QSerialport多线程方法

#include "my_qserial.h" my_qserial::my_qserial(QObject *parent) : QObject(parent) { my_thread = new QThread(); show_func_id(); show_slots_id(); port = new QSerialPort(); init_port(); this->moveToThread(my_thread); port->moveToThread(my_thread);//串口也进去 my_thread->start();//开启多线程 qDebug() << "in main thread"; } void my_qserial::show_func_id() { qDebug() << "func_id is:" << QThread::currentThreadId(); } void my_qserial::show_slots_id() { qDebug() << "slots_id is:" << QThread::currentThreadId(); show_func_id(); } void my_qserial::init_port() { port->setPortName("COM1"); port->setBaudRate(9600); port->setDataBits(QSerialPort::Data8); port->setParity(QSerialPort::NoParity); port->setStopBits(QSerialPort::OneStop); port->setFlowControl(QSerialPort::NoFlowControl); if(port->open(QIODevice::ReadWrite)) { qDebug() << "Port have been opened"; } else { qDebug() << "open it failed"; } connect(this->port,SIGNAL(readyRead()),this,SLOT(handle_data()),Qt::DirectConnection); } void my_qserial::handle_data() { QByteArray data = port->readAll(); qDebug() << "data received:" << data; qDebug() << "handling thread is:" << QThread::currentThreadId(); } void my_qserial::write_data() { qDebug() << "write_id is:" << QThread::currentThreadId(); port->write("data",4); //emit(thread_sig()); }