int ledPin = 13;    //assign pin 13 as the pin that the lights are on
int mouthPin = 8;    //this is the pin where the mouth is connected
int eyesPin = 9;    //eyes are on pin 9

//for serial communication
int message = 0;
                     
void setup(){
  Serial.begin(9600);   //start the serial port with a baud rate of 9600
  //define the outputs
  pinMode(ledPin,OUTPUT);
  pinMode(mouthPin,OUTPUT);
  pinMode(eyesPin,OUTPUT);
  //close the eyes
  closeEyes();
  //close mouth
  closeMouth();
  //wait a few seconds so we can witness the opening after hitting reset
  delay(3000);
}  

void loop(){
//digitalWrite(ledPin,HIGH);
//openEyes();
//talk(3);
if(Serial.available()>0){  //if the serial port is sending data
    //read the incoming byte
    message = Serial.read();
  //animate our robot according to the serial data that we recieve
    if(message == '1'){
      talk(1);
    }
    if(message == '2'){
      talk(2);
    }
    if(message == '3'){
      openEyes();
    }
    if(message == '4'){
      closeEyes();
    }
    if(message == '5'){
      blinkEyes();
    }
    if(message == '6'){  
      digitalWrite(ledPin,LOW);
    }
    if(message == '7'){  
      digitalWrite(ledPin,HIGH);
    }
  }
}

void talk(int times){
  for(int j = 0;j < times;j++){
  //first we open the mouth
 for(int i = 0;i <10;i++){
  digitalWrite(mouthPin,HIGH);  //turn on the servo pin, i.e send 5V
  delayMicroseconds(1100);  //delay for the pulse length set in declarations
  digitalWrite(mouthPin,LOW);  //turn servo pin back off to end the pulse
  delay(20);
 } 
   //then close it
 for(int i = 0;i <10;i++){
  digitalWrite(mouthPin,HIGH);  //turn on the servo pin, i.e send 5V
  delayMicroseconds(500);  //delay for the pulse length set in declarations
  digitalWrite(mouthPin,LOW);  //turn servo pin back off to end the pulse
  delay(20);
 }
 }
}

void closeMouth(){
   for(int i = 0;i <10;i++){
  digitalWrite(mouthPin,HIGH);  //turn on the servo pin, i.e send 5V
  delayMicroseconds(500);  //delay for the pulse length set in declarations
  digitalWrite(mouthPin,LOW);  //turn servo pin back off to end the pulse
  delay(20);
 }
}

void openEyes(){
   for(int i = 0;i <30;i++){
  digitalWrite(eyesPin,HIGH);  //turn on the servo pin, i.e send 5V
  delayMicroseconds(800);  //delay for the pulse length set in declarations
  digitalWrite(eyesPin,LOW);  //turn servo pin back off to end the pulse
  delay(20);
 }
 
}

void closeEyes(){
   for(int i = 0;i <30;i++){
  digitalWrite(eyesPin,HIGH);  //turn on the servo pin, i.e send 5V
  delayMicroseconds(2500);  //delay for the pulse length set in declarations
  digitalWrite(eyesPin,LOW);  //turn servo pin back off to end the pulse
  delay(20);
 } 
}

void blinkEyes(){
  for(int i = 0;i <10;i++){
  digitalWrite(eyesPin,HIGH);  //turn on the servo pin, i.e send 5V
  delayMicroseconds(2500);  //delay for the pulse length set in declarations
  digitalWrite(eyesPin,LOW);  //turn servo pin back off to end the pulse
  delay(20);
 }
  for(int i = 0;i <10;i++){
  digitalWrite(eyesPin,HIGH);  //turn on the servo pin, i.e send 5V
  delayMicroseconds(800);  //delay for the pulse length set in declarations
  digitalWrite(eyesPin,LOW);  //turn servo pin back off to end the pulse
  delay(20);
 }
}