//ESP – 7 Segment Problems – Set 1
//Do not forget to change the default common anode to common cathode type in diagram.json.

void setup() {
  // put your setup code here, to run once:
  volatile char *DIR_F = (char*)0x30;//DDRF – Port F Data Direction Register
  *DIR_F = 0xFF;// set PORT F as output register
}

void loop() {
  // put your main code here, to run repeatedly:
  volatile long int i;
  volatile char *OUT_F = (char*)0x31; // PORTF – Port F Data Register

  //Display 0 to 9 without decimal points 
 /* *OUT_F =0x3F;//0
  for(i=0;i<400000;i++);
  *OUT_F =0x30;//1
  for(i=0;i<400000;i++);
  *OUT_F =0x5B;//2
  for(i=0;i<400000;i++);
  *OUT_F =0x4F;//3
  for(i=0;i<400000;i++);
  *OUT_F =0x66;//4
  for(i=0;i<400000;i++);
  *OUT_F =0x6D;//5
  for(i=0;i<400000;i++);
  *OUT_F =0x7D;//6
  for(i=0;i<400000;i++);
  *OUT_F =0x07;//7
  for(i=0;i<400000;i++);
  *OUT_F =0x7F;//8
  for(i=0;i<400000;i++);
  *OUT_F =0x67;//9
  for(i=0;i<400000;i++);

  //Display 0 to 9 with decimal points
  *OUT_F =0xBF;//0
  for(i=0;i<400000;i++);
  *OUT_F =0xB0;//1
  for(i=0;i<400000;i++);
  *OUT_F =0xDB;//2
  for(i=0;i<400000;i++);
  *OUT_F =0xCF;//3
  for(i=0;i<400000;i++);
  *OUT_F =0xE6;//4
  for(i=0;i<400000;i++);
  *OUT_F =0xED;//5
  for(i=0;i<400000;i++);
  *OUT_F =0xFD;//6
  for(i=0;i<400000;i++);
  *OUT_F =0x87;//7
  for(i=0;i<400000;i++);
  *OUT_F =0xFF;//8
  for(i=0;i<400000;i++);
  *OUT_F =0xE7;//9
  for(i=0;i<400000;i++);

  //Display 9 to 0 with delay 
  *OUT_F =0x67;//9
  for(i=0;i<400000;i++);
  *OUT_F =0x7F;//8
  for(i=0;i<400000;i++);
  *OUT_F =0x07;//7
  for(i=0;i<400000;i++);
  *OUT_F =0x7D;//6
  for(i=0;i<400000;i++);
  *OUT_F =0x6D;//5
  for(i=0;i<400000;i++);
  *OUT_F =0x66;//4
  for(i=0;i<400000;i++);
  *OUT_F =0x4F;//3
  for(i=0;i<400000;i++);
  *OUT_F =0x5B;//2
  for(i=0;i<400000;i++);
  *OUT_F =0x30;//1
  for(i=0;i<400000;i++);
  *OUT_F =0x3F;//0
  for(i=0;i<400000;i++);

  //Display odd numbers with delay
  *OUT_F =0x30;//1
  for(i=0;i<400000;i++);
  *OUT_F =0x4F;//3
  for(i=0;i<400000;i++);
  *OUT_F =0x6D;//5
  for(i=0;i<400000;i++);
  *OUT_F =0x07;//7
  for(i=0;i<400000;i++);
  *OUT_F =0x67;//9
  for(i=0;i<400000;i++);

  //Display even numbers with delay
  *OUT_F =0x3F;//0
  for(i=0;i<400000;i++);
  *OUT_F =0x5B;//2
  for(i=0;i<400000;i++);
  *OUT_F =0x66;//4
  for(i=0;i<400000;i++);
  *OUT_F =0x7D;//6
  for(i=0;i<400000;i++);
  *OUT_F =0x7F;//8
  for(i=0;i<400000;i++);*/

  //Display the possible alphabets ( A to Z)
  *OUT_F =0x77;//A
  for(i=0;i<400000;i++);
  *OUT_F =0x7F;//B
  for(i=0;i<400000;i++);
  *OUT_F =0x39;//C
  for(i=0;i<400000;i++);
  *OUT_F =0x79;//E
  for(i=0;i<400000;i++);
  *OUT_F =0x71;//F
  for(i=0;i<400000;i++);
  *OUT_F =0x7D;//G
  for(i=0;i<400000;i++);
  *OUT_F =0x76;//H
  for(i=0;i<400000;i++);
  *OUT_F =0x1E;//J
  for(i=0;i<400000;i++);
  *OUT_F =0x38;//L
  for(i=0;i<400000;i++);
  *OUT_F =0x3F;//O
  for(i=0;i<400000;i++);
  *OUT_F =0x3F;//0
  for(i=0;i<400000;i++);
  *OUT_F =0x73;//P
  for(i=0;i<400000;i++);
  *OUT_F =0x6D;//S
  for(i=0;i<400000;i++);
  *OUT_F =0x3E;//U
  for(i=0;i<400000;i++);
  *OUT_F =0x66;//Y
  for(i=0;i<400000;i++);







}