//Metronomo
 
#include "OneButton.h"  
#define LED  13
#define LED1 A0  //pin for each led
#define LED2 A1  
#define LED3 A2  
#define LED4 A3 
#define LED5 A4
#define LED6 A5

#define MOTOR 8  
 

unsigned long previousMillis[7]; //[x] = numero de Salidas (leds y motor)
          
const int BUTTON = 9;  
const int BUTTON1 = 11;   
const int BUTTON2 = 12   
       
boolean lastButton = LOW;       
                                
boolean currentButton = LOW;    
                               
int speedIncrement = 0;

void setup()
{
  pinMode(LED, OUTPUT);  
  pinMode(LED1, OUTPUT);   
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);
  pinMode(LED4, OUTPUT); 
  pinMode(LED5, OUTPUT);
  pinMode(LED6, OUTPUT);  

  pinMode(MOTOR, OUTPUT);
  
  pinMode(BUTTON, INPUT);      
}

boolean debounce(boolean last)
{
  boolean current = digitalRead(BUTTON);   
  if (last != current)                     
    {
     delay(5);
      current = digitalRead(BUTTON);        
    }
    return current;
}

void setSpeed(int increment)

{
  
 if (increment == 1)
  {
    digitalWrite(LED, LOW);
    digitalWrite(LED1, LOW);
    digitalWrite(LED2, LOW);
    digitalWrite(LED3, LOW);
    digitalWrite(LED4, LOW);
    digitalWrite(LED5, LOW);
    digitalWrite(LED6, LOW);
    //digitalWrite(MOTOR, LOW);
  } 

   //PROGRAMA1
  if (increment == 2)
  {
   BlinkLed(LED1, 5000, 0); // segundo valor velocidad en milisegundos, el tercer valor de cada salida debe ser diferente (menos motor)
   //BlinkLed(MOTOR, 600, 5); 
   digitalWrite(LED2, LOW);
   digitalWrite(LED3, LOW);
   digitalWrite(LED4, LOW);
   digitalWrite(LED5, LOW);
   digitalWrite(LED6, LOW);
  }
  //PROGRAMA2
  else if (increment == 3)
  {
   BlinkLed(LED2, 4000, 1);
   //BlinkLed(MOTOR, 429, 5); 
   digitalWrite(LED1, LOW);
   digitalWrite(LED3, LOW);
   digitalWrite(LED4, LOW);
   digitalWrite(LED5, LOW);
   digitalWrite(LED6, LOW); 
  }
  //PROGRAMA3
  else if (increment == 4)
  {
   BlinkLed(LED3, 3000, 2);
  // BlinkLed(MOTOR, 260, 5); 
   digitalWrite(LED1, LOW);
   digitalWrite(LED2, LOW);
   digitalWrite(LED4, LOW);
   digitalWrite(LED5, LOW);
   digitalWrite(LED6, LOW);
  }
  //PROGRAMA4
  else if (increment == 5)
  {
   BlinkLed(LED4, 2000, 3);
   //BlinkLed(MOTOR, 200, 5); 
   digitalWrite(LED1, LOW);
   digitalWrite(LED2, LOW);
   digitalWrite(LED3, LOW);
   digitalWrite(LED5, LOW);
   digitalWrite(LED6, LOW);
  }
  //PROGRAMA5
  else if (increment == 6)
  {
   BlinkLed(LED5, 1000, 4);
   //BlinkLed(MOTOR, 150, 5); // segundo valor velocidad en milisegundos
   digitalWrite(LED1, LOW);
   digitalWrite(LED2, LOW);
   digitalWrite(LED3, LOW);
   digitalWrite(LED4, LOW); 
   digitalWrite(LED6, LOW); 
  }
  //OFF 
  else
  {
    digitalWrite(LED1, LOW);
    digitalWrite(LED2, LOW);
    digitalWrite(LED3, LOW);
    digitalWrite(LED4, LOW);
    digitalWrite(LED5, LOW);
    digitalWrite(LED6, LOW);
    //digitalWrite(MOTOR, LOW);
  }
}

void loop()
{
  currentButton = debounce(lastButton);             
  if (lastButton == LOW && currentButton == HIGH)    
  {
    speedIncrement++;                                    
  }
  lastButton = currentButton;                          
  

  if (speedIncrement == 7)  speedIncrement = 1;
  
  setSpeed(speedIncrement);
}

void BlinkLed (int led, int interval, int array){   
  
   if (((long)millis() - previousMillis[array]) >= interval){ 
   
    previousMillis[array]= millis(); 
   
    digitalWrite(led, !digitalRead(led));
  }
 }