#include <IRremote.h>
#include <Wire.h>
#include <LiquidCrystal.h>
#include <EEPROM.h>

#include "PT2322.h"

PT2322 pt2322;

#define LcdBacklight A1 // Anoda LCD
#define outrelay A2 // out  
#define Mode_Select 0 
#define In_Select 1 
#define In_OP1 2 
#define In_OP2 3 
#define In_AUX 4 
#define btn_delay 10

IRrecv irrecv(A0);
//decode_results results;

byte pilih_char[8][8]={
  { B00111, B01111, B11111, B11111, B11111, B11111, B11111, B11111 },
  { B11111, B11111, B11111, B00000, B00000, B00000, B00000, B00000 },
  { B11100, B11110, B11111, B11111, B11111, B11111, B11111, B11111 },
  { B11111, B11111, B11111, B11111, B11111, B11111, B01111, B00111 },
  { B00000, B00000, B00000, B00000, B00000, B11111, B11111, B11111 },
  { B11111, B11111, B11111, B11111, B11111, B11111, B11110, B11100 },
  { B11111, B11111, B11111, B00000, B00000, B00000, B11111, B11111 },
  { B11111, B11111, B11111, B11111, B11111, B11111, B11111, B11111 }
};

const int digit_width=3;
                                         // 0       1       2       3       4         5       6       7         8       9       n       f
const char custom_num_top[12][3]={0,1,2,	1,2,32,	1,1,2,	6,6,2,	 7, 4,7,	7,6,6,	0,6,6,	 1,6, 5,	0,6,2,	0,1,2,	7, 1,2,	 0, 6, 1};
const char custom_num_bot[12][3]={3,4,5,	4,7,4	,	0,6,6,	4,4,5,	32,32,7,	4,4,5,	3,4,5,	32,7,32,	3,4,5,	6,6,5,	7,32,7,	 7,32,32};

const char stanby_top[5][3]={0,1,1,	 4,2,4,	7, 1,2,	7,32,32,	3,4,7};
const char stanby_bot[5][3]={6,6,5,	32,3,4,	7,32,7,	7, 6,	5,	4,4,5};

LiquidCrystal lcd(10, 9, 5, 6, 7, 8); // RS,E,D4,D5,D6,D7 

unsigned long time;
int power,inp,volume,a,b,vol_2;
int bass,bass_1,mid,mid_1,treb,treb_1;
int fl,fr,cn,rl,rr,sub,flm,frm,cnm,rlm,rrm,subm;
int tonc,equ,trimvol,func,mute,d3,tonec,smode;
int menu, subMenu,subMenuValue,tampil,teschannel,vol_on,return_d,channel;
boolean ir_on=false;

//=====================================
#include "TimerOne.h"
//#include <ClickEncoder.h>
#include "ClickEncoder.h"
ClickEncoder *encoder;
int16_t last, value;
boolean up=false;
boolean down=false;
boolean tombol=false;
boolean reset=false;

void timerIsr() {
  encoder->service();
}

void setup() {
  Wire.begin();
  Serial.begin(9600);
  lcd.begin(16, 2);

  encoder=new ClickEncoder(11, 12, 13);
  encoder->setAccelerationEnabled(false);
  last=encoder->getValue();
  
  Timer1.initialize(500);
  Timer1.attachInterrupt(timerIsr);   

  irrecv.enableIRIn();
  
  pinMode(LcdBacklight, OUTPUT); // Anoda LCD
  digitalWrite(LcdBacklight, HIGH);

  pinMode(outrelay, OUTPUT);
  digitalWrite(outrelay, HIGH);

  pinMode(In_OP1, INPUT);
  pinMode(In_OP2, INPUT);
  pinMode(In_AUX, INPUT);
  pinMode(In_Select, OUTPUT);
  digitalWrite(In_Select, HIGH);

  pt2322.clearRegister();
  pt2322.activateInSW();

  created_shape();

  power=0;
  eeprom_read();
  delay(100);
  power_up();
}

void loop(){
 // if (millis()-time>60000 && power==0){ digitalWrite(LcdBacklight, LOW); } 

  updateLCD();

  readButton();
  updateButton();

  readRotary();
  updateRotary();

  if (irrecv.decode()){
    updateIR();
    irrecv.resume(); 
  }
}

void power_up(){
  if (power==1){
    digitalWrite(LcdBacklight, HIGH);
    digitalWrite(outrelay, HIGH);
    mute=smode=1; d3=tonec=0;
    setFunc();
    lcd.clear();
    delay(500);
    lcd.setCursor(0, 0);
    lcd.print(F("   A2T TECHNO   "));
    delay(500);
    lcd.setCursor(0, 1);
    lcd.print(F("5.1 Audio System"));    
    delay(2000);
    lcd.clear();    
    setInput();
    setEqu();
    setSmode();

    setTone(0,bass);
    setTone(1,mid);
    setTone(2,treb);
    setTrim(0,fl);
    setTrim(1,fr);
    setTrim(2,cn);
    setTrim(3,rl);
    setTrim(4,rr);
    setTrim(5,sub);

    mute=d3=tonec=0;
    setFunc();
    delay(300);
    //=============
    subMenu=0;
    subMenuValue=0; 
    tampil=0;
    //=============    
    ir_on=true;
    
