("[Mixer Profile]", "xFaderMode", 0);
engine.setValue("[Mixer Profile]", "xFaderCalibration", 0.9);
engine.setValue("[Mixer Profile]", "xFaderCurve", 7.0);
break;
case 0x01: // Constant Power
engine.setValue("[Mixer Profile]", "xFaderMode", 1);
engine.setValue("[Mixer Profile]", "xFaderCalibration", 0.3);
engine.setValue("[Mixer Profile]", "xFaderCurve", 0.6);
break;
case 0x02: // Additive
engine.setValue("[Mixer Profile]", "xFaderMode", 0);
engine.setValue("[Mixer Profile]", "xFaderCalibration", 0.4);
engine.setValue("[Mixer Profile]", "xFaderCurve", 0.9);
}
};
DJ505.crossfader.setReverse = function(channel, control, value, _status, _group) {
// 0x00 is ON, 0x01 is OFF
engine.setValue("[Mixer Profile]", "xFaderReverse", (value === 0x00) ? 1 : 0);
};
DJ505.setChannelInput = function(channel, control, value, _status, _group) {
const number = (channel === 0x00) ? 0 : 1;
const channelgroup = "[Channel" + (number + 1) + "]";
switch (value) {
case 0x00: // PC
engine.setValue(channelgroup, "passthrough", 0);
break;
case 0x01: // LINE
case 0x02: // PHONO
engine.setValue(channelgroup, "passthrough", 1);
break;
}
};
DJ505.Deck = function(deckNumbers, offset) {
components.Deck.call(this, deckNumbers);
this.slipModeButton = new DJ505.SlipModeButton({
midi: [0x90 + offset, 0xF],
shiftOffset: -8,
shiftControl: true,
sendShifted: true,
});
engine.setValue(this.currentDeck, "rate_dir", -1);
this.tempoFader = new components.Pot({
group: "[Channel" + deckNumbers + "]",
midi: [0xB0 + offset, 0x09],
connect: function() {
engine.softTakeover(this.group, "pitch", true);
engine.softTakeover(this.group, "rate", true);
components.Pot.prototype.connect.apply(this, arguments);
},
unshift: function() {
this.inKey = "rate";
this.inSetParameter = components.Pot.prototype.inSetParameter;
engine.softTakeoverIgnoreNextValue(this.group, "pitch");
},
shift: function() {
this.inKey = "pitch";
this.inSetParameter = function(value) {
// Scale to interval ]-7…7[; invert direction as per controller
// labeling.
value = 14 * value - 7;
value *= -1;
components.Pot.prototype.inSetValue.call(this, value);
};
engine.softTakeoverIgnoreNextValue(this.group, "rate");
}
});
// ============================= JOG WHEELS =================================
this.wheelTouch = function(channel, control, value, _status, _group) {
if (value === 0x7F && !this.isShifted) {
const alpha = 1.0/8;
const beta = alpha/32;
engine.scratchEnable(script.deckFromGroup(this.currentDeck), 512, 45, alpha, beta);
} else { // If button up
engine.scratchDisable(script.deckFromGroup(this.currentDeck));
}
};
this.wheelTurn = function(channel, control, value, _status, _group) {
// When the jog wheel is turned in clockwise direction, value is
// greater than 64 (= 0x40). If it's turned in counter-clockwise
// direction, the value is smaller than 64.
const newValue = value - 64;
const deck = script.deckFromGroup(this.currentDeck);
if (engine.isScratching(deck)) {
engine.scratchTick(deck, newValue); // Scratch!
} else if (this.isShifted) {
const oldPos = engine.getValue(this.currentDeck, "playposition");
// Since ‘playposition’ is normalized to unity, we need to scale by
// song duration in order for the jog wheel to cover the same amount
// of time given a constant turning angle.
const duration = engine.getValue(this.currentDeck, "duration");
const newPos = Math.max(0, oldPos + (newValue * DJ505.stripSearchScaling / duration));
engine.setValue(this.currentDeck, "playposition", newPos); // Strip search
} else {
engine.setValue(this.currentDeck, "jog", newValue); // Pitch bend
}
};
/* Platter Spin LED Indicator on Jog Wheels
*
* The Controller features a LED indicator that imitates a spinning
* platter when the deck is playing and also shows to position inside a
* bar.
