Use the close() method to close the port and cancel the I/O operations. Note: The serial port is always opened with exclusive access (that is, no other process or thread can access an already opened serial port). You can pass an object of the helper class as an argument to the setPort() or setPortName() methods to assign the desired serial device.Īfter setting the port, you can open it in read-only (r/o), write-only (w/o), or read-write (r/w) mode using the open() method. This is useful to obtain the correct name of the serial port you want to use.
You can get information about the available serial ports using the QSerialPortInfo helper class, which allows an enumeration of all the serial ports in the system. Provides functions to access serial ports. SetPort(const QSerialPortInfo & serialPortInfo) SetBaudRate(qint32 baudRate, Directions directions = AllDirections) QSerialPort(const QSerialPortInfo & serialPortInfo, QObject * parent = nullptr)īaudRate(Directions directions = AllDirections) constĬlear(Directions directions = AllDirections)
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