#include <SoftwareSerial.h>

/* Debounce
 * 
 * Each time the input pin goes from LOW to HIGH (e.g. because of a push-button
 * press), the output pin is toggled from LOW to HIGH or HIGH to LOW.  There's
 * a minimum delay between toggles to debounce the circuit (i.e. to ignore
 * noise).  
 *
 * David A. Mellis
 * 21 November 2006
 *
 * http://www.arduino.cc/en/Tutorial/Debounce
 */
#define DELAY 5
#define ONTIME 1000
#define OFFTIME  500

void VideoOn(void);
void VideoOff(void);


int inPin = 7;         // the number of the input pin
int outPin = 13;
int ledPin1 =  12;                // LED connected to digital pin 13
int ledPin2 =  11;                // LED connected to digital pin 13
int ledPin3 =  10;                // LED connected to digital pin 13
int ledPin4 =   9;                // LED connected to digital pin 13
int switchPin = 8;

int state = LOW;        // the current state of the output pin, invert this and next entry to change initial state
int previous = HIGH;    // the previous reading from the input pin
int reading;           // the current reading from the input pin

// the follow variables are long's because the time, measured in miliseconds,
// will quickly become a bigger number than can be stored in an int.
long time = 0;         // the last time the output pin was toggled
long debounce = 200;   // the debounce time, increase if the output flickers

void setup()
{
  pinMode(inPin, INPUT);
  pinMode(outPin, OUTPUT);
  pinMode(ledPin1, OUTPUT);
  pinMode(ledPin2, OUTPUT);
  pinMode(ledPin3, OUTPUT);
  pinMode(ledPin4, OUTPUT);
  Serial.begin(9600);
  
}

void loop()
{
  static int firstloop = 1;  
  reading = digitalRead(inPin);

  // if we just pressed the button (i.e. the input went from LOW to HIGH),
  // and we've waited long enough since the last press to ignore any noise...  
  if (reading == HIGH && previous == LOW && millis() - time > debounce) {
    // ... invert the output
    if (state == HIGH)
      state = LOW;
    else
      state = HIGH;
    // Action the state  
    if(state == HIGH)
        VideoOn();
    else
        VideoOff();

    // ... and remember when the last button press was
    time = millis();    
  }

  digitalWrite(outPin, state);
  previous = reading;
}


void VideoOn(void)
{
    Serial.println("Video On");
    digitalWrite(ledPin1, HIGH);
    delay(ONTIME);
    digitalWrite(ledPin1, LOW);
    delay(OFFTIME);
    
    digitalWrite(ledPin4, HIGH);
    delay(ONTIME);
    digitalWrite(ledPin4, LOW);
    delay(OFFTIME);

    digitalWrite(ledPin2, HIGH);
    delay(ONTIME);
    digitalWrite(ledPin2, LOW);

}

void VideoOff(void)
{
    Serial.println("Video Off");
    digitalWrite(ledPin1, HIGH);
    delay(ONTIME);
    digitalWrite(ledPin1, LOW);
    delay(OFFTIME);
    
    digitalWrite(ledPin3, HIGH);
    delay(ONTIME);
    digitalWrite(ledPin3, LOW);

    digitalWrite(ledPin2, HIGH);
    delay(ONTIME);
    digitalWrite(ledPin2, LOW);

}