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382 lines
18 KiB
382 lines
18 KiB
/*
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* fs.h - CC31xx/CC32xx Host Driver Implementation
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*
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* Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* Neither the name of Texas Instruments Incorporated nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/*****************************************************************************/
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/* Include files */
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/*****************************************************************************/
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#include "simplelink.h"
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#ifndef __FS_H__
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#define __FS_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*!
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\addtogroup FileSystem
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@{
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*/
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/*****************************************************************************/
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/* Macro declarations */
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/*****************************************************************************/
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/* FS error codes */
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#define SL_FS_OK (0)
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#define SL_FS_ERR_EMPTY_SFLASH (-67)
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#define SL_FS_ERR_FILE_IS_NOT_SECURE_AND_SIGN (-66)
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#define SL_FS_ERASING_FLASH (-65)
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#define SL_FS_FILE_HAS_NOT_BEEN_CLOSE_CORRECTLY (-64)
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#define SL_FS_WRONG_SIGNATURE (-63)
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#define SL_FS_WRONG_SIGNATURE_OR_CERTIFIC_NAME_LENGTH (-62)
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#define SL_FS_NOT_16_ALIGNED (-61)
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#define SL_FS_CERT_CHAIN_ERROR (-60)
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#define SL_FS_FILE_NAME_EXIST (-59)
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#define SL_FS_SECURITY_BUF_ALREADY_ALLOC (-58)
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#define SL_FS_SECURE_FILE_MUST_BE_COMMIT (-57)
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#define SL_FS_ERR_INCORRECT_OFFSET_ALIGNMENT (-56)
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#define SL_FS_ERR_FAILED_READ_NVMEM_HEADER (-55)
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#define SL_FS_WRONG_FILE_NAME (-54)
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#define SL_FS_FILE_SYSTEM_IS_LOCKED (-53)
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#define SL_FS_SECURITY_ALLERT (-52)
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#define SL_FS_FILE_UNVALID_FILE_SIZE (-51)
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#define SL_FS_ERR_TOKEN_IS_NOT_VALID (-50)
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#define SL_FS_NO_DEVICE_IS_LOADED (-49)
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#define SL_FS_DATA_ADDRESS_SHOUD_BE_IN_DATA_RAM (-48)
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#define SL_FS_DATA_IS_NOT_ALIGNED (-47)
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#define SL_FS_ERR_OVERLAP_DETECTION_THRESHHOLD (-46)
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#define SL_FS_FILE_HAS_RESERVED_NV_INDEX (-45)
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#define SL_FS_ERR_MAX_FS_FILES_IS_LARGER (-44)
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#define SL_FS_ERR_MAX_FS_FILES_IS_SMALLER (-43)
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#define SL_FS_FILE_MAX_SIZE_EXCEEDED (-42)
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#define SL_FS_INVALID_BUFFER_FOR_READ (-41)
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#define SL_FS_INVALID_BUFFER_FOR_WRITE (-40)
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#define SL_FS_ERR_FILE_IMAGE_IS_CORRUPTED (-39)
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#define SL_FS_ERR_SIZE_OF_FILE_EXT_EXCEEDED (-38)
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#define SL_FS_WARNING_FILE_NAME_NOT_KEPT (-37)
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#define SL_FS_ERR_DEVICE_IS_NOT_FORMATTED (-36)
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#define SL_FS_ERR_FAILED_WRITE_NVMEM_HEADER (-35)
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#define SL_FS_ERR_NO_AVAILABLE_NV_INDEX (-34)
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#define SL_FS_ERR_FAILED_TO_ALLOCATE_MEM (-33)
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#define SL_FS_ERR_FAILED_TO_READ_INTEGRITY_HEADER_2 (-32)
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#define SL_FS_ERR_FAILED_TO_READ_INTEGRITY_HEADER_1 (-31)
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#define SL_FS_ERR_NO_AVAILABLE_BLOCKS (-30)
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#define SL_FS_ERR_FILE_MAX_SIZE_BIGGER_THAN_EXISTING_FILE (-29)
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#define SL_FS_ERR_FILE_EXISTS_ON_DIFFERENT_DEVICE_ID (-28)
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#define SL_FS_ERR_INVALID_ACCESS_TYPE (-27)
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#define SL_FS_ERR_FILE_ALREADY_EXISTS (-26)
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#define SL_FS_ERR_PROGRAM (-25)
