String[] knobName = { "FREQ1",
                      "SEMI1",
                      "DETUNE1",
                      "GAIN1",
                      "WAVE1",
                      "FREQ2",
                      "SEMI2",
                      "DETUNE2",
                      "GAIN2",
                      "WAVE2",
                      "FREQ3",
                      "SEMI3",
                      "DETUNE3",
                      "GAIN3",
                      "WAVE3",
                      "ATTACK",
                      "DECAY",
                      "SUSTAIN",
                      "RELEASE",
                      "DETUNE_ALL",
                      "WAVE_ALL"
                    };
                    
String[] controllerName = {   "freq1",
                              "semi1",
                              "detune1",
                              "gain1",
                              "wave1",
                              "freq2",
                              "semi2",
                              "detune2",
                              "gain2",
                              "wave2",
                              "freq3",
                              "semi3",
                              "detune3",
                              "gain3",
                              "wave3",
                              "attack",
                              "decay",
                              "sustain",
                              "release"
                            };
                              

                    
String[] waveform = { "SINE",
                      "SQUARE",
                      "PULSE",
                      "TRIANGLE",
                      "SAW",
                      "FUZZ",
                      "DIGI1",
                      "DIGI2",
                      "DIGI3",
                      "DIGI4",
                      "NOISE",
                      "DIGI6",
                      "TAN1",
                      "TAN2",
                      "TAN3",
                      "TAN4"
                    };
                    
int[] knobMidiCC = {10,11,12,13,14,20,21,22,23,24,30,31,32,33,34,114,115,116,117,4,5};


void setupKnobs() {

  controlP5 = new ControlP5(this);
  PFont p = createFont("Georgia",12); 
  controlP5.setControlFont(p,12);
  controlP5.setColorLabel(color(255,128));

  Textlabel labelFreq = controlP5.addTextlabel("freqLabel","FREQ",posX+posW*0,posY-20);
  Textlabel labelSemi = controlP5.addTextlabel("semiLabel","SEMI",posX+posW*1,posY-20);
  Textlabel labelDetune = controlP5.addTextlabel("detuneLabel","DETUNE",posX+posW*2,posY-20);
  Textlabel labelGain = controlP5.addTextlabel("gainLabel","GAIN",posX+posW*3,posY-20);
  Textlabel labelWave = controlP5.addTextlabel("waveLabel","WAVE",posX+posW*4,posY-20);

  Textlabel labelAttack = controlP5.addTextlabel("attackLabel","A",posX+16+posW*0,posY+posH*4-20);
  Textlabel labelDecay = controlP5.addTextlabel("decayLabel","D",posX+16+posW*1,posY+posH*4-20);
  Textlabel labelsustain = controlP5.addTextlabel("sustainLabel","S",posX+16+posW*2,posY+posH*4-20);
  Textlabel labelReleasek = controlP5.addTextlabel("releaseLabel","R",posX+16+posW*3,posY+posH*4-20);

  Knob freq1 = controlP5.addKnob("freq1",    0,127,64,  posX+posW*0,posY+posH*0,knobS);
  Knob semi1 = controlP5.addKnob("semi1",    -24,24,0,  posX+posW*1,posY+posH*0,knobS);
  Knob detune1 = controlP5.addKnob("detune1",0,127,64,  posX+posW*2,posY+posH*0,knobS);
  Knob gain1 = controlP5.addKnob("gain1",    0,127,127, posX+posW*3,posY+posH*0,knobS);
  Knob wave1 = controlP5.addKnob("wave1",    0,15,0,   posX+posW*4,posY+posH*0,knobS);

  Knob freq2 = controlP5.addKnob("freq2",    0,127,64,  posX+posW*0,posY+posH*1,knobS);
  Knob semi2 = controlP5.addKnob("semi2",    -24,24,0,  posX+posW*1,posY+posH*1,knobS);
  Knob detune2 = controlP5.addKnob("detune2",0,127,64,  posX+posW*2,posY+posH*1,knobS);
  Knob gain2 = controlP5.addKnob("gain2",    0,127,127, posX+posW*3,posY+posH*1,knobS);
  Knob wave2 = controlP5.addKnob("wave2",    0,15,0,   posX+posW*4,posY+posH*1,knobS);

  Knob freq3 = controlP5.addKnob("freq3",    0,127,64,  posX+posW*0,posY+posH*2,knobS);
  Knob semi3 = controlP5.addKnob("semi3",    -24,24,0,  posX+posW*1,posY+posH*2,knobS);
  Knob detune3 = controlP5.addKnob("detune3",0,127,64,  posX+posW*2,posY+posH*2,knobS);
  Knob gain3 = controlP5.addKnob("gain3",    0,127,127, posX+posW*3,posY+posH*2,knobS);
  Knob wave3 = controlP5.addKnob("wave3",    0,15,0,   posX+posW*4,posY+posH*2,knobS);

  Knob attack = controlP5.addKnob("attack",  0,127,0,   posX+posW*0, posY+posH*4, knobS);
  Knob decay = controlP5.addKnob("decay",    0,127,64,   posX+posW*1, posY+posH*4, knobS);
  Knob sustain = controlP5.addKnob("sustain",0,127,64,   posX+posW*2, posY+posH*4, knobS);
  Knob release = controlP5.addKnob("release",0,127,64,   posX+posW*3, posY+posH*4, knobS);
  
