#include <LedControl.h>

const int pinoBotao = 7; // Replace with the desired pin number
const int DIN = 12;
const int CS = 11;
const int CLK = 10;
const int rollDelay = 25;
const int maxRollSpeed = 1000;

LedControl lc = LedControl(DIN, CLK, CS, 4);

byte characters[][8] =  {
  {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},  
  {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03},  
  {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xC0},
  {0x00, 0x3C, 0x3C, 0x3C, 0x3C, 0x00, 0x00, 0x00},
  {0x00, 0x00, 0x00, 0x3C, 0x3C, 0x3C, 0x3C, 0x00},
  {0xC0, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
  {0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
  {0x00, 0x3C, 0x3C, 0x3C, 0x3C, 0x00, 0x03, 0x03},
  {0xC0, 0xC0, 0x00, 0x3C, 0x3C, 0x3C, 0x3C, 0x00},
  {0x00, 0x3C, 0x3C, 0x3C, 0x3C, 0x00, 0xC0, 0xC0},
  {0x03, 0x03, 0x00, 0x3C, 0x3C, 0x3C, 0x3C, 0x00},
  {0x00, 0x3C, 0x3C, 0x3C, 0x3C, 0x00, 0x3C, 0x3C},
  {0x3C, 0x3C, 0x00, 0x3C, 0x3C, 0x3C, 0x3C, 0x00}
};

int rollSpeed = 0;
bool rolando = false;
int lastPress = LOW;
//-------------------------------------------------------------------
void setup() {
  for (int i = 0; i <4; i++)
  {
  lc.shutdown(i, false);
  lc.setIntensity(i, 6);
  lc.clearDisplay(i);
  }
  pinMode(pinoBotao, INPUT_PULLUP);
  lastPress = digitalRead(pinoBotao);
}
//-------------------------------------------------------------------
void loop() {
  int estadoBotao = digitalRead(pinoBotao);

  if (estadoBotao == HIGH && lastPress == LOW) {
    rolando = true;
    rollSpeed = 0;
  }

  if (rollSpeed <= maxRollSpeed && rolando) {
    int valorDado = random(1, 7);
    //int valorDado = 6;
    printByte(valorDado);
    delay(rollDelay);
    rollSpeed += rollDelay;
  } else if (rolando) {
    rolando = false;
  }
  lastPress = estadoBotao;
}
//-------------------------------------------------------------------
void printByte(int valorDado) {
  switch (valorDado) {
    case 1:
      for (int i = 0; i < 8; i++) {
        lc.setRow(0, i, characters[1][i]);
        lc.setRow(1, i, characters[2][i]);
        lc.setRow(2, i, characters[6][i]);
        lc.setRow(3, i, characters[5][i]);
      }
      break;
    case 2:
      for (int i = 0; i < 8; i++) {
        lc.setRow(0, i, characters[3][i]);
        lc.setRow(1, i, characters[0][i]);
        lc.setRow(2, i, characters[0][i]);
        lc.setRow(3, i, characters[4][i]);
      }
      break;
    case 3:
      for (int i = 0; i < 8; i++) {
        lc.setRow(0, i, characters[7][i]);
        lc.setRow(1, i, characters[2][i]);
        lc.setRow(2, i, characters[6][i]);
        lc.setRow(3, i, characters[8][i]);
      }
      break;
    case 4:
      for (int i = 0; i < 8; i++) {
        lc.setRow(0, i, characters[3][i]);
        lc.setRow(1, i, characters[3][i]);
        lc.setRow(2, i, characters[4][i]);
        lc.setRow(3, i, characters[4][i]);
      }
      break;
    case 5:
      for (int i = 0; i < 8; i++) {
        lc.setRow(0, i, characters[7][i]);
        lc.setRow(1, i, characters[9][i]);
        lc.setRow(2, i, characters[10][i]);
        lc.setRow(3, i, characters[8][i]);
      }
      break;
    case 6:
      for (int i = 0; i < 8; i++) {
        lc.setRow(0, i, characters[11][i]);
        lc.setRow(1, i, characters[11][i]);
        lc.setRow(2, i, characters[12][i]);
        lc.setRow(3, i, characters[12][i]);
      }
      break;
    default:
      break;
  }
}