    menu=0;
    vol_2=volume;
    if (vol_2>60) vol_2=60;
    volume=0;
    for (int i=29; i < vol_2; i++){
      volume++;
      setVolume();
      custom_num_top();
      updateLCD();
      delay(100);
    }
  }
  else
  {
    digitalWrite(outrelay, LOW);
    mute=1; d3=tonec=0;
    setFunc();
    delay(100);
    menu=100;
    ir_on=false;
  }
}

void created_shape(){
  for(int i=0; i < 8; i++)
  lcd.createChar(i, pilih_char[i]);
}

void bigNumer(int aValue, int lokasi){
  int x=aValue;
  b=x % 10;
  a=(x - b) / 10;

  lcd.setCursor(lokasi, 0); for(int i=0; i < digit_width; i++) lcd.write(custom_num_top[a][i]);
  lcd.setCursor(lokasi, 1); for(int i=0; i < digit_width; i++) lcd.write(custom_num_bot[a][i]);
  lcd.setCursor(lokasi+4, 0); for(int i=0; i < digit_width; i++) lcd.write(custom_num_top[b][i]);
  lcd.setCursor(lokasi+4, 1); for(int i=0; i < digit_width; i++) lcd.write(custom_num_bot[b][i]);    
}

void bigFont(int aValue, int lokasi){
  lcd.setCursor(lokasi, 0); for(int i=0; i < digit_width; i++) lcd.write(custom_num_top[0][i]);
  lcd.setCursor(lokasi, 1); for(int i=0; i < digit_width; i++) lcd.write(custom_num_bot[0][i]);
  if (aValue==0){
    lcd.setCursor(lokasi+4, 0); for(int i=0; i < digit_width; i++) lcd.write(custom_num_top[10][i]);
    lcd.setCursor(lokasi+4, 1); for(int i=0; i < digit_width; i++) lcd.write(custom_num_bot[10][i]);    
  } else {
    lcd.setCursor(lokasi+4, 0); for(int i=0; i < digit_width; i++) lcd.write(custom_num_top[11][i]);
    lcd.setCursor(lokasi+4, 1); for(int i=0; i < digit_width; i++) lcd.write(custom_num_bot[11][i]);    
  }
}
/*
void stanby(){
  int x=0;
  for (int j=0; j<5; j++){
    lcd.setCursor(x, 0); for(int i=0; i < digit_width; i++) lcd.write(stanby_top[j][i]);
    lcd.setCursor(x, 1); for(int i=0; i < digit_width; i++) lcd.write(stanby_bot[j][i]);
    x+=3;
  }
}*/

void updateLCD(){
  switch(menu){
    case 0: 
      //volume --------------------------------------------//
      //input ------------
      input(inp);
      //equalizer---------
      equa(equ);
      //speaker mode------
      spmode(smode);
      //volume-----------
      lcd.setCursor(0,1);
      switch (mute){
        case 0: lcd.print(F("VOL>")); bigNumer(volume-29,5); 
          break;
        case 1: lcd.print(F("MUT<")); bigNumer(0,5); 
          break;
      }
      lcd.setCursor(3,0); lcd.print(F(" "));
      lcd.setCursor(12,0); lcd.print(F(" "));
      lcd.setCursor(12,1); lcd.print(F(" "));
      break;
    case 1: 
      //input --------------------------------------------//
      subMenu=inp;
      input(subMenu);
      lcd.setCursor(3,0); lcd.print(F("<"));
      lcd.setCursor(3,1); lcd.print(F(" "));
      lcd.setCursor(12,0); lcd.print(F(" "));
      lcd.setCursor(12,1); lcd.print(F(" "));
      break;
    case 2: 
      //sound mode --------------------------------------//
      subMenu=equ;
      equa(subMenu);
      lcd.setCursor(3,0); lcd.print(F(" "));
      lcd.setCursor(3,1); lcd.print(F(" "));
      lcd.setCursor(12,0); lcd.print(F(">"));
      lcd.setCursor(12,1); lcd.print(F(" "));
      break;      
    case 3: 
      //speaker mode -----------------------------------//
      subMenu=smode;
      spmode(subMenu);
      lcd.setCursor(3,0); lcd.print(F(" "));
      lcd.setCursor(3,1); lcd.print(F(" "));
      lcd.setCursor(12,0); lcd.print(F(" "));
      lcd.setCursor(12,1); lcd.print(F(">"));
      break;
/*
    case 4: 
      //tone control -------------------------//
      subMenu=tonc;
      lcd.setCursor(0,0); 
      lcd.print(F("TONE CTL")); 
      lcd.setCursor(7,1); 
      if (tampil==1){if (subMenu!=3) lcd.print(F("> "));}
      else if (subMenu!=3) lcd.print(F("< "));
      lcd.setCursor(0,1); 
      switch (subMenu){
        case 0: lcd.print(F("Bass   ")); bigNumer(bass,9); bass_1=bass; equ=0; break;
        case 1: lcd.print(F("Middle ")); bigNumer(mid,9); mid_1=mid; equ=0; break;
        case 2: lcd.print(F("Treble ")); bigNumer(treb,9); treb_1=treb; equ=0; break;
        case 3: 
          lcd.print(F("Back            ")); 
          lcd.setCursor(9,0);
          lcd.print(F("       ")); 
          break;
      }
      break;

