#include <LedControl.h>

// Pin 12:Data in, Pin 11: Clock, Pin 10: CS(Load)
LedControl display = LedControl(12, 11, 10, 1);

// Up and down arrow bitmap data
const uint64_t UP_DOWN_IMAGES[] = {
  /*0x0000000000000000,
  0x0000000000000000,
  0x000000000000000,
  0x0000000000000000,
  0x0000000000000000,
  0x0000000100000000,
  0x0000010301000000,
  0x0001030703010000,
  0x0103070f07030100,
  0x02060f1f0f060200,
  0x040c1f3f1f0c0400,
  0x08183f7f3f180800,
  0x08183f7f3f180800,
  0x10307fff7f301000,
  0x2060fefefe602000,
  0x40c0fcfcfcc04000,
  0x8080f8f8f8808000,
  0x0000f0f0f0000000,
  0x0000e0e0e0000000,
  0x0000c0c0c0000000,
  0x0000808080000000,
  0x0000000000000000,*/

  0x0000000000000000,
  0x0000000000000000,
  0x0000000000000000,
  0x0000008000000000,
  0x000080c080000000,
  0x0080c0e0c0800000,
  0x80c0e0f0e0c08000,
  0x2030f8fcf8302000,
  0x1018fcfefc181000,
  0x000000ff00000000,
  0x0000008000000000,
};
const int UP_DOWN_IMAGES_LEN = sizeof(UP_DOWN_IMAGES) / sizeof(UP_DOWN_IMAGES[0]);

void setup() {
  display.clearDisplay(0);      // Clear screen
  display.shutdown(0, false);   // Turn off power saving mode
  display.setIntensity(0, 10);  // Set the brightness (between 0 and 15)
}

// Function to display a bitmap image
void displayImage(uint64_t image) {
  for (int i = 0; i < 8; i++) {
    byte row = (image >> i * 8) & 0xFF;
    for (int j = 0; j < 8; j++) {
      display.setLed(0, i, j, bitRead(row, j));
    }
  }
}

void loop() {
  // Display arrow moving up
  for (int i = 0; i < UP_DOWN_IMAGES_LEN; i++) {
    displayImage(UP_DOWN_IMAGES[i]);
    delay(400);
  }
  /*
  // Display arrow moving down
  for (int i = UP_DOWN_IMAGES_LEN - 2; i > 0; i--) {
    displayImage(UP_DOWN_IMAGES[i]);
    delay(400);
  }*/

  displayImage(UP_DOWN_IMAGES[1]);
}