#include "LedControl.h"

// Define the pin for the potentiometer input
const int potPin = A0;

// Define the threshold value for determining high or low
const int threshold = 512; // Adjust this value based on your needs

// Define the pins for the LED matrix
const int DIN = 12;
const int CS = 10;
const int CLK = 11;

// Create a LedControl object
LedControl lc = LedControl(DIN, CLK, CS, 1);

void setup() {
  // Initialize serial communication at 9600 bits per second
  Serial.begin(9600);
  
  // Initialize the LED matrix
  lc.shutdown(0, false);       // Wake up the display
  lc.setIntensity(0, 8);       // Set brightness level (0 is min, 15 is max)
  lc.clearDisplay(0);          // Clear display register
}

void loop() {
  // Read the value from the potentiometer
  int potValue = analogRead(potPin);

  // Print the potentiometer value for debugging (optional)
  Serial.print("Potentiometer Value: ");
  Serial.println(potValue);

  // Determine if the input is high or low based on the threshold
  if (potValue > threshold) {
    displayNumber(1); // Display 1 if the input is high
  } else {
    displayNumber(2); // Display 2 if the input is low
  }

  // Add a small delay to stabilize the readings
  delay(1);
}

// Function to display a number on the LED matrix
void displayNumber(int num) {
  lc.clearDisplay(0); // Clear display register

  byte num1[8] = {
    B00011000,
    B00111000,
    B00011000,
    B00011000,
    B00011000,
    B00011000,
    B00111100,
    B00000000
  };

  byte num2[8] = {
    B00111100,
    B01100110,
    B00000110,
    B00001100,
    B00110000,
    B01100000,
    B01111110,
    B00000000
  };

  byte *pattern;

  if (num == 1) {
    pattern = num1;
  } else if (num == 2) {
    pattern = num2;
  }

  for (int row = 0; row < 8; row++) {
    lc.setRow(0, row, pattern[row]);
  }
}