    case 5: 
      subMenu=trimvol;
      lcd.setCursor(0,0); 
      lcd.print(F("TRIM VOL"));
      lcd.setCursor(8,1); 
      if (tampil==1){if (subMenu!=6) lcd.print(F(">"));}
      else if (subMenu!=6) lcd.print(F("<"));
      lcd.setCursor(0,1);   
      switch (subMenu){
        case 0: lcd.print(F("Front L ")); bigNumer(fl,9); break;          
        case 1: lcd.print(F("Front R ")); bigNumer(fr,9); break;
        case 2: lcd.print(F("Center  ")); bigNumer(cn,9); break;
        case 3: lcd.print(F("Rear L  ")); bigNumer(rl,9); break;
        case 4: lcd.print(F("Rear R  ")); bigNumer(rr,9); break;
        case 5: lcd.print(F("Subwofer")); bigNumer(sub,9); break;
        case 6: 
          lcd.print(F("Back            ")); 
          lcd.setCursor(9,0);
          lcd.print(F("       ")); 
          break;
      }
      lcd.setCursor(12,0); lcd.print(F(" "));
      lcd.setCursor(12,1); lcd.print(F(" "));
      break;
*/
    case 6: 
      subMenu=func;
      lcd.setCursor(0,0); 
      lcd.print(F("FUNCTION "));
      lcd.setCursor(8,1); 
      if (tampil==1){if (subMenu!=3) lcd.print(F(">"));}
      else if (subMenu!=3) lcd.print(F("<"));
      lcd.setCursor(0,1); 
      switch (subMenu){
        case 0: 
          lcd.print(F("Surr 3D "));
          subMenuValue=d3;
          /*switch (subMenuValue){
            case 0 ... 1: bigFont(subMenuValue,9); break;
          }*/
          bigFont(subMenuValue,9);
          break;
        case 1: 
          lcd.print(F("Tone Def"));
          subMenuValue=tonec;
          /*switch (subMenuValue){
            case 0 ... 1: bigFont(!subMenuValue,9); break;
          }*/
          bigFont(!subMenuValue,9);
          break;
        case 2: 
          lcd.print(F("Mute    "));
          subMenuValue=mute;
          /*switch (subMenuValue){
            case 0 ... 1: bigFont(!subMenuValue,9); break;
          }*/
          bigFont(!subMenuValue,9);
          break;
        case 3:
          lcd.print(F("Back            "));
          lcd.setCursor(9,0); 
          lcd.print(F("       "));
          break;
      }
      break;
    case 7:
      subMenu=channel;
      lcd.setCursor(0, 1); lcd.print(F("  L R C RR RL SW"));
      lcd.setCursor(0, 0);
      if (tampil==0){ 
        switch (teschannel){
          case 0: lcd.print(F("> TES CHANNEL   ")); break;
          case 1: lcd.print(F("< BACK          ")); break;
        }
      } else if (tampil==1){
        switch (subMenu){
          case 0: lcd.print(F("  ")); lcd.write(2); lcd.print(F("             ")); break;
          case 1: lcd.print(F("    ")); lcd.write(2); lcd.print(F("           ")); break; 
          case 2: lcd.print(F("      ")); lcd.write(2); lcd.print(F("         ")); break;
          case 3: lcd.print(F("        ")); lcd.write(2); lcd.print(F("       ")); break; 
          case 4: lcd.print(F("           ")); lcd.write(2); lcd.print(F("    ")); break; 
          case 5: lcd.print(F("              ")); lcd.write(2); lcd.print(F(" ")); break; 
          case 6: tampil=0; break; 
        }
      }
      break;
    case 100:
      if (digitalRead(LcdBacklight)==LOW){
        lcd.setCursor(0, 0); lcd.print(F("                "));
        lcd.setCursor(0, 1); lcd.print(F("                "));
      } else {
        lcd.setCursor(0, 0); lcd.print(F("  S T A N B Y   "));
        lcd.setCursor(0, 1); lcd.print(F("  ***********   "));
      }
      break;      
  }

  if (power==1){eeprom_update(); eeprom_read();}
}

void readButton(){  
  ClickEncoder::Button b=encoder->getButton();
  if (b != ClickEncoder::Open) {
    switch (b) {
      case ClickEncoder::Clicked:
        tombol=true;
        break;
      case ClickEncoder::Held:
        power=0; menu=100; power_up();
        break;
    }
  }
}

void updateButton(){
  if (tombol){
    if (power==0){
      power=1; power_up();
    } else if (power==1){
      if (menu==0){menu=1; updateLCD();} 
      else if (menu==1){menu=2; updateLCD();} 
      else if (menu==2){menu=3; updateLCD();} 
      else if (menu==3){lcd.clear(); menu=4; updateLCD();}
      else if (menu==4){
        if (tampil==0){if (tonc>=0 && tonc<=2) tampil=1;} 
        else if (tampil==1){
          if (tonc>=0 && tonc<=2){menu=4; tampil=0; updateLCD();}
        }
        if (tonc==3){lcd.clear(); tonc=0; menu=5; updateLCD();}
      } 
      else if (menu==5){
        if (tampil==0){if (trimvol>=0 && trimvol<=5) tampil=1;} 
        else if (tampil==1){
          if (trimvol>=0 && trimvol<=5){menu=5; tampil=0; updateLCD();}
        }
        if (trimvol==6){lcd.clear(); trimvol=0; menu=6; updateLCD();}
      }
      else if (menu==6){
        if (tampil==0){
          if (func>=0 && func<=2) tampil=1;
        } else if (tampil==1){
          if (func>=0 && func<=2) {
            menu=6; tampil=0; updateLCD();
          }
        }
        if (func==3){lcd.clear(); func=0; menu=7; updateLCD();}
      }
      else if (menu==7){
        if (tampil==0){
          if (teschannel==0) tampil=1;
        } else if (tampil==1){
          if (teschannel==0){
            menu=7; tampil=0; updateLCD();
          }
        }
        if (teschannel==1){lcd.clear(); teschannel=0; menu=0; updateLCD();}
      }
      btn_cl();
      return_delay();
    }
    tombol=false;   

