comthread.h

在linux下的QT中使用串口的编程方法

#include<QThread>
#include<QTextEdit>
#include<QMutex>
#include<QObject>
#include <QtGui/QLineEdit>
//#include <QtGui/QLabel>
class comrecover:public QThread
{
    Q_OBJECT
	public:
	int sum;
	QMutex *m;
        comrecover(int sum)
	{
                        this->sum=sum;
          		m=new QMutex;
         //  QObject::connect(this, SIGNAL(qq(QString)),lel,SLOT(setText(QString)));
        }
	
          void run()
                {
                      qDebug("thread1 is running! sum=%d\n",sum);
	              while(1)
	              {

                        this->msleep(sum);
                        m->lock();
                        emit pp();
                        m->unlock();
                      }
                }
    signals:
               // void qq(QString);
                void pp();
    public slots:
                void lptime(const QString & mm)
                {
                     sum = mm.toInt();
                     qDebug("thread1 is msleep! sum=%d\n",sum);
                }
};