#include <MD_MAX72xx.h>
#include <SPI.h>


// matrix calculator ---> https://xantorohara.github.io/led-matrix-editor/#8142241818244281|0285483030488502|040a916060910a04|081422c1c1221408|1028448383442810|2050890606895020|40a1120c0c12a140


//experimentação  matriz led


#define pinDIN 6
#define pinCLK 5
#define pinCS 4
#define pinBUTT1 7
#define pinBUTT2 8

#define MAX_DEVICES  2

#define controlRequest_t


MD_MAX72XX lc = MD_MAX72XX(pinDIN, pinCLK, pinCS, 2 );


int i = 0;



const byte IMAGES[][8] = {
{
  B10000001,  B01000010,  B00100100,  B00011000,
  B00011000,  B00100100,  B01000010,  B10000001
},{
  B01000010,  B10000001,  B01000010,  B00100100,
  B00011000,  B00011000,  B00100100,  B01000010
},{
  B00100100,  B01000010,  B10000001,  B01000010,
  B00100100,  B00011000,  B00011000,  B00100100
},{
  B00011000,  B00100100,  B01000010,  B10000001,
  B01000010,  B00100100,  B00011000,  B00011000
},{
  B00011000,  B00011000,  B00100100,  B01000010,
  B10000001,  B01000010,  B00100100,  B00011000
},{
  B00100100,  B00011000,  B00011000,  B00100100,
  B01000010,  B10000001,  B01000010,  B00100100
},{
  B01000010,  B00100100,  B00011000,  B00011000,
  B00100100,  B01000010,  B10000001,  B01000010
}};
const int IMAGES_LEN = sizeof(IMAGES)/8;



// -- Configurações iniciais do display --

void setup() {

  lc.controlRequest_t::SHUTDOWN (0, false);
  lc.MD_MAX72XX::INTENSITY(0, 4);
  lc.clear(0);

  pinMode(pinBUTT1, INPUT_PULLUP);
  pinMode(pinBUTT2, INPUT_PULLUP);



}
void displayImage(const byte * image) {
  for (int i = 0; i < 8; i++) {
    for (int j = 0; j < 8; j++) {
      lc.setLed(0, i, j, bitRead(image[i], 7 - j));
    }
  }
}

bool menu = false;

void loop() {
  if (digitalRead(pinBUTT1) == HIGH)
  {
    menu = !menu ;
    delay(250);
  }

  while (menu)
  {

    displayImage(IMAGES[i]);
    if (++i >= IMAGES_LEN ) {
      i = 0;
    }

    delay(50);
    if (digitalRead(pinBUTT1) == HIGH)
    {
      menu = !menu;
      delay(125);
    }
  }

}