qtserialport - QT c++ open Serial port more than once -


i search example open multiple serial ports in qt.

my open port function settings forward other class

void mainwindow::openserialport(){     settingsdialog::settings p = settings->settings();     serial->setportname(p.name);     serial->setbaudrate(qserialport::baud9600);     serial->setdatabits(qserialport::data8);     serial->setparity(qserialport::noparity);     serial->setstopbits(qserialport::onestop);     serial->setflowcontrol(qserialport::noflowcontrol);  if (serial->open(qiodevice::readwrite)) {      ui->connectaction->setenabled(false);     ui->disconnectaction->setenabled(true);     ui->settingsaction->setenabled(false);     showstatusmessage(tr("connected %1 : ok")                       .arg(p.name)); } else { //gdy sie nie udalo error     qmessagebox::critical(this, tr("error"), serial->errorstring());      showstatusmessage(tr("open error")); } }


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