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111 lines
2.2 KiB
111 lines
2.2 KiB
/*++
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Copyright (c) 1994 - 1995 Microsoft Corporation
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Module Name:
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PnpId.c
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Abstract:
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Generate pnp hardware id from model manufacturer
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Author:
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Revision History:
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--*/
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#define NOMINMAX
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#include <nt.h>
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#include <ntrtl.h>
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#include <nturtl.h>
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#include <windows.h>
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#include <stdio.h>
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#include <stdlib.h>
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WORD wCRC16a[16]={
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0000000, 0140301, 0140601, 0000500,
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0141401, 0001700, 0001200, 0141101,
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0143001, 0003300, 0003600, 0143501,
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0002400, 0142701, 0142201, 0002100,
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};
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WORD wCRC16b[16]={
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0000000, 0146001, 0154001, 0012000,
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0170001, 0036000, 0024000, 0162001,
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0120001, 0066000, 0074000, 0132001,
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0050000, 0116001, 0104001, 0043000,
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};
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//
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// From win95
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//
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#define MAX_DEVNODE_NAME_ROOT 20
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USHORT
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GetCheckSum(
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PBYTE ptr,
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ULONG ulSize
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)
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{
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BYTE byte;
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USHORT CS=0;
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for ( ; ulSize ; --ulSize, ++ptr) {
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byte = (BYTE)(((WORD)*ptr)^((WORD)CS)); // Xor CRC with new char
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CS = ((CS)>>8) ^ wCRC16a[byte&0x0F] ^ wCRC16b[byte>>4];
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}
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printf("Check sum: %04X\n", CS);
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return CS;
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}
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int
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#if !defined(_MIPS_) && !defined(_ALPHA_) && !defined(_PPC_)
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_cdecl
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#endif
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main (argc, argv)
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int argc;
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char *argv[];
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{
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TCHAR szHwId[100], szCheckSum[10],
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szDevNodeName[100], *p;
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USHORT usCheckSum;
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DWORD dwLastError, dwcbHardwareIDSize;
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if ( argc != 3 ) {
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printf("Usage: %s ""Manufacturer Name"" ""Model Name""\n", argv[0]);
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return 0;
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}
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lstrcpy(szHwId, argv[1]);
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lstrcat(szHwId, argv[2]);
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usCheckSum = GetCheckSum(szHwId, strlen(szHwId));
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sprintf( szCheckSum, "%04X", usCheckSum );
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dwcbHardwareIDSize = strlen(argv[1]) + strlen(argv[2]);
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if ( dwcbHardwareIDSize > MAX_DEVNODE_NAME_ROOT )
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dwcbHardwareIDSize = MAX_DEVNODE_NAME_ROOT;
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szHwId[dwcbHardwareIDSize] = TEXT('\0');
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for ( p = szHwId ; p = strchr(p, TEXT(' ')) ; )
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*p = TEXT('_');
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lstrcat(szHwId, szCheckSum);
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lstrcpy(szDevNodeName, TEXT("LPTENUM"));
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lstrcat(szDevNodeName, TEXT("\\"));
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lstrcat(szDevNodeName, szHwId);
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printf("Hardware Id : %s\n", szHwId);
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printf("Devnode name: %s\n", szDevNodeName);
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}
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