  }
  else{

  }
}

// Down - Up  Rotary encoder 
void readRotary(){
  value += encoder->getValue();
  if (value/2 > last) {
    last=value/2;
    down=true;
    delay(100);
  } else if (value/2 < last) {
    last=value/2;
    up=true;
    delay(100);
  }
}

void updateRotary(){
  int aValue=0;

  if (up){ 
      if (menu==1){
        lcd.setCursor(6, 0); lcd.print(F("MENU"));
        lcd.setCursor(6, 1); lcd.print(menu);
        lcd.setCursor(9, 1); lcd.print(F("L"));
        
        digitalWrite(In_Select, LOW); delay(500);
        digitalWrite(In_Select, HIGH);            

        lcd.setCursor(9, 1); lcd.print(F("H"));
      }    
      up=false; aValue=1; 
  }
  if (down){ down=false; aValue=-1; }

  switch(menu){
    case 0: volume += aValue; setVolume(); updateLCD();//Master Volume
            break;
//    case 1: inp += aValue; setInput(); input(inp);//input selected
    case 1: setInput(); input(inp); //input selected
            break;
    case 2: equ += aValue; setEqu(); equa(equ);//set equaliser
            break;
    case 3: smode += aValue; setSmode(); spmode(smode);//set mode 2.1 / 5.1
            break;
    //menu=4, tampil=0, uvalue=0 .. 3
    //menu=4, tampil=1, uvalue=-14 .. 14
    case 4: //tone control select
            if (tampil==0){ 
              tonc += aValue;
              if (tonc < 0) tonc = 0;
              if (tonc > 3) tonc = 3;
            }
 
            lcd.setCursor(0,0); 
            lcd.print(F("TONE CTL")); 
            lcd.setCursor(7,1); 
            if (tampil==1){if (tonc!=3) lcd.print(F("> "));}
            else if (tonc!=3) lcd.print(F("< "));
            lcd.setCursor(0,1);  
 
            //selected tone control
            if (tampil==1){
              switch (tonc){
                case 0: bass += aValue; setTone(tonc,bass); break;
                case 1: mid += aValue; setTone(tonc,mid); break;
                case 2: treb += aValue; setTone(tonc,treb); break;
                case 3: tampil = 0; 
                  lcd.print(F("Back            ")); 
                  lcd.setCursor(9,0);
                  lcd.print(F("       ")); 
                break; 
              }
              //if (subMenu>=0 && subMenu<=2) updateLCD(); 
            }
            break;
    case 5: //trim volume
            if (tampil==0){ 
              trimvol += aValue; 
              if (trimvol < 0) trimvol = 0;
              if (trimvol > 6) trimvol = 6;
            }

            lcd.setCursor(0,0); 
            lcd.print(F("TRIM VOL"));
            lcd.setCursor(8,1); 
            if (tampil==1){if (trimvol!=6) lcd.print(F(">"));}
            else if (trimvol!=6) lcd.print(F("<"));
            lcd.setCursor(0,1);   

            //selected tone control
            if (tampil==1){
              switch (trimvol){
                case 0: fl+=aValue; setTrim(trimvol,fl); break;
                case 1: fr+=aValue; setTrim(trimvol,fr); break;
                case 2: cn+=aValue; setTrim(trimvol,cn); break;
                case 3: rl+=aValue; setTrim(trimvol,rl); break;
                case 4: rr+=aValue; setTrim(trimvol,rr); break;
                case 5: sub+=aValue; setTrim(trimvol,sub); break;
                case 6: tampil=0; 
                  lcd.print(F("Back            ")); 
                  lcd.setCursor(9,0);
                  lcd.print(F("       ")); 
                break;
              }
              lcd.setCursor(12,0); lcd.print(F(" "));
              lcd.setCursor(12,1); lcd.print(F(" "));
              //if (subMenu>=0 && subMenu<=5) updateLCD(); 
            }
            break;
    case 6:
            if (tampil==0){ 
              func += aValue; 
              if (func > 3) func=3; 
              if (func < 0) func=0; 
            }
            if (tampil==1){
              subMenu = func;
              switch (subMenu){
                case 0: d3+=aValue; break;            
                case 1: tonec+=aValue; break;            
                case 2: mute+=aValue; break;            
                case 3: tampil=0; break;
              }              
              if (subMenu>=0 && subMenu<=2){setFunc(); updateLCD();}
            }
            break;
    case 7:
            if (tampil==0){ 
              teschannel+=aValue; 
              if (teschannel > 1) teschannel=0; 
              if (teschannel < 0) teschannel=1; 
            }
            if (tampil==1){
              subMenu = teschannel;
              switch (subMenu){
                case 0: channel+=aValue; setChannel(); updateLCD(); break;
                case 1: tampil=0; break;
              }
            }
            break;
  }
}

