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LEDsAndDisplaysAndAutoPlay.ino
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LEDsAndDisplaysAndAutoPlay.ino
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//// ARCADE LIGHT GAME ////
//// BY STACH REDEKER ////
//// V1.0. ////
// USED SHIFT REGISTER PINS LEDS //
const int latchPin1 = 11; // LEDS
const int clockPin1 = 9; // LEDS
const int dataPin1 = 12; // LEDS
// USED SHIFT REGISTER PINS DISPLAY PLAYER 1 //
const int latchPin2 = 6;
const int clockPin2 = 7;
const int dataPin2 = 5;
// USED SHIFT REGISTER PINS DISPLAY PLAYER 2 //
const int latchPin3 = 3;
const int clockPin3 = 4;
const int dataPin3 = 2;
// LEDS NOT CONNECTED TO SHIFT REGISTER //
#define LED8 A2
#define LED9 A3
#define LED10 A4
// BUTTONS //
#define button1 A0
#define button2 A1
// INITIAL LED SPEED
int LED_speed_init = 500;
/// ^^^^ EDIT ABOVE THIS LINE ^^^^ ////
// PLAYER SCORES & PLAYER VARIABLES //
int score1 = 0;
int score2 = 0;
int autoPlay1 = 0;
int autoPlay2 = 0;
// SEVEN SEGMENT DISPLAY VALUES //
byte seven_seg_digits[21] = { B11111100, // = 0
B01100000, // = 1
B11011010, // = 2
B11110010, // = 3
B01100110, // = 4
B10110110, // = 5
B10111110, // = 6
B11100000, // = 7
B11111110, // = 8
B11100110, // = 9
B11111101, // = 0. 10
B01100001, // = 1. 11
B11011011, // = 2. 12
B11110011, // = 3. 13
B01100111, // = 4. 14
B10110111, // = 5. 15
B10111111, // = 6. 16
B11100001, // = 7. 17
B11111111, // = 8. 18
B11100111, // = 9. 19
B00011100 // = L 20
};
// SHIFT REGISTER VARIABLES //
byte leds = 0; // a byte, thus in this case 00000000, needed for setting the shift register
// OTHER GLOBAL VARIABLES //
unsigned long previousTime = 0;
unsigned long LED_speed;
void setup()
{
// SETTING PIN MODES //
pinMode(latchPin1, OUTPUT);
pinMode(dataPin1, OUTPUT);
pinMode(clockPin1, OUTPUT);
pinMode(latchPin2, OUTPUT);
pinMode(clockPin2, OUTPUT);
pinMode(dataPin2, OUTPUT);
pinMode(latchPin3, OUTPUT);
pinMode(clockPin3, OUTPUT);
pinMode(dataPin3, OUTPUT);
pinMode(LED8, OUTPUT);
pinMode(LED9, OUTPUT);
pinMode(LED10, OUTPUT);
pinMode(button1, INPUT);
pinMode(button2, INPUT);
resetGame(); // reset all game values before we start
// CHECK IF AUTOPLAY IS ACTIVATED //
if (digitalRead(button1) == HIGH) {
autoPlay1 = 1;
display1(score1);
}
if (digitalRead(button2) == HIGH) {
autoPlay2 = 1;
display2(score2);
}
Serial.begin(9600);
delay(2000); // and wait two seconds before the start of the game.
// This line is also here to solve a bug that is caused if player 1 activates the autoplay: if we ignore the wait time,
// the Arduino will register the button press also as a game button press, yielding a 1 point loss for player 1
}
void loop()
{
startFrom1(); // start with player 1
// DIAGNOSITICS //
Serial.println("Player 1's turn is over.");
Serial.print("Score Player 1: ");
Serial.println(score1);
Serial.print("Score Player 2: ");
Serial.println(score2);
// PRINT PLAYER 2 SCORE
if (score2 < 10) {
display2(score2);
}
else { // check if player 1 has lost (that is the case when player 2 has 10 points)
display1(20); // show L on the losing player's display
winAnimation();
resetGame();
}
startFrom2(); // continue with player 2
// DIAGNOSITICS //
Serial.println("Player 2's turn is over.");
Serial.print("Score Player 1: ");
Serial.println(score1);
Serial.print("Score Player 2: ");
Serial.println(score2);
// PRINT PLAYER 1 SCORE
if (score1 < 10) {
display1(score1);
}
else { // check if player 2 has lost (that is the case when player 1 has 10 points)
display2(20); // show L on the losing player's display
winAnimation();
resetGame();
}
// INCREASE SPEED AFTER SUCCESFUL ROUND //
if (LED_speed > 50) {
LED_speed = LED_speed - 50;
}
else if (LED_speed > 10) {
LED_speed = LED_speed - 2;
}
}
// FUNCTION FOR TURING ON/OFF A SPECIFIC LED //
void LEDcontrol (int LED_n, int LED_status) {
if (LED_n >= 0 && LED_n <= 7) { // if a LED is part of the shift register
