#include <ezButton.h>
#include <avr/io.h>
#include <avr/interrupt.h>

#define PIN_TOGGLE(port, pin) (PORT ## port) ^= (1 << (pin))		//makro na toggle led
//PIN_TOGGLE(B, 5);   // Toggle Pin13 (B5) State       PB5 ak a13
  
const int SHORT_PRESS_TIME = 2000; // 1000 milliseconds
const int LONG_PRESS_TIME  = 2000; // 1000 milliseconds

ezButton button1(A0, INPUT_PULLUP);  // create ezButton object that attach to pin 7;
ezButton button2(A1, INPUT_PULLUP); 
ezButton button3(A2, INPUT_PULLUP); 
ezButton button4(A3, INPUT_PULLUP); 
ezButton button5(A4, INPUT_PULLUP); 
ezButton button6(A5, INPUT_PULLUP); 
ezButton button7(3, INPUT_PULLUP); 

unsigned long pressedTime  = 0;
unsigned long releasedTime = 0;

const int LED_pin = 13; 	//interní led
const int sekce1 = 12;
const int sekce2 = 11;
const int sekce3 = 10;
const int sekce4 = 9;
const int sekce5 = 8;	
const int sekce6 = 7;
const int sekce7 = 6;
const int MV	 = 5;

int sec;
int RS;

//  ------------------------ SETUP -----------------------------------------------------------------
void setup() 
{
// --------- eZbutton debounce time --------------------------------
   button1.setDebounceTime(50); 
   button2.setDebounceTime(50);
   button3.setDebounceTime(50);
   button4.setDebounceTime(50);
   button5.setDebounceTime(50);
   button6.setDebounceTime(50);
   button7.setDebounceTime(50);

// ----- IO periferie -------------------------------------------------------   
   pinMode(LED_pin, OUTPUT);
   pinMode(sekce1, OUTPUT);
   pinMode(sekce2, OUTPUT);
   pinMode(sekce3, OUTPUT);
   pinMode(sekce4, OUTPUT);
   pinMode(sekce5, OUTPUT);
   pinMode(sekce6, OUTPUT);
   pinMode(sekce7, OUTPUT);
   pinMode(MV, OUTPUT);
      
// -------  MPU TIMER 1 ----------------------------------------------  
   cli();				// zákaz vsech prerusení
   TCCR1A = 0;				// reset vitace A
   TCCR1B = 0; 				// reset citace B
   OCR1A = 0xF424;			// porovnavaci registr - zadani hodnoty 62 500
   TCCR1B = (1<<WGM12) | (1<<CS12); 	// delicka hodin
   TIMSK1 = (1<<OCIE1A); 		// povoleni interrupt preteceni citace
   sei();
// -------------------------------------------------------------------------  
}

void loop() 
{
  butt_init();			//inicializace ezbuttons
  if(RS == 0)
  {
  sek1();				    
  sek2();
  sek3();
  sek4();
  sek5();
  sek6();
  sek7();
  }

if(RS == 1)
{
  sek1();
}
if(RS == 2){
  sek2();
}
if(RS == 3){
  sek3();
}
if(RS == 4){
  sek4();
}
if(RS == 5){
  sek5();
}
if(RS == 6){
  sek5();
}
if(RS == 7){
  sek7();
}

}







// ----------------OBSLUHA ISR T1 COMPARE A-----------------------
ISR(TIMER1_COMPA_vect)		//obsluha vektoru přerušeni od čítače 1
{
   sec--;			// pricte impuls do citace vterin
   flash();			//neguje led
   if(sec <=0)			//
	 {
	  RS = 0;
	  sec = 0;
	 }
}	
// ---------- VOIDS ----------------------------------
void sek1()
{
if(button1.isPressed())
    pressedTime = millis();

  if(button1.isReleased()) 
  {
    releasedTime = millis();
    long pressDuration = releasedTime - pressedTime;
    if( pressDuration < SHORT_PRESS_TIME )
      {sec = sec + 10;
      digitalWrite(sekce1, HIGH);
      digitalWrite(MV, HIGH);
      RS = 1; 			//pomocná promenná že beží sekce 1
      }
    if( pressDuration > LONG_PRESS_TIME )
      {Serial.println("A long press is detected");
      digitalWrite(sekce1, LOW);
      digitalWrite(MV, LOW);
      sec = 0;
      RS = 0;
      }
     }
  
      if (RS == 0)
      {
      digitalWrite(sekce1,LOW);
      digitalWrite(MV, LOW);
  }
}
// -------------------------------------------------------------------------------------------------
void sek2()
{
 if(button2.isPressed())
    pressedTime = millis();

  if(button2.isReleased()) 
  {
      releasedTime = millis();
      long pressDuration = releasedTime - pressedTime;
	 if( pressDuration < SHORT_PRESS_TIME )
	 {
	 sec = sec + 10;
	 digitalWrite(sekce2, HIGH);
	 digitalWrite(MV, HIGH);
	 RS = 2; 			//pomocná promenná že beží sekce 2
	 }
	    if( pressDuration > LONG_PRESS_TIME )
	    {
	    digitalWrite(sekce2, LOW);
	    digitalWrite(MV, LOW);
	    sec = 0;
	    RS = 0;
	    }
	 }
  
