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