LEDArrayVisualizer.h

#ifndef LED_ARRAY_VISUALIZER_H
#define LED_ARRAY_VISUALIZER_H

#include <MD_MAX72xx.h>

class LEDArrayVisualizer {
public:
  LEDArrayVisualizer(uint8_t dataPin, uint8_t clkPin, uint8_t csPin, uint8_t numDevices);
  void begin();
  void displayArray(int arr[8][8]);
  void clear();

private:
  MD_MAX72XX mx;
};

LEDArrayVisualizer::LEDArrayVisualizer(uint8_t dataPin, uint8_t clkPin, uint8_t csPin, uint8_t numDevices)
  : mx(MD_MAX72XX::FC16_HW, dataPin, clkPin, csPin, numDevices) {}

void LEDArrayVisualizer::begin() {
  mx.begin();
  mx.control(MD_MAX72XX::INTENSITY, 0);
  mx.clear();
}

void LEDArrayVisualizer::displayArray(int arr[8][8]) {
  for (uint8_t row = 0; row < 8; row++) {
    for (uint8_t col = 0; col < 8; col++) {
      mx.setPoint(row, col, arr[row][col] != 0);
    }
  }
  mx.update();
}

void LEDArrayVisualizer::clear() {
  mx.clear();
  mx.update();
}

#endif