ajuda com buttonbox!

Bom dia!Sou novo no fórum e gostaria de uma ajuda para substituir os botões rotatório por esses de joystick ou botoes normais!!

O projeto que estou tentando seguir seria esse!
MAKE THIS BUTTON BOX | 32 FUNCTION w ENCODERS - YouTube](http://<a href=)
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//BUTTON BOX 
//USE w ProMicro
//Tested in WIN10 + Assetto Corsa
//AMSTUDIO
//20.8.17

#include <Keypad.h>
#include <Joystick.h>

#define ENABLE_PULLUPS
#define NUMROTARIES 4
#define NUMBUTTONS 24
#define NUMROWS 5
#define NUMCOLS 5


byte buttons[NUMROWS][NUMCOLS] = {
{0,1,2,3,4},
{5,6,7,8,9},
{10,11,12,13,14},
{15,16,17,18,19},
{20,21,22,23},
};

struct rotariesdef {
byte pin1;
byte pin2;
int ccwchar;
int cwchar;
volatile unsigned char state;
};

rotariesdef rotaries[NUMROTARIES] {
{0,1,24,25,0},
{2,3,26,27,0},
{4,5,28,29,0},
{6,7,30,31,0},
};

#define DIR_CCW 0x10
#define DIR_CW 0x20
#define R_START 0x0

#ifdef HALF_STEP
#define R_CCW_BEGIN 0x1
#define R_CW_BEGIN 0x2
#define R_START_M 0x3
#define R_CW_BEGIN_M 0x4
#define R_CCW_BEGIN_M 0x5
const unsigned char ttable[6][4] = {
// R_START (00)
{R_START_M,            R_CW_BEGIN,     R_CCW_BEGIN,  R_START},
// R_CCW_BEGIN
{R_START_M | DIR_CCW, R_START,        R_CCW_BEGIN,  R_START},
// R_CW_BEGIN
{R_START_M | DIR_CW,  R_CW_BEGIN,     R_START,      R_START},
// R_START_M (11)
{R_START_M,            R_CCW_BEGIN_M,  R_CW_BEGIN_M, R_START},
// R_CW_BEGIN_M
{R_START_M,            R_START_M,      R_CW_BEGIN_M, R_START | DIR_CW},
// R_CCW_BEGIN_M
{R_START_M,            R_CCW_BEGIN_M,  R_START_M,    R_START | DIR_CCW},
};
#else
#define R_CW_FINAL 0x1
#define R_CW_BEGIN 0x2
#define R_CW_NEXT 0x3
#define R_CCW_BEGIN 0x4
#define R_CCW_FINAL 0x5
#define R_CCW_NEXT 0x6

const unsigned char ttable[7][4] = {
// R_START
{R_START,    R_CW_BEGIN,  R_CCW_BEGIN, R_START},
// R_CW_FINAL
{R_CW_NEXT,  R_START,     R_CW_FINAL,  R_START | DIR_CW},
// R_CW_BEGIN
{R_CW_NEXT,  R_CW_BEGIN,  R_START,     R_START},
// R_CW_NEXT
{R_CW_NEXT,  R_CW_BEGIN,  R_CW_FINAL,  R_START},
// R_CCW_BEGIN
{R_CCW_NEXT, R_START,     R_CCW_BEGIN, R_START},
// R_CCW_FINAL
{R_CCW_NEXT, R_CCW_FINAL, R_START,     R_START | DIR_CCW},
// R_CCW_NEXT
{R_CCW_NEXT, R_CCW_FINAL, R_CCW_BEGIN, R_START},
};
#endif

byte rowPins[NUMROWS] = {21,20,19,18,15}; 
byte colPins[NUMCOLS] = {14,16,10,9,8}; 

Keypad buttbx = Keypad( makeKeymap(buttons), rowPins, colPins, NUMROWS, NUMCOLS); 

Joystick_ Joystick(JOYSTICK_DEFAULT_REPORT_ID, 
JOYSTICK_TYPE_JOYSTICK, 32, 0,
false, false, false, false, false, false,
false, false, false, false, false);

void setup() {
Joystick.begin();
rotary_init();}

void loop() { 

CheckAllEncoders();

CheckAllButtons();

}

void CheckAllButtons(void) {
    if (buttbx.getKeys())
  {
     for (int i=0; i<LIST_MAX; i++)   
      {
         if ( buttbx.key[i].stateChanged )   
          {
          switch (buttbx.key[i].kstate) {  
                  case PRESSED:
                  case HOLD:
                            Joystick.setButton(buttbx.key[i].kchar, 1);
                            break;
                  case RELEASED:
                  case IDLE:
                            Joystick.setButton(buttbx.key[i].kchar, 0);
                            break;
          }
         }   
       }
   }
}


void rotary_init() {
for (int i=0;i<NUMROTARIES;i++) {
  pinMode(rotaries[i].pin1, INPUT);
  pinMode(rotaries[i].pin2, INPUT);
  #ifdef ENABLE_PULLUPS
    digitalWrite(rotaries[i].pin1, HIGH);
    digitalWrite(rotaries[i].pin2, HIGH);
  #endif
}
}


unsigned char rotary_process(int _i) {
 unsigned char pinstate = (digitalRead(rotaries[_i].pin2) << 1) | digitalRead(rotaries[_i].pin1);
rotaries[_i].state = ttable[rotaries[_i].state & 0xf][pinstate];
return (rotaries[_i].state & 0x30);
}

void CheckAllEncoders(void) {
for (int i=0;i<NUMROTARIES;i++) {
  unsigned char result = rotary_process(i);
  if (result == DIR_CCW) {
    Joystick.setButton(rotaries[i].ccwchar, 1); delay(50); Joystick.setButton(rotaries[i].ccwchar, 0);
  };
  if (result == DIR_CW) {
    Joystick.setButton(rotaries[i].cwchar, 1); delay(50); Joystick.setButton(rotaries[i].cwchar, 0);
  };
}
}