}

void writeKnobValues() {
  textAlign(CENTER);
  fill(128);
  text(knobValue[0],40,90);
  text(knobValue[1],100,90);
  text(knobValue[2],160,90);
  text(knobValue[3],220,90);
  text(waveform[knobValue[4]],280,90);
  text(knobValue[5],40,150);
  text(knobValue[6],100,150);
  text(knobValue[7],160,150);
  text(knobValue[8],220,150);
  text(waveform[knobValue[9]],280,150);
  text(knobValue[10],40,210);
  text(knobValue[11],100,210);
  text(knobValue[12],160,210);
  text(knobValue[13],220,210);
  text(waveform[knobValue[14]],280,210);
  text(knobValue[15],40,330);
  text(knobValue[16],100,330);
  text(knobValue[17],160,330);
  text(knobValue[18],220,330);  
}

void freq1(int val)
{
  int knob = 0;
  if(knobValue[knob] != val) {
    knobValue[knob] = val;
    if(printChange) println(knobName[knob] + " is: " + (int)(pow(2,(knobValue[knob]-69)/12.0)*440) + " Hz");
    //(2^((p-69)/12))*440
    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
  }
}

void semi1(int val)
{
  int knob = 1;
  if(knobValue[knob] != val) {
    knobValue[knob] = val;
    if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
    int semi =(knobValue[knob]+24)*2+16;
    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)semi);
  }
}

void detune1(int val)
{
  int knob = 2;
  if(knobValue[knob] != val) {
    knobValue[knob] = val;
    if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
  }
}

void gain1(int val)
{
  int knob = 3;
  if(knobValue[knob] != val) {
    knobValue[knob] = val;
    if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
  }
}

void wave1(int val)
{
  int knob = 4;
  if(knobValue[knob] != val) {
    knobValue[knob] = val;
    if(printChange) println(knobName[knob] + " is: " + knobValue[knob] + " (" + waveform[knobValue[knob]] + ")");
    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)(knobValue[knob]*8));
  }
}

void freq2(int val)
{
  int knob = 5;
  if(knobValue[knob] != val) {
    knobValue[knob] = val;
    if(printChange) println(knobName[knob] + " is: " + (int)(pow(2,(knobValue[knob]-69)/12.0)*440) + " Hz");
    //(2^((p-69)/12))*440
    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
  }
}

void semi2(int val)
{
  int knob = 6;
  if(knobValue[knob] != val) {
    knobValue[knob] = val;
    if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
    int semi =(knobValue[knob]+24)*2+16;
    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)semi);
  }
}

void detune2(int val)
{
  int knob = 7;
  if(knobValue[knob] != val) {
    knobValue[knob] = val;
    if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
  }
}

void gain2(int val)
{
  int knob = 8;
  if(knobValue[knob] != val) {
    knobValue[knob] = val;
    if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
  }
}

void wave2(int val)
{
  int knob = 9;
  if(knobValue[knob] != val) {
    knobValue[knob] = val;
    if(printChange) println(knobName[knob] + " is: " + knobValue[knob] + " (" + waveform[knobValue[knob]] + ")");
    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)(knobValue[knob]*8));
  }
}

void freq3(int val)
{
  int knob = 10;
  if(knobValue[knob] != val) {
    knobValue[knob] = val;
    if(printChange) println(knobName[knob] + " is: " + (int)(pow(2,(knobValue[knob]-69)/12.0)*440) + " Hz");
    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
  }
}

void semi3(int val)
{
  int knob = 11;
  if(knobValue[knob] != val) {
    knobValue[knob] = val;
    if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
    int semi =(knobValue[knob]+24)*2+16;
    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)semi);
  }
}

void detune3(int val)
{
  int knob = 12;
  if(knobValue[knob] != val) {
    knobValue[knob] = val;
    if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
  }
}

void gain3(int val)
{
  int knob = 13;
  if(knobValue[knob] != val) {
    knobValue[knob] = val;
    if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
  }
}

void wave3(int val)
{
  int knob = 14;
  if(knobValue[knob] != val) {
    knobValue[knob] = val;
    if(printChange) println(knobName[knob] + " is: " + knobValue[knob] + " (" + waveform[knobValue[knob]] + ")");
    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)(knobValue[knob]*8));
  }
}

void attack(int val)
{
  int knob = 15;
  if(knobValue[knob] != val) {
    knobValue[knob] = val;
    if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
  }
}

void decay(int val)
{
  int knob = 16;
  if(knobValue[knob] != val) {
    knobValue[knob] = val;
    if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
  }
}

void sustain(int val)
{
  int knob = 17;
  if(knobValue[knob] != val) {
    knobValue[knob] = val;
    if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
  }
}

void release(int val)
{
  int knob = 18;
  if(knobValue[knob] != val) {
    knobValue[knob] = val;
    if(printChange) println(knobName[knob] + " is: " + knobValue[knob]);
    sendControlChange((byte)0, (byte)knobMidiCC[knob], (byte)knobValue[knob]);
  }
}