Qt Serial Port

Qt Serial Port provides the basic functionality, which includes configuring, I/O operations, getting and setting the control signals of the RS-232 pinouts.

The following items are not supported by this module:

• Terminal features, such as echo, control CR/LF, and so on.
• Text mode.
• Configuring timeouts and delays while reading or writing.
• Pinout signal change notification.

To use the serial port in your application, add the following include statement:

#include <QSerialPort>

For information about available serial ports, use the following include statement:

#include <QSerialPortInfo>

To use the module with cmake, use the find_package() command to locate the needed module components in the Qt6 package:

find_package(Qt6 COMPONENTS SerialPort REQUIRED)
target_link_libraries(mytarget PRIVATE Qt6::SerialPort)

To use the module for building with qmake, add the module as a value of the QT variable in the project's .pro file:

QT += serialport

Module Evolution

Changes to Qt SerialPort lists important changes in the module API and functionality that were done for the Qt 6 series of Qt.

Related Information

• C++ Classes
• Examples