Various small changes

bdk/libs/fatfs/diskio.h

@@ -59,6 +59,7 @@ DRESULT disk_set_info (BYTE pdrv, BYTE cmd, void *buff);
 #define GET_SECTOR_SIZE		2	/* Get sector size (needed at FF_MAX_SS != FF_MIN_SS) */
 #define GET_BLOCK_SIZE		3	/* Get erase block size (needed at FF_USE_MKFS == 1) */
 #define CTRL_TRIM			4	/* Inform device that the data on the block of sectors is no longer used (needed at FF_USE_TRIM == 1) */
+#define SET_SECTOR_OFFSET	5	/* Set media logical offset */
 
 /* Generic command (Not used by FatFs) */
 #define CTRL_POWER			5	/* Get/Set power status */

bdk/utils/util.h

@@ -54,6 +54,8 @@ typedef enum
 #define byte_swap_32(num) ((((num) >> 24) & 0xff) | (((num) << 8) & 0xff0000) | \
 						(((num) >> 8 )& 0xff00) | (((num) << 24) & 0xff000000))
 
+#define byte_swap_16(num) ((((num) >> 8) & 0xff) | (((num) << 8) & 0xff00))
+
 typedef struct _cfg_op_t
 {
 	u32 off;