void input(int smenu){
  lcd.setCursor(0,0); 
  switch (smenu){
    case 0: lcd.print(F("OP1")); break;
    case 1: lcd.print(F("OP2 ")); break;
    case 2: lcd.print(F("AUX")); break;
  }  
}

void equa(int smenu){
  lcd.setCursor(13,0); 
  switch (smenu){
    case 0: lcd.print(F("CUS")); break;
    case 1: lcd.print(F("POP")); break;
    case 2: lcd.print(F("ROC")); break;
    case 3: lcd.print(F("CLA")); break;
    case 4: lcd.print(F("DEF")); break;
  }
}

void spmode(int smenu){
  lcd.setCursor(13,1);
  switch (smenu){
    case 0: lcd.print(F("2.1")); break;
    case 1: lcd.print(F("5.1")); break;
  }
}

//pt2322 set volume .......
void setVolume(){
  if (volume > 79) volume=79;
  if (volume < 29) volume=29; 
  if (volume==29) pt2322.setFunction(1,d3,tonec);  
  else pt2322.setFunction(mute,d3,tonec);
  pt2322.setVolume(volume);
}

void setTrim(int i, int val){
  if (val > 15) val=15;
  if (val < 0) val=0; 
  if (menu==5){
    switch (trimvol){
      case 0: lcd.print(F("Front L ")); break;          
      case 1: lcd.print(F("Front R ")); break;
      case 2: lcd.print(F("Center  ")); break;
      case 3: lcd.print(F("Rear L  ")); break;
      case 4: lcd.print(F("Rear R  ")); break;
      case 5: lcd.print(F("Subwofer")); break;
    }
    bigNumer(val,9);  
  }
  switch (trimvol){
    case 0: pt2322.setFrontLeft(val); break;          
    case 1: pt2322.setFrontRight(val); break;
    case 2: pt2322.setCenter(val); break;
    case 3: pt2322.setRearLeft(val); break;
    case 4: pt2322.setRearRight(val); break;
    case 5: pt2322.setSubwoofer(val); break;
  }
  bigNumer(val,9);  
}

//pt2322 set function
void setFunc(){
  if (d3 > 1) d3=1;
  if (d3 < 0) d3=0; 
  if (tonec > 1) tonec=1;
  if (tonec < 0) tonec=0;
  if (mute > 1){ mute=1; }
  if (mute < 0){ mute=0; }
  pt2322.setFunction(mute,d3,tonec);  
}

void setTone(int i, int val){
  if (val > 15) val=15;
  if (val < 0) val=0;
  if (menu==4){
    switch (tonc){
      case 0: lcd.print(F("Bass   ")); bass_1=val; equ=0; break;
      case 1: lcd.print(F("Middle ")); mid_1=val; equ=0; break;
      case 2: lcd.print(F("Treble ")); treb_1=val; equ=0; break;
    }
    bigNumer(val,9); 
  }
  switch (tonc){
    case 0: pt2322.setBass(val); break;
    case 1: pt2322.setMiddle(val); break;
    case 2: pt2322.setTreble(val); break;
  }
}

//pt2323 setting ............
void setInput(){
  if (digitalRead(In_OP1)==LOW && digitalRead(In_OP2)==HIGH && digitalRead(In_AUX)==HIGH) inp=0;
  else if (digitalRead(In_OP1)==HIGH && digitalRead(In_OP2)==LOW && digitalRead(In_AUX)==HIGH) inp=1;
  else if (digitalRead(In_OP1)==HIGH && digitalRead(In_OP2)==HIGH && digitalRead(In_AUX)==LOW) inp=2;
}

void setEqu(){
  if (equ > 4) equ=4;          
  if (equ < 0) equ=0; 
  switch(equ) {
    case 0: bass=bass_1; mid=mid_1; treb=treb_1; break; // custom
    case 4: bass=7; mid=7; treb=7; break;   // default
    case 1: bass=4; mid=10; treb=5; break;  // Pop
    case 2: bass=11; mid=5; treb=12; break; // Rock
    case 3: bass=7; mid=7; treb=5; break;   // Classic
  }
  setTone(0,bass);
  setTone(1,mid);
  setTone(2,treb);
}

void setSmode(){
  if (smode > 1) smode=1;
  if (smode < 0) smode=0; 
  switch(smode){
    case 0: // 2.1 (fl,fr,sub=on,       cn,rl,rr=off) 
      flm=fl; frm=fr; rlm=0; rrm=0; cnm=0; subm=sub;
      break;  
    case 1: // 5.1 (fl,fr,cn,rl,rr,sub=on)      
      flm=fl; frm=fr; rlm=rl; rrm=rr; cnm=cn; subm=sub;
      break;
  }
  pt2322.setFrontLeft(flm);
  pt2322.setFrontRight(frm);
  pt2322.setRearLeft(rlm);
  pt2322.setRearRight(rrm);
  pt2322.setCenter(cnm);
  pt2322.setSubwoofer(subm);
}

