/*!
Sets the name of the device associated with the object, e.g. "COM1", or "/dev/ttyS0".
*/
void QextSerialPort::setPortName(const QString & name)
{
#ifdef Q_OS_WIN
port = fullPortNameWin( name );
#else
port = name;
#endif
}
bool QextSerialPortPrivate::open_sys(QIODevice::OpenMode mode)
{
Q_Q(QextSerialPort);
DWORD confSize = sizeof(COMMCONFIG);
commConfig.dwSize = confSize;
DWORD dwFlagsAndAttributes = 0;
if (queryMode == QextSerialPort::EventDriven)
dwFlagsAndAttributes += FILE_FLAG_OVERLAPPED;
/*open the port*/
handle = CreateFileW((wchar_t *)fullPortNameWin(port).utf16(), GENERIC_READ|GENERIC_WRITE,
0, nullptr, OPEN_EXISTING, dwFlagsAndAttributes, nullptr);
if (handle != INVALID_HANDLE_VALUE) {
q->setOpenMode(mode);
/*configure port settings*/
GetCommConfig(handle, &commConfig, &confSize);
GetCommState(handle, &(commConfig.dcb));
/*set up parameters*/
commConfig.dcb.fBinary = TRUE;
commConfig.dcb.fInX = FALSE;
commConfig.dcb.fOutX = FALSE;
commConfig.dcb.fAbortOnError = FALSE;
commConfig.dcb.fNull = FALSE;
/* Dtr default to true. See Issue 122*/
commConfig.dcb.fDtrControl = TRUE;
/*flush all settings*/
settingsDirtyFlags = DFE_ALL;
updatePortSettings();
//init event driven approach
if (queryMode == QextSerialPort::EventDriven) {
if (!SetCommMask(handle, EV_TXEMPTY | EV_RXCHAR | EV_DSR)) {
QESP_WARNING()<<"failed to set Comm Mask. Error code:"<<GetLastError();
return false;
}
winEventNotifier = new QWinEventNotifier(overlap.hEvent, q);
qRegisterMetaType<HANDLE>("HANDLE");
q->connect(winEventNotifier, SIGNAL(activated(HANDLE)), q, SLOT(_q_onWinEvent(HANDLE)), Qt::DirectConnection);
WaitCommEvent(handle, &eventMask, &overlap);
}
return true;
}
return false;
}