*
* LED indicator values:
* - 0x00 - 0x1F: Beat 0 (downbeat) to 1
* - 0x20 - 0x3F: Beat 1 to 2
* - 0x40 - 0x5F: Beat 2 to 3
* - 0x60 - 0x7F: Beat 3 (upbeat) to 0 (next downbeat)
*
* TODO: Add proper bar support for the LED indicators
*
* Mixxx currently does not support bar detection, so we don't know which
* of the 4 beats in a we are on. This has been worked around by counting
* beats manually, but this is error prone and does not support moving
* backwards in a track, has problems with loops, does not detect hotcue
* jumps and does not indicate the downbeat (obviously).
*
* See Launchpad issue: https://github.com/mixxxdj/mixxx/issues/5218
*/
this.beatIndex = 0;
this.lastBeatDistance = 0;
engine.makeConnection(this.currentDeck, "beat_distance", function(value) {
// Check if we're already in front of the next beat.
if (value < this.lastBeatDistance) {
this.beatIndex = (this.beatIndex + 1) % 4;
}
this.lastBeatDistance = value;
// Since deck indices start with 1, we use 0xAF + deck for the status
// byte, so that we 0xB0 for the first deck.
const status = 0xAF + script.deckFromGroup(this.currentDeck);
// Send a value between 0x00 and 0x7F to set jog wheel LED indicator
midi.sendShortMsg(status, 0x06, Math.round(0x1f * value + 0x20 * this.beatIndex));
}.bind(this));
// ========================== LOOP SECTION ==============================
this.loopActive = new components.Button({
midi: [0x94 + offset, 0x32],
key: "loop_enabled",
type: components.Button.prototype.types.toggle,
});
this.reloopExit = new components.Button({
midi: [0x94 + offset, 0x33],
key: "reloop_exit",
});
this.loopHalve = new components.Button({
midi: [0x94 + offset, 0x34],
key: "loop_halve",
});
this.loopDouble = new components.Button({
midi: [0x94 + offset, 0x35],
key: "loop_double",
});
this.loopShiftBackward = new components.Button({
midi: [0x94 + offset, 0x36],
key: "beatjump_backward",
});
this.loopShiftForward = new components.Button({
midi: [0x94 + offset, 0x37],
key: "beatjump_forward",
});
this.loopIn = new components.Button({
midi: [0x94 + offset, 0x38],
key: "loop_in",
});
this.loopOut = new components.Button({
midi: [0x94 + offset, 0x39],
key: "loop_out",
});
this.slotSelect = new components.Button({
midi: [0x94 + offset, 0x3B],
key: "quantize",
type: components.Button.prototype.types.toggle,
});
this.autoLoop = new components.Button({
midi: [0x94 + offset, 0x40],
inKey: "beatloop_activate",
outKey: "loop_enabled",
});
// ========================== PERFORMANCE PADS ==============================
this.padSection = new DJ505.PadSection(this, offset);
this.keylock = new components.Button({
midi: [0x90 + offset, 0x0D],
sendShifted: true,
shiftControl: true,
shiftOffset: 1,
outKey: "keylock",
currentRangeIndex: (DJ505.tempoRange.indexOf(engine.getValue("[Channel" + deckNumbers + "]", "rateRange"))) ? DJ505.tempoRange.indexOf(engine.getValue("[Channel" + deckNumbers + "]", "rateRange")) : 0,
unshift: function() {
this.inKey = "keylock";
this.input = components.Button.prototype.input;
this.type = components.Button.prototype.types.toggle;
},
shift: function() {
this.inKey = "rateRange";
this.type = undefined;
this.input = function(channel, control, value, status, _group) {
if (this.isPress(channel, control, value, status)) {
this.currentRangeIndex++;
if (this.currentRangeIndex >= DJ505.tempoRange.length) {
this.currentRangeIndex = 0;
}
this.inSetValue(DJ505.tempoRange[this.currentRangeIndex]);
}
};
},
});
// ============================= TRANSPORT ==================================
this.cue = new components.CueButton({
midi: [0x90 + offset, 0x01],
sendShifted: true,
shiftControl: true,
shiftOffset: 4,
reverseRollOnShift: false,
input: function(channel, control, value, status, group) {
components.CueButton.prototype.input.call(this, channel, control, value, status, group);
if (value) {
return;
}
const state = engine.getValue(group, "cue_indicator");
if (state) {
this.trigger();
}
}
});
this.play = new components.PlayButton({
midi: [0x90 + offset, 0x00],
sendShifted: true,
shiftControl: true,
shiftOffset: 4,
});
this.sync = new components.Button({
midi: [0x90 + offset, 0x02],
group: "[Channel" + deckNumbers + "]",
outKey: "sync_mode",
output: function(value, group, control) {
if (this.connections[1] !== undefined) {
this.connections[1].disconnect();
delete this.connections[1];
}
// If the new sync_mode is "Explicit Leader", use the blinking
// indicator for the LED instead.
