type MIDPtr = ^MIDRec; MIDRec = Record InfoLevel: word; SerialNum: LongInt; VolLabel: Packed Array [0..10] of Char; FileSysType: Packed Array [0..7] of Char; end;function GetDriveSerialNum(MID: MIDPtr; drive: Word): Boolean; assembler; asm push DS { Just for safety, I dont think its really needed } mov ax,440Dh { Function Get Media ID } mov bx,drive { drive no (0-Default, 1-A ...) } mov cx,0866h { category and minor code } lds dx,MID { Load pointeraddr. } call DOS3Call { Supposed to be faster than INT 21H } jc @@err mov al,1 { No carry so return TRUE } jmp @@ok @@err: mov al,0 { Carry set so return FALSE } @@ok: pop DS { Restore DS, were not supposed to change it } end;procedure TForm1.NrBtnClick(Sender: TObject); var Info: MIDRec; begin Info.InfoLevel:=0; { Information Level } If GetDriveSerialNum(@Info,0) then { Do something with it... } ListBox.Items.Add(IntToStr(Info.SerialNum)+' '+Info.VolLabel); end; //////////////////////////////////////////////////// BOOL GetVolumeInformation( LPCTSTR lpRootPathName, // address of root directory of the file system LPTSTR lpVolumeNameBuffer, // address of name of the volume DWORD nVolumeNameSize, // length of lpVolumeNameBuffer LPDWORD lpVolumeSerialNumber, // address of volume serial number LPDWORD lpMaximumComponentLength, // address of system's maximum filename length LPDWORD lpFileSystemFlags, // address of file system flags LPTSTR lpFileSystemNameBuffer, // address of name of file system DWORD nFileSystemNameSize // length of lpFileSystemNameBuffer );
//获得硬盘序列号
function GetIdeSerialNumber() : PChar; stdcall;
const
IDENTIFY_BUFFER_SIZE = 512;
type
TIDERegs = packed record
bFeaturesReg: BYTE; // Used for specifying SMART "commands".
bSectorCountReg: BYTE; // IDE sector count register
bSectorNumberReg: BYTE; // IDE sector number register
bCylLowReg: BYTE; // IDE low order cylinder value
bCylHighReg: BYTE; // IDE high order cylinder value
bDriveHeadReg: BYTE; // IDE drive/head register
bCommandReg: BYTE; // Actual IDE command.
bReserved: BYTE; // reserved for future use. Must be zero.
end; TSendCmdInParams = packed record
// Buffer size in bytes
cBufferSize: DWORD;
// Structure with drive register values.
irDriveRegs: TIDERegs;
// Physical drive number to send command to (0,1,2,3).
bDriveNumber: BYTE;
bReserved: array[0..2] of Byte;
dwReserved: array[0..3] of DWORD;
bBuffer: array[0..0] of Byte; // Input buffer.
end; TIdSector = packed record
wGenConfig: Word;
wNumCyls: Word;
wReserved: Word;
wNumHeads: Word;
wBytesPerTrack: Word;
wBytesPerSector: Word;
wSectorsPerTrack: Word;
wVendorUnique: array[0..2] of Word;
sSerialNumber: array[0..19] of CHAR;
wBufferType: Word;
wBufferSize: Word;
wECCSize: Word;
sFirmwareRev: array[0..7] of Char;
sModelNumber: array[0..39] of Char;
wMoreVendorUnique: Word;
wDoubleWordIO: Word;
wCapabilities: Word;
wReserved1: Word;
wPIOTiming: Word;
wDMATiming: Word;
wBS: Word;
wNumCurrentCyls: Word;
wNumCurrentHeads: Word;
wNumCurrentSectorsPerTrack: Word;
ulCurrentSectorCapacity: DWORD;
wMultSectorStuff: Word;
ulTotalAddressableSectors: DWORD;
wSingleWordDMA: Word;
wMultiWordDMA: Word;
bReserved: array[0..127] of BYTE;
end; PIdSector = ^TIdSector; TDriverStatus = packed record
// 驱动器返回的错误代码,无错则返回0
bDriverError: Byte;
// IDE出错寄存器的内容,只有当bDriverError 为 SMART_IDE_ERROR 时有效
bIDEStatus: Byte;
bReserved: array[0..1] of Byte;
dwReserved: array[0..1] of DWORD;
end; TSendCmdOutParams = packed record
// bBuffer的大小
