Please remember to mark the replies as answers if they help and unmark them if they provide no help. MSDN Community Support | Feedback to us Develop and promote your apps in Windows Store It can also terminate pending read or write operations on the resource. alcroito CMake: Dont use PUBLICLIBRARIES for tests and test helpers. PurgeComm function is used to discard all characters from the output or input buffer of a specified communications resource. GitHub - qt/qtserialport: Qt Serial Port support. SetupComm function is used to initialize the communications parameters for a specified communications device. Serial ports, parallel ports, fax machines,and modems are examples of communications resources.Communications Functions are used with communications resources. Part 2-to use the Communications Functions to clear the serial port buffers in visual c++ How to correctly use SerialPort.DiscardInBuffer? The following links are related topics to use the DiscardInBuffer() method and DiscardOutBuffer() method: It officially becomes part of Qt with the 5.1.0 release. QtSerialPort originated from the third-party library QSerialDevice and was subsequently made part of the Qt project. In SerialPort Class,the DiscardInBuffer() method is used to discard data from the serial driver's receive buffer,and theĭiscardOutBuffer() method is used to discard data from the serial driver's transmit buffer. Serial port modules for Qt have existed for some time, going back at least as far as QExtSerialPort under Qt version 2, but none of them were officially part of Qt. Part 1-to use the SerialPort Class method to clear the serial port buffers in visual c++

I want to answer your questions in two parts:

Qt serial port read example