Arduino - Simon Says

arduino_simon_says.pde

/**
 *  Arduino - Simon Says
 *  ELTN.4M - Douglas Antunes, Eduardo Souza, Joao Gabriel e Mateus Mahado
 */

#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

int rounds = 50;
int vec[50];
int vecRound[50];

int btnPin = 0;
int buzzerPin = 13 ;

int answer;
int error = 0;

void show ( int led )
{
  int tons[4] = {392, 440, 494, 523};
  
  digitalWrite( led, HIGH );
  tone( buzzerPin, tons[led - 7], 300 );
  delay( 300 );
  digitalWrite( led, LOW );
  delay( 200 );
}

void setup ()
{
  Serial.begin(9600);
  lcd.begin(16, 2);
  
  /** Leds **/
  pinMode(7, OUTPUT);
  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(10, OUTPUT);
  
  /** Buzzer **/
  pinMode(buzzerPin, OUTPUT);
  
  /** Button **/
  pinMode(btnPin, INPUT);
  

}

void loop ()
{
  
  /** Preencher vetor com sequencia aleatoria **/
  for ( int i = 0; i < rounds; i++ ) {
    vec[i] = random(7, 11); // Usar pinos de 0 a 4 para saida dos leds
  }

  Serial.println("INCIO \n");
  /** Percorre toda a sequencia (ate o fim, ou ate que erre) **/
  for ( int i = 0; i < rounds; i++ ) {

    lcd.clear();
    lcd.print("Minha Vez");
    
    /** Preenche o vetor com a sequencia E acender os leds **/
    for ( int j = 0; j < i; j++ ) {
      vecRound[j] = vec[j];
      /** Acender e apagar o led da sequencia **/
      show( vec[j] );
    }
    
    /** Verificar se a sequencia digitada e a mesma da mostrada **/
    for ( int j = 0; j < i; j++ ) {
      
      answer = 1023;
      lcd.clear();
      lcd.print("Sua Vez");
      
      /** Entrar em loop ate que algo seja digitado **/
      do {
        answer = analogRead( btnPin );
      } while ( answer == 1023 );
      
      /** Colocar nivel analogico como botao **/
      if ( answer > 495 && answer < 560 ) {
        answer = 10;
      } else if ( answer > 640 && answer < 720 ) {
        answer = 9;
      } else if ( answer > 730 && answer < 790 ) {
        answer = 8;
      } else if ( answer > 800 && answer < 840 ) {
        answer = 7;
      }
      
      show( answer );
      delay( 400 );
      
      /** Verificar no. sequencia, caso erre sai e passa "error" para 1 e diz para sair do outro loop tambem **/
      if ( answer != vecRound[j] ) {
        i = 0;
        lcd.clear();
        lcd.print("Voce errou");
        tone( buzzerPin, 44, 500); 
        delay( 500 );
        
        lcd.clear();
        lcd.print("Reiniciando");
        delay( 500 );
        
      } else {
        error = 0;
      }
 
    }

     /** Sai do loop principal caso sequencia errada **/
     if ( error > 0 ) {
       break;
     }
  
    Serial.println("-----------");
  }
}

Que tal assim? void simbolo (cor){
if (cor = vermelho){
digitalWrite (ledred,HIGH);
tone (13,784,1000);
delay (1000)
digitalWrite (ledred,LOW)
}
if (cor = verde){
digitalWrite (ledgreen,HIGH);
tone (13,698,1000);
delay (1000)
digitalWrite (ledgreen,LOW)
}
if (cor = azul){
digitalWrite (ledblue,HIGH);
tone (13,659,1000);
delay (1000)
digitalWrite (ledblue,LOW)
}
if (cor = amarelo){
digitalWrite (ledyellow,HIGH);
tone (13,587,1000);
delay (1000)
digitalWrite (ledyellow,LOW)
}
}