if (value === 3) {
if (this.connections[1] === undefined) {
this.connections[1] = engine.makeConnection("[App]", "indicator_500ms", this.setLed.bind(this));
}
return;
}
this.setLed(value, group, control);
},
setLed: function(value, _group, _control) {
midi.sendShortMsg(this.midi[0], value ? 0x02 : 0x03, this.on);
},
input: function(channel, control, value, _status, _group) {
if (value) {
this.longPressTimer = engine.beginTimer(this.longPressTimeout, () => {
this.onLongPress();
this.longPressTimer = 0;
}, true);
} else if (this.longPressTimer !== 0) {
// Button released after short press
engine.stopTimer(this.longPressTimer);
this.longPressTimer = 0;
this.onShortPress();
}
},
unshift: function() {
this.onShortPress = function() {
script.triggerControl(this.group, "beatsync", 1);
};
this.onLongPress = function() {
if (engine.getValue(this.group, "sync_enabled")) {
// If already explicit leader, reset explicit state
// (setting it to 0 may still make it implicit leader and
// immediately resetting it to 1).
const value = (engine.getValue(this.group, "sync_leader") === 2) ? 0 : 2;
engine.setValue(this.group, "sync_leader", value);
} else {
engine.setValue(this.group, "sync_enabled", 1);
}
};
},
shift: function() {
this.onShortPress = function() {
engine.setValue(this.group, "sync_enabled", 0);
};
this.onLongPress = function() {
script.toggleControl(this.group, "quantize");
};
},
});
// =============================== MIXER ====================================
this.pregain = new components.Pot({
midi: [0xB0 + offset, 0x16],
group: "[Channel" + deckNumbers + "]",
inKey: "pregain",
});
this.eqKnob = [];
for (let k = 1; k <= 3; k++) {
this.eqKnob[k] = new components.Pot({
midi: [0xB0 + offset, 0x20 - k],
group: "[EqualizerRack1_" + this.currentDeck + "_Effect1]",
inKey: "parameter" + k,
});
}
this.filter = new components.Pot({
midi: [0xB0 + offset, 0x1A],
group: "[QuickEffectRack1_" + this.currentDeck + "]",
inKey: "super1",
});
this.pfl = new components.Button({
midi: [0x90 + offset, 0x1B],
group: "[Channel" + deckNumbers + "]",
type: components.Button.prototype.types.toggle,
inKey: "pfl",
outKey: "pfl",
});
this.tapBPM = new components.Button({
midi: [0x90 + offset, 0x12],
group: "[Channel" + deckNumbers + "]",
input: function(_channel, _control, value, _status, group) {
if (value) {
this.longPressTimer = engine.beginTimer(this.longPressTimeout, () => {
this.onLongPress(group);
this.longPressTimer = 0;
}, true);
} else if (this.longPressTimer !== 0) {
// Button released after short press
engine.stopTimer(this.longPressTimer);
this.longPressTimer = 0;
this.onShortPress(group);
}
},
onShortPress: function(group) {
script.triggerControl(group, "beats_translate_curpos");
},
onLongPress: function(group) {
script.triggerControl(group, "beats_translate_match_alignment");
},
});
this.volume = new components.Pot({
midi: [0xB0 + offset, 0x1C],
group: "[Channel" + deckNumbers + "]",
inKey: "volume",
});
this.vuMeter = new components.Component({
midi: [0xB0 + offset, 0x1F],
group: "[Channel" + deckNumbers + "]",
outKey: "vu_meter",
output: function(value, group, _control) {
// The red LEDs light up with MIDI values greater than 0x24. The
// maximum brightness is reached at value 0x28. Red LEDs should
// only be illuminated if the track is clipping.
