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74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
#ifndef __DIR_H__
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#define __DIR_H__
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#ifdef __cplusplus
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extern "C" {
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#endif//__cplusplus
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#include "fsinfo.h"
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//file attributes define
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#define ATTR_READ_ONLY 0x01
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#define ATTR_HIDDEN 0x02
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#define ATTR_SYSTEM 0x04
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#define ATTR_VOLUME_ID 0x08
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#define ATTR_DIRECTORY 0x10
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#define ATTR_ARCHIVE 0x20
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#define ATTR_LONG_NAME 0x0f //ATTR_READ_ONLY | ATTR_HIDDEN | ATTR_SYSTEM | ATTR_VOLUME_ID
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#define ATTR_LONG_NAME_MASK 0x3f //ATTR_READ_ONLY | ATTR_HIDDEN | ATTR_SYSTEM | ATTR_VOLUME_ID | ATTR_DIRECTORY | ATTR_ARCHIVE
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#define ATTR_RECYCLED_MASK 0x16 //ATTR_DIRECTORY | ATTR_HIDDEN | ATTR_SYSTEM
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typedef enum _ENTRY_TYPE
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{
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ENTRY_FILE,
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ENTRY_FOLDER, //文件夹目录项，不会马上进入该子文件夹
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ENTRY_END, //当前目录搜索完毕
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ENTRY_RECYCLED,
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ENTRY_DOT,
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ENTRY_LONG_NAME,
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ENTRY_DELETED_FILE,
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ENTRY_UNKNOWN
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} ENTRY_TYPE;
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void DirSetStartEntry(FS_CONTEXT* FsContext, uint32_t StartSecNum, uint8_t Offset, bool InitFlag);
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uint32_t DirGetSonClusNum(FS_CONTEXT* FsContext);
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uint32_t DirGetSonSecNum(FS_CONTEXT* FsContext);
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void DirSetSonClusNum(FS_CONTEXT* FsContext, uint32_t ClusNum);
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//在当前目录下找下一个文件目录项
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uint8_t DirGetNextEntry(FS_CONTEXT* FsContext);
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bool DirFindNextFolder(FS_CONTEXT* FsContext);
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//进入子目录
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bool DirEnterSonFolder(FS_CONTEXT* FsContext);
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//返回父目录
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bool DirEnterParentFolder(FS_CONTEXT* FsContext);
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void RewindFolderStart(FS_CONTEXT* FsContext);
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bool DirNameConvert(uint8_t* DstFileName, uint8_t* SrcFileName);
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void DirGenItem(FS_CONTEXT* FsContext, uint8_t* DirName, uint32_t StartClusNum, uint32_t Size, uint8_t Attribute);
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void DirGenLongItem(FS_CONTEXT* FsContext, uint8_t* longName, uint8_t* shortName, uint8_t Len);
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// Load file/folder long name.
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bool GetLongName(FS_CONTEXT* FsContext, uint32_t ParentFoldSect, uint32_t SectorNum, uint8_t Offset, uint8_t* LongFileName, uint8_t GetMaxLength);
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bool FindNextFolder(FS_CONTEXT* FsContext);
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#ifdef __cplusplus
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}
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#endif//__cplusplus
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#endif
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