#include "SevSeg.h"

SevSeg S;
byte CommonPins[] = {};            // common pin numbers for multi-digit display 
byte SegPins[] = {2,3,4,5,6,7,8};  // 7-segment display pins in the order,{a,b,c,d,e,f,g,dp}

int red = 9;
int yellow = 10;
int green=11;

void setup()
{
  // Syntax
    // begin(COMMON_CATHODE, NumberOfDigits, CommonPins[], SevenSegPins[], resistorUsed)
      S.begin(COMMON_CATHODE, 1, CommonPins, SegPins, 1);

        pinMode(9, OUTPUT);
          pinMode(10, OUTPUT);
            pinMode(11, OUTPUT);

              
              }

              void loop()
              {
                for(int i=9; i>=0; i--)
                  {
                      disPlay(i);
                          delay(2000);
                              if(i<=3)
                                  {
                                    digitalWrite(red, HIGH);
                                        digitalWrite(yellow, LOW);
                                              digitalWrite(green, LOW);
                                                  }    
                                                    }

                                                      digitalWrite(green, HIGH);
                                                        digitalWrite(yellow, LOW);

                                                          for(int i=9; i>=0; i--)
                                                            {
                                                                disPlay(i);
                                                                    delay(2000);
                                                                        if(i<=3)
                                                                            {
                                                                                  digitalWrite(yellow, HIGH);
                                                                                        digitalWrite(green, LOW);
                                                                                            }
                                                                                                
                                                                                                  }

                                                                                                    digitalWrite(red, HIGH);
                                                                                                      digitalWrite(yellow, LOW);
                                                                                                        digitalWrite(green, LOW);
                                                                                                          
                                                                                                              

                                                                                                              }


                                                                                                              void disPlay(int num)
                                                                                                              {
                                                                                                                  S.setNumber(num);
                                                                                                                      S.refreshDisplay();
                                                                                                                          delay(20);
                                                                                                                          }