//MOTOR 1 BEHAVIOUR....................
int dir=12;
int step=13;
int STEP_PER_REV=300;
int speed_dec = 6000;

int val,count,r;
int btn_check = 0;
int  impulse=0;

//MOTOR 2 BEHAVIOUR.....................
int dir_2=4;
int step_2=5;
int STEP_PER_REV_2=300;
int speed_dec_2 = 6000;

int val_2,count_2,r_2;
int btn_check_2 = 0;






void setup() {
//MOTOR OUTPUT
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
pinMode(12, OUTPUT);
pinMode(13, OUTPUT);

//COIN ACCEPTOR
pinMode(2, OUTPUT);
pinMode(3, INPUT);

//BUTTON PRESS
pinMode(7, INPUT_PULLUP);
pinMode(6, INPUT_PULLUP);

Serial.begin(9600);
Serial.println("Started!");
impulse=10;

}

void loop() 
{
  if(impulse==5)
  {
    Serial.print("\n5 Rs Coin inserted");
    val = digitalRead(7);
     //MOTOR 1
      if (val == 0)
      {
        count = count + 1;

        if (count == 1)
        {
          btn_check = btn_check + 1;
          r = 1;
          while (r <= 1)
          {
            digitalWrite(dir, HIGH);
            for (int x = 0; x < STEP_PER_REV; x++)
            {
              digitalWrite(step, HIGH);
              delayMicroseconds(speed_dec);
              digitalWrite(step, LOW);
              delayMicroseconds(3000);
              // Serial.print("\tOld Impulse: ");
              // Serial.print(impulse);
              impulse=0;
              // Serial.print("\tNew Impulse: ");
              // Serial.print(impulse);
            }


            delay(1000);
            r++;

            btn_check++;
            if (r == 2)
            {
              digitalWrite(step, LOW);
            }
          }
          count = 0;

        }
      }
    }
  
  if(impulse==10)
  {
    Serial.print("\n10 Rs Coin inserted");
    val_2 = digitalRead(6);
    if (val_2 == 0)
        {
          count_2 = count_2 + 1;

          if (count_2 == 1)
          {
            btn_check_2 = btn_check_2 + 1;
            r_2 = 1;
            while (r_2 <= 1)
            {
              digitalWrite(dir_2, HIGH);
              for (int x = 0; x < STEP_PER_REV_2; x++)
              {
                digitalWrite(step_2, HIGH);
                delayMicroseconds(speed_dec_2);
                digitalWrite(step_2, LOW);
                delayMicroseconds(3000);
                impulse=0;
              }


              delay(1000);
              r_2++;

              btn_check_2++;
              if (r_2 == 2)
              {
                digitalWrite(step_2, LOW);
              }
            }
            count_2 = 0;

          }
        }
      } 
    }