#include <LedControl.h>

const int DIN_PIN = 12;
const int CS_PIN = 10;
const int CLK_PIN = 11;

const byte IMAGES[][8] = {
  {
    0b11111111,
    0b00000000,
    0b00000000,
    0b10000000,
    0b10000000,
    0b00000000,
    0b00000000,
    0b11111111
  }, {
    0b11111111,
    0b00000000,
    0b00000000,
    0b11000000,
    0b11000000,
    0b00000000,
    0b00000000,
    0b11111111
  }, {
    0b11111111,
    0b00000000,
    0b00000000,
    0b01100000,
    0b01100000,
    0b00000000,
    0b00000000,
    0b11111111
  }, {
    0b11111111,
    0b00000000,
    0b00000000,
    0b00110000,
    0b00110000,
    0b00000000,
    0b00000000,
    0b11111111
  }, {
    0b11111111,
    0b00000000,
    0b00000000,
    0b00011000,
    0b00011000,
    0b00000000,
    0b00000000,
    0b11111111
  }, {
    0b11111111,
    0b00000000,
    0b00000000,
    0b00001100,
    0b00001100,
    0b00000000,
    0b00000000,
    0b11111111
  }, {
    0b11111111,
    0b00000000,
    0b00000000,
    0b00000110,
    0b00000110,
    0b00000000,
    0b00000000,
    0b11111111
  }, {
    0b11111111,
    0b00000000,
    0b00000000,
    0b00000011,
    0b00000011,
    0b00000000,
    0b00000000,
    0b11111111
  }, {
    0b11111111,
    0b00000000,
    0b00000000,
    0b00000001,
    0b00000001,
    0b00000000,
    0b00000000,
    0b11111111
  }
};
const int IMAGES_LEN = sizeof(IMAGES) / 8;

LedControl display = LedControl(DIN_PIN, CLK_PIN, CS_PIN);

void setup() {
  display.clearDisplay(0);
  display.shutdown(0, false);
  display.setIntensity(0, 5);
}

int i = 0;

void loop() {
  displayImage(IMAGES[i]);
  if (++i >= IMAGES_LEN ) {
    i = 0;
  }
  delay(50);
}

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