什么是串口 串口是一种物理端口,类似于HDMI口,DP口,USB口,Lighting,Type-C等。串口又名串行端口、COM口。 串口的数据和控制信息是一位接一位地传输出去的。速度较慢,但是传输距离较远。 Qt模块支持 # pro文件 QT += serialport # 头文件 #include
QSerialPort::UnknownBaud-1Unknown baud. This value is obsolete. It is provided to keep old source code working. We strongly advise against using it in new code. See alsoQSerialPort::baudRate. enum QSerialPort::DataBits This enum describes the number of data bits used. ...
46.`QSerialPortserialPort;intbaudRate=serialPort.baudRate();`默认波特率是___。 -**答案:9600** 47.`QNetworkAccessManagermanager;QNetworkAccessManager::RedirectPolicypolicy=manager.redirectPolicy();`默认重定向策略是___。 -**答案:ManualRedirect...
void Widget::on_openButton_clicked() { /* 串口设置 */ serialPort->setPortName(ui->serialBox->currentText()); serialPort->setBaudRate(ui->baudrateBox->currentText().toInt()); serialPort->setDataBits(QSerialPort::Data8); serialPort->setStopBits(QSerialPort::OneStop); serialPort->set...
最近项目要求写上位机软件，需要实现界面功能和串口读写。界面方面用过MFC（早忘记了），网上查阅资料后...
qtserialport@a628c67 Update submodules on 'dev in qt/qt5' 18天前 qtshadertools@d90e9ac Update submodules on 'dev in qt/qt5' 18天前 qtspeech@bac2ec8 Update submodules on 'dev in qt/qt5' 18天前 qtsvg@ebf0441 Update submodules on 'dev in qt/qt5' ...
2、代码分析 例子具体的设计与代码说明在帮助文档中有,我们大致过一下。 大致说:这个例子展示了QSerialPort类的IO操作和配置等主要特点 [QT] TCP协议演示 ()-fileName.lastIndexOf('/')-1); //构造一个临时文件头 将总长度和文件名长度暂时为0 sendOut<<qint64(0)<<qint64(0)<<...(qint64)*2));...
-external-hostbindir <path> ... Path to Qt tools built for this machine. Use this when -platform does not match the current system, i.e., to make a Canadian Cross Build. Build options: -opensource ... Build the Open-Source Edition of Qt -commercial ...
set(qtserialport_HASH "b5a92452889f6fdcf05bd9395b803557ade0df60b49c698d7131df611cde1980d0b957127034aa6aae23f24dec6e97dff129c60e5d0291f057ba6d9fb51dcfca") set(qtwebchannel_HASH "81b264aa661460b7872bfdf49b4404f090382346997ee288afc8c00a92c52a72d963cba9667ef99e02b8bd696456ee34e811e5885...
if (currentPortNameChanged) { serial.close(); serial.setPortName(currentPortName); if (!serial.open(QIODevice::ReadWrite)) { emit error(tr("Can't open %1, error code %2") .arg(portName).arg(serial.error())); return; } } The loop will continue to request data, write to the ...