本文整理自网络，侵删。
function GetHDSerialNo: string;
begin
Result := GetIdeHDSerialNo;
if Length(Result) = 0 then
Result := GetScsiHDSerialNo;
end;
function GetIdeHDSerialNo: string;
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;
//ptr : PChar;
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
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 := Trim(StrPas(@sSerialNumber));
end;
end;
function GetScsiHDSerialNo: string;
type
TScsiPassThrough = record
Length: Word;
ScsiStatus: Byte;
PathId: Byte;
TargetId: Byte;
Lun: Byte;
CdbLength: Byte;
SenseInfoLength: Byte;
DataIn: Byte;
DataTransferLength: ULONG;
TimeOutValue: ULONG;
DataBufferOffset: DWORD;
SenseInfoOffset: ULONG;
Cdb: array[0..15] of Byte;
end;
TScsiPassThroughWithBuffers = record
spt: TScsiPassThrough;
bSenseBuf: array[0..31] of Byte;
bDataBuf: array[0..191] of Byte;
end;
var
dwReturned: DWORD;
len: DWORD;
sDeviceName: string;
hDevice: THandle;
Buffer: array[0..SizeOf(TScsiPassThroughWithBuffers) + SizeOf(TScsiPassThrough) - 1] of Byte;
sptwb: TScsiPassThroughWithBuffers absolute Buffer;
begin
Result := '';
sDeviceName := 'C:';
hDevice := CreateFile(PChar('\\.\' + sDeviceName), GENERIC_READ or GENERIC_WRITE,
FILE_SHARE_READ or FILE_SHARE_WRITE, nil, OPEN_EXISTING, 0, 0);
if hDevice = INVALID_HANDLE_VALUE then
Exit;
try
FillChar(Buffer, SizeOf(Buffer), #0);
with sptwb.spt do
begin
Length := SizeOf(TScsiPassThrough);
CdbLength := 6; // CDB6GENERIC_LENGTH
SenseInfoLength := 24;
DataIn := 1; // SCSI_IOCTL_DATA_IN
DataTransferLength := 192;
TimeOutValue := 2;
DataBufferOffset := PChar(@sptwb.bDataBuf) - PChar(@sptwb);
SenseInfoOffset := PChar(@sptwb.bSenseBuf) - PChar(@sptwb);
Cdb[0] := $12; // OperationCode := SCSIOP_INQUIRY;
Cdb[1] := $01; // Flags := CDB_INQUIRY_EVPD; Vital product data
Cdb[2] := $80; // PageCode Unit serial number
Cdb[4] := 192; // AllocationLength
end;
len := sptwb.spt.DataBufferOffset + sptwb.spt.DataTransferLength;
if DeviceIoControl(hDevice, $0004D004, @sptwb, SizeOf(TScsiPassThrough),
@sptwb, len, dwReturned, nil) and ((PChar(@sptwb.bDataBuf) + 1)^ = #$80) then
SetString(Result, PChar(@sptwb.bDataBuf) + 4, Ord((PChar(@sptwb.bDataBuf) + 3)^));
Result := Trim(Result);
finally
CloseHandle(hDevice);
end;
end;
相关阅读 >>
Delphi firedac 下的 sqlite [11] - 关于批量提交 sql 命令的测试
Delphi winapi: inflaterect - 改变矩形大小
datasnap 上传/下载大文件(本demo以图传片文件为例)
Delphi通过spcomm com口发短信包括pud编码解码
更多相关阅读请进入《Delphi》频道 >>