 if (RS == 0)
  {
  digitalWrite(sekce2,LOW);
  digitalWrite(MV, LOW);
  }
}
//------------------------------------------------------------
void sek3()
{
 if(button3.isPressed())
    pressedTime = millis();

  if(button3.isReleased()) 
  {
      releasedTime = millis();
      long pressDuration = releasedTime - pressedTime;
	 if( pressDuration < SHORT_PRESS_TIME )
	 {
	 sec = sec + 10;
	 digitalWrite(sekce3, HIGH);
	 digitalWrite(MV, HIGH);
	 RS = 3; 			//pomocná promenná že beží sekce 3
	 }
	    if( pressDuration > LONG_PRESS_TIME )
	    {
	    digitalWrite(sekce3, LOW);
	    digitalWrite(MV, LOW);
	    sec = 0;
	    RS = 0;
	    }
	 }
 if (RS == 0)
  {
  digitalWrite(sekce3,LOW);
  digitalWrite(MV, LOW);
  }
}
// ---------------------------------------------------------------------------------
void sek4()
{
 if(button4.isPressed())
    pressedTime = millis();

  if(button4.isReleased()) 
  {
      releasedTime = millis();
      long pressDuration = releasedTime - pressedTime;
	 if( pressDuration < SHORT_PRESS_TIME )
	 {
	 sec = sec + 10;
	 digitalWrite(sekce4, HIGH);
	 digitalWrite(MV, HIGH);
	 RS = 4; 			//pomocná promenná že beží sekce 4
	 }
	    if( pressDuration > LONG_PRESS_TIME )
	    {
	    digitalWrite(sekce4, LOW);
	    digitalWrite(MV, LOW);
	    sec = 0;
	    RS = 0;
	    }
	 }
 if (RS == 0)
  {
  digitalWrite(sekce4,LOW);
  digitalWrite(MV, LOW);
  }
}
// -----------------------------------------------------------------------------------------
void sek5()
{
 if(button5.isPressed())
    pressedTime = millis();

  if(button5.isReleased()) 
  {
      releasedTime = millis();
      long pressDuration = releasedTime - pressedTime;
	 if( pressDuration < SHORT_PRESS_TIME )
	 {
	 sec = sec + 10;
	 digitalWrite(sekce5, HIGH);
	 digitalWrite(MV, HIGH);
	 RS = 5; 			//pomocná promenná že beží sekce 5
	 }
	    if( pressDuration > LONG_PRESS_TIME )
	    {
	    digitalWrite(sekce5, LOW);
	    digitalWrite(MV, LOW);
	    sec = 0;
	    RS = 0;
	    }
	 }
 if (RS == 0)
  {
  digitalWrite(sekce5,LOW);
  digitalWrite(MV, LOW);
  }
}
// -------------------------------------------------------------------------------------
void sek6()
{
 if(button6.isPressed())
    pressedTime = millis();

  if(button6.isReleased()) 
  {
      releasedTime = millis();
      long pressDuration = releasedTime - pressedTime;
	 if( pressDuration < SHORT_PRESS_TIME )
	 {
	 sec = sec + 10;
	 digitalWrite(sekce6, HIGH);
	 digitalWrite(MV, HIGH);
	 RS = 6; 			//pomocná promenná že beží sekce 5
	 }
	    if( pressDuration > LONG_PRESS_TIME )
	    {
	    digitalWrite(sekce6, LOW);
	    digitalWrite(MV, LOW);
	    sec = 0;
	    RS = 0;
	    }
	 }
 if (RS == 0)
  {
  digitalWrite(sekce6,LOW);
  digitalWrite(MV, LOW);
  }
}

void sek7()
{
 if(button7.isPressed())
    pressedTime = millis();

  if(button7.isReleased()) 
  {
      releasedTime = millis();
      long pressDuration = releasedTime - pressedTime;
	 if( pressDuration < SHORT_PRESS_TIME )
	 {
	 sec = sec + 10;
	 digitalWrite(sekce7, HIGH);
	 digitalWrite(MV, HIGH);
	 RS = 7; 			//pomocná promenná že beží sekce 7
	 }
	    if( pressDuration > LONG_PRESS_TIME )
	    {
	    digitalWrite(sekce7, LOW);
	    digitalWrite(MV, LOW);
	    sec = 0;
	    RS = 0;
	    }
	 }
 if (RS == 0)
  {
  digitalWrite(sekce7,LOW);
  digitalWrite(MV, LOW);
  }
}
// ----------------------------------------------------------------------------------------------
void butt_init()
  {
  button1.loop(); // MUST call the loop() function first
  button2.loop(); 
  button3.loop(); 
  button4.loop(); 
  button5.loop(); 
  button6.loop();
  button7.loop(); 
  }
// -----------------------------------------------------------
void flash()		//  funkce bliknuti_negace led 
{
   static boolean output = HIGH;
   digitalWrite(LED_pin, output);
   output = !output;
}