// Easy button Version 1.0
// Code writen by Matthew Varian www.3too1.com
// Free for distrubution and use 


byte RED = 15;    //red on pin 15
byte BLUE = 12;   //blue on pin 12
byte GREEN = 14;  //Green on pin 14
byte COLORS[] = {RED, BLUE, GREEN};
boolean on = true;
int i = 0;

int max  = 2;   // max number of menue options you want change to whatever you want
int min = 0;    // min number of menue options you want(leave at zero)

int up =0;
int down=0;

#define encoder0PinA  6 
#define encoder0PinB  7




#define BOUNCE_DURATION 100   // define an appropriate bounce time in ms for your encoder
volatile unsigned long bounceTime=0; // variable to hold ms count to debounce a pressed switch


volatile unsigned int encoder0Pos = 0;

int menue=min+1;
int EasyButton0 = 20;
int EasyButton1 = 21;

int buttonState = 0; 

void setup() 
	{
		pinMode(RED, OUTPUT); 
		pinMode(GREEN, OUTPUT); 
		pinMode(BLUE, OUTPUT); 

    	pinMode(encoder0PinA, INPUT); 
		digitalWrite(encoder0PinA, HIGH);       // turn on pullup resistor
		pinMode(encoder0PinB, INPUT); 
		digitalWrite(encoder0PinB, HIGH);       // turn on pullup resistor
    	 
		attachInterrupt(1, intHandler1, CHANGE);
	    pinMode(EasyButton0,INPUT_PULLUP);
		pinMode(EasyButton1,OUTPUT);
		digitalWrite(EasyButton1, LOW);

    } 

void loop() {
 
	 
	if(up==1)
	{
		 
		if (menue ==max)
		menue=min;
		else
		menue++;
			
		up=0;
	
	}
	if(down==1)
	{
			 
		if (menue ==min)
		menue=max;
		else
		menue--;
		
		down=0;

	}
		 
	 	switch(menue)
	{
		case 0:
			function0();
			break;
		case 1:
			function1();
			break;		
		case 2:
			function2();
			break;
		case 3:
			function3();
			break;	
		case 4:
			function4();
			break;
		case 5:
			function5();
			break;
		case 6:
			function6();
			break;		
		case 7:
			function7();
			break;
		case 8:
			function8();
			break;	
		case 9:
			function9();
			break;	
		case 10:
			function10();
			break;

	}

 
 
 
 
 
   buttonState = !digitalRead(EasyButton0);

}

void doEncoder() {

  if (digitalRead(encoder0PinA) == digitalRead(encoder0PinB)) 
  {
   up=1;
  } 
  else
  {
   down=1;
  }
}




void intHandler1(){  
	if(millis() > bounceTime)  
	{
		doEncoder();
		bounceTime = millis() + BOUNCE_DURATION;  // set whatever bounce time in ms is appropriate
	}
}


void function0() //paste
{
	digitalWrite(BLUE, HIGH);
	if(!digitalRead(EasyButton0))
	{
			  
		  // press and hold CTRL
		Keyboard.set_modifier(MODIFIERKEY_CTRL);
		Keyboard.send_now();
		Keyboard.set_key1(KEY_V);
		Keyboard.send_now();

		// release all the keys at the same instant
		Keyboard.set_modifier(0);
		Keyboard.set_key1(0);
		Keyboard.send_now();
			delay(800);
		  
	}

	digitalWrite(BLUE, LOW);
}

void function1()
	{
	digitalWrite(RED, HIGH);
	if(!digitalRead(EasyButton0))
	{
		int l;
		for (l=0; l<40; l++)
		{
		Mouse.move(-10, 0);
		delay(25);
		}
		for (l=0; l<40; l++) 
		{
		Mouse.move(10, 0);
		delay(25);
		}
	}
	digitalWrite(RED, LOW);
}

void function2() //copy
{	digitalWrite(GREEN, HIGH);
	if(!digitalRead(EasyButton0))
	{
				


		Keyboard.set_modifier(MODIFIERKEY_CTRL);
		Keyboard.send_now();
		Keyboard.set_key1(KEY_C);
		Keyboard.send_now();

		// release all the keys at the same instant
		Keyboard.set_modifier(0);
		Keyboard.set_key1(0);
		Keyboard.send_now();
		  
		  delay(800);
		  
  
	}
	digitalWrite(GREEN, LOW);
}

void function3()
{
}

void function4()
{
}

void function5()
{
}

void function6()
{
}

void function7()
{
}

void function8()
{
}

void function9()
{
}

void function10()
{
}