I'm facing a odd problem with QSerialPortInfo on Qt Creator. To illustrate the problem as simple as possible lets look at this small code snippet.
.pro
I have included CONFIG += serialport of course.
main.cpp
#include <QGuiApplication>
#include <QTimer>
#include <QtSerialPort/QSerialPort>
#include <QtSerialPort/QSerialPortInfo>
int main(int argc, char *argv[])
{
QGuiApplication a(argc, argv);
QList<QSerialPortInfo> ports = QSerialPortInfo::availablePorts();
QList<QSerialPortInfo>::iterator i;
for(i = ports.begin(); i != ports.end(); i++)
{
printf("Port:\n");
printf(" - Name: %s\n", (*i).portName().toStdString().data());
printf(" - Description: %s\n", (*i).description().toStdString().data());
printf(" - Manufacturer: %s\n", (*i).manufacturer().toStdString().data());
printf(" - Serial number: %s\n", (*i).serialNumber().toStdString().data());
printf(" - System location: %s\n", (*i).systemLocation().toStdString().data());
printf("\n");
QTimer::singleShot(0, QCoreApplication::instance(), SLOT(quit()));
return a.exec();
}
This is a quite simple example of how to query the system for devices connected to it, however when I compile this on QtCreator, make reports all methods as undefined.
undefined reference to `QSerialPortInfo::availablePorts()'
undefined reference to `QSerialPortInfo::portName() const'
undefined reference to `QSerialPortInfo::description() const'
undefined reference to `QSerialPortInfo::manufacturer() const'
undefined reference to `QSerialPortInfo::serialNumber() const'
undefined reference to `QSerialPortInfo::systemLocation()'
Also tried #include <QtSerialPort/qserialportinfo.h> to be sure, yet no changes.
I also took a look and the QSerialPort files exist under the Qt source folder and I believe I've included all necessary references to it.
I'm puzzled and don't know what I'm missing.
Try this:
QT += serialport
instead of this:
CONFIG += serialport