mainframe.cpp

基于qt 2.3.10的串口类

#include <string.h>
#include <qpushbutton.h>

#include "mainframe.h"

QSerialSt st = {
	"/dev/ttyAM1",
	9600,
	8,
	1,
	'N'
};

MainFrame::MainFrame(QWidget *parent, const char *name, WFlags f) : QWidget(parent, name ,f)
{
	int ret;
	
	label = new QLabel(this);
	label->setMinimumSize(100,100);
	
	pushButton = new QPushButton("Push", this);
	pushButton->setMinimumSize(20,20);
	pushButton->move(100,100);

	serial = new QSerial();
	ret = serial->init( &st );
	
	if(-1 != ret)
		serial->setNotifier();

	connect((QObject*)serial, SIGNAL(readyRead(char*, int)), this, SLOT(readSerial(char*, int)));

	connect(pushButton, SIGNAL(clicked()), this, SLOT(writeServer()));

}

MainFrame::~MainFrame()
{

}

void MainFrame::readSerial( char* data, int len)
{
	len = 0;
	QString str(data);
	label->setText(str);
}

void MainFrame::writeServer()
{
	char *ptr = "welcome to Beijing\n";
	serial->writeBlock(ptr, strlen(ptr));
}