#include "setup.h"
#define DELAY 100
#define MAX_COLS 8
#define ROW_ACTIVE_MASK(i) (~(0x01 << (i)))
void time_delay(void);

int main()
{
  DDRF = 0xFF;
  DDRK = 0xFF;

  // each containing values to activate columns to display Display Character B
  const uint8_t pattern_bitmap[MAX_COLS] = {0x1C, 0x24, 0x24, 0x1C, 0x1C, 0x24, 0x24, 0x1C};
  uint8_t i;
  while (1)
  {
    for (i = 0; i < MAX_COLS; i++)
    {
      PORTK = ROW_ACTIVE_MASK(i);
      PORTF = pattern_bitmap[i];
      time_delay();
      PORTF = 0x00;
    }
 


  }
  
}

void time_delay(void)
{
  volatile uint32_t d = DELAY;
  while (d-- > 0);
}