#define IN1 4 
#define IN2 5
#define IN3 6
#define IN4 7 

#define LED_B 8
#define LED_G 9
#define LED_R 10

#define BUTTON_1 11
#define BUTTON_2 12

short int timeStep = 2;
short int ledDelay = 200;

void setup() 
{
  pinMode(IN1, OUTPUT);
  pinMode(IN2, OUTPUT);
  pinMode(IN3, OUTPUT);
  pinMode(IN4, OUTPUT);
  pinMode(LED_B, OUTPUT);
  pinMode(LED_G, OUTPUT);
  pinMode(LED_R, OUTPUT);
  pinMode(BUTTON_1, INPUT);
  pinMode(BUTTON_2, INPUT);

}

void loop() 
{
  for(int i=0;i<30;i++)
  {
  digitalWrite(LED_G, HIGH);
  delay(ledDelay);
  digitalWrite(LED_G, LOW);
  delay(ledDelay);
  }

  while((digitalRead(BUTTON_1)==1) && (digitalRead(BUTTON_2)==0) )
  {
    //Acende LED RGB NA COR ROXA
    digitalWrite(LED_R, HIGH);
    digitalWrite(LED_G, LOW);
    digitalWrite(LED_B, HIGH);
    
    //Aciona motor de passo em sentido horário
    digitalWrite(IN1, HIGH);
    delay(timeStep);
    digitalWrite(IN1, LOW);
    
    digitalWrite(IN2, HIGH);
    delay(timeStep);
    digitalWrite(IN2, LOW);
    
    digitalWrite(IN3, HIGH);
    delay(timeStep);
    digitalWrite(IN3, LOW);
    
    digitalWrite(IN4, HIGH);
    delay(timeStep);
    digitalWrite(IN4, LOW);
    
  }

  while(digitalRead(BUTTON_2)==1 && digitalRead(BUTTON_1)==0 )
  {
    //Acende LED RGB NA COR BRANCA
    digitalWrite(LED_R, HIGH);
    digitalWrite(LED_G, HIGH);
    digitalWrite(LED_B, HIGH);
    
    //Aciona motor de passo em sentido horário
    digitalWrite(IN4, HIGH);
    delay(timeStep);
    digitalWrite(IN4, LOW);
    
    digitalWrite(IN3, HIGH);
    delay(timeStep);
    digitalWrite(IN3, LOW);
    
    digitalWrite(IN2, HIGH);
    delay(timeStep);
    digitalWrite(IN2, LOW);
    
    digitalWrite(IN1, HIGH);
    delay(timeStep);
    digitalWrite(IN1, LOW);
    
  }
  //Desligar Vermelho e Azul
  digitalWrite(LED_R, LOW);
  digitalWrite(LED_B, LOW);

  
}