314 lines
7.8 KiB
C
314 lines
7.8 KiB
C
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/*++
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Copyright (c) 2000,2001 Microsoft Corporation
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Module Name:
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smbdev.c
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Abstract: This module contains SMBus Device related functions.
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Environment:
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User mode
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Author:
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Michael Tsang (MikeTs) 23-Jan-2001
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Revision History:
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--*/
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#include "pch.h"
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#ifdef SYSACC
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/*++
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@doc INTERNAL
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@func BOOL | GetSMBDevInfo | Call the SysAccess driver to get the
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SMBus device info.
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@parm IN UCHAR | bDevAddr | SMB device address.
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@parm IN PSMBCMD_INFO | SmbCmd | Points to the SMB device command.
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@parm OUT PBYTE | pbBuff | To hold the device info.
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@rvalue SUCCESS | Returnes TRUE.
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@rvalue FAILURE | Returnes FALSE.
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--*/
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BOOL
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GetSMBDevInfo(
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IN UCHAR bDevAddr,
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IN PSMBCMD_INFO SmbCmd,
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OUT PBYTE pbBuff
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)
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{
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TRACEPROC("GetSMBDevInfo", 3)
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BOOL rc;
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SMB_REQUEST SmbReq;
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DWORD dwcbReturned;
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TRACEENTER(("(DevAddr=%x,SmbCmd=%p,Cmd=%s,pbBuff=%p)\n",
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bDevAddr, SmbCmd, SmbCmd->pszLabel, pbBuff));
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TRACEASSERT(ghSysAcc != INVALID_HANDLE_VALUE);
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TRACEASSERT(SmbCmd->bProtocol <= SMB_MAXIMUM_PROTOCOL);
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SmbReq.Status = SMB_UNKNOWN_FAILURE;
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SmbReq.Address = bDevAddr;
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SmbReq.Protocol = SmbCmd->bProtocol;
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SmbReq.Command = SmbCmd->bCmd;
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rc = DeviceIoControl(ghSysAcc,
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IOCTL_SYSACC_SMBUS_REQUEST,
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&SmbReq,
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sizeof(SmbReq),
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&SmbReq,
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sizeof(SmbReq),
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&dwcbReturned,
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NULL);
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if (rc && (SmbReq.Status == SMB_STATUS_OK))
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{
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if (SmbReq.Protocol == SMB_READ_BLOCK)
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{
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PBLOCK_DATA Block = (PBLOCK_DATA)pbBuff;
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Block->bBlockLen = SmbReq.BlockLength;
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memset(Block->BlockData, 0, sizeof(Block->BlockData));
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memcpy(Block->BlockData, SmbReq.Data, SmbReq.BlockLength);
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}
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else
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{
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memcpy(pbBuff, SmbReq.Data, SmbCmd->iDataSize);
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}
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}
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else
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{
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ErrorMsg(IDSERR_SYSACC_DEVIOCTL, GetLastError());
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}
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TRACEEXIT(("=%x (Data=%x)\n", rc, *((PWORD)pbBuff)));
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return rc;
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} //GetSMBDevInfo
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/*++
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@doc INTERNAL
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@func BOOL | DisplaySMBDevInfo | Display SMBus device info.
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@parm IN HWND | hwndEdit | Edit window handle.
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@parm IN PSMBCMD_INFO | SmbCmd | Points to the SMB device command.
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@parm IN PBYTE | pbBuff | SMB device data to display.
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@rvalue SUCCESS | Returns TRUE if it handles it.
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@rvalue FAILURE | Returns FALSE if it doesn't handle it.