void setChannel(){
  if (channel > 6) channel=6;
  if (channel < 0) channel=0;
  switch(channel){
    case 0: // front left   (fl=on,   fr,sub,cn,rl,rr=off) 
      flm=fl; frm=0; rlm=0; rrm=0; cnm=0; subm=0;
      break;;  
    case 1: // front right  (fr=on,   fl,cn,sub,rl,rr=off)      
      flm=0; frm=fr; rlm=0; rrm=0; cnm=0; subm=0;
      break;
    case 4: // rear right   (rr=on,   fl,fr,cn,rl,sub=off)      
      flm=0; frm=0; rlm=0; rrm=rr; cnm=0; subm=0;
      break;
    case 3: // rear left    (rr=on,   fl,fr,cn,rl,sub=off)      
      flm=0; frm=0; rlm=rl; rrm=0; cnm=0; subm=0;
      break;
    case 2: // center       (cn=of,   fl,fr,rl,rr,sub=off)      
      flm=0; frm=0; rlm=0; rrm=0; cnm=cn; subm=0;
      break;
    case 5: // subwoofer    (sub=on,  fl,fr,cn,rl,rr=off)      
      flm=0; frm=0; rlm=0; rrm=0; cnm=0; subm=sub;
      break;
    case 6: // All          (sub,fl,fr,cn,rl,rr=on)      
      flm=fl; frm=fr; rlm=rl; rrm=rr; cnm=cn; subm=sub;
      break;
  }
  pt2322.setFrontLeft(flm);
  pt2322.setFrontRight(frm);
  pt2322.setRearLeft(rlm);
  pt2322.setRearRight(rrm);
  pt2322.setCenter(cnm);
  pt2322.setSubwoofer(subm);
}

//-------------- sub remote control
void updateIR(){
  if (ir_on){
    if (power=1){
      switch (irrecv.decodedIRData.command){
        //volume master up
        case 72: menu=0; up=true; updateRotary();  
        //volume master down
        case 73: menu=0; down=true; updateRotary();  
        case 19:
          if (tampil==0){
            //menu=0; up=true; updateRotary();  
          } else if (tampil==1){
              switch(menu){
                case 4: if (tonc>=0 && tonc<=2){up=true; updateRotary();}  break;
                case 5: if (trimvol>=0 && trimvol<=5){up=true; updateRotary();}  break;
                case 6: if (func>=0 && func<=2){up=true; updateRotary();}  break;
              }
          }
          break;
        case 20:
          if (tampil==0){
            //menu=0; down=true; updateRotary();  
          } else if (tampil==1){
              switch(menu){
                case 4: if (tonc>=0 && tonc<=2){down=true; updateRotary();}  break;
                case 5: if (trimvol>=0 && trimvol<=5){down=true; updateRotary();}  break;
                case 6: if (func>=0 && func<=2){down=true; updateRotary();}  break;
              }
          }
          break;
        //Bass nomer 1
        case 2: if (menu==7){lcd.clear(); channel=6; setChannel();} 
          menu=4; tampil=1; tonc=0; 
          break;
        //middle nomer 2
        case 3: if (menu==7){lcd.clear(); channel=6; setChannel();} 
          menu=4; tampil=1; tonc=1; 
          break;
        //treble nomer 3
        case 4: if (menu==7){lcd.clear(); channel=6; setChannel();} 
          menu=4; tampil=1; tonc=2; 
          break;
        //trim front left nomer 4
        case 5: if (menu==7){lcd.clear(); channel=6; setChannel();} 
          menu=5; tampil=1; trimvol=0; 
          break;
        //trim front right nomer 5
        case 6: if (menu==7){lcd.clear(); channel=6; setChannel();} 
          menu=5; tampil=1; trimvol=1; 
          break;
        //trim center nomer 6
        case 7: if (menu==7){lcd.clear(); channel=6; setChannel();} 
          menu=5; tampil=1; trimvol=2; 
          break;
        //trim rear left nomer 7
        case 8: if (menu==7){lcd.clear(); channel=6; setChannel();} 
          menu=5; tampil=1; trimvol=3; 
          break;
        //trim rear right nomer 8
        case 9: if (menu==7){lcd.clear(); channel=6; setChannel();} 
          menu=5; tampil=1; trimvol=4; 
          break;
        //trim subwoofer nomer 9
        case 10: if (menu==7){lcd.clear(); channel=6; setChannel();} 
          menu=5; tampil=1; trimvol=5; 
          break;
        //back/home
        case 67: menu=0; tampil=0; lcd.clear(); break;
        //menu  
        case 22:
          menu++; 
          if (menu>=4 && menu<=8) {
            lcd.clear(); if (menu>7) menu=0; 
          }
          updateLCD();
          break;
        //<<
        case 17: menu=7; tampil=1; teschannel=0; down=true; updateRotary(); break;
        //>>
        case 18: menu=7; tampil=1; teschannel=0; up=true; updateRotary(); break;
        //power
        case 0: if (power==1) power=0; 
          menu=100; power_up();
          break;
      }
      ir_cl();
      return_delay();
    } else {

    }
  } else {
      if (irrecv.decodedIRData.command==0){
        power=1; power_up();
      }
  }
}

