#include <LedControl.h>  // Library untuk MAX7219 LED Matrix

// Pin definisi untuk TM1637
#define CLK 2  // Pin CLK TM1637
#define DIO 3  // Pin DIO TM1637

// Inisialisasi LedControl untuk MAX7219 LED Matrix
LedControl lc = LedControl(12, 11, 10, 1);  // DIN = 12, CLK = 11, CS = 10, 1 unit 8x8 matrix

// Emoticon byte array
byte smiley[8] = {
  B00111100,
  B01000010,
  B10100101,
  B10000001,
  B10100101,
  B10011001,
  B01000010,
  B00111100
};

byte sadFace[8] = {
  B00111100,
  B01000010,
  B10100101,
  B10000001,
  B10011001,
  B10100101,
  B01000010,
  B00111100
};

byte neutralFace[8] = {
  B00111100,
  B01000010,
  B10100101,
  B10000001,
  B10111101,
  B10000001,
  B01000010,
  B00111100
};

void setup() {
  // Setup LED Matrix
  lc.shutdown(0, false);  // Inisialisasi LED Matrix
  lc.setIntensity(0, 8);  // Atur kecerahan LED Matrix
  lc.clearDisplay(0);     // Bersihkan layar
}

void loop() {
  // Bagian Emoticon LED Dot Matrix
  displayEmoticon(smiley);
  delay(1000);
  displayEmoticon(sadFace);
  delay(1000);
  displayEmoticon(neutralFace);
  delay(1000);

  // Bagian TM1637 7-segment display (angka bergerak)
  for (int i = 0; i < 100; i++) {
    displayTM1637(i);
    delay(500);
  }
}

// Fungsi untuk menampilkan emoticon pada LED Matrix
void displayEmoticon(byte character[8]) {
  for (int i = 0; i < 8; i++) {
    lc.setRow(0, i, character[i]);
  }
}

// Fungsi untuk menampilkan angka di TM1637
void displayTM1637(int number) {
  int tens = number / 10;  // Hitung puluhan
  int units = number % 10; // Hitung satuan
  
  // Tampilkan puluhan
  sendToTM1637(tens);
  delay(5); // Delay antara tampilan
  // Tampilkan satuan
  sendToTM1637(units);
}

// Fungsi untuk mengirim data ke TM1637
void sendToTM1637(int value) {
  // Kirim data ke TM1637
  digitalWrite(CLK, LOW);  // Start signal
  digitalWrite(DIO, LOW);  // Set DIO low to send data

  // Kirim data
  for (int i = 0; i < 8; i++) {
    digitalWrite(CLK, LOW);  // Prepare clock signal
    digitalWrite(DIO, (value >> i) & 1); // Send bit
    digitalWrite(CLK, HIGH); // Send clock signal
  }

  digitalWrite(DIO, HIGH);  // Stop signal
}