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DDJ-400: Extends Sampler support to 16 samplers. Blinks sampler pads …
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…when a sample is playing (even if Shift is currently pressed). Ensure that sampler pad LED remains lit when sample ends or is stopped, even when Shift is currently pressed.
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@dj3730 @jusko
dj3730 authored and jusko committed Jan 30, 2021
1 parent 218ec25 commit 047e37f
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Showing 2 changed files with 240 additions and 5 deletions.
102 changes: 99 additions & 3 deletions res/controllers/Pioneer-DDJ-400-script.js
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Original file line number Diff line number Diff line change
Expand Up @@ -120,6 +120,7 @@ PioneerDDJ400.loopin4beat = [false, false]; // inn4loop is pressed
PioneerDDJ400.loopout = [false, false]; // out loop is pressed
PioneerDDJ400.loopAdjustMultiply = 5;

PioneerDDJ400.samplerCallbacks = [];

// Wrapper to easily ignore the function when the button is released.
var ignoreRelease = function(fn) {
Expand Down Expand Up @@ -153,9 +154,20 @@ PioneerDDJ400.init = function() {
PioneerDDJ400.toggleLight(LightsPioneerDDJ400.deck1.vuMeter, false);
PioneerDDJ400.toggleLight(LightsPioneerDDJ400.deck2.vuMeter, false);

// poll the controller for current control positions on startup
// note that for some reason, the tempo sliders are always reported to be in their center positions, regardless of the current physical position of the slider
midi.sendSysexMsg([0xF0,0x00,0x40,0x05,0x00,0x00,0x02,0x06,0x00,0x03,0x01,0xf7], 12);
// DJ3730: added
// enable soft takeover for rate controls
engine.softTakeover("[Channel1]", "rate", true);
engine.softTakeover("[Channel2]", "rate", true);


// DJ3730: added
// Sampler callbacks
for (i = 1; i <= 16; ++i) {
PioneerDDJ400.samplerCallbacks.push(engine.makeConnection("[Sampler" + i + "]", "play", PioneerDDJ400.samplerPlayOutputCallbackFunction));
}

// poll the controller for current control positions on startup
midi.sendSysexMsg([0xF0,0x00,0x40,0x05,0x00,0x00,0x02,0x06,0x00,0x03,0x01,0xf7], 12);
};

PioneerDDJ400.toggleLight = function(midiIn, active) {
Expand Down Expand Up @@ -625,6 +637,18 @@ PioneerDDJ400.vuMeterUpdate = function(value, group) {
}
};

//
// SAMPLERS
//

// DJ3730: blink pad when sample playback starts
PioneerDDJ400.samplerPlayOutputCallbackFunction = function (value, group, control) {
if (value === 1) {
var curPad = group.match(script.samplerRegEx)[1];
startSamplerBlink((0x97 + (curPad > 8 ? 2 : 0)), (0x30 + ((curPad > 8 ? curPad-8 : curPad)-1)), group);
}
};

PioneerDDJ400.samplerModePadPressed = ignoreRelease(function(_channel, control, _value, status, group) {
"use strict";
var isLoaded = engine.getValue(group, "track_loaded") === 1;
Expand All @@ -635,9 +659,81 @@ PioneerDDJ400.samplerModePadPressed = ignoreRelease(function(_channel, control,
engine.setValue(group, "cue_gotoandplay", 1);
});


PioneerDDJ400.samplerModeShiftPadPressed = function(_channel, _control, value, _status, group){
"use strict";
if(value == 0) {
return; // ignore release
}
var playing = engine.getValue(group, 'play');
// when playing stop and return to start/cue point
if(playing > 0){
engine.setValue(group, 'cue_gotoandstop', 1);
}
else{ // load selected track
// engine.setValue(group, 'LoadSelectedTrack', 1);
}
};

const TimersPioneerDDJ400 = {};

function startSamplerBlink(channel, control, group) {
"use strict";
var val = 0x7f;

// print('channel ' + channel + ' +1= ' + (channel+1));

stopSamplerBlink(channel, control);
TimersPioneerDDJ400[channel][control] = engine.beginTimer(250, function() {
val = 0x7f - val;

// blink the appropriate pad
midi.sendShortMsg(channel, control, val);
// also blink the pad while SHIFT is pressed
midi.sendShortMsg((channel+1), control, val);

const isPlaying = engine.getValue(group, 'play') === 1;

if (!isPlaying) {
// kill timer
stopSamplerBlink(channel, control);
// set the pad LED to ON
midi.sendShortMsg(channel, control, 0x7f);
// set the pad LED to ON while SHIFT is pressed
midi.sendShortMsg((channel+1), control, 0x7f);
}
});
}

function stopSamplerBlink(channel, control) {
"use strict";
TimersPioneerDDJ400[channel] = TimersPioneerDDJ400[channel] || {};

if (TimersPioneerDDJ400[channel][control] !== undefined) {
engine.stopTimer(TimersPioneerDDJ400[channel][control]);
TimersPioneerDDJ400[channel][control] = undefined;
}
}

PioneerDDJ400.shutdown = function() {
"use strict";
// reset vumeter
PioneerDDJ400.toggleLight(LightsPioneerDDJ400.deck1.vuMeter, false);
PioneerDDJ400.toggleLight(LightsPioneerDDJ400.deck2.vuMeter, false);

