Arduino Game Controller

1# include "Keyboard.h"
2
3int StateOld[7];
4int StateNew[7];
5int Pin_Number[7] = {1,2,3,4,5,6,7};
6int Key_to_Press[7] = {KEY_LEFT_ARROW, KEY_RIGHT_ARROW, KEY_UP_ARROW, KEY_DOWN_ARROW, 'a', 's','d'};
7
8void setup(){
9  int i;
10  Serial.begin(9600);
11  for (i = 0; i < 7; ++i ) {
12    pinMode(Pin_Number[i], INPUT);
13    digitalWrite(Pin_Number[i], LOW);
14    StateOld[i] = digitalRead(Pin_Number[i]);
15    StateNew[i] = digitalRead(Pin_Number[i]);
16  }
17}
18
19void loop() {
20  int i;
21
22  for( i = 0 ; i < 7 ; ++i ) {
23    if (StateOld[i] != StateNew[i]) {
24      StateOld[i]  = digitalRead (Pin_Number[i]);
25      if (StateOld[i] == HIGH) {
26        Keyboard.press(Key_to_Press[i]);
27      }
28      else if (StateOld[i] == LOW) {
29        Keyboard.release(Key_to_Press[i]);
30      }
31    }
32    StateNew[i] = digitalRead (Pin_Number[i]);
33   }
34}