WebJul 7, 2016 · I need to read data from a serial port and give it a time stamp, which needs to be somewhat accurate. Since QT's message loop freezes for example when you hold the left mouse button on the title bar it is impossible to get accurate time stamps using QT's message loop, hence a thread is required. Is there any way to get reliable time stamps … WebQt: QTimer和QThread. 让QTimer 跑在其他线程. 一般写法如下. 1. 在main thread中为worker thread指定定时器. 需要注意几个地方. 1) QTimer 不能指定parent, 否则 会出现警告 " QObject::moveToThread: Cannot move objects with a parent". 因为moveToThread 无法移动有parent的object. 2) QTimer 需要用 ...
DataPort: Qt串口类以及网口类二次封装
WebMar 13, 2024 · 可以使用Qt的QThread类来创建线程,然后将需要启动的函数放在线程的run ()函数中。. 具体步骤如下: 1. 创建一个继承自QThread的子类,并重写其run ()函数。. 2. 在子类的构造函数中,将需要启动的函数作为参数传入。. 3. 在子类的run ()函数中,调用传入的 …WebQT += core gui # 引入串口工程类型(第二步) QT += serialport greaterThan(QT_MAJOR_VERSION, 4): QT += widgets CONFIG += c++11 # The following define makes your compiler emit warnings if you use # any Qt feature that has been marked deprecated (the exact warnings # depend on your compiler). ...mank by david fincher
c++ - qt thread with movetothread - Stack Overflow
WebMay 22, 2024 · 使用movetothread方式。 ySerialPort = new YSerialPort(); serialPortThread = new QThread(); ySerialPort->moveToThread(serialPortThread); serialPortThread->start(); … WebJul 20, 2024 · 跟C++11中很像的是,Qt中使用QThread来管理线程,一个QThread对象管理一个线程,在使用上有很多跟C++11中相似的地方,但更多的是Qt中独有的内容。 另外,QThread对象也有消息循环exec()函数,即每个线程都有一个消息循环,用来处理自己这个 …kosher food delivery brooklyn