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Diffstat (limited to 'squelette_synth_midi.ino')
| -rw-r--r-- | squelette_synth_midi.ino | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/squelette_synth_midi.ino b/squelette_synth_midi.ino deleted file mode 100644 index d47e33e..0000000 --- a/squelette_synth_midi.ino +++ /dev/null @@ -1,227 +0,0 @@ -/* - * squelette_synth_midi.ino - * - * Copyright 2014 Guillaume Riou, Aude Forcione-Lambert & Nicolas Hurtubise. - * - * This file is part of Llammas. - * - * Llammas is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * Llammas is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with Llammas. If not, see <http://www.gnu.org/licenses/>. - * - */ -#include <MIDI.h> -#include <MozziGuts.h> -#include <Oscil.h> -#include <mozzi_midi.h> -#include <mozzi_fixmath.h> -#include <tables/saw256_int8.h> -#include <tables/sin256_int8.h> -#include <ADSR.h> -#include <LowPassFilter.h> -#include "pitchbendArray.h" -#include "multiFilter.h" -#include "lfoFreqArray.h" - -#define CONTROL_RATE 256 - - -int tableChange = 0; - -Oscil <SAW256_NUM_CELLS, AUDIO_RATE> nco[] = -{(SAW256_DATA), (SAW256_DATA), (SAW256_DATA)}; - -Oscil <SIN256_NUM_CELLS, CONTROL_RATE> lfoOne(SIN256_DATA), -lfoTwo(SIN256_DATA); - -ADSR <CONTROL_RATE> adsr_envelope; -ADSR <CONTROL_RATE> adsr_filter; - - - -int noteBuffer[4]; -int bufferIndex = 0; -float pbAmount = 0.0; -float lastMidiNote = 0.0; -float oscDet[2]; -LowPassFilter lpf; -int lastLfoValues[2]; -Multifilter mf(0); -bool lfoEffect[2][7]; //0:oscil1, 1:oscil2, 2:oscil3, 3:envelope, 4:cutoff, 5: det osc2, 6: det osc3 -int lastFilter = 0; - -void handlePitchBend(byte channel, byte lsb, byte msb) { - - pbAmount = pgm_read_float_near(PB_ARRAY+msb); - jouerNote(lastMidiNote); -} - -void handleNoteOn(byte channel, byte note, byte velocity) { - //If velocity is 0, the noteOn message is equivalent to a noteOff message. - if(velocity == 0) { - handleNoteOff(channel, note, velocity); - - return; - } - - for(int i = 3; i > 0; i--) { - noteBuffer[i] = noteBuffer[i - 1]; - } - - noteBuffer[0] = note; - jouerNote((float)note); - adsr_filter.noteOn(); - adsr_envelope.noteOn(); -} - -void jouerNote(float note) { - // Note joué sur le clavier additionnée du pitch bend. - float totalNote = note + pbAmount; - nco[0].setFreq(Q16n16_to_float(Q16n16_mtof(float_to_Q16n16(totalNote)))); - for(int i = 0; i < 2; i++) { - // Note globale plus le désacordage de l'oscillateur. - float noteOscil = oscDet[i] + totalNote; - nco[i+1].setFreq(Q16n16_to_float(Q16n16_mtof(float_to_Q16n16(noteOscil)))); - } - //lastFreq = Q16n16_to_float(Q16n16_mtof(float_to_Q16n16(totalNote))); - //nco[0].setFreq(lastFreq); - // nco[1].setFreq(Q16n16_to_float(Q16n16_mtof(float_to_Q16n16(totalNote+12)))); - // nco[2].setFreq(lastFreq); - lastMidiNote = note; - -} - -void handleNoteOff(byte channel, byte note, byte velocity) { - int i = 0; - - while(i < 3 && noteBuffer[i] != note) { - i++; - } - while(i < 3) { - noteBuffer[i] = noteBuffer[i + 1]; - i += 1; - } - if(i < 4) { - noteBuffer[3] = -1; - } - if(noteBuffer[0] != -1) { - jouerNote((float)noteBuffer[0]); - } else { - adsr_filter.noteOff(); - adsr_envelope.noteOff(); - } -} - -void setup() { - MIDI.setHandleNoteOn(handleNoteOn); - MIDI.setHandleNoteOff(handleNoteOff); - MIDI.setHandlePitchBend(handlePitchBend); - nco[0].setFreq(400); - nco[1].setFreq(333); - //nco[2].setFreq(300); - startMozzi(CONTROL_RATE); - MIDI.begin(); - lfoOne.setFreq((float)0.3); - lfoTwo.setFreq(5); - for(int i = 0; i < 3; i++) { - noteBuffer[i] = -1; - } - adsr_envelope.setADLevels(255, 210); - adsr_envelope.setTimes(188, 345, 65000, 345); - adsr_envelope.setSustainLevel(255); - mf.setResonance(156); - lastLfoValues[0] = 0; - lastLfoValues[1] = 0; - for(int i=0; i<2; i++){ - for(int j=0; j<5; j++){ - lfoEffect[i][j]=false; - } - } -} - - -void updateControl() { - lastLfoValues[0] = lfoOne.next(); - lastLfoValues[1] = lfoTwo.next(); - // Oscillator detune. - // - int filterReading = mozziAnalogRead(0)>>8; - if (lastFilter != filterReading ) { - mf.changeFilter(filterReading); - lastFilter = filterReading; - } - - for (int i = 0; i < 2; i ++){ - if(lfoEffect[i][5] || true){ - oscDet[0] = pgm_read_float_near(PB_ARRAY+((lastLfoValues[i]+127)>>1)); - } - if(lfoEffect[i][6]){ - oscDet[1] = pgm_read_float_near(PB_ARRAY+((lastLfoValues[i]+127)>>1)); - } - } - - // TODO : Lire la valeur sur des knobs. - int cutoff = 255; - for (int i = 0 ; i <2 ; i++){ - if(lfoEffect[i][4]){ - //cutoff = (cutoff * (lastLfoValues[i]+127)) >>7; - } - } - - mf.setCutoffFreq(cutoff * adsr_envelope.next() >> 8); - // Lis et traite les valeurs midi. - - MIDI.read(); - jouerNote(lastMidiNote); - // Update l'adsr. - adsr_envelope.update(); - -} - -int updateAudio() { - //adsr.next(); - - - /** - int osc1 = ncoOne.next(); - int osc2 = ncoTwo.next(); - int osc3 = ncoThree.next(); - */ - for(int i=0;i<2;i++) { - if(lfoEffect[i][0] { - osc1 = osc1*lastLfoValues[i]; - - } - if(lfoEffect[i][1] || true) { - //osc2 = (osc2*lastLfoValues[i])>>7; - } - if(lfoEffect[i][2] || true) { - //osc3 = (osc3*lastLfoValues[i])>>7; - } - - } - int total = (osc1+osc2+osc3)>>2; - - for(int i=0; i<2; i++){ - if(lfoEffect[i][3] || true) { - //total = (total*lastLfoValues[i])>>7; - } - - } - return (int) (adsr_envelope.next()*(mf.next(total)))>>2; - } -} - -void loop() { - audioHook(); -} - |