if (LED_status == 1) { // and the wanted status is on (1)
bitSet(leds, LED_n); // set the n-th bit in the led byte to 1
updateLEDs(); // and reset the shift register via the function updateLEDs()
}
if (LED_status == 0) { // and the wanted status is off (0)
bitClear(leds, LED_n); // set the n-th bit in the led byte to 0
updateLEDs(); // , , ,
}
}
// LEDs that are not being controlled by the shift register are being controlled manually via digitalWrite()
else if (LED_n == 8) {
digitalWrite(LED8, LED_status);
}
else if (LED_n == 9) {
digitalWrite(LED9, LED_status);
}
else if (LED_n == 10) {
digitalWrite(LED10, LED_status);
}
}
// FUNCTION FOR UPDATING THE SHIFT REGISTER CONTROLLING THE LEDS//
void updateLEDs() {
digitalWrite(latchPin1, LOW);
shiftOut(dataPin1, clockPin1, LSBFIRST, leds);
digitalWrite(latchPin1, HIGH);
}
// FUNCTION FOR RESETTING THE LED SPEED //
void resetSpeed() {
LED_speed = LED_speed_init;
}
// FUNCTION START PLAYER 1 //
void startFrom1() {
for (int i = 0; i < 11; i++) { // loop through the 11 LEDs
LEDcontrol(i, 1); // and turn LED n on
Serial.print("LED");
Serial.println(i);
while (true) {
unsigned long currentTime = millis(); // a solve for not using delay. Using millis(), we are able to detect a button press at all times
if (currentTime - previousTime >= LED_speed) { // if the LED_speed time has passed, move on, if not, start looking for button presses
previousTime = currentTime;
break;
}
if ((digitalRead(button1) == HIGH) && i < 8) { // too early press
delay(1000);
LEDcontrol(i, 0);
score2++;
Serial.println("Too early!");
resetSpeed();
return 0;
}
else if ((digitalRead(button1) == HIGH) || (autoPlay1 == 1) && i >= 8 && i < 10) { // press just right
delay(1000);
LEDcontrol(i, 0);
Serial.println("Correct press!");
return 0;
}
else if (i == 10) { // too late press
delay(1000);
LEDcontrol(i, 0);
score2++;
Serial.println("Too late!");
resetSpeed();
return 0;
}
}
LEDcontrol(i, 0);
}
}
// FUNCTION START PLAYER 2 //
void startFrom2() {
for (int i = 10; i >= 0; i--) {
LEDcontrol(i, 1);
Serial.print("LED");
Serial.println(i);
while (true) {
unsigned long currentTime = millis();
if (currentTime - previousTime >= LED_speed) {
previousTime = currentTime;
break;
}
if ((digitalRead(button2) == HIGH) && i > 2) {
delay(1000);
LEDcontrol(i, 0);
score1++;
Serial.println("Too early!");
resetSpeed();
return 0;
}
else if ((digitalRead(button2) == HIGH) || (autoPlay2 == 1) && i <= 2 && i > 0) {
delay(1000);
LEDcontrol(i, 0);
Serial.println("Correct press!");
return 0;
}
else if (i == 0) {
delay(1000);
LEDcontrol(i, 0);
score1++;
Serial.println("Too late!");
resetSpeed();
return 0;
}
}
LEDcontrol(i, 0);
}
}
// DISPLAY A NUMBER FOR PLAYER 1
void display1(byte digit) {
digitalWrite(latchPin2, LOW);
if (autoPlay1 == 0) {
shiftOut(dataPin2, clockPin2, LSBFIRST, seven_seg_digits[digit]);
}
else { // if the autoplay is turned on, show a dot next to every number requested (and given the way we structured our array, we need to add 10 to the actual number)
shiftOut(dataPin2, clockPin2, LSBFIRST, seven_seg_digits[digit + 10]);
}
digitalWrite(latchPin2, HIGH);
}
// DISPLAY A NUMBER FOR PLAYER 2
void display2(byte digit) {
digitalWrite(latchPin3, LOW);
if (autoPlay2 == 0) {
shiftOut(dataPin3, clockPin3, LSBFIRST, seven_seg_digits[digit]);
}
else {
shiftOut(dataPin3, clockPin3, LSBFIRST, seven_seg_digits[digit + 10]);
}
digitalWrite(latchPin3, HIGH);
}
// RESETTING LEDS & SPEED & DISPLAYS//
void resetGame() {
updateLEDs();
resetSpeed();
score1 = 0;
score2 = 0;
autoPlay1 = 0;
autoPlay2 = 0;
digitalWrite(LED8, LOW);
digitalWrite(LED9, LOW);
digitalWrite(LED10, LOW);
display1(score1);
display2(score2);
}
// A FUNNY WIN ANIMATION //
void winAnimation() {
for (int i = 0; i < 11; i++) { // loop through all the LEDs
LEDcontrol(i, 1);
delay(100);
LEDcontrol(i,0);
}
for (int i = 10; i >= 0; i--) { // loop back
LEDcontrol(i, 1);
delay(100);
LEDcontrol(i,0);
}
delay(5000); // wait 5 seconds before restarting
}