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/**************************************************************************
**
** This file is part of the tools applications of the Qt Toolkit.
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#include "serenum.h"
#include <QByteArray>
#include <QString>
#include <QDebug>
#include <windows.h>
#include <windef.h>
#include <setupapi.h>
#include <devguid.h>
#include <winreg.h>
#include <shlwapi.h>
//{4d36e978-e325-11ce-bfc1-08002be10318}
//DEFINE_GUID(GUID_DEVCLASS_PORTS, 0x4D36E978, 0xE325, 0x11CE, 0xBF, 0xC1, 0x08, 0x00, 0x2B, 0xE1, 0x03, 0x18 );
QList<SerialPortId> enumerateSerialPorts()
{
DWORD index=0;
SP_DEVINFO_DATA info;
GUID guid = GUID_DEVCLASS_PORTS;
HDEVINFO infoset = SetupDiGetClassDevs(&guid, 0, 0, DIGCF_PRESENT);
QString valueName(16384, 0);
QList<SerialPortId> list;
for (index=0;;index++) {
ZeroMemory(&info, sizeof(SP_DEVINFO_DATA));
info.cbSize = sizeof(SP_DEVINFO_DATA);
if (!SetupDiEnumDeviceInfo(infoset, index, &info))
break;
QString friendlyName;
QString portName;
DWORD size=0;
SetupDiGetDeviceRegistryProperty(infoset, &info, SPDRP_FRIENDLYNAME, 0, 0, 0, &size);
QByteArray ba(size, 0);
if(SetupDiGetDeviceRegistryProperty(infoset, &info, SPDRP_FRIENDLYNAME, 0, (BYTE*)(ba.data()), size, 0)) {
friendlyName = QString((const QChar*)(ba.constData()), ba.size() / 2 - 1);
}
HKEY key = SetupDiOpenDevRegKey(infoset, &info, DICS_FLAG_GLOBAL, 0, DIREG_DEV, KEY_READ);
if(key != INVALID_HANDLE_VALUE) {
#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0600
//RegGetValue not supported on XP, SHRegGetValue not supported by mingw :(
for (DWORD dwi=0;;dwi++) {
DWORD vsize = valueName.size();
if (ERROR_SUCCESS == RegEnumValue(key, dwi, (WCHAR*)(valueName.data()), &vsize, 0, 0, 0, &size)) {
if (valueName.startsWith("PortName")) {
QByteArray ba(size, 0);
vsize = valueName.size();
if(ERROR_SUCCESS == RegEnumValue(key, dwi, (WCHAR*)(valueName.data()), &vsize, 0, 0, (BYTE*)(ba.data()), &size)) {
portName = QString((const QChar*)(ba.constData()), ba.size() / 2 - 1);
}
}
} else {
break;
}
}
#else
if (ERROR_SUCCESS == SHRegGetValue(key, 0, "PortName", SRRF_RT_REG_SZ, 0, &size)) {
QByteArray ba(size, 0);
if (ERROR_SUCCESS == RegGetValue(key, 0, "PortName", SRRF_RT_REG_SZ, (BYTE*)(ba.data()), &size)) {
portName = QString((const QChar*)(ba.constData()), ba.size() / 2 - 1);
}
}
#endif
RegCloseKey(key);
}
SerialPortId id;
id.portName = portName;
id.friendlyName = friendlyName;
list.append(id);
}
SetupDiDestroyDeviceInfoList(infoset);
return list;
}
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