程序运行截图如下:
虚拟串口设置如下:
源码如下:
SerialDemo.pro
QT += core serialport
QT -= gui
CONFIG += c++11
TARGET = SerialDemo
CONFIG += console
CONFIG -= app_bundle
TEMPLATE = app
SOURCES += main.cpp
# The following define makes your compiler emit warnings if you use
# any feature of Qt which as been marked deprecated (the exact warnings
# depend on your compiler). Please consult the documentation of the
# deprecated API in order to know how to port your code away from it.
DEFINES += QT_DEPRECATED_WARNINGS
# You can also make your code fail to compile if you use deprecated APIs.
# In order to do so, uncomment the following line.
# You can also select to disable deprecated APIs only up to a certain version of Qt.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
main.cpp
#include <QCoreApplication>
#include <QSerialPort>
#include <QDebug>
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
QSerialPort serial;
serial.setPortName("com4");
if(!serial.open(QIODevice::ReadWrite)){
qDebug() << "open failed";
return -1;
}
serial.write(QString("1234567abcdefg").toStdString().c_str());
if (serial.waitForBytesWritten()) {
if (serial.waitForReadyRead()) {
QByteArray responseData = serial.readAll();
while (serial.waitForReadyRead(10))
responseData += serial.readAll();
QString response(responseData);
qDebug() << response;
}
}
return a.exec();
}