ray[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// Wi