//Library ----------------------------------------------
#include <LiquidCrystal_I2C.h>
#include <Wire.h>
//------------------------------------------------------

//Define Pin -------------------------------------------
#define pinLed1 12
#define pinLed2 11
#define pinLed3 10
#define pinLed4 9
#define pinButton1 8
#define pinButton2 7
#define pinClock 6
#define pinData 5
#define pinLatch 4
#define pinClockLed 3
#define pinDataLed 2
#define pinLatchLed 13
//------------------------------------------------------

//Fungsi Macro -----------------------------------------
#define led1(x) digitalWrite(pinLed1, x)
#define led2(x) digitalWrite(pinLed2, x)
#define led3(x) digitalWrite(pinLed3, x)
#define led4(x) digitalWrite(pinLed4, x)

#define clockSeg(x) digitalWrite(pinClock, x)
#define dataSeg(x) digitalWrite(pinData, x)
#define latchSeg(x) digitalWrite(pinLatch, x)

#define clockLed(x) digitalWrite(pinClockLed, x)
#define dataLed(x) digitalWrite(pinDataLed, x)
#define latchLed(x) digitalWrite(pinLatchLed, x)

#define button1 digitalRead(pinButton1)
#define button2 digitalRead(pinButton2)
//------------------------------------------------------

//Set alamat I2C dan ukuran LCD ------------------------
LiquidCrystal_I2C lcd(0x27,16,2);
//------------------------------------------------------

//Variabel ---------------------------------------------
uint8_t arraySegment[10] = {
  0b00000011, //0
  0b10011111, //1
  0b00100101, //2
  0b00001101, //3
  0b10011001, //4
  0b01001001, //5
  0b01000001, //6
  0b00011111, //7
  0b00000001, //8
  0b00001001 //9
};
uint8_t menu = 0;
uint8_t dataButton1 = 0;
uint8_t dataButton2 = 0;
uint8_t k1 = 0;
uint8_t k2 = 0;
uint8_t masukMenu = 0;
uint8_t masukMenu2 = 0;
uint8_t runningKn = 0;
uint8_t runningKr = 0;
uint8_t counterUp = 0;

void setup(){
  pinMode(pinLed1, OUTPUT);
  pinMode(pinLed2, OUTPUT);
  pinMode(pinLed3, OUTPUT);
  pinMode(pinLed4, OUTPUT);
  pinMode(pinButton1, INPUT);
  pinMode(pinButton2, INPUT);
  pinMode(pinClock, OUTPUT);
  pinMode(pinData, OUTPUT);
  pinMode(pinLatch, OUTPUT);
  pinMode(pinClockLed, OUTPUT);
  pinMode(pinDataLed, OUTPUT);
  pinMode(pinLatchLed, OUTPUT);
  Serial.begin(9600);
  lcd.init();
  lcd.backlight();
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("SMKN 39 JAKARTA ");
  lcd.setCursor(0,1);
  lcd.print("  ELECTRONICS   ");
  delay(3000);
  lcd.clear();
  counterUp = 1;
}

void loop(){
  lcd.setCursor(0,0);
  lcd.print("Tekan Button 1  ");
  lcd.setCursor(0,1);
  lcd.print("Untuk Pilih Menu");

  dataButton1 = digitalRead(pinButton1);
  dataButton2 = digitalRead(pinButton2);

  if(dataButton1 == 1 && k1 == 0){
    k1 = 1;
  };
  if(dataButton1 == 0 && k1 == 1){
    //program
    masukMenu = 1;
    menu = 1;
    lcd.clear();
    k1 = 0;
  };
  if(dataButton2 == 0 && k2 == 0){
    k1 = 1;
  };
  if(dataButton2 == 1 && k2 == 1){
    //program
    k2 = 0;
  };

  while(masukMenu == 1){
    dataButton1 = digitalRead(pinButton1);
    dataButton2 = digitalRead(pinButton2);
    if(dataButton1 == 1 && k1 == 0){
      k1 = 1;
    };
    if(dataButton1 == 0 && k1 == 1){
      //program
      menu++;
      if(menu > 4){
        menu = 1;
      };
      k1 = 0;
    };
    if(dataButton2 == 0 && k2 == 0){
      k2 = 1;
    };
    if(dataButton2 == 1 && k2 == 1){
      //program
      masukMenu2 = 1;
      k2 = 0;
    };
    lcd.setCursor(0,0);
    lcd.print("Menu Selector : ");
    lcd.setCursor(0,1);
    lcd.print("Menu - ");
    lcd.print(menu);

    while(masukMenu2){
      switch(menu){
        case 1:
          menu1();
        break;
        case 2:

        break;
        case 3:
          menu3();
        break;
        case 4:

        break;
        default:

        break;
      };
    };
  };
}

void menu1(){
  lcd.setCursor(0,0);
  lcd.print("Menu - 1        ");
  lcd.setCursor(0,1);
  lcd.print("Running LED Kn  ");
  digitalWrite(pinLed1, 1);
  runningKn++;
  if(runningKn > 8){
    runningKn = 1;
  };
  shiftRegLed(runningKn);
  shiftRegSeg(runningKn);
  delay(500);
}
void menu2(){

}
void menu3(){
  dataButton1 = digitalRead(pinButton1);
  if(dataButton1 == 1 && k1 == 0){
    k1 = 1;
  };
  if(dataButton1 == 0 && k1 == 1){
    //program
    counterUp++;
    if(counterUp > 8){
      counterUp = 1;
    };
    k1 = 0;
  };
  lcd.setCursor(0,0);
  lcd.print("Menu - 3        ");
  lcd.setCursor(0,1);
  lcd.print("Counter UP : ");
  lcd.print(counterUp);
  shiftRegLed(counterUp);
  shiftRegSeg(counterUp);
  digitalWrite(pinLed3, 1);
}
void menu4(){

}

void shiftRegLed(uint8_t dataLed){
  for(uint8_t i = 0; i<8; i++){
    digitalWrite(pinDataLed, ((1 << (8 - dataLed))>>i)&1);
    digitalWrite(pinClockLed, 0);
    digitalWrite(pinClockLed, 1);
  };
  digitalWrite(pinLatchLed, 0);
  digitalWrite(pinLatchLed, 1);
}
void shiftRegSeg(uint8_t dataSeg){
  for(uint8_t i = 0; i<8; i++){
    digitalWrite(pinData, (arraySegment[dataSeg] >> i)&1);
    digitalWrite(pinClock, 0);
    digitalWrite(pinClock, 1);
  };
  digitalWrite(pinLatch, 0);
  digitalWrite(pinLatch, 1);
}