//Connect FOUR 7-Segment Displays to 4 individual ports

/* 
05 Display 0000 to 9999 in loop with delay.
06 Display 0.000 to 999.9 in loop with delay.
07 Display 0 to 9999 in loop with delay. Do not display the prefix 0.
08 Display 9999 to 0 in loop with delay. Do not display the prefix 0.
09 Display the two-digit prime numbers in loop.
10 Display a clock (Min & Sec only).
*/

/* MAIN CODE */

#include "seven_segment.h"
//macros 
#define ZERO          0x3F
#define ONE	          0X06
#define TWO	          0X5B
#define THREE	        0X4F
#define FOUR	        0X66
#define FIVE	        0X6D
#define SIX	          0X7D
#define SEVEN	        0X07
#define EIGHT	        0X7F
#define NINE	        0X6F
#define DECIMAL_POINT 0X80
#define DELAY_COUNT   100000

const char arr_num[]={ZERO, ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE};

void setup() {
  // put your setup code here, to run once:
  seven_segment_init();

}

void loop() {
  // put your main code here, to run repeatedly:
  char c,a,k,f;
  //basic check
  //output_f(ONE);
  //display_delay(DELAY_COUNT);
  //output_k(TWO);
  //display_delay(DELAY_COUNT);
  //output_a(THREE);
  //display_delay(DELAY_COUNT);
  //output_c(FOUR);
  //display_delay(DELAY_COUNT);

  /*  
  //Task 05: Display 0000 to 9999 in loop with delay.

  for(f=0;f<10;f++)
  {
    output_f(arr_num[f]);
    display_delay(DELAY_COUNT); 
    for(k=0;k<10;k++)
    {
      output_k(arr_num[k]);
      display_delay(DELAY_COUNT); 
        for(a=0;a<10;a++)
        {
          output_a(arr_num[a]);
          display_delay(DELAY_COUNT);
          for (c=0;c<10;c++)
          {
            output_c(arr_num[c]);
            display_delay(DELAY_COUNT);
          }
          output_c(ZERO);
        }
    }
  }
  */

  /* 
  //Task 06: Display 0.000 to 999.9 in loop with delay

  for(f=0;f<10;f++)
  {
    output_f((arr_num[f])| (DECIMAL_POINT));
    display_delay(DELAY_COUNT); 
    for(k=0;k<10;k++)
    {
      output_k(arr_num[k]);
      display_delay(DELAY_COUNT); 
        for(a=0;a<10;a++)
        {
          output_a(arr_num[a]);
          display_delay(DELAY_COUNT);
          for (c=0;c<10;c++)
          {
            output_c(arr_num[c]);
            display_delay(DELAY_COUNT);
          }
          output_c(ZERO);
        }
    }
  } 
  */

  /*   
  //Task 07: Display 0 to 9999 in loop with delay. Do not display the prefix 0

  for(f=1;f<10;f++)
  {
    for(k=1;k<10;k++)
    {
        for(a=1;a<10;a++)
        {
          for (c=0;c<10;c++)
          {
            output_c(arr_num[c]);
            display_delay(DELAY_COUNT);
          }
          output_c(ZERO);
          output_a(arr_num[a]);
          display_delay(DELAY_COUNT);
        }
      output_a(ZERO);
      output_k(arr_num[k]);
      display_delay(DELAY_COUNT); 
    }
    output_k(ZERO);
    output_f(arr_num[f]);
    display_delay(DELAY_COUNT); 
  }
  */

  /*
  //Task 08:  Display 9999 to 0 in loop with delay. Do not display the prefix 0

  for(f=9;f>=0;f--)
  {
    output_f(arr_num[f]);
    display_delay(DELAY_COUNT); 
    for(k=9;k>=0;k--)
    {
      output_k(arr_num[k]);
      display_delay(DELAY_COUNT); 
        for(a=9;a>=0;a--)
        {
          output_a(arr_num[a]);
          display_delay(DELAY_COUNT);
          for(c=9;c>=0;c--)
          {
            output_c(arr_num[c]);
            display_delay(DELAY_COUNT);
          }
         }

        }
    }
  */

// Task 09: Display the two-digit prime numbers in loop.

/* */
//Task 10: Display a clock (Min & Sec only).
  for(f=0;f<6;f++)
  {
    output_f(arr_num[f]);
    display_delay(DELAY_COUNT); 
    for(k=0;k<10;k++)
    {
      output_k(arr_num[k]);
      display_delay(DELAY_COUNT); 
        for(a=0;a<6;a++)
        {
          output_a(arr_num[a]);
          display_delay(DELAY_COUNT);
          for (c=0;c<10;c++)
          {
            output_c(arr_num[c]);
            display_delay(DELAY_COUNT);
          }
        }
    }
  }
}