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Delphi XE 取得硬盘序列号代码

作者:admin 来源: 日期:2013/11/25 20:36:58 人气: 标签:

function GetIdeSerialNumber: pchar;
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 System.SysUtils.Win32Platform = VER_PLATFORM_WIN32_NT then begin // Windows NT, Windows 2000
// 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;


procedure TForm1.Button1Click(Sender: TObject);
var
disksn:string;
begin
disksn:=StrPas(PAnsiChar(GetIdeSerialNumber()));

end;


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