ioc_getcb

#include <file_config.h>

FAT_VI* ioc_getcb  (
  const char* drive);     /* Drive to get control block of */

The function ioc_getcb recieves a handle for the FAT Media control interface.

The parameter drive specifies the drive letter for which to receive the handle. The following values are allowed for the drive argument:

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

note

Support for ioc routines is only available on Memory Card and NAND Flash drives!

• FAT_VI - on success.
• NULL - on failure.

ioc_init, ioc_read_info, ioc_read_sect, ioc_uninit, ioc_write_sect

#include <File_Config.h>

FAT_VI *mc0;                                    /* Media Control Block */

void main (void) {
   ..
  mc0 = ioc_getcb (NULL);
  if (ioc_init (mc0) == 0) {
    ioc_read_info (&info, mc0);                 /* Default drive is M0: */
    USBD_MSC_BlockSize  = 512;
    USBD_MSC_BlockGroup = mc0->CaSize + 2;      /* Cache buffer from File_Config.c */
    USBD_MSC_BlockCount = info.block_cnt * (info.read_blen / 512);
    USBD_MSC_MemorySize = USBD_MSC_BlockCount * info.read_blen;
    USBD_MSC_BlockBuf   = (U8 *)mc0->CaBuf;
    usbd_connect(__TRUE);                       /* USB Connect */
    set_cursor (0, 1);
    lcd_print ("  PC Interface  ");
  }
  else {                                        /* Card Failure! */
    LED_On(LED_MSK);
    set_cursor (0, 1);
    lcd_print (" Card Failure!  ");
  }
   ..
}