#include <Adafruit_GFX.h>
#include <MD_Parola.h>
#include <MD_MAX72xx.h>

// Define the number of rows and columns for the matrix
#define MAX_DEVICES 1  // Set the number of 8x8 matrices you're using
Max72xxPanel matrix = Max72xxPanel(11, 13, 10, MAX_DEVICES);  // Pin numbers for DIN, CLK, LOAD

void setup() {
  matrix.setIntensity(5);  // Set brightness (0-15)
  matrix.setRotation(0);   // Set rotation (0-3)
  matrix.fillScreen(LOW);  // Turn off all LEDs initially
}

void loop() {
  // Example: Draw a simple pattern (a cross)
  matrix.clear();  // Clear the previous pattern

  matrix.drawLine(0, 0, 7, 7, HIGH);  // Diagonal line from top-left to bottom-right
  matrix.drawLine(7, 0, 0, 7, HIGH);  // Diagonal line from top-right to bottom-left

  delay(1000);  // Wait for 1 second

  matrix.clear();  // Clear the screen

  // Example: Create a checkerboard pattern
  for (int i = 0; i < 8; i++) {
    for (int j = 0; j < 8; j++) {
      if ((i + j) % 2 == 0) {
        matrix.drawPixel(i, j, HIGH);  // Draw a pixel (on)
      }
    }
  }

  delay(1000);  // Wait for 1 second

  matrix.clear();  // Clear the screen
}