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#define SL_FS_ERR_NO_ENTRIES_AVAILABLE (-24)
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#define SL_FS_ERR_FILE_ACCESS_IS_DIFFERENT (-23)
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#define SL_FS_ERR_BAD_FILE_MODE (-22)
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#define SL_FS_ERR_FAILED_READ_NVFILE (-21)
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#define SL_FS_ERR_FAILED_INIT_STORAGE (-20)
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#define SL_FS_ERR_CONTINUE_WRITE_MUST_BE_MOD_4 (-19)
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#define SL_FS_ERR_FAILED_LOAD_FILE (-18)
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#define SL_FS_ERR_INVALID_HANDLE (-17)
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#define SL_FS_ERR_FAILED_TO_WRITE (-16)
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#define SL_FS_ERR_OFFSET_OUT_OF_RANGE (-15)
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#define SL_FS_ERR_ALLOC (-14)
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#define SL_FS_ERR_READ_DATA_LENGTH (-13)
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#define SL_FS_ERR_INVALID_FILE_ID (-12)
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#define SL_FS_ERR_FILE_NOT_EXISTS (-11)
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#define SL_FS_ERR_EMPTY_ERROR (-10)
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#define SL_FS_ERR_INVALID_ARGS (-9)
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#define SL_FS_ERR_FAILED_TO_CREATE_FILE (-8)
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#define SL_FS_ERR_FS_ALREADY_LOADED (-7)
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#define SL_FS_ERR_UNKNOWN (-6)
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#define SL_FS_ERR_FAILED_TO_CREATE_LOCK_OBJ (-5)
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#define SL_FS_ERR_DEVICE_NOT_LOADED (-4)
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#define SL_FS_ERR_INVALID_MAGIC_NUM (-3)
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#define SL_FS_ERR_FAILED_TO_READ (-2)
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#define SL_FS_ERR_NOT_SUPPORTED (-1)
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/* end of error codes */
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#define _FS_MODE_ACCESS_RESERVED_OFFSET (24)
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#define _FS_MODE_ACCESS_RESERVED_MASK (0xFF)
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#define _FS_MODE_ACCESS_FLAGS_OFFSET (16)
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#define _FS_MODE_ACCESS_FLAGS_MASK (0xFF)
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#define _FS_MODE_ACCESS_OFFSET (12)
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#define _FS_MODE_ACCESS_MASK (0xF)
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#define _FS_MODE_OPEN_SIZE_GRAN_OFFSET (8)
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#define _FS_MODE_OPEN_SIZE_GRAN_MASK (0xF)
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#define _FS_MODE_OPEN_SIZE_OFFSET (0)
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#define _FS_MODE_OPEN_SIZE_MASK (0xFF)
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#define MAX_MODE_SIZE (0xFF)
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#define _FS_MODE(Access, SizeGran, Size,Flags) (_u32)(((_u32)((Access) & _FS_MODE_ACCESS_MASK)<<_FS_MODE_ACCESS_OFFSET) | \
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((_u32)((SizeGran) & _FS_MODE_OPEN_SIZE_GRAN_MASK)<<_FS_MODE_OPEN_SIZE_GRAN_OFFSET) | \
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((_u32)((Size) & _FS_MODE_OPEN_SIZE_MASK)<<_FS_MODE_OPEN_SIZE_OFFSET) | \
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((_u32)((Flags) & _FS_MODE_ACCESS_FLAGS_MASK)<<_FS_MODE_ACCESS_FLAGS_OFFSET))
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/* sl_FsOpen options */
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/* Open for Read */
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#define FS_MODE_OPEN_READ _FS_MODE(_FS_MODE_OPEN_READ,0,0,0)
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/* Open for Write (in case file exist) */
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#define FS_MODE_OPEN_WRITE _FS_MODE(_FS_MODE_OPEN_WRITE,0,0,0)
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/* Open for Creating a new file */
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#define FS_MODE_OPEN_CREATE(maxSizeInBytes,accessModeFlags) _sl_GetCreateFsMode(maxSizeInBytes,accessModeFlags)
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/*****************************************************************************/
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/* Structure/Enum declarations */
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/*****************************************************************************/
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typedef struct
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{
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_u16 flags;
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_u32 FileLen;
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_u32 AllocatedLen;
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_u32 Token[4];
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}SlFsFileInfo_t;
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typedef enum
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{
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_FS_MODE_OPEN_READ = 0,
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_FS_MODE_OPEN_WRITE,
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_FS_MODE_OPEN_CREATE,
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_FS_MODE_OPEN_WRITE_CREATE_IF_NOT_EXIST
