Functionality: Code

        
The entire code that makes this interactive user experience possible, including all the function definitions, is copied below. 

#define ledGroup1Pin 13 //controls 3 leds all connected to the same pin
#define ledGroup2Pin 12 //controls 3 leds
#define ledGroup3Pin 11 //controls 3 leds
#define scarab1Pin 7
#define scarab2Pin 6
#define scarab3Pin 5

#define actuatorIn1 3
#define actuatorIn2 4 

#define relay1 A5
#define relay2 A4
#define relay3 A3
#define relay4 A2

#define potentiometerPin A1

#define masterBtnPin 2

unsigned long prevMillis = 0;        // will store last time LED was updated
bool LEDState = 1; //OFF, because active low
bool reset = 0;
bool blinkState = true; //blinking flag
int btnPressCount=0;
int btnReleaseCount=0;
bool masterBtnHasBeenPressed=false; //master button to advance the level.
bool scarabHasBeenPressed=false;
bool experience1Complete=false;
bool experience2Complete=false;
bool experience3Complete=false;
bool experience4Complete=false;
int level=0;

void setup() {
  pinMode(ledGroup1Pin, OUTPUT);
  pinMode(ledGroup2Pin, OUTPUT);
  pinMode(ledGroup3Pin, OUTPUT);
  pinMode(scarab1Pin, INPUT_PULLUP);
  pinMode(scarab2Pin, INPUT_PULLUP);
  pinMode(scarab3Pin, INPUT_PULLUP);
  pinMode(actuatorIn1,OUTPUT);
  pinMode(actuatorIn2,OUTPUT);
  pinMode(relay1,OUTPUT);
  pinMode(relay2,OUTPUT);
  pinMode(relay3,OUTPUT);
  pinMode(relay4,OUTPUT);
  digitalWrite(relay1,HIGH);
  digitalWrite(relay2,HIGH);
  digitalWrite(relay3,HIGH);
  digitalWrite(relay4,HIGH);

  pinMode(potentiometerPin, INPUT);
  pinMode(masterBtnPin, INPUT_PULLUP);
}

void loop() {  
  //1. The LEDs are blinking when the user enters the room.
  //2. They have to touch the 3 beetles at the same time to get only one LED group lit.
  //    a. set blinkState=false
  //3. We press the master button to advance the level.
  //    a. set blinkState=true

  //4. The LEDs are blinking again.
  //5. The users press the 3 beatles.
  //6. We press the master button.
//  if(reset==true){
//    blinkState=true;
//    level=0;
//  }

  //(1) LEDs are blinking.
  if(blinkState==true){
    blinkAllLeds(300);
    
    //moveActuatorDown(500);
     //fullyOpenLid();
   //fullyCloseLid();
    //delay(1000);
  }
  else if(blinkState==false){
    if(level==0)      ledGroup1On23Off(); 
    else if(level==1) ledGroup2On13Off();
    else if(level==2) ledGroup3On12Off();
  } 
  
  //if all 3 scarabs are pressed, then set the blink flag to stop blinking
  if(digitalRead(scarab1Pin)==0 && digitalRead(scarab2Pin)==0 && digitalRead(scarab3Pin)==0){ //when all pressed
    blinkState=false;
  }
     
  //Users now have to find the corresponding glyphs on the wall and press them. For the demo, we will press a master button,
  //and then level1 will be unlocked. Sercophagus will do something.
  
  //MASTER BUTTON REPLACES THE FUNCTIONALITY OF THE INTERACTIVE WALL:
  //I want to increment the btnCount when the button is pressed and released.
  if(masterBtnHasBeenPressed==false && digitalRead(masterBtnPin) == 0){ //if btn has not been pressed before AND is now being pressed
    masterBtnHasBeenPressed=true;
    btnPressCount++; //register the pressing when the button is pressed.
    if(btnPressCount==5) btnPressCount=0; //reset the button press count in case the button ahs been pressed 5 times.
  }
  if(masterBtnHasBeenPressed==true && digitalRead(masterBtnPin)==1){ //if btn has been pressed nefore AND is not currently released
    masterBtnHasBeenPressed=false; //reset the flag
    btnReleaseCount++; //register the relese when the button is released. (we don't need this)
    if(btnReleaseCount==5) btnReleaseCount=0;
  }

  if(btnReleaseCount==1 && experience1Complete==false){ //move to the next level
    experience1Complete=true;
    playExperience1();
    //The effect of the next 2 is on the 2nd if-block.
    blinkState=true; //start blinking all LEDs again
    level=1;         //set the level to 1    
  }
  else if(btnReleaseCount==2 && experience2Complete==false){
    experience2Complete=true;
    playExperience2();
    //The effect of the next 2 is on the 2nd if-block.
    blinkState=true; //start blinking all LEDs again
    level=2;         //set the level to 2. The effect of this 
  } 
  //Before we press the button for a third time, the last group of LEDs is ON, and so the blink state is false.
  //When players touch the wall for the final time, we press the master button, and then the entire coffin lits up.
  