if (engine.getValue(group, "peak_indicator") === 1) {
value = 0x28;
} else {
value = Math.round(value * 0x24);
}
this.send(value);
},
});
};
DJ505.Deck.prototype = Object.create(components.Deck.prototype);
DJ505.DeckToggleButton = function(options) {
this.secondaryDeck = false;
components.Button.call(this, options);
};
DJ505.DeckToggleButton.prototype = Object.create(components.Button.prototype);
DJ505.DeckToggleButton.prototype.input = function(channel, control, value, status, _group) {
if (this.isPress(channel, control, value, status)) {
// Button was pressed
this.longPressTimer = engine.beginTimer(
this.longPressTimeout,
() => { this.isLongPressed = true; },
true
);
this.secondaryDeck = !this.secondaryDeck;
} else if (this.isLongPressed) {
// Button was released after long press
this.isLongPressed = false;
this.secondaryDeck = !this.secondaryDeck;
} else {
// Button was released after short press
engine.stopTimer(this.longPressTimer);
this.longPressTimer = null;
return;
}
this.trigger();
};
DJ505.DeckToggleButton.prototype.trigger = function() {
this.send(this.secondaryDeck ? this.on : this.off);
const newGroup = "[Channel" + (this.secondaryDeck ? this.decks[1] : this.decks[0]) + "]";
if (this.loadTrackButton.group !== newGroup) {
this.loadTrackButton.group = newGroup;
this.loadTrackButton.disconnect();
this.loadTrackButton.connect();
this.loadTrackButton.trigger();
}
};
//////////////////////////////
// TR/Sampler. //
//////////////////////////////
DJ505.Sampler = function() {
// TODO: Improve phase sync (workaround: use NUDGE button for beatmatching)
/*
* The TR-S section behaves differently depending on whether the controller
* is in Standalone or Serato mode:
*
* 1. Standalone mode
*
* When the controller is in standalone mode, the controller's TR-S works
* with the SERATO SAMPLER and SYNC functionality disabled. Also, it's not
* possible to apply FX to the TR-S output signal. The TR/SAMPLER LEVEL
* knob can be used to adjust the volume of the output.
*
*
* 2. Serato mode
*
* In this mode, the BPM can be set by sending MIDI clock
* messages (0xF8). The sampler can be started by sending one MIDI
* message per bar (0xBA 0x02 XX). The TR-S is not directly connected to
* the main out. Instead, the sound is played on channels 7-8 so that the
* signal can be routed through the FX section.
*
* The SERATO SAMPLER features 8 instruments (S1 - S8) that can be to play
* samples from Serato's sampler banks. If the device is in Serato mode and
* the sampler instruments are programmed using the TR-S pads, two MIDI
* messages are sent by the DJ-505 when the sampler step is reached:
*
* 9F 2X YY
* 8F 2X 00
*
* X is the Sampler number, i. e. for S1 this means that X=1. YY is either
* 0x57 (for steps 1, 5, 9, 13, 16) or 0x50 (all other steps).
*
* When the TR-S starts playback, the MIDI start message (0xFA) is sent by the
* device. When the playback stops, the device sends the stop message (0xFC).
*
* In both modes, it is possible to set the BPM in the range 5.0 to 800.0
* BPM by sending this MIDI message:
*
* sendShortMsg(0xEA, Math.round(bpm*10) & 0x7f, (Math.round(bpm*10) >> 7) & 0x7f);
*
*/
components.ComponentContainer.call(this);
this.syncDeck = -1;
const getActiveDeck = function() {
const deckvolume = new Array(0, 0, 0, 0);
let volumemax = -1;
let newdeck = -1;
// get volume from the decks and check it for use
for (let z = 0; z <= 3; z++) {
if (engine.getValue("[Channel" + (z + 1) + "]", "track_loaded") > 0) {
deckvolume[z] = engine.getValue("[Channel" + (z + 1) + "]", "volume");
if (deckvolume[z] > volumemax) {
volumemax = deckvolume[z];
newdeck = z;
}
}
}
return newdeck;
};
this.syncButtonPressed = function(channel, control, value, _status, _group) {
if (value !== 0x7f) {
return;
}
const isShifted = (control === 0x55);
if (isShifted || this.syncDeck >= 0) {
this.syncDeck = -1;
} else {
const deck = getActiveDeck();
if (deck < 0) {
return;
}
const bpm = engine.getValue("[Channel" + (deck + 1) + "]", "bpm");
// Minimum BPM is 5.0 (0xEA 0x32 0x00), maximum BPM is 800.0 (0xEA 0x40 0x3e).
