#include <LedControl.h>

// Define the number of MAX7219 modules and the pins they are connected to
#define NUM_MAX7219 4  // Assuming a 32x8 matrix requires 4 MAX7219 modules
#define DIN_PIN 12
#define CS_PIN 11
#define CLK_PIN 10

// Create a LedControl object
LedControl lc = LedControl(DIN_PIN, CLK_PIN, CS_PIN, NUM_MAX7219);

void setup() {
  // Initialize the MAX7219 modules
    for (int i = 0; i < NUM_MAX7219; i++) {
        lc.shutdown(i, false);
            lc.setIntensity(i, 8);
                lc.clearDisplay(i);
                  }

                    // Display the scrolling message
                      scrollText("Hello, Welcome!", 100);
                      }

                      void loop() {
                        // Your main program loop can go here
                        }

                        void scrollText(const char* text, int speed) {
                          int textLength = strlen(text);

                            // Add spaces to the end of the message for smooth scrolling
                              char scrollText[2 * textLength + 1];
                                strcpy(scrollText, text);
                                  strcat(scrollText, "        ");  // Add spaces for scrolling

                                    // Scroll the text
                                      for (int i = 0; i < 8 * textLength; i++) {
                                          for (int j = 0; j < NUM_MAX7219; j++) {
                                                lc.setColumn(j, 7 - i % 8, fontLookup(scrollText[i / 8 + j * 4]) << (i % 8));
                                                    }
                                                        delay(speed);
                                                          }
                                                          }

                                                          byte fontLookup(char character) {
                                                            // Custom font lookup function for the characters you want to display
                                                              // Add more characters as needed
                                                                switch (character) {
                                                                    case 'H':
                                                                          return B10001000;
                                                                              case 'e':
                                                                                    return B01111000;
                                                                                        case 'l':
                                                                                              return B00001000;
                                                                                                  case 'o':
                                                                                                        return B01111000;
                                                                                                            case ',':
                                                                                                                  return B00000000;  // Add more characters as needed
                                                                                                                      case ' ':
                                                                                                                            return B00000000;  // Space character
                                                                                                                                default:
                                                                                                                                      return B00000000;  // Default to space for unknown characters
                                                                                                                                        }
                                                                                                                                        }