Initialization/Setup

/*
Arduino controlled LED Pong

Designed and created by Schuyler Sowa
http://www.instructables.com/member/Chip+Fixes/
*/

//You need to install these libraries on your computer
#include "LPD8806.h"
#include "SPI.h"
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

//Scoreboard shift registers
#define data1 5 //14
#define clock1 7 //11
#define latch1 6 //12

//hex values of scoreboard numbers (0-9)
byte digitOne[10]= {0x6F, 0x09, 0x73, 0x3B, 0x1D, 0x3E, 0x7C, 0x0B, 0x7F, 0x1F}; //Player 1 numbers
byte digitTwo[10]= {0x6F, 0x09, 0x73, 0x3B, 0x1D, 0x3E, 0x7C, 0x0B, 0x7F, 0x1F}; //Player 2 numbers

//Player 1 shift register
#define data2 8
#define clock2 9
#define latch2 10

//Player 2 shift register
#define data3 11
#define clock3 12
#define latch3 13

#define player1 1 //Player 1 push button
#define player2 2 //Player 2 push button
#define pot A2 //Adjusts speed of 'ball'

int nLEDs = 30; //Number of LEDs
int dataPin  = 3; //LED Strip
int clockPin = 4; //LED Strip
LPD8806 strip = LPD8806(32, dataPin, clockPin);

char turn = 'A';
char flag = 'N';
char cheat = 'N';
int i = 0;
int j = 0;
byte player1Points = 0;
byte player2Points = 0;
int score;

//LCD
//Wire SDA to A4 and SCL to A5
LiquidCrystal_I2C lcd(0x20,16,2);  //set the LCD address to 0x20 for a 16 chars and 2 line display

void setup()
{
  lcd.init(); //initialize lcd
  lcd.backlight(); //turn on backlight

  pinMode(latch1, OUTPUT);
  pinMode(clock1, OUTPUT);
  pinMode(data1, OUTPUT);

  pinMode(latch2, OUTPUT);
  pinMode(clock2, OUTPUT);
  pinMode(data2, OUTPUT);

  pinMode(latch3, OUTPUT);
  pinMode(clock3, OUTPUT);
  pinMode(data3, OUTPUT);

  //Sets scoreboards to '0'
  digitalWrite(latch1, LOW);
  shiftOut(data1, clock1, MSBFIRST, ~digitOne[0]);
  shiftOut(data1, clock1, MSBFIRST, ~digitTwo[0]);
  digitalWrite(latch1, HIGH);

  //Turns off player1 and player2 LEDs
  digitalWrite(latch2, LOW);
  shiftOut(data2, clock2, MSBFIRST, 255);
  digitalWrite(latch2, HIGH);
  digitalWrite(latch3, LOW);
  shiftOut(data3, clock3, MSBFIRST, 255);
  digitalWrite(latch3, HIGH);

  pinMode(pot, INPUT);
  strip.begin();
  strip.show();
  pinMode(player1, INPUT);
  digitalWrite(player1, HIGH);
  pinMode(player2, INPUT);
  digitalWrite(player2, HIGH);

  score = selectScore(); //Sets the winning score

  //Turns on player1 LEDs
  digitalWrite(latch2, LOW);
  shiftOut(data2, clock2, MSBFIRST, 0);
  digitalWrite(latch2, HIGH);
}