Matthew Shoemaker
USB Host Lite downloaded from NXP web site. Untested! Compiled, dropped on MBED, booted up, and get the console message that it is initializing the stack. I however do not have the ability to connect a USB Memory device to test it.
Fat/usbhost_fat.h
- Committer:
- mshoemaker
- Date:
- 2010-01-13
- Revision:
- 0:0826fcc5d020
File content as of revision 0:0826fcc5d020:
/*
**************************************************************************************************************
* NXP USB Host Stack
*
* (c) Copyright 2008, NXP SemiConductors
* (c) Copyright 2008, OnChip Technologies LLC
* All Rights Reserved
*
* www.nxp.com
* www.onchiptech.com
*
* File : usbhost_fat.h
* Programmer(s) : Ravikanth.P
* Version :
*
**************************************************************************************************************
*/
#ifndef USBHOST_FAT_H
#define USBHOST_FAT_H
/*
**************************************************************************************************************
* INCLUDE HEADER FILES
**************************************************************************************************************
*/
#include "usbhost_inc.h"
/*
**************************************************************************************************************
* FAT DEFINITIONS
**************************************************************************************************************
*/
#define FAT_16 1
#define LAST_ENTRY 1
#define FREE_ENTRY 2
#define LFN_ENTRY 3
#define SFN_ENTRY 4
#define RDONLY 1
#define RDWR 2
/*
**************************************************************************************************************
* TYPE DEFINITIONS
**************************************************************************************************************
*/
typedef struct boot_sec {
USB_INT32U BootSecOffset; /* Offset of the boot sector from sector 0 */
USB_INT16U BytsPerSec; /* Bytes per sector */
USB_INT08U SecPerClus; /* Sectors per cluster */
USB_INT32U BytsPerClus; /* Bytes per cluster */
USB_INT16U RsvdSecCnt; /* Reserved sector count */
USB_INT08U NumFATs; /* Number of FAT copies */
USB_INT16U RootEntCnt; /* Root entry count */
USB_INT16U TotSec16; /* Total sectors in the disk. !=0 if TotSec32 = 0 */
USB_INT32U TotSec32; /* Total sectors in the disk. !=0 if TotSec16 = 0 */
USB_INT16U FATSz16; /* Sectors occupied by single FAT table */
USB_INT08U FATType; /* File system type */
USB_INT32U RootDirSec; /* Sectors occupied by root directory */
USB_INT32U RootDirStartSec; /* Starting sector of the root directory */
USB_INT32U FirstDataSec; /* Starting sector of the first data cluster */
} BOOT_SEC;
typedef struct file_entry {
USB_INT32U FileSize; /* Total size of the file */
USB_INT16U CurrClus; /* Current cluster of the cluster offset */
USB_INT32U CurrClusOffset; /* Current cluster offset */
USB_INT32U EntrySec; /* Sector where the file entry is located */
USB_INT32U EntrySecOffset; /* Offset in the entry sector from where the file is located */
USB_INT08U FileStatus; /* File's open status */
} FILE_ENTRY;
/*
**************************************************************************************************************
* FUNCTION PROTOTYPES
**************************************************************************************************************
*/
USB_INT32S FAT_Init (void);
USB_INT08U FAT_GetFATType (void);
void PrintBootSec (void);
USB_INT32S FILE_Open ( USB_INT08U *file_name,
USB_INT08U flags);
USB_INT32S FAT_FindEntry ( USB_INT08U *ent_name_given,
FILE_ENTRY *entry);
void FAT_GetSFN (volatile USB_INT08U *entry,
USB_INT08U *name);
void FAT_GetSfnName (volatile USB_INT08U *entry,
USB_INT08U *name);
void FAT_GetSfnExt (volatile USB_INT08U *entry,
USB_INT08U *ext_ptr);
USB_INT32S FAT_StrCaseCmp ( USB_INT08U *str1,
USB_INT08U *str2);
USB_INT32U FAT_ChkEntType (volatile USB_INT08U *ent);
USB_INT32U FAT_ClusRead ( USB_INT16U curr_clus,
USB_INT32U clus_offset,
volatile USB_INT08U *buffer,
USB_INT32U num_bytes);
USB_INT32U FILE_Read ( USB_INT32S fd,
volatile USB_INT08U *buffer,
USB_INT32U num_bytes);
USB_INT16U FAT_GetNextClus ( USB_INT16U clus_no);
USB_INT32U FAT_ClusWrite ( USB_INT16U curr_clus,
USB_INT32U clus_offset,
volatile USB_INT08U *buffer,
USB_INT32U num_bytes);
USB_INT32U FILE_Write ( USB_INT32S fd,
volatile USB_INT08U *buffer,
USB_INT32U num_bytes);
void FAT_UpdateEntry ( FILE_ENTRY *entry);
void FAT_UpdateFAT ( USB_INT16U curr_clus,
USB_INT16U value);
USB_INT16U FAT_GetFreeClus (void);
USB_INT32S FAT_GetFreeEntry( FILE_ENTRY *entry);
void FAT_PutSFN ( USB_INT08U *ent_name_given,
FILE_ENTRY *entry);
USB_INT32S FAT_CreateEntry ( USB_INT08U *ent_name_given,
FILE_ENTRY *entry);
void FILE_Close ( USB_INT32S fd);
USB_INT16U FAT_GetEndClus ( USB_INT16U clus_no);
#endif