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}SlFsFileOpenAccessType_e;
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typedef enum
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{
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_FS_FILE_OPEN_FLAG_COMMIT = 0x1, /* MIRROR - for fail safe */
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_FS_FILE_OPEN_FLAG_SECURE = 0x2, /* SECURE */
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_FS_FILE_OPEN_FLAG_NO_SIGNATURE_TEST = 0x4, /* Relevant to secure file only */
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_FS_FILE_OPEN_FLAG_STATIC = 0x8, /* Relevant to secure file only */
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_FS_FILE_OPEN_FLAG_VENDOR = 0x10, /* Relevant to secure file only */
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_FS_FILE_PUBLIC_WRITE= 0x20, /* Relevant to secure file only, the file can be opened for write without Token */
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_FS_FILE_PUBLIC_READ = 0x40 /* Relevant to secure file only, the file can be opened for read without Token */
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}SlFileOpenFlags_e;
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typedef enum
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{
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_FS_MODE_SIZE_GRAN_256B = 0, /* MAX_SIZE = 64K */
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_FS_MODE_SIZE_GRAN_1KB, /* MAX_SIZE = 256K */
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_FS_MODE_SIZE_GRAN_4KB, /* MAX_SZIE = 1M */
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_FS_MODE_SIZE_GRAN_16KB, /* MAX_SIZE = 4M */
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_FS_MODE_SIZE_GRAN_64KB, /* MAX_SIZE = 16M */
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_FS_MAX_MODE_SIZE_GRAN
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}_SlFsFileOpenMaxSizeGran_e;
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/*****************************************************************************/
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/* Internal Function prototypes */
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/*****************************************************************************/
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_u32 _sl_GetCreateFsMode(_u32 maxSizeInBytes,_u32 accessFlags);
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/*****************************************************************************/
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/* Function prototypes */
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/*****************************************************************************/
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/*!
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\brief open file for read or write from/to storage device
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\param[in] pFileName File Name buffer pointer
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\param[in] AccessModeAndMaxSize Options: As described below
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\param[in] pToken Reserved for future use. Use NULL for this field
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\param[out] pFileHandle Pointing on the file and used for read and write commands to the file
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AccessModeAndMaxSize possible input \n
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FS_MODE_OPEN_READ - Read a file \n
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FS_MODE_OPEN_WRITE - Open for write for an existing file \n
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FS_MODE_OPEN_CREATE(maxSizeInBytes,accessModeFlags) - Open for creating a new file. Max file size is defined in bytes. \n
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For optimal FS size, use max size in 4K-512 bytes steps (e.g. 3584,7680,117760) \n
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Several access modes bits can be combined together from SlFileOpenFlags_e enum
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\return On success, zero is returned. On error, an error code is returned
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\sa sl_FsRead sl_FsWrite sl_FsClose
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\note belongs to \ref basic_api
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\warning
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\par Example:
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\code
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char* DeviceFileName = "MyFile.txt";
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unsigned long MaxSize = 63 * 1024; //62.5K is max file size
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long DeviceFileHandle = -1;
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long RetVal; //negative retval is an error
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unsigned long Offset = 0;
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unsigned char InputBuffer[100];
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// Create a file and write data. The file in this example is secured, without signature and with a fail safe commit
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RetVal = sl_FsOpen((unsigned char *)DeviceFileName,
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FS_MODE_OPEN_CREATE(MaxSize , _FS_FILE_OPEN_FLAG_NO_SIGNATURE_TEST | _FS_FILE_OPEN_FLAG_COMMIT ),
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NULL, &DeviceFileHandle);
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Offset = 0;
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//Preferred in secure file that the Offset and the length will be aligned to 16 bytes.