// housekeeping
// turn off all Sampler LEDs
for (i = 0; i <= 7; ++i) {
midi.sendShortMsg(0x97, 0x30 + i, 0x00); // Deck 1 pads
midi.sendShortMsg(0x98, 0x30 + i, 0x00); // Deck 1 pads with SHIFT
midi.sendShortMsg(0x99, 0x30 + i, 0x00); // Deck 2 pads
midi.sendShortMsg(0x9A, 0x30 + i, 0x00); // Deck 2 pads with SHIFT
}
// turn off all Hotcue LEDs
for (i = 0; i <= 7; ++i) {
midi.sendShortMsg(0x97, 0x00 + i, 0x00); // Deck 1 pads
midi.sendShortMsg(0x98, 0x00 + i, 0x00); // Deck 1 pads with SHIFT
midi.sendShortMsg(0x99, 0x00 + i, 0x00); // Deck 2 pads
midi.sendShortMsg(0x9A, 0x00 + i, 0x00); // Deck 2 pads with SHIFT
}
};
143 changes: 141 additions & 2 deletions res/controllers/Pioneer-DDJ-400.midi.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -4166,7 +4166,8 @@
<minimum>0.5</minimum>
</output>

<!-- SAMPLER Mode Pads -->
<!-- SAMPLER Mode Pads (while SHIFT is NOT pressed)-->
<!-- Deck 1 pads -->
<output>
<group>[Sampler1]</group>
<key>track_loaded</key>
Expand Down Expand Up @@ -4231,7 +4232,76 @@
<on>0x7F</on>
<minimum>0.5</minimum>
</output>

<!-- SAMPLER Mode Pads (while SHIFT is NOT pressed)-->
<!-- Deck 2 pads -->
<output>
<group>[Sampler9]</group>
<key>track_loaded</key>
<status>0x99</status>
<midino>0x30</midino>
<on>0x7F</on>
<minimum>0.5</minimum>
</output>
<output>
<group>[Sampler10]</group>
<key>track_loaded</key>
<status>0x99</status>
<midino>0x31</midino>
<on>0x7F</on>
<minimum>0.5</minimum>
</output>
<output>
<group>[Sampler11]</group>
<key>track_loaded</key>
<status>0x99</status>
<midino>0x32</midino>
<on>0x7F</on>
<minimum>0.5</minimum>
</output>
<output>
<group>[Sampler12]</group>
<key>track_loaded</key>
<status>0x99</status>
<midino>0x33</midino>
<on>0x7F</on>
<minimum>0.5</minimum>
</output>
<output>
<group>[Sampler13]</group>
<key>track_loaded</key>
<status>0x99</status>
<midino>0x34</midino>
<on>0x7F</on>
<minimum>0.5</minimum>
</output>
<output>
<group>[Sampler14]</group>
<key>track_loaded</key>
<status>0x99</status>
<midino>0x35</midino>
<on>0x7F</on>
<minimum>0.5</minimum>
</output>
<output>
<group>[Sampler15]</group>
<key>track_loaded</key>
<status>0x99</status>
<midino>0x36</midino>
<on>0x7F</on>
<minimum>0.5</minimum>
</output>
<output>
<group>[Sampler16]</group>
<key>track_loaded</key>
<status>0x99</status>
<midino>0x37</midino>
<on>0x7F</on>
<minimum>0.5</minimum>
</output>

<!-- SAMPLER Mode Pads (while SHIFT IS pressed)-->
<!-- Deck 1 pads -->

<output>
<group>[Sampler1]</group>
<key>track_loaded</key>
Expand Down Expand Up @@ -4296,6 +4366,75 @@
<on>0x7F</on>
<minimum>0.5</minimum>
</output>

<!-- SAMPLER Mode Pads (while SHIFT IS pressed)-->
<!-- Deck 2 pads -->

<output>
<group>[Sampler9]</group>
<key>track_loaded</key>
<status>0x9A</status>
<midino>0x30</midino>
<on>0x7F</on>
<minimum>0.5</minimum>
</output>
<output>
<group>[Sampler10]</group>
<key>track_loaded</key>
<status>0x9A</status>
<midino>0x31</midino>
<on>0x7F</on>
<minimum>0.5</minimum>
</output>
<output>
<group>[Sampler11]</group>
<key>track_loaded</key>
<status>0x9A</status>
<midino>0x32</midino>
<on>0x7F</on>
<minimum>0.5</minimum>
</output>
<output>
<group>[Sampler12]</group>
<key>track_loaded</key>
<status>0x9A</status>
<midino>0x33</midino>
<on>0x7F</on>
<minimum>0.5</minimum>
</output>
<output>
<group>[Sampler13]</group>
<key>track_loaded</key>
<status>0x9A</status>
<midino>0x34</midino>
<on>0x7F</on>
<minimum>0.5</minimum>
</output>
<output>
<group>[Sampler14]</group>
<key>track_loaded</key>
<status>0x9A</status>
<midino>0x35</midino>
<on>0x7F</on>
<minimum>0.5</minimum>
</output>
<output>
<group>[Sampler15]</group>
<key>track_loaded</key>
<status>0x9A</status>
<midino>0x36</midino>
<on>0x7F</on>
<minimum>0.5</minimum>
</output>
<output>
<group>[Sampler16]</group>
<key>track_loaded</key>
<status>0x9A</status>
<midino>0x37</midino>
<on>0x7F</on>
<minimum>0.5</minimum>
</output>
<!-- SAMPLER Mode Pads end-->

<!-- Keyboard Mode Pads -->
<output>
Expand Down

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