//eeprom --------------------------------------------------------------------------------//
void eeprom_update(){
  EEPROM.update(0, volume);
  EEPROM.update(1, inp);
  EEPROM.update(2, equ);
  EEPROM.update(3, smode);
  EEPROM.update(4, bass);
  EEPROM.update(5, mid);
  EEPROM.update(6, treb);
  EEPROM.update(7, fl);
  EEPROM.update(8, fr);
  EEPROM.update(9, cn);
  EEPROM.update(10, rl);
  EEPROM.update(11, rr);
  EEPROM.update(12, sub);
  EEPROM.update(13, d3);
  EEPROM.update(14, tonec);
}

void eeprom_read(){
  volume=EEPROM.read(0); 
  inp=EEPROM.read(1);
  equ=EEPROM.read(11);
  smode=EEPROM.read(12);
  bass=EEPROM.read(2);
  mid=EEPROM.read(3);
  treb=EEPROM.read(4);
  fl=EEPROM.read(5);
  fr=EEPROM.read(6);
  cn=EEPROM.read(7);
  rl=EEPROM.read(8);
  rr=EEPROM.read(9);
  sub=EEPROM.read(10);
  d3=EEPROM.read(11);
  tonec=EEPROM.read(12);
}
//end code 
/*

int uValue=0;
unsigned long currentMillis = 0;
boolean ret = false;
void updateValue(){
  int aValue=0;
  
  //subMenu = 0;
  
  if (up){ up=false; aValue=1; }
  if (down){ down=false; aValue=-1; }

/* buat ngetes .......
  switch(menu){
    //menu=0, tampil=0, uvalue=0 .. 79
    case 0: volume += aValue; uValue = volume; //setVolume(); //Master Volume
            break;
    //menu=1, tampil=0, uvalue=0 .. 2
    case 1: inp += aValue; uValue = inp; setInput(); //input selected
            break;
    //menu=2, tampil=0, uvalue=0 .. 4
    case 2: equ += aValue; uValue = equ; setEqu(); //set equaliser
            break;
    //menu=3, tampil=0, uvalue=0 .. 1
    case 3: smode += aValue; uValue = smode; setSmode(); //set mode 2.1 / 5.1
            break;
    //menu=4, tampil=0, uvalue=0 .. 3
    //menu=4, tampil=1, uvalue=-14 .. 14
    case 4: //tone control select
            if (tampil==0){ 
              tonc += aValue; uValue = tonc;
              if (tonc < 0) tonc = 3;
              if (tonc > 3) tonc = 0;
            }
            //selected tone control
            if (tampil==1){
              subMenu = tonc;
              switch (subMenu){
                case 0: bass += aValue; uValue = bass; setBass(); break;
                case 1: mid += aValue; uValue = mid; setMiddle(); break;
                case 2: treb += aValue; uValue = treb; setTreble(); break;
                case 3: tampil = 0; break; 
              }
            }
            break;
    case 5: //trim volume
            if (tampil==0){ 
              trimvol += aValue; uValue = trimvol;
              if (trimvol < 0) trimvol = 6;
              if (trimvol > 6) trimvol = 0;
            }
            //selected tone control
            if (tampil==1){
              subMenu = trimvol;
              switch (subMenu){
                case 0: fl+=aValue; uValue = fl; setFrontLeft(); break;
                case 1: fr+=aValue; uValue = fr; setFrontRight(); break;
                case 2: cn+=aValue; uValue = cn; setCenter(); break;
                case 3: rl+=aValue; uValue = rl; setRearLeft(); break;
                case 4: rr+=aValue; uValue = rr; setRearRight(); break;
                case 5: sub+=aValue; uValue = sub; setSubwoofer(); break;
                case 6: tampil=0; break;
              }
            }
            break;
    case 6:
            if (tampil==0){ 
              func += aValue; uValue = func;
              if (func > 3) func=0; 
              if (func < 0) func=3; 
            }
            if (tampil==1){
              subMenu = func;
              switch (subMenu){
                case 0: d3+=aValue; uValue = d3; break;            
                case 1: tonec+=aValue; uValue = tonec; break;            
                case 2: mute+=aValue; uValue = mute; break;            
                case 3: tampil=0; break;
              }
              setFunc();
            }
            break;
    case 7:
            if (tampil==0){ 
              teschannel+=aValue; uValue = teschannel;
              if (teschannel > 1) teschannel=0; 
              if (teschannel < 0) teschannel=1; 
            }
            if (tampil==1){
              subMenu = teschannel;
              switch (subMenu){
                case 0: channel+=aValue; uValue = channel; setChannel(); break;
                case 1: tampil=0; break;
            }
            break;
      }


  }

  lcd.setCursor(0,0); lcd.print(F("Menu: "));
  lcd.setCursor(5,0); lcd.print(menu);

  lcd.setCursor(0,1); lcd.print(F("SMenu: "));
  lcd.setCursor(6,1); lcd.print(subMenu);

  lcd.setCursor(8,0); lcd.print(F("Tampil: "));
  lcd.setCursor(15,0); lcd.print(tampil);

  lcd.setCursor(8,1); lcd.print(F("Value: "));
  lcd.setCursor(15,1); lcd.print(uValue);
*/


void btn_cl() {
  delay(btn_delay);
  time=millis();
  return_d=1;
}

void ir_cl() {
  time=millis();
  return_d=1;
}

void return_delay() {
  if (millis() - time > 10000 && return_d==1 && menu != 0 && mute==0) {
    menu=0;
    tampil=0;
    subMenu=0;    
    return_d=0;
    lcd.clear();
  }
}


