u32 FSMC_NAND_ReadStatus(void)
{
  u32 data = 0x00, status = NAND_BUSY;

  /* Read status operation ------------------------------------ */
  *(vu8 *)(Bank_NAND_ADDR | CMD_AREA) = NAND_CMD_STATUS;
       
  data = *(vu8 *)(Bank_NAND_ADDR);

  if((data & NAND_ERROR) == NAND_ERROR)//SR0
  {
    status = NAND_ERROR;
  }
  else if((data & NAND_READY) == NAND_READY)//SR6
  {
    status = NAND_READY;
  }
  else
  {
    status = NAND_BUSY;
  }
  
  return (status);
}