--- a/userlibandfileserver/fileserver/sfat/inc/sl_bpb.h Mon Oct 19 15:55:17 2009 +0100
+++ b/userlibandfileserver/fileserver/sfat/inc/sl_bpb.h Mon Dec 21 16:14:42 2009 +0000
@@ -17,6 +17,14 @@
//
//
+//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+//!!
+//!! WARNING!! DO NOT edit this file !! '\sfat' component is obsolete and is not being used. '\sfat32'replaces it
+//!!
+//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
#ifndef SL_BPB_H
#define SL_BPB_H
@@ -27,12 +35,12 @@
typedef TFatSubType TFatType;
-const TInt KVolumeLabelSize =11; ///< Volume lable size
-const TInt KFileSysTypeSize =8; ///< File system type parameter size
-const TInt KVendorIdSize =8; ///< Vendor ID parameter size
-const TInt KBootSectorSignature =0xAA55;///< File system Boot sector signiture
+const TInt KVolumeLabelSize =11; ///< Volume lable size
+const TInt KFileSysTypeSize =8; ///< File system type parameter size
+const TInt KVendorIdSize =8; ///< Vendor ID parameter size
+const TInt KBootSectorSignature =0xAA55;///< File system Boot sector signiture
-const TInt KSizeOfFatBootSector =62; ///< Size in bytes of Boot sector parameter block (BPB), 62 for fat16|12
+const TInt KSizeOfFatBootSector =62; ///< Size in bytes of Boot sector parameter block (BPB), 62 for fat16|12
const TInt KFat16VolumeLabelPos =43; ///< Position of volume lable in BPB for Fat12/16
const TUint32 KBootSectorNum =0; ///< Main Boot Sector number (always 0)
@@ -44,54 +52,54 @@
Data is populated at mount time from the BPB sector
*/
class TFatBootSector
- {
+ {
public:
//-- simple getters / setters
- inline const TPtrC8 VendorId() const;
- inline TInt BytesPerSector() const;
- inline TInt SectorsPerCluster() const;
- inline TInt ReservedSectors() const;
- inline TInt NumberOfFats() const;
- inline TInt RootDirEntries() const;
- inline TInt TotalSectors() const;
- inline TUint8 MediaDescriptor() const;
- inline TInt FatSectors() const;
- inline TInt SectorsPerTrack() const;
- inline TInt NumberOfHeads() const;
- inline TInt HiddenSectors() const;
- inline TInt HugeSectors() const;
- inline TInt PhysicalDriveNumber() const;
- inline TInt ExtendedBootSignature() const;
- inline TUint32 UniqueID() const;
- inline const TPtrC8 VolumeLabel() const;
- inline const TPtrC8 FileSysType() const;
- inline TInt BootSectorSignature() const;
+ inline const TPtrC8 VendorId() const;
+ inline TInt BytesPerSector() const;
+ inline TInt SectorsPerCluster() const;
+ inline TInt ReservedSectors() const;
+ inline TInt NumberOfFats() const;
+ inline TInt RootDirEntries() const;
+ inline TInt TotalSectors() const;
+ inline TUint8 MediaDescriptor() const;
+ inline TInt FatSectors() const;
+ inline TInt SectorsPerTrack() const;
+ inline TInt NumberOfHeads() const;
+ inline TInt HiddenSectors() const;
+ inline TInt HugeSectors() const;
+ inline TInt PhysicalDriveNumber() const;
+ inline TInt ExtendedBootSignature() const;
+ inline TUint32 UniqueID() const;
+ inline const TPtrC8 VolumeLabel() const;
+ inline const TPtrC8 FileSysType() const;
+ inline TInt BootSectorSignature() const;
- inline TUint32 RootClusterNum() const {return 0;} //-- dummy
- inline TUint16 FSInfoSectorNum() const {return 0;} //-- dummy
- inline TUint16 BkBootRecSector() const {return 0;} //-- dummy
+ inline TUint32 RootClusterNum() const {return 0;} //-- dummy
+ inline TUint16 FSInfoSectorNum() const {return 0;} //-- dummy
+ inline TUint16 BkBootRecSector() const {return 0;} //-- dummy
- inline void SetJumpInstruction();
- inline void SetVendorID(const TDesC8& aDes);
- inline void SetBytesPerSector(TInt aBytesPerSector);
- inline void SetSectorsPerCluster(TInt aSectorsPerCluster);
- inline void SetReservedSectors(TInt aReservedSectors);
- inline void SetNumberOfFats(TInt aNumberOfFats);
- inline void SetRootDirEntries(TInt aRootDirEntries);
- inline void SetTotalSectors(TInt aTotalSectors);
- inline void SetMediaDescriptor(TUint8 aMediaDescriptor);
