#include <MD_Parola.h>
#include <LedControl.h>

LedControl lc=LedControl(11,13,10,1); //DIN,CLK,CS,Number of MAX7219 modules

void setup() {
  lc.shutdown(0,false);  //Wake up MAX7219 (0 for module 1)
  lc.setIntensity(0,8);  //Set brightness (0 for module 1)
  lc.clearDisplay(0);    //Clear display (0 for module 1)
}

void loop() {
  //Read input from dip switch
  int dipSwitchValue = 0;
  for(int i = 0; i <= 7; i++) {
    dipSwitchValue |= digitalRead(i + 2) << i;
  }
  
  //Display value on LED screen
  if(dipSwitchValue < 10) {
    lc.setDigit(0,0,dipSwitchValue,false); //Display single digit
  } else {
    switch(dipSwitchValue) {
      case 10:
        lc.setChar(0,0,'A',false); //Display A
        break;
      case 11:
        lc.setChar(0,0,'B',false); //Display B
        break;
      case 12:
        lc.setChar(0,0,'C',false); //Display C
        break;
      case 13:
        lc.setChar(0,0,'D',false); //Display D
        break;
      case 14:
        lc.setChar(0,0,'E',false); //Display E
        break;
      case 15:
        lc.setChar(0,0,'F',false); //Display F
        break;
      default:
        lc.setDigit(0,0,0,false); //Display 0 if value is invalid
        break;
    }
  }
}