roboforum.ru

int Arduino::Create(Ui::cvRobotClass *pui)
{
    m_pTcpSocket = new QTcpSocket(this);
   OpenSocket();
   connect(m_pTcpSocket, SIGNAL(connected()), SLOT(slotConnected()));
   connect(m_pTcpSocket, SIGNAL(disconnected()), SLOT(slotDisconnected()));
   connect(m_pTcpSocket, SIGNAL(readyRead()), SLOT(slotReadyRead()));
    connect(m_pTcpSocket, SIGNAL(error(QAbstractSocket::SocketError)),
            this,         SLOT(slotError(QAbstractSocket::SocketError))
           );
   return 1;
}
void Arduino::OpenSocket(void)
{
   m_nNextBlockSize=0;
   UIOpenSocket(false);

   m_pTcpSocket->connectToHost(ui->eIPAddress->text(), ui->sbPort->value());
   
}

void Arduino::CloseSocket(void)
{
   m_pTcpSocket->disconnectFromHost();
}

void Arduino::slotConnected(void)
{
   ui->eRec->append("Connected\n");
   UIOpenSocket(true);
}

void Arduino::slotDisconnected(void)
{
   ui->eRec->append("Disconnected\n");
   UIOpenSocket(false);
}

void Arduino::slotError(QAbstractSocket::SocketError err)
{
    QString strError =
        "Error: " + (err == QAbstractSocket::HostNotFoundError ?
                     "The host was not found." :
                     err == QAbstractSocket::RemoteHostClosedError ?
                     "The remote host is closed." :
                     err == QAbstractSocket::ConnectionRefusedError ?
                     "The connection was refused." :
                     QString(m_pTcpSocket->errorString())
                    );
   ui->eRec->append(strError);
}

void Arduino::slotReadyRead(void)
{
   QString str;
   if (!m_pTcpSocket->canReadLine())
      m_pTcpSocket->waitForReadyRead();

   //   using socket readLine method
   str = QString(m_pTcpSocket->readLine());//.simplified();
}

void Arduino::SendCommand(const QString &str)
{
   if(!m_pTcpSocket->isOpen()) return;
   m_pTcpSocket->write(str.toAscii());
}