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Add the Labs projects provided in the V10.2.1_191129 zip file.
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Richard Barry
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FreeRTOS-Labs/Source/FreeRTOS-Plus-FAT/include/ff_dir.h
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FreeRTOS-Labs/Source/FreeRTOS-Plus-FAT/include/ff_dir.h
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/*
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* FreeRTOS+FAT build 191128 - Note: FreeRTOS+FAT is still in the lab!
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* Copyright (C) 2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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* Authors include James Walmsley, Hein Tibosch and Richard Barry
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* https://www.FreeRTOS.org
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*
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*/
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/**
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* @file ff_dir.h
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* @ingroup DIR
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**/
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#ifndef _FF_DIR_H_
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#define _FF_DIR_H_
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#ifndef PLUS_FAT_H
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#error this header will be included from "plusfat.h"
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#endif
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#define FIND_FLAG_SHORTNAME_SET 0x01u
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#define FIND_FLAG_SHORTNAME_CHECKED 0x02u
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#define FIND_FLAG_SHORTNAME_FOUND 0x04u
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#define FIND_FLAG_FITS_SHORT 0x08u
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#define FIND_FLAG_SIZE_OK 0x10u
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#define FIND_FLAG_CREATE_FLAG 0x20u
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#define FIND_FLAG_FITS_SHORT_OK ( FIND_FLAG_FITS_SHORT | FIND_FLAG_SIZE_OK )
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typedef struct
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{
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uint32_t ulChainLength;
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uint32_t ulDirCluster;
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uint32_t ulCurrentClusterLCN;
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uint32_t ulCurrentClusterNum;
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FF_Buffer_t *pxBuffer;
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} FF_FetchContext_t;
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typedef struct
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{
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uint32_t ulFileSize;
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uint32_t ulObjectCluster;
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/* Book Keeping. */
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uint32_t ulCurrentCluster;
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uint32_t ulAddrCurrentCluster;
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uint32_t ulDirCluster;
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uint16_t usCurrentItem;
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/* End Book Keeping. */
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#if( ffconfigTIME_SUPPORT != 0 )
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FF_SystemTime_t xCreateTime; /* Date and Time Created. */
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FF_SystemTime_t xModifiedTime; /* Date and Time Modified. */
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FF_SystemTime_t xAccessedTime; /* Date of Last Access. */
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#endif
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#if( ffconfigFINDAPI_ALLOW_WILDCARDS != 0 )
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#if( ffconfigUNICODE_UTF16_SUPPORT != 0 )
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FF_T_WCHAR pcWildCard[ ffconfigMAX_FILENAME ];
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#else
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char pcWildCard[ ffconfigMAX_FILENAME ];
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#endif
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BaseType_t xInvertWildCard;
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#endif
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#if( ffconfigUNICODE_UTF16_SUPPORT != 0 )
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FF_T_WCHAR pcFileName[ ffconfigMAX_FILENAME ];
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#else
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char pcFileName[ ffconfigMAX_FILENAME ];
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#endif
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#if( ffconfigLFN_SUPPORT != 0 ) && ( ffconfigINCLUDE_SHORT_NAME != 0 )
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char pcShortName[ 13 ];
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#endif
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uint8_t ucAttrib;
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#if( ffconfigDEV_SUPPORT != 0 )
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uint8_t ucIsDeviceDir;
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#endif
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FF_FetchContext_t xFetchContext;
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} FF_DirEnt_t;
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/*
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* Some public API's, i.e. they're used but ff_stdio.c
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*/
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#if( ffconfigUNICODE_UTF16_SUPPORT != 0 )
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FF_Error_t FF_FindFirst( FF_IOManager_t *pxIOManager, FF_DirEnt_t *pxDirent, const FF_T_WCHAR *pcPath );
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FF_Error_t FF_MkDir( FF_IOManager_t *pxIOManager, const FF_T_WCHAR *pcPath );
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#else
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FF_Error_t FF_FindFirst( FF_IOManager_t *pxIOManager, FF_DirEnt_t *pxDirent, const char *pcPath );
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FF_Error_t FF_MkDir( FF_IOManager_t *pxIOManager, const char *pcPath );
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#endif
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FF_Error_t FF_FindNext( FF_IOManager_t *pxIOManager, FF_DirEnt_t *pxDirent );
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static portINLINE void FF_RewindFind( FF_DirEnt_t *pxDirent )
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{
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pxDirent->usCurrentItem = 0;
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}
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/*
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* Some API's internal to the +FAT library.
