#include <MD_MAX72xx.h>
#include "font_16x16.h"

const int baris = 2;
const int kolom = 15;

#define MAX_DEVICES (baris * kolom)

const int maxX = kolom * 8;
const int maxY = 8;

#define CLK_PIN 13
#define DATA_PIN 11
#define CS_PIN 10

MD_MAX72XX mx = MD_MAX72XX(MD_MAX72XX::PAROLA_HW, CS_PIN, MAX_DEVICES);

void setup() {
  Serial.begin(9600);
  mx.begin();
  mx.control(MD_MAX72XX::INTENSITY, MAX_INTENSITY / 2);
  mx.clear();
}

void loop() {
  tampilkanTeks(mx, "HSE BOARD  NPK PKC", 300);
  delay(50);
}

void tampilkanTeks(MD_MAX72XX &mx, const char *teks, uint16_t interval) {
  int16_t offsetX = 0;
  int16_t lastOffsetX;
  bool tampil=true;
  uint8_t lastKar = strlen(teks);
  int HurufKe;
  uint16_t buffer[9];
  //mx.clear();
  while (tampil){
    const char *ptr = teks;
    lastOffsetX = offsetX;
    int16_t currentOffsetX;
    mx.clear();
    unsigned long currentMillis = millis(); // Membaca waktu saat ini
    unsigned long previousMillis = currentMillis;
    for (uint8_t karI = 0; karI < lastKar; karI++) {
      HurufKe = ptr[karI]-65;
      currentOffsetX = lastOffsetX;
      int16_t posisiKol;
      bool ledNyala = true;
      uint8_t row = 0;
      for (int i = 0; i < LEBAR_TINGGI[HurufKe][1]; i++) {
        buffer[i] = pgm_read_word(&POLA_HURUF[HurufKe][i]);
      }
       
      while ((row <LEBAR_TINGGI[HurufKe][1]) && ledNyala) {
        uint8_t baris = 0;
        while ((baris<LEBAR_TINGGI[HurufKe][0])) {
          if ((buffer[row] >> (LEBAR_TINGGI[HurufKe][0] - 1 - baris)) & 0x01) {
            int16_t posisiKol = lastOffsetX - row;
            currentOffsetX = posisiKol;
            if (posisiKol >= 0 && posisiKol < maxX) {
              if (baris < 8)
                mx.setPoint(baris, posisiKol, true);
              else
                mx.setPoint(baris - 8, posisiKol + maxX, true);  
              if ((karI==(lastKar-1))&&(baris==(LEBAR_TINGGI[HurufKe][0]-1))){
                offsetX = 0;
              }
            } else {
              ledNyala=false;
              break;
              if ((karI==(lastKar-1))&&(baris==(LEBAR_TINGGI[HurufKe][0]-1))){
                tampil=false;
              } 
            }
          }
          baris++;
        }
        row++;
      }
      lastOffsetX = currentOffsetX-2;   
    }
    offsetX = offsetX+1;
    mx.update();
    while (currentMillis - previousMillis < interval) {
      currentMillis = millis();
    }
    previousMillis = currentMillis; 
    //delay(100);   
  }
}