  else if(btnReleaseCount==3 && experience3Complete==false){
    experience3Complete=true;
    playExperience3();
    level=3;  //this is unnecessary, but can be used as a reset.
    fullyOpenLid();
  }
  else if(btnReleaseCount==4 && experience4Complete==false){
    experience4Complete=true;
    blinkState=true;
    level=0;
    fullyCloseLid();
    btnReleaseCount=0;
  }
  
  //When we change the leve to level 3, what should happen then?

  
  //now I need to write what happens for the next 2 levels to the LEDs on the sercophagus.
  
}



void openLid(int milliseconds){ //use a while loop where the condition is the value on the pin.
  //run for the specified number of milliseconds
  int currenttime=millis();
  while(millis()-currenttime < milliseconds){
    digitalWrite(relay1,LOW);
    digitalWrite(relay4,LOW);
  }
  //enter break mode
  digitalWrite(relay2,HIGH);
  digitalWrite(relay3,HIGH);
  digitalWrite(relay1,HIGH);
  digitalWrite(relay4,HIGH);
}

void closeLid(int milliseconds){ //speed is from 0 to 255
  //run for the specified number of milliseconds
  int currenttime=millis();
  while(millis()-currenttime < milliseconds){
    digitalWrite(relay2,LOW);
    digitalWrite(relay3,LOW);
  }
  //enter break mode
  digitalWrite(relay2,HIGH);
  digitalWrite(relay3,HIGH);
  digitalWrite(relay1,HIGH);
  digitalWrite(relay4,HIGH);
  
}
void blinkAllLeds(int interval){ //the argument is the time between blinks
  if(millis()-prevMillis >= interval){
    prevMillis=millis();
    LEDState=!LEDState;
    digitalWrite(ledGroup1Pin,LEDState);
    digitalWrite(ledGroup2Pin,LEDState);
    digitalWrite(ledGroup3Pin,LEDState);    
  }  
}
void ledGroup1On23Off(){
    digitalWrite(ledGroup1Pin,LOW);
    digitalWrite(ledGroup2Pin,HIGH);
    digitalWrite(ledGroup3Pin,HIGH);
}
void ledGroup2On13Off(){
    digitalWrite(ledGroup1Pin,HIGH);
    digitalWrite(ledGroup2Pin,LOW);
    digitalWrite(ledGroup3Pin,HIGH);
}
void ledGroup3On12Off(){
    digitalWrite(ledGroup1Pin,HIGH);
    digitalWrite(ledGroup2Pin,HIGH);
    digitalWrite(ledGroup3Pin,LOW);
}
void allLedGroupsOn(){
    digitalWrite(ledGroup1Pin,LOW);
    digitalWrite(ledGroup2Pin,LOW);
    digitalWrite(ledGroup3Pin,LOW);
}
void playExperience1(){
  //playSound();
}

void playExperience2(){
  //lidRipple();
  //fanOn();
}
void playExperience3(){
  allLedGroupsOn(); //turn all LEDS on the coffin on.
  //sarcophagusOpen();
  //infinityMirrorOn();
}

void fullyCloseLid(){
  while(analogRead(potentiometerPin)>=690){
    Serial.println(analogRead(potentiometerPin));
    digitalWrite(relay2,LOW);
    digitalWrite(relay3,LOW); 
  }
  digitalWrite(relay2,HIGH);
  digitalWrite(relay3,HIGH);
}

void fullyOpenLid(){
  while(analogRead(potentiometerPin)<=883-10){
    Serial.println(analogRead(potentiometerPin));
    digitalWrite(relay1,LOW);
    digitalWrite(relay4,LOW); 
  }
  digitalWrite(relay1,HIGH);
  digitalWrite(relay4,HIGH);
}