fdefrag

#include <rtl.h>

int fdefrag  (
    const char *drive);    /* drive to defragment */

The function fdefrag defragments the Embedded File System. The parameter drive is a character pointer specifying the drive letter.

The function is included in the RL-FlashFS library. The prototype is defined in the file rtl.h.

The following values are allowed for the parameter drive:

• 0 - on success.
• 1 - Files are open for reading or writing. Attempt to defragment a FAT media.
• 2 - no Flash pages available for defragmentation.

fanalyse, fcheck

#include <rtl.h>;

void free_space (void)  {

  printf ("\nFree space before defrag: %d bytes.", ffree("F:"));
  if (fanalyse("F:") > 50)  {
     fdefrag ("F:");
  }
  printf ("\nFree space after defrag: %d bytes.", ffree("F:"));
}