/*
TOMBOL		
POWER	  Protocol=NEC Address=0xBF00 Command=0x0 Raw-Data=0xFE01BF00 32 bits LSB first	  16580863 FD00FF
MUTE	  Protocol=NEC Address=0xBF00 Command=0x1 Raw-Data=0xFE01BF00 32 bits LSB first	  16613503 FD807F
1	      Protocol=NEC Address=0xBF00 Command=0x2 Raw-Data=0xFD02BF00 32 bits LSB first	  16597183 FD40BF
2	      Protocol=NEC Address=0xBF00 Command=0x3 Raw-Data=0xFC03BF00 32 bits LSB first	  16629823 FDC03F
3	      Protocol=NEC Address=0xBF00 Command=0x4 Raw-Data=0xFB04BF00 32 bits LSB first	  16589023 FD20DF
4	      Protocol=NEC Address=0xBF00 Command=0x5 Raw-Data=0xFA05BF00 32 bits LSB first	  16621663 FDA05F
5	      Protocol=NEC Address=0xBF00 Command=0x6 Raw-Data=0xF906BF00 32 bits LSB first	  16605343 FD609F
6	      Protocol=NEC Address=0xBF00 Command=0x7 Raw-Data=0xF807BF00 32 bits LSB first	  16637983 FDE01F
7	      Protocol=NEC Address=0xBF00 Command=0x8 Raw-Data=0xF708BF00 32 bits LSB first	  16584943 FD10EF
8	      Protocol=NEC Address=0xBF00 Command=0x9 Raw-Data=0xF609BF00 32 bits LSB first	  16617583 FD906F
9	      Protocol=NEC Address=0xBF00 Command=0xA Raw-Data=0xF50ABF00 32 bits LSB first	  16601263 FD50AF
-/--	  Protocol=NEC Address=0xBF00 Command=0xB Raw-Data=0xF40BBF00 32 bits LSB first	  16633903 FDD02F
0	      Protocol=NEC Address=0xBF00 Command=0xC Raw-Data=0xF30CBF00 32 bits LSB first	  16593103 FD30CF
REPEAT	Protocol=NEC Address=0xBF00 Command=0xD Raw-Data=0xF20DBF00 32 bits LSB first	  16625743 FDB04F
P.MODE	Protocol=NEC Address=0xBF00 Command=0x41 Raw-Data=0xBE41BF00 32 bits LSB first	16614013 FD827D
S.MODE	Protocol=NEC Address=0xBF00 Command=0x42 Raw-Data=0xBD42BF00 32 bits LSB first	16597693 FD42BD
ZOOM	  Protocol=NEC Address=0xBF00 Command=0x44 Raw-Data=0xBB44BF00 32 bits LSB first	16589533 FD22DD
INFO	  Protocol=NEC Address=0xBF00 Command=0x40 Raw-Data=0xBF40BF00 32 bits LSB first	16581373 FD02FD
HOME	  Protocol=NEC Address=0xBF00 Command=0x43 Raw-Data=0xBC43BF00 32 bits LSB first	16630333 FDC23D
LEFT	  Protocol=NEC Address=0xBF00 Command=0x11 Raw-Data=0xEE11BF00 32 bits LSB first	16615543 FD8877
RIGHT	  Protocol=NEC Address=0xBF00 Command=0x12 Raw-Data=0xED12BF00 32 bits LSB first	16599223 FD48B7
UP	    Protocol=NEC Address=0xBF00 Command=0x13 Raw-Data=0xEC13BF00 32 bits LSB first	16631863 FDC837
ENTER	  Protocol=NEC Address=0xBF00 Command=0x10 Raw-Data=0xEF10BF00 32 bits LSB first	16582903 FD08F7
DOWN	  Protocol=NEC Address=0xBF00 Command=0x14 Raw-Data=0xEB14BF00 32 bits LSB first	16591063 FD28D7
MENU	  Protocol=NEC Address=0xBF00 Command=0x16 Raw-Data=0xE916BF00 32 bits LSB first	16607383 FD6897
EXIT	  Protocol=NEC Address=0xBF00 Command=0x15 Raw-Data=0xEA15BF00 32 bits LSB first	16623703 FDA857
VOL +	  Protocol=NEC Address=0xBF00 Command=0x48 Raw-Data=0xB748BF00 32 bits LSB first	16585453 FD12ED
VOL -	  Protocol=NEC Address=0xBF00 Command=0x49 Raw-Data=0xB649BF00 32 bits LSB first	16618093 FD926D
INPUT	  Protocol=NEC Address=0xBF00 Command=0xF Raw-Data=0xF00FBF00 32 bits LSB first	  16642063 FDF00F
EPG	    Protocol=NEC Address=0xBF00 Command=0x62 Raw-Data=0x9D62BF00 32 bits LSB first	16598713 FD46B9
AUDIO	  Protocol=NEC Address=0xBF00 Command=0x61 Raw-Data=0x9E61BF00 32 bits LSB first	16615033 FD8679
CH +	  Protocol=NEC Address=0xBF00 Command=0x4A Raw-Data=0xB54ABF00 32 bits LSB first	16601773 FD52AD
CH -	  Protocol=NEC Address=0xBF00 Command=0x4B Raw-Data=0xB44BBF00 32 bits LSB first	16634413 FDD22D
*/