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*/
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FF_Error_t FF_GetEntry( FF_IOManager_t *pxIOManager, uint16_t usEntry, uint32_t ulDirCluster, FF_DirEnt_t *pxDirent );
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FF_Error_t FF_PutEntry( FF_IOManager_t *pxIOManager, uint16_t usEntry, uint32_t ulDirCluster, FF_DirEnt_t *pxDirent, uint8_t *pucContents );
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int8_t FF_FindEntry( FF_IOManager_t *pxIOManager, uint32_t ulDirCluster, int8_t *Name, FF_DirEnt_t *pxDirent, BaseType_t LFNs );
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void FF_PopulateShortDirent( FF_IOManager_t *pxIOManager, FF_DirEnt_t *pxDirent, const uint8_t *pucEntryBuffer );
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FF_Error_t FF_PopulateLongDirent( FF_IOManager_t *pxIOManager, FF_DirEnt_t *pxDirent, uint16_t usEntry, FF_FetchContext_t *pFetchContext );
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FF_Error_t FF_InitEntryFetch( FF_IOManager_t *pxIOManager, uint32_t ulDirCluster, FF_FetchContext_t *pContext );
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FF_Error_t FF_FetchEntryWithContext( FF_IOManager_t *pxIOManager, uint32_t ulEntry, FF_FetchContext_t *pContext, uint8_t *pEntryBuffer );
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FF_Error_t FF_PushEntryWithContext( FF_IOManager_t *pxIOManager, uint32_t ulEntry, FF_FetchContext_t *pContext, uint8_t *pEntryBuffer );
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FF_Error_t FF_CleanupEntryFetch( FF_IOManager_t *pxIOManager, FF_FetchContext_t *pContext );
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int8_t FF_PushEntry( FF_IOManager_t *pxIOManager, uint32_t ulDirCluster, uint16_t usEntry, uint8_t *buffer, void *pParam );
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static portINLINE BaseType_t FF_isEndOfDir( const uint8_t *pucEntryBuffer )
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{
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return pucEntryBuffer[ 0 ] == ( uint8_t ) 0;
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}
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static portINLINE BaseType_t FF_isDeleted( const uint8_t *pucEntryBuffer )
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{
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return pucEntryBuffer[ 0 ] == ( uint8_t ) FF_FAT_DELETED;
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}
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struct _FF_FIND_PARAMS
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{
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uint32_t ulDirCluster; /* The beginning cluster of this directory. */
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int32_t lFreeEntry; /* The first free entry big enough to add the file. */
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uint32_t ulFlags; /* See FIND_FLAG_xxx defines above. */
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char pcEntryBuffer[ 32 ]; /* LFN converted to short name. */
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uint8_t ucCaseAttrib;
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uint8_t ucFirstTilde;
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};
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typedef struct _FF_FIND_PARAMS FF_FindParams_t;
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#if( ffconfigUNICODE_UTF16_SUPPORT != 0 )
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uint32_t FF_CreateFile( FF_IOManager_t *pxIOManager, FF_FindParams_t *findParams, FF_T_WCHAR *FileName,
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FF_DirEnt_t *pxDirent, FF_Error_t *pError );
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uint32_t FF_FindEntryInDir( FF_IOManager_t *pxIOManager, FF_FindParams_t *findParams, const FF_T_WCHAR *name,
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uint8_t pa_Attrib, FF_DirEnt_t *pxDirent, FF_Error_t *pError );
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uint32_t FF_FindDir( FF_IOManager_t *pxIOManager, const FF_T_WCHAR *pcPath, uint16_t pathLen, FF_Error_t *pError );
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void FF_CreateShortName( FF_FindParams_t *pxFindParams, const FF_T_WCHAR *pcLongName );
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#else
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uint32_t FF_CreateFile( FF_IOManager_t *pxIOManager, FF_FindParams_t *findParams, char *FileName,
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FF_DirEnt_t *pxDirent, FF_Error_t *pError );
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uint32_t FF_FindEntryInDir( FF_IOManager_t *pxIOManager, FF_FindParams_t *findParams, const char *name,
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uint8_t pa_Attrib, FF_DirEnt_t *pxDirent, FF_Error_t *pError );
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uint32_t FF_FindDir( FF_IOManager_t *pxIOManager, const char *pcPath, uint16_t pathLen, FF_Error_t *pError );
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void FF_CreateShortName( FF_FindParams_t *pxFindParams, const char *pcLongName );
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#endif
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int32_t FF_FindShortName( FF_IOManager_t *pxIOManager, FF_FindParams_t *findParams );
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FF_Error_t FF_CreateDirent( FF_IOManager_t *pxIOManager, FF_FindParams_t *findParams, FF_DirEnt_t *pxDirent );
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FF_Error_t FF_ExtendDirectory( FF_IOManager_t *pxIOManager, uint32_t ulDirCluster );
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FF_Error_t FF_RmLFNs( FF_IOManager_t *pxIOManager, uint16_t usDirEntry, FF_FetchContext_t *pContext );
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#if( ffconfigHASH_CACHE != 0 )
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BaseType_t FF_CheckDirentHash( FF_IOManager_t *pxIOManager, uint32_t ulDirCluster, uint32_t ulHash );
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BaseType_t FF_DirHashed( FF_IOManager_t *pxIOManager, uint32_t ulDirCluster );
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void FF_AddDirentHash( FF_IOManager_t *pxIOManager, uint32_t ulDirCluster, uint32_t ulHash );
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FF_Error_t FF_HashDir( FF_IOManager_t *pxIOManager, uint32_t ulDirCluster );
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void FF_UnHashDir( FF_IOManager_t *pxIOManager, uint32_t ulDirCluster );
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#endif
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struct SBuffStats {
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unsigned sectorMatch;
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unsigned sectorMiss;
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unsigned bufCounts;
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unsigned bufCalls;
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};
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extern struct SBuffStats buffStats;
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#endif
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