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RetVal = sl_FsWrite( DeviceFileHandle, Offset, (unsigned char *)"HelloWorld", strlen("HelloWorld"));
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RetVal = sl_FsClose(DeviceFileHandle, NULL, NULL , 0);
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// open the same file for read, using the Token we got from the creation procedure above
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RetVal = sl_FsOpen((unsigned char *)DeviceFileName,
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FS_MODE_OPEN_READ,
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NULL, &DeviceFileHandle);
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Offset = 0;
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RetVal = sl_FsRead( DeviceFileHandle, Offset, (unsigned char *)InputBuffer, strlen("HelloWorld"));
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RetVal = sl_FsClose(DeviceFileHandle, NULL, NULL , 0);
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\endcode
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*/
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#if _SL_INCLUDE_FUNC(sl_FsOpen)
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_i32 sl_FsOpen(const _u8 *pFileName,const _u32 AccessModeAndMaxSize,_u32 *pToken,_i32 *pFileHandle);
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#endif
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/*!
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\brief close file in storage device
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\param[in] FileHdl Pointer to the file (assigned from sl_FsOpen)
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\param[in] pCeritificateFileName Reserved for future use. Use NULL.
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\param[in] pSignature Reserved for future use. Use NULL.
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\param[in] SignatureLen Reserved for future use. Use 0.
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\return On success, zero is returned. On error, an error code is returned
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\sa sl_FsRead sl_FsWrite sl_FsOpen
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\note Call the fs_Close with signature = 'A' signature len = 1 for activating an abort action
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\warning
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\par Example:
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\code
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sl_FsClose(FileHandle,0,0,0);
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\endcode
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*/
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#if _SL_INCLUDE_FUNC(sl_FsClose)
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_i16 sl_FsClose(const _i32 FileHdl,const _u8* pCeritificateFileName,const _u8* pSignature,const _u32 SignatureLen);
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#endif
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/*!
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\brief Read block of data from a file in storage device
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\param[in] FileHdl Pointer to the file (assigned from sl_FsOpen)
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\param[in] Offset Offset to specific read block
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\param[out] pData Pointer for the received data
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\param[in] Len Length of the received data
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\return On success, returns the number of read bytes. On error, negative number is returned
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\sa sl_FsClose sl_FsWrite sl_FsOpen
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\note belongs to \ref basic_api
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\warning
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\par Example:
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\code
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Status = sl_FsRead(FileHandle, 0, &readBuff[0], readSize);
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\endcode
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*/
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#if _SL_INCLUDE_FUNC(sl_FsRead)
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_i32 sl_FsRead(const _i32 FileHdl,_u32 Offset ,_u8* pData,_u32 Len);
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#endif
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/*!
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\brief write block of data to a file in storage device
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\param[in] FileHdl Pointer to the file (assigned from sl_FsOpen)
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\param[in] Offset Offset to specific block to be written
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\param[in] pData Pointer the transmitted data to the storage device
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\param[in] Len Length of the transmitted data
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\return On success, returns the number of written bytes. On error, an error code is returned
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\sa
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\note belongs to \ref basic_api
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\warning
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\par Example:
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\code
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Status = sl_FsWrite(FileHandle, 0, &buff[0], readSize);
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\endcode
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*/
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#if _SL_INCLUDE_FUNC(sl_FsWrite)
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_i32 sl_FsWrite(const _i32 FileHdl,_u32 Offset,_u8* pData,_u32 Len);
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#endif
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/*!
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\brief get info on a file
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\param[in] pFileName File name
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\param[in] Token Reserved for future use. Use 0
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\param[out] pFsFileInfo Returns the File's Information: flags,file size, allocated size and Tokens
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\return On success, zero is returned. On error, an error code is returned
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\sa sl_FsOpen
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\note belongs to \ref basic_api
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\warning
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\par Example:
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\code
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Status = sl_FsGetInfo("FileName.html",0,&FsFileInfo);
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\endcode
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*/
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#if _SL_INCLUDE_FUNC(sl_FsGetInfo)
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_i16 sl_FsGetInfo(const _u8 *pFileName,const _u32 Token,SlFsFileInfo_t* pFsFileInfo);
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#endif
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/*!
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\brief Delete specific file from a storage or all files from a storage (format)
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\param[in] pFileName File Name
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\param[in] Token Reserved for future use. Use 0
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\return On success, zero is returned. On error, an error code is returned
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\sa
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\note belongs to \ref basic_api
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\warning
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\par Example:
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\code
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Status = sl_FsDel("FileName.html",0);
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\endcode
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*/
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#if _SL_INCLUDE_FUNC(sl_FsDel)
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_i16 sl_FsDel(const _u8 *pFileName,const _u32 Token);
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#endif
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/*!
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Close the Doxygen group.
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@}
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*/
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __FS_H__ */
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