diff options
| -rw-r--r-- | squelette_synth_midi.ino | 91 |
1 files changed, 66 insertions, 25 deletions
diff --git a/squelette_synth_midi.ino b/squelette_synth_midi.ino index 9804cbf..d47e33e 100644 --- a/squelette_synth_midi.ino +++ b/squelette_synth_midi.ino @@ -37,8 +37,8 @@ int tableChange = 0; -Oscil <SAW256_NUM_CELLS, AUDIO_RATE> ncoOne(SAW256_DATA), -ncoTwo(SAW256_DATA), ncoThree(SAW256_DATA); +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); @@ -47,15 +47,17 @@ ADSR <CONTROL_RATE> adsr_envelope; ADSR <CONTROL_RATE> adsr_filter; -float lastFreq = 0; + 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][5]; //0:oscil1, 1:oscil2, 2:oscil3, 3:envelope, 4:detune +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) { @@ -77,15 +79,25 @@ void handleNoteOn(byte channel, byte note, byte velocity) { 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; - lastFreq = Q16n16_to_float(Q16n16_mtof(float_to_Q16n16(totalNote))); - ncoOne.setFreq(lastFreq); + 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; - adsr_filter.noteOn(); - adsr_envelope.noteOn(); + } void handleNoteOff(byte channel, byte note, byte velocity) { @@ -113,10 +125,13 @@ void setup() { MIDI.setHandleNoteOn(handleNoteOn); MIDI.setHandleNoteOff(handleNoteOff); MIDI.setHandlePitchBend(handlePitchBend); - ncoOne.setFreq(400); + nco[0].setFreq(400); + nco[1].setFreq(333); + //nco[2].setFreq(300); startMozzi(CONTROL_RATE); MIDI.begin(); - lfoOne.setFreq(1); + lfoOne.setFreq((float)0.3); + lfoTwo.setFreq(5); for(int i = 0; i < 3; i++) { noteBuffer[i] = -1; } @@ -133,7 +148,7 @@ void setup() { } } -int lastFilter = 0; + void updateControl() { lastLfoValues[0] = lfoOne.next(); lastLfoValues[1] = lfoTwo.next(); @@ -144,40 +159,66 @@ void updateControl() { 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(); - mf.setCutoffFreq(255 * adsr_envelope.next() >> 8); + } int updateAudio() { //adsr.next(); + /** int osc1 = ncoOne.next(); int osc2 = ncoTwo.next(); int osc3 = ncoThree.next(); */ - /** for(int i=0;i<2;i++) { + for(int i=0;i<2;i++) { if(lfoEffect[i][0] { osc1 = osc1*lastLfoValues[i]; + } - if(lfoEffect[i][1] { - osc2 = osc2*lastLfoValues[i]; - } - if(lfoEffect[i][2] { - osc3 = osc3*lastLfoValues[i]; + if(lfoEffect[i][1] || true) { + //osc2 = (osc2*lastLfoValues[i])>>7; } - if(lfoEffect[i][3] { - //envelope + if(lfoEffect[i][2] || true) { + //osc3 = (osc3*lastLfoValues[i])>>7; } - if(lfoEffect[i][4] { - //detune + + } + 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((ncoOne.next() + ncoTwo.next() + ncoThree.next()) >> 2))) >> 2; + } + return (int) (adsr_envelope.next()*(mf.next(total)))>>2; + } } void loop() { |