#include "SevSeg.h"
SevSeg sevseg; 

unsigned long previousMillis = 0;  //will store last time LED was blinked
const long period = 1000;         // period at which to blink in ms

int led_red=12;
int led_green=11;
int led_grng1=13;
int led_grng2=9;
int key=10;
 


void setup(){
    byte numDigits = 1;
    byte digitPins[] = {};
    byte segmentPins[] = {6, 5, 4, 3, 2, 7, 8, 1};
    bool resistorsOnSegments = true;

    byte hardwareConfig = COMMON_ANODE; 
    sevseg.begin(hardwareConfig, numDigits, digitPins, segmentPins, resistorsOnSegments);
    sevseg.setBrightness(90);

    pinMode(key, INPUT);
    pinMode(led_red, OUTPUT);
    pinMode(led_green, OUTPUT);
    pinMode(led_grng1, OUTPUT);
    pinMode(led_grng2, OUTPUT);

}

int i=1;
int cunter=0;
bool flg= false;
void loop(){

   if (digitalRead(key) == HIGH) {
        flg=true;
   } 

   if (flg)
   {
     if (i<=-1 && cunter==0)
     {
      digitalWrite(led_red, HIGH);
      digitalWrite(led_green, LOW);
      digitalWrite(led_grng1, LOW);
      digitalWrite(led_grng2, LOW);
      cunter++;
      i=9;
     }
   
    if (i<=-1 && cunter==1)
     {
      digitalWrite(led_red, LOW);
      digitalWrite(led_green, LOW);
      digitalWrite(led_grng1, HIGH);
      digitalWrite(led_grng2, LOW);
      cunter++;
      i=5;
     }


      if (i<=-1 && cunter==2)
     {
      digitalWrite(led_red, LOW);
      digitalWrite(led_green, HIGH);
      digitalWrite(led_grng1, LOW);
      digitalWrite(led_grng2, LOW);
      cunter++;
     i=9;
     }

  if (i<=-1 && cunter==3)
     {
      digitalWrite(led_red, LOW);
      digitalWrite(led_green, LOW);
      digitalWrite(led_grng1, LOW);
      digitalWrite(led_grng2, HIGH);
      cunter=0;
      i=5;
     }




   unsigned long currentMillis = millis(); // store the current time
  if (currentMillis - previousMillis >= period) { // check if 1000ms passed
   previousMillis = currentMillis;   // save the last time you blinked the LED
  
  
         sevseg.setNumber(i);
        sevseg.refreshDisplay();        
    if (i>=-1) i=i-1;    
  }
  }
}