#include "millisDelay.h"

const int BUTTON = 2;
const int LED = 3;

int BUTTONstate = 0;
//int counter = 0;
int pressed = 0;


//Debouncing code:
int prevBUTTONstate;
int LEDstate;
int prevLEDstate;
unsigned int counter;
unsigned int lastDebounce;
unsigned int debounceDelay;



void setup()
{
  pinMode(BUTTON, INPUT);
  pinMode(LED, OUTPUT);
 
  BUTTONstate = LOW;            //Debouncing code
  prevBUTTONstate = LOW;        //Debouncing code
  LEDstate = LOW;               //Debouncing code
  prevLEDstate = LOW;           //Debouncing code
  
  counter = 0;                  //Debouncing code
  lastDebounce = 0;             //Debouncing code
  debounceDelay = 0;            //Debouncing code


  Serial.begin(9600);
}

void loop()
{
//Debouncing code

BUTTONstate = digitalRead(BUTTON);


if(BUTTONstate != prevBUTTONstate){
  lastDebounce = millis();
  // every time the button state changes, get the time of that change
}

if ((millis() - lastDebounce) > debounceDelay) {
LEDstate = BUTTONstate;
/**********************************************************************************************
  if the difference between the last time the button changed is greater than the delay period
  it is safe to say the button is in the final steady state
  so set the LED state to button state.
***********************************************************************************************/
}

 
 
 
 
 
// verification code, and a button press counter
 
if ((prevLEDstate == HIGH) && (LEDstate == LOW)) {
//count rising edges
counter++; 
Serial.println(counter);
}
 



// set current states to previous states
digitalWrite(LED, LEDstate);
prevBUTTONstate = BUTTONstate;
prevLEDstate = LEDstate;
}

//Old code:
/******************************************************

  if (BUTTONstate == HIGH)
  {
    pressed = 1;
    digitalWrite(LED, HIGH);
  } 
  if (BUTTONstate == LOW && digitalRead(LED)== HIGH)
  {
    pressed = 0;
    digitalWrite(LED, LOW);
  }
  if (digitalRead(BUTTON)==1 && BUTTONstate == LOW){
    counter++;
    Serial.println(counter,DEC);
  }
*****************************************************/