bool QextSerialEnumerator::getDeviceDetailsWin( QextPortInfo* portInfo, HDEVINFO devInfo, PSP_DEVINFO_DATA devData, WPARAM wParam )
{
portInfo->friendName = getDeviceProperty(devInfo, devData, SPDRP_FRIENDLYNAME);
if( wParam == DBT_DEVICEARRIVAL)
portInfo->physName = getDeviceProperty(devInfo, devData, SPDRP_PHYSICAL_DEVICE_OBJECT_NAME);
portInfo->enumName = getDeviceProperty(devInfo, devData, SPDRP_ENUMERATOR_NAME);
QString hardwareIDs = getDeviceProperty(devInfo, devData, SPDRP_HARDWAREID);
HKEY devKey = SetupDiOpenDevRegKey(devInfo, devData, DICS_FLAG_GLOBAL, 0, DIREG_DEV, KEY_READ);
portInfo->portName = QextSerialPort::fullPortNameWin( getRegKeyValue(devKey, TEXT("PortName")) );
QRegExp idRx("VID_(\\w+)&PID_(\\w+)&");
if( hardwareIDs.toUpper().contains(idRx) )
{
bool dummy;
portInfo->vendorID = idRx.cap(1).toInt(&dummy, 16);
portInfo->productID = idRx.cap(2).toInt(&dummy, 16);
//qDebug() << "got vid:" << vid << "pid:" << pid;
}
return true;
}
//static
void QextSerialEnumerator::setupAPIScan(QList<QextPortInfo> & infoList)
{
HDEVINFO devInfo = INVALID_HANDLE_VALUE;
DWORD dwGuids = 0;
SetupDiClassGuidsFromName(TEXT("Ports"), NULL, 0, &dwGuids);
if (dwGuids == 0)
{
qCritical("SetupDiClassGuidsFromName failed. Error code: %ld", GetLastError());
return;
}
GUID *pGuids = new GUID[dwGuids];
if (!SetupDiClassGuidsFromName(TEXT("Ports"), pGuids, dwGuids, &dwGuids))
{
qCritical("SetupDiClassGuidsFromName second call failed. Error code: %ld", GetLastError());
return;
}
devInfo = SetupDiGetClassDevs(pGuids, NULL, NULL, DIGCF_PRESENT);
if(devInfo == INVALID_HANDLE_VALUE)
{
qCritical("SetupDiGetClassDevs failed. Error code: %ld", GetLastError());
return;
}
//enumerate the devices
bool ok = true;
SP_DEVICE_INTERFACE_DATA ifcData;
ifcData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
SP_DEVICE_INTERFACE_DETAIL_DATA * detData = NULL;
SP_DEVINFO_DATA devData = {sizeof(SP_DEVINFO_DATA)};
for (DWORD i = 0; ok; i++)
{
ok = SetupDiEnumDeviceInfo(devInfo, i, &devData);
if (ok)
{
// Got a device. Get the details.
QextPortInfo info;
info.friendName = getDeviceProperty(devInfo, & devData, SPDRP_FRIENDLYNAME);
info.physName = getDeviceProperty(devInfo, & devData, SPDRP_PHYSICAL_DEVICE_OBJECT_NAME);
info.enumName = getDeviceProperty(devInfo, & devData, SPDRP_ENUMERATOR_NAME);
//anyway, to get the port name we must still open registry directly :( ???
//Eh...
HKEY devKey = SetupDiOpenDevRegKey(devInfo, & devData, DICS_FLAG_GLOBAL, 0,
DIREG_DEV, KEY_READ);
info.portName = getRegKeyValue(devKey, TEXT("PortName"));
RegCloseKey(devKey);
if(info.portName.startsWith("COM"))
{
infoList.append(info);
}
}
else
{
if (GetLastError() != ERROR_NO_MORE_ITEMS)
{
delete [] detData;
qCritical("SetupDiEnumDeviceInfo failed. Error code: %ld", GetLastError());
return;
}
}
}
delete [] detData;
delete[] pGuids;
}
//static
void QextSerialEnumerator::setupAPIScan(QList<QextPortInfo> & infoList)
{
HDEVINFO devInfo = INVALID_HANDLE_VALUE;
GUID * guidDev = (GUID *) & GUID_CLASS_COMPORT;
devInfo = SetupDiGetClassDevs(guidDev, NULL, NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
if(devInfo == INVALID_HANDLE_VALUE) {
qCritical("SetupDiGetClassDevs failed. Error code: %ld", GetLastError());
return;
}
//enumerate the devices
bool ok = true;
SP_DEVICE_INTERFACE_DATA ifcData;
ifcData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
SP_DEVICE_INTERFACE_DETAIL_DATA * detData = NULL;
DWORD detDataSize = 0;
DWORD oldDetDataSize = 0;
for (DWORD i = 0; ok; i++) {
ok = SetupDiEnumDeviceInterfaces(devInfo, NULL, guidDev, i, &ifcData);
if (ok) {
SP_DEVINFO_DATA devData = {sizeof(SP_DEVINFO_DATA)};
//check for required detData size
SetupDiGetDeviceInterfaceDetail(devInfo, & ifcData, NULL, 0, & detDataSize, & devData);
//if larger than old detData size then reallocate the buffer
if (detDataSize > oldDetDataSize) {
delete [] detData;
detData = (SP_DEVICE_INTERFACE_DETAIL_DATA *) new char[detDataSize];
detData->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
oldDetDataSize = detDataSize;
}
//check the details
if (SetupDiGetDeviceInterfaceDetail(devInfo, & ifcData, detData, detDataSize,
NULL, & devData)) {
// Got a device. Get the details.
QextPortInfo info;
info.friendName = getDeviceProperty(devInfo, & devData, SPDRP_FRIENDLYNAME);
info.physName = getDeviceProperty(devInfo, & devData, SPDRP_PHYSICAL_DEVICE_OBJECT_NAME);
info.enumName = getDeviceProperty(devInfo, & devData, SPDRP_ENUMERATOR_NAME);
//anyway, to get the port name we must still open registry directly :( ???
//Eh...
HKEY devKey = SetupDiOpenDevRegKey(devInfo, & devData, DICS_FLAG_GLOBAL, 0,
DIREG_DEV, KEY_READ);
info.portName = getRegKeyValue(devKey, TEXT("PortName"));
RegCloseKey(devKey);
infoList.append(info);
} else {
qCritical("SetupDiGetDeviceInterfaceDetail failed. Error code: %ld", GetLastError());
delete [] detData;
return;
}
} else {
if (GetLastError() != ERROR_NO_MORE_ITEMS) {
delete [] detData;
qCritical("SetupDiEnumDeviceInterfaces failed. Error code: %ld", GetLastError());
return;
}
}
}
delete [] detData;
}