if (!(bpm >= 5 && bpm <= 800)) {
return;
}
const bpmValue = Math.round(bpm*10);
midi.sendShortMsg(0xEA, bpmValue & 0x7f, (bpmValue >> 7) & 0x7f);
this.syncDeck = deck;
}
};
this.bpmKnobTurned = function(channel, control, value, _status, _group) {
if (this.syncDeck >= 0) {
const bpm = ((value << 7) | control) / 10;
engine.setValue("[Channel" + (this.syncDeck + 1) + "]", "bpm", bpm);
}
};
this.startStopButtonPressed = function(channel, control, value, status, _group) {
if (status === 0xFA) {
this.playbackCounter = 1;
this.playbackTimer = engine.beginTimer(500, () => {
midi.sendShortMsg(0xBA, 0x02, this.playbackCounter);
this.playbackCounter = (this.playbackCounter % 4) + 1;
});
} else if (status === 0xFC) {
if (this.playbackTimer) {
engine.stopTimer(this.playbackTimer);
}
}
};
this.customSamplePlayback = function(channel, control, value, status, group) {
if (value) {
// Volume has to be re-set because it could have been modified by
// the Performance Pads in Velocity Sampler mode
engine.setValue(group, "volume", engine.getValue("[" + DJ505.trsGroup + "]", "volume"));
engine.setValue(group, "cue_gotoandplay", 1);
}
};
this.levelKnob = new components.Pot({
group: "[" + DJ505.trsGroup + "]",
inKey: "volume",
input: function(_channel, _control, _value, _status, _group) {
components.Pot.prototype.input.apply(this, arguments);
const volume = this.inGetParameter();
for (let i = 1; i <= 16; i++) {
engine.setValue("[Sampler" + i + "]", this.inKey, volume);
}
},
});
this.cueButton = new components.Button({
group: "[" + DJ505.trsGroup + "]",
key: "pfl",
type: components.Button.prototype.types.toggle,
midi: [0x9F, 0x1D],
input: function(_channel, _control, _value, _status, _group) {
components.Button.prototype.input.apply(this, arguments);
const pfl = this.inGetValue();
for (let i = 1; i <= 16; i++) {
engine.setValue("[Sampler" + i + "]", this.inKey, pfl);
}
},
});
};
DJ505.Sampler.prototype = Object.create(components.ComponentContainer.prototype);
////////////////////////
// Custom components. //
////////////////////////
DJ505.SlipModeButton = function(options) {
components.Button.apply(this, arguments);
this.doubleTapTimeout = 500;
components.Button.call(this, options);
};
DJ505.SlipModeButton.prototype = Object.create(components.Button.prototype);
DJ505.SlipModeButton.prototype.unshift = function() {
this.input = function(channel, control, value, _status, _group) {
if (value) { // Button press.
this.inSetValue(true);
return;
} // Else: button release.
if (!this.doubleTapped) {
this.inSetValue(false);
}
this.doubleTapped = true;
if (this.doubleTapTimer) {
engine.stopTimer(this.doubleTapTimer);
this.doubleTapTimer = null;
}
this.doubleTapTimer = engine.beginTimer(
this.doubleTapTimeout,
() => {
this.doubleTapped = false;
this.doubleTapTimer = null;
},
true
);
};
this.inKey = "slip_enabled";
this.outKey = "slip_enabled";
this.type = components.Button.prototype.types.push;
this.disconnect();
this.connect();
this.trigger();
};
DJ505.SlipModeButton.prototype.shift = function() {
this.input = components.Button.prototype.input;
this.inKey = "vinylcontrol_enabled";
this.outKey = "vinylcontrol_enabled";
this.type = components.Button.prototype.types.toggle;
this.disconnect();
this.connect();
this.trigger();
};
DJ505.PadMode = {
HOTCUE: 0x00,
FLIP: 0x02,
CUELOOP: 0x03,
TR: 0x04,
PATTERN: 0x05,
TRVELOCITY: 0x06,
ROLL: 0x08,
SLICER: 0x09,
SLICERLOOP: 0x0A,
SAMPLER: 0x0B,
VELOCITYSAMPLER: 0x0C,
LOOP: 0x0D,