- inline void SetFatSectors(TInt aFatSectors);
- inline void SetSectorsPerTrack(TInt aSectorsPerTrack);
- inline void SetNumberOfHeads(TInt aNumberOfHeads);
- inline void SetHiddenSectors(TUint32 aHiddenSectors);
- inline void SetHugeSectors(TUint32 aTotalSectors);
- inline void SetPhysicalDriveNumber(TInt aPhysicalDriveNumber);
- inline void SetReservedByte(TUint8 aReservedByte);
- inline void SetExtendedBootSignature(TInt anExtendedBootSignature);
- inline void SetUniqueID(TUint32 anUniqueID);
- inline void SetVolumeLabel(const TDesC8& aDes);
- inline void SetFileSysType(const TDesC8& aDes);
+ inline void SetJumpInstruction();
+ inline void SetVendorID(const TDesC8& aDes);
+ inline void SetBytesPerSector(TInt aBytesPerSector);
+ inline void SetSectorsPerCluster(TInt aSectorsPerCluster);
+ inline void SetReservedSectors(TInt aReservedSectors);
+ inline void SetNumberOfFats(TInt aNumberOfFats);
+ inline void SetRootDirEntries(TInt aRootDirEntries);
+ inline void SetTotalSectors(TInt aTotalSectors);
+ inline void SetMediaDescriptor(TUint8 aMediaDescriptor);
+ inline void SetFatSectors(TInt aFatSectors);
+ inline void SetSectorsPerTrack(TInt aSectorsPerTrack);
+ inline void SetNumberOfHeads(TInt aNumberOfHeads);
+ inline void SetHiddenSectors(TUint32 aHiddenSectors);
+ inline void SetHugeSectors(TUint32 aTotalSectors);
+ inline void SetPhysicalDriveNumber(TInt aPhysicalDriveNumber);
+ inline void SetReservedByte(TUint8 aReservedByte);
+ inline void SetExtendedBootSignature(TInt anExtendedBootSignature);
+ inline void SetUniqueID(TUint32 anUniqueID);
+ inline void SetVolumeLabel(const TDesC8& aDes);
+ inline void SetFileSysType(const TDesC8& aDes);
public:
@@ -100,15 +108,15 @@
void Initialise();
TBool IsValid() const;
TFatType FatType(void) const;
-
+
void Internalize(const TDesC8& aBuf);
void Externalize(TDes8& aBuf) const;
- void PrintDebugInfo() const;
+ void PrintDebugInfo() const;
//-- more advanced API, works for all FAT types
TInt FirstFatSector() const;
TInt RootDirStartSector() const;
- TInt FirstDataSector() const;
+ TInt FirstDataSector() const;
TUint32 VolumeTotalSectorNumber() const;
TUint32 TotalFatSectors() const;
@@ -123,7 +131,7 @@
TUint8 iSectorsPerCluster; ///< +13/0x0d Sectors per cluster ratio
TUint16 iReservedSectors; ///< +14/0x0e Number of reserved sectors on the volume
TUint8 iNumberOfFats; ///< +16/0x10 Number of Fats on the volume
- TUint16 iRootDirEntries; ///< +17/0x11 Number of entries allowed in the root directory, specific to Fat12/16, zero for FAT32
+ TUint16 iRootDirEntries; ///< +17/0x11 Number of entries allowed in the root directory, specific to Fat12/16, zero for FAT32
TUint16 iTotalSectors; ///< +19/0x13 Total sectors on the volume, zero for FAT32
TUint8 iMediaDescriptor; ///< +12/0x15 Media descriptor
TUint16 iFatSectors; ///< +22/0x16 Sectors used for the Fat table, zero for FAT32
@@ -131,14 +139,14 @@
TUint16 iNumberOfHeads; ///< +26/0x1a Number of heads
TUint32 iHiddenSectors; ///< +28/0x1c Number of hidden sectors in the volume
TUint32 iHugeSectors; ///< +32/0x20 Total sectors in the volume, Used if totalSectors > 65535
- //this is (boot sector) offset 36 for FAT12 and 16 but comes after additional FAT36 elements
- TUint8 iPhysicalDriveNumber; ///< +36/0x24 Physical drive number, not used in Symbian OS
+ //this is (boot sector) offset 36 for FAT12 and 16 but comes after additional FAT36 elements
+ TUint8 iPhysicalDriveNumber; ///< +36/0x24 Physical drive number, not used in Symbian OS
TUint8 iReserved; ///< +37/0x25 Reserved byte
TUint8 iExtendedBootSignature; ///< +38/0x26 Extended boot signiture
TUint32 iUniqueID; ///< +39/0x27 Unique volume ID
TUint8 iVolumeLabel[KVolumeLabelSize]; ///< +43/0x2b The volume's label
- TUint8 iFileSysType[KFileSysTypeSize]; ///< +54/0x36 File system type
- };
+ TUint8 iFileSysType[KFileSysTypeSize]; ///< +54/0x36 File system type
+ };