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--*/
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BOOL
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DisplaySMBDevInfo(
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IN HWND hwndEdit,
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IN PSMBCMD_INFO SmbCmd,
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IN PBYTE pbBuff
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)
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{
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TRACEPROC("DisplaySMBDevInfo", 3)
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BOOL rc = TRUE;
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WORD wData;
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BYTE bData;
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char *pszUnit = SmbCmd->pszUnit? SmbCmd->pszUnit: "";
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TRACEENTER(("(hwndEdit=%x,SmbCmd=%p,Cmd=%s,pbBuff=%p)\n",
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hwndEdit, SmbCmd, SmbCmd->pszLabel, pbBuff));
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switch (SmbCmd->bType)
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{
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case TYPEF_BYTE_HEX:
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bData = *pbBuff;
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EditPrintf(hwndEdit,
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" 0x%02x %s\r\n",
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bData,
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pszUnit);
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break;
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case TYPEF_BYTE_DEC:
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bData = *pbBuff;
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EditPrintf(hwndEdit,
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"%6d %s\r\n",
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bData,
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pszUnit);
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break;
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case TYPEF_BYTE_INT:
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bData = *pbBuff;
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EditPrintf(hwndEdit,
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"%6d %s\r\n",
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(signed char)bData,
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pszUnit);
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break;
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case TYPEF_WORD_HEX:
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wData = *((PWORD)pbBuff);
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EditPrintf(hwndEdit,
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"0x%04x %s\r\n",
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wData,
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pszUnit);
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break;
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case TYPEF_WORD_DEC:
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wData = *((PWORD)pbBuff);
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EditPrintf(hwndEdit,
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"%6d %s\r\n",
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wData,
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pszUnit);
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break;
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case TYPEF_WORD_INT:
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wData = *((PWORD)pbBuff);
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EditPrintf(hwndEdit,
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"%6d %s\r\n",
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(SHORT)wData,
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pszUnit);
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break;
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case TYPEF_BYTE_BITS:
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bData = *pbBuff;
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EditPrintf(hwndEdit, " 0x%02x", bData);
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DisplayDevBits(hwndEdit,
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SmbCmd->dwData,
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(PSZ *)SmbCmd->pvData,
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(DWORD)bData);
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EditPrintf(hwndEdit, "\r\n");
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break;
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case TYPEF_WORD_BITS:
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wData = *((PWORD)pbBuff);
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EditPrintf(hwndEdit, "0x%04x", wData);
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DisplayDevBits(hwndEdit,
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SmbCmd->dwData,
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(PSZ *)SmbCmd->pvData,
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(DWORD)wData);
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EditPrintf(hwndEdit, "\r\n");
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break;
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case TYPEF_BLOCK_STRING:
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EditPrintf(hwndEdit,
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"\"%.*s\"\r\n",
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((PBLOCK_DATA)pbBuff)->bBlockLen,
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((PBLOCK_DATA)pbBuff)->BlockData);
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break;
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case TYPEF_BLOCK_BUFFER:
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{
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PBLOCK_DATA BlockData = (PBLOCK_DATA)pbBuff;
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char szSpaces[32];
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int i, iLen;
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iLen = lstrlenA(SmbCmd->pszLabel);
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for (i = 0; i < iLen; ++i)
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{
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szSpaces[i] = ' ';
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}
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szSpaces[i] = '\0';
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for (i = 0;
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(i < BlockData->bBlockLen) &&
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(i < sizeof(BlockData->BlockData));
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++i)
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{
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if ((i > 0) && ((i % 8) == 0))
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{
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EditPrintf(hwndEdit, "\r\n%s ", szSpaces);
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}
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EditPrintf(hwndEdit, " %02x", BlockData->BlockData[i]);
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}
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EditPrintf(hwndEdit, "\r\n");
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break;
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}
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default:
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rc = FALSE;
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}
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TRACEEXIT(("=%x\n", rc));
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return rc;
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} //DisplaySMBDevInfo
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/*++
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@doc INTERNAL
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@func VOID | DisplayDevBits | Display device bits info.
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@parm IN HWND | hwndEdit | Edit window handle.
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@parm IN DWORD | dwBitMask | Bit mask of relevant data bits.
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@parm IN PSZ * | apszBitNames | Points to array of bit names.
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@parm IN DWORD | dwData | device data.
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@rvalue None.
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--*/
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VOID
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DisplayDevBits(
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IN HWND hwndEdit,
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IN DWORD dwBitMask,
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IN PSZ *apszBitNames,
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IN DWORD dwData
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)
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{
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TRACEPROC("DisplayDevBits", 3)
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ULONG dwBit;
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int i;
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TRACEENTER(("(hwndEdit=%x,BitMask=%x,apszBitNames=%p,Data=%x)\n",
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hwndEdit, dwBitMask, apszBitNames, dwData));
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for (dwBit = 0x80000000, i = 0; dwBit != 0; dwBit >>= 1)
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{
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if (dwBitMask & dwBit)
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{
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if (dwData & dwBit)
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{
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EditPrintf(hwndEdit, ",%s", apszBitNames[i]);
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}
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i++;
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}
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}
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TRACEEXIT(("!\n"));
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return;
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} //DisplayDevBits
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/*++
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@doc INTERNAL
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@func VOID | EditPrintf | Append text to edit control.
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@parm IN HWND | hwndEdit | Edit window handle.
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@parm IN PSZ | pszFormat | Points to format string.
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@parm ... | Arguments
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@rvalue None.
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--*/
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VOID
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__cdecl
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EditPrintf(
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IN HWND hwndEdit,
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IN PSZ pszFormat,
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...
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)
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{
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TRACEPROC("EditPrintf", 3)
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va_list arglist;
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char szText[256];
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TRACEENTER(("(hwndEdit=%x,Format=%s)\n", hwndEdit, pszFormat));
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va_start(arglist, pszFormat);
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vsprintf(szText, pszFormat, arglist);
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va_end(arglist);
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SendMessage(hwndEdit, EM_SETSEL, -1, -1);
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SendMessage(hwndEdit, EM_REPLACESEL, 0, (LPARAM)szText);
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TRACEEXIT(("!\n"));
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return;
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} //EditPrintf
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#endif //ifdef SYSACC
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