ab.cpp

Qt 编写的下位机程序

#include "ab.h"

MyMainWindow::MyMainWindow()
	
{	setGeometry(0,0,640,480);
	
	inText=new QLabel (this);
	inText->setGeometry(10,30,100,10);
	inText->setText(tr("Input Text"));

	outText=new QLabel (this);
	outText->setGeometry(10,80,100,10);
	outText->setText(tr("Output Text")); 	

	stateShow=new QLabel (this);
	stateShow->setGeometry(10,380,100,10);
	stateShow->setText(tr("stateShow")); 	

	inputText=new QLineEdit(this);
	inputText->setGeometry(100,30,300,50);

	outputText=new QLineEdit(this);
	outputText->setGeometry(100,80,300,50);


	connectButton=new QPushButton("Connect",this);
	connectButton->setGeometry(50,420,100,25);

	exitButton=new QPushButton("Send",this);
	exitButton->setGeometry(350,420,100,25);

	connectionTimer =new QTimer(this);
	connectionTimer->start(300,true);

	sendTimer =new QTimer(this);
	//sendTimer->start(500,true);

	ClientSocket= new QSocket(this);
	
	ClientSocket->connectToHost("192.168.1.9",10001);
	//connect(connectButton,SIGNAL(clicked()),this,SLOT(Conne()));
	//connect(exitButton,SIGNAL(clicked()),this,SLOT(dataSend()));	
	connect(ClientSocket,SIGNAL(readyRead()),this,SLOT(dataGet()));
	connect(connectionTimer,SIGNAL(timeout()),this,SLOT(timerOut()));
	connect(sendTimer,SIGNAL(timeout()),this,SLOT(dataSend()));

}

void MyMainWindow::Conne()

{	
	
//	ClientSocket->connectToHost("192.168.1.9",10001);
}

void MyMainWindow::dataSend()
{	
	printf("%s\n","abc");

	ClientSocket->writeBlock(inputText->text(),1024);
	sendTimer->stop();
}

void MyMainWindow::dataGet()
{
	char abc[1050];
//s.resize( ClientSocket->bytesAvailable());
//	Q_ULONG abc=16;
	ClientSocket->readBlock(abc,ClientSocket->bytesAvailable());

	sendTimer->start(500,true);
	printf("%s\n",abc); 
	//ab.append(abc);
	//if (abc[0]=0x55)

	//{
	inputText->setText(abc);
	//}
}

void MyMainWindow::timerOut()
{

	switch(ClientSocket->state())
	{
	case QSocket::Idle:

		stateShow->setText(tr("Idle"));
		break;
	case QSocket::HostLookup:

		stateShow->setText(tr("HostLookup"));
		break;
	case QSocket::Connecting:
		stateShow->setText(tr("Connecting"));
		break;
//	case QSocket::Connected:
//		stateShow->setText(tr("Connected"));
//		break;
	case QSocket::Closing:
		stateShow->setText(tr("Closing"));
		break;
	default:
		stateShow->setText(tr("Connected"));	

	}
	connectionTimer->start(500,true);

}