/*program to interface LEDs at pins 10,11,12,13 and button at pins 7. 
 The press of button changes the pattern of LED glow.
 (considering four patterns of LED glow)*/ 
#include<ezButton.h>
//#include<EasyButton>
#define led1 10 
#define led2 11 
#define led3 12 
#define led4 13
ezButton button(7);
int count=0;
void setup() {
  // put your setup code here, to run once:
pinMode(led1, OUTPUT);
pinMode(led2, OUTPUT);
pinMode(led3, OUTPUT);
pinMode(led4, OUTPUT);
button.setDebounceTime(100);
 Serial.begin(9600);
}
 
void buttonLoop(){
  while(count=1){
    for(int i=10;i<14;i++){
    digitalWrite(i,HIGH);
    delay(500);
  }
   for(int i=13;i>9;i--){
   digitalWrite(i,LOW);
   delay(500);
}
if(button.isPressed())
break;
}
while(count=2){
    for(int i=10;i<14;i++){
    digitalWrite(i,HIGH);
    
  }delay(500);
   for(int i=13;i>9;i--){
   digitalWrite(i,LOW);
   
}delay(500);
if(button.isPressed())
break;
}
while(count==3){
    for(int i=10;i<14;i++){
      if(i%=0){
    digitalWrite(i,HIGH);
    delay(500);
  }
   else{
   digitalWrite(i,LOW);
   delay(500);
}
}
if(button.isPressed())
break;
}
while(count==4){
    for(int i=10;i<14;i++){
    digitalWrite(i,HIGH);
    
  }delay(100);
   for(int i=13;i>9;i--){
   digitalWrite(i,LOW);
   
}delay(100);
if(button.isPressed())
break;
}
}



void loop() {
  // put your main code here, to run repeatedly:
button.loop(); // MUST call the loop() function first

  if(button.isPressed()){
    count=count+1;
    Serial.print("The button is pressed");
  Serial.println(count);
  buttonLoop();
  }
}