ItemConnection::ItemConnection(ItemModule* source, ItemModule* target, size_t socket, QGraphicsScene* scene)
: QGraphicsItemGroup(0, scene), mSource(source), mTarget(target), mSockets(), mChildrens()
{
mSockets.push_back(socket);
// set z value
setZValue(5.0);
// set identification data
setData(0, Identification);
// create connection lines
CreateConnection();
UpdateConnection();
}
BOOL CSerialServer::Connect(char *pszDevice, DWORD dwBaudRate, int nParity, int nDataBit, int nStopBit, BOOL bFlowControl)
{
#ifdef WINCE
CString strDevice;
#endif
if (IsConnected())
return FALSE;
if (!pszDevice || !*pszDevice)
return FALSE;
m_bUseFlowControl = bFlowControl;
if (!InitializeVariable())
return FALSE;
strcpy(m_szDevice, pszDevice);
m_dwBaudRate = dwBaudRate;
m_nByteSize = nDataBit;
m_nParity = nParity;
m_nStopBits = nStopBit;
m_dwOldModemStatus = 0;
m_dwModemStatus = 0;
m_dwErrorsOld = 0;
m_dwErrors = 0;
m_nKeepAliveTime = INFINITE;
m_bPassiveMode = FALSE;
m_bDisconnectPending= FALSE;
memset(&m_ComStatOld, 0, sizeof(COMSTAT));
memset(&m_ComStatNew, 0, sizeof(COMSTAT));
#ifdef WINCE
strDevice = pszDevice;
m_hComPort = CreateFile(strDevice,
GENERIC_READ | GENERIC_WRITE,
0,
0,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
0);
#else
m_hComPort = CreateFile(pszDevice,
GENERIC_READ | GENERIC_WRITE,
0,
0,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED,
0);
#endif
if (m_hComPort == INVALID_HANDLE_VALUE)
{
XDEBUG("[CSerialServer] Invalid Handle Value\r\n");
return FALSE;
}
// Save original comm timeouts and set new ones
if (!GetCommTimeouts(m_hComPort, &m_timeoutOld))
XDEBUG("[CSerialServer] GetCommTimeouts.\r\n");
// Set Port State
UpdateConnection();
// Set comm buffer sizes
SetupComm(m_hComPort, MAX_READ_BUFFER, MAX_WRITE_BUFFER);
// Raise DTR
if (!EscapeCommFunction(m_hComPort, SETDTR))
XDEBUG("[CSerialServer] EscapeCommFunction (SETDTR).\r\n");
StartThread();
m_bConnected = TRUE;
return TRUE;
}
