// =======================================================================
// Arduino Sketch - cascade or triple blink LEDs 
// =======================================================================

// ---- setup function - runs once when you press reset or power the board

void setup()
{
  // initialize GIOs
  pinMode(13, OUTPUT);
  pinMode( 5, OUTPUT);
  pinMode( 6, OUTPUT);
  pinMode( 7, OUTPUT);
  pinMode( 8, OUTPUT);
  pinMode( 9, OUTPUT);

  // Initialize the serial port - Use one of these rates:
  // 300, 600, 1200, 2400, 4800, 9600, 14400, 19200, 28800,
  // 38400, 57600, or 115200.
  Serial.begin(14400);
}

// ---- blink a LED

void blink_led(int led)
{
  //Serial.println("blink");
  //Serial.flush();
  digitalWrite(led, HIGH);     // turn the LED on
  delay(300);                  // wait 3/10 second
  digitalWrite(led, LOW);      // turn the LED off
}

// ---- Triple Blink a LED

void triple_blink(int led)
{
  blink_led(led);              // first  blink
  delay(500);                  // pause  after blink
  blink_led(led);              // second blink
  delay(500);                  // pause  after blink
  blink_led(led);              // third  blink
  delay(1000);                 // final  pause after blink
}

// ---- Triple Blink All LEDs

void triple_blink_all()
{
  //Serial.println("Triple blink all");
  //Serial.flush();
  triple_blink(13);
  triple_blink(5);
  triple_blink(6);
  triple_blink(7);
  triple_blink(8);
  triple_blink(9);
}

// ---- Cascade all LEDS

void cascade_all()
{
  //Serial.println("Cascade LED");
  //Serial.flush();
  blink_led(13);
  blink_led(5);
  blink_led(6);
  blink_led(7);
  blink_led(8);
  blink_led(9);
}

// ---- main loop - run forever

void loop()
{
  cascade_all();
  //triple_blink_all();
}