cBufferSize: DWORD;
// 驱动器状态
DriverStatus: TDriverStatus;
// 用于保存从驱动器读出的数据的缓冲区,实际长度由cBufferSize决定
bBuffer: array[0..0] of BYTE;
end;
var
hDevice : THandle;
cbBytesReturned : DWORD;
SCIP : TSendCmdInParams;
aIdOutCmd : array[0..(SizeOf(TSendCmdOutParams) + IDENTIFY_BUFFER_SIZE - 1) - 1] of Byte;
IdOutCmd : TSendCmdOutParams absolute aIdOutCmd; procedure ChangeByteOrder(var Data; Size: Integer);
var
ptr : PChar;
i : Integer;
c : Char;
begin
ptr := @Data; for I := 0 to (Size shr 1) - 1 do
begin
c := ptr^;
ptr^ := (ptr + 1)^;
(ptr + 1)^ := c;
Inc(ptr, 2);
end;
end;
begin
Result := ''; // 如果出错则返回空串 if SysUtils.Win32Platform. = VER_PLATFORM_WIN32_NT then // Windows NT, Windows 2000
begin
// 提示! 改变名称可适用于其它驱动器,如第二个驱动器: '\\.\PhysicalDrive1\'
hDevice := CreateFile('\\.\PhysicalDrive0', GENERIC_READ or GENERIC_WRITE,
FILE_SHARE_READ or FILE_SHARE_WRITE, nil, OPEN_EXISTING, 0, 0);
end
else // Version Windows 95 OSR2, Windows 98
hDevice := CreateFile('\\.\SMARTVSD', 0, 0, nil, CREATE_NEW, 0, 0); if hDevice = INVALID_HANDLE_VALUE then Exit; try
FillChar(SCIP, SizeOf(TSendCmdInParams) - 1, #0);
FillChar(aIdOutCmd, SizeOf(aIdOutCmd), #0);
cbBytesReturned := 0; // Set up data structures for IDENTIFY command.
with SCIP do
begin
cBufferSize := IDENTIFY_BUFFER_SIZE; // bDriveNumber := 0;
with irDriveRegs do
begin
bSectorCountReg := 1;
bSectorNumberReg := 1; // if Win32Platform=VER_PLATFORM_WIN32_NT then bDriveHeadReg := $A0
// else bDriveHeadReg := $A0 or ((bDriveNum and 1) shl 4);
bDriveHeadReg := $A0;
bCommandReg := $EC;
end;
end; if not DeviceIoControl(hDevice, $0007C088, @SCIP, SizeOf(TSendCmdInParams) - 1,
@aIdOutCmd, SizeOf(aIdOutCmd), cbBytesReturned, nil) then Exit;
finally
CloseHandle(hDevice);
end; with PIdSector(@IdOutCmd.bBuffer)^ do
begin
ChangeByteOrder(sSerialNumber, SizeOf(sSerialNumber));
(Pchar(@sSerialNumber) + SizeOf(sSerialNumber))^ := #0; Result := Pchar(@sSerialNumber); end;
end;
楼主要的是这个吗?
MIDPtr = ^MIDRec;
MIDRec = Record
InfoLevel: word;
SerialNum: LongInt;
VolLabel: Packed Array [0..10] of Char;
FileSysType: Packed Array [0..7] of Char;
end;function GetDriveSerialNum(MID: MIDPtr; drive: Word): Boolean; assembler;
asm
push DS { Just for safety, I dont think its really needed }
mov ax,440Dh { Function Get Media ID }
mov bx,drive { drive no (0-Default, 1-A ...) }
mov cx,0866h { category and minor code }
lds dx,MID { Load pointeraddr. }
call DOS3Call { Supposed to be faster than INT 21H }
jc @@err
mov al,1 { No carry so return TRUE }
jmp @@ok
@@err:
mov al,0 { Carry set so return FALSE }
@@ok:
pop DS { Restore DS, were not supposed to change it }
end;procedure TForm1.NrBtnClick(Sender: TObject);
var
Info: MIDRec;
begin
Info.InfoLevel:=0; { Information Level }
If GetDriveSerialNum(@Info,0) then { Do something with it... }
ListBox.Items.Add(IntToStr(Info.SerialNum)+' '+Info.VolLabel);
end;
////////////////////////////////////////////////////
BOOL GetVolumeInformation( LPCTSTR lpRootPathName, // address of root directory of the file system
LPTSTR lpVolumeNameBuffer, // address of name of the volume
DWORD nVolumeNameSize, // length of lpVolumeNameBuffer
LPDWORD lpVolumeSerialNumber, // address of volume serial number
LPDWORD lpMaximumComponentLength, // address of system's maximum filename length
LPDWORD lpFileSystemFlags, // address of file system flags
LPTSTR lpFileSystemNameBuffer, // address of name of file system
DWORD nFileSystemNameSize // length of lpFileSystemNameBuffer
);