linux系统管理客户端2--串口实现测试代码编写

#ifndef SDIALOG_H

#define SDIALOG_H

#include "qextSerialPort.h"

#include "win_qextserialport.h"

#include "comdialog.h"

#include <QDialog>

namespace Ui {

class sDialog;

}

class sDialog : public QDialog

{

Q_OBJECT

public:

explicit sDialog(QWidget *parent = 0);

~sDialog();

signals:

void qtWin();

void closeWin();

private:

Ui::sDialog *ui;

private:

QextSerialPort *myCom;              //使用第三方类定义对象

comDialog *comWin;                  //使用自定义串口配置类对象

bool isOpen;                        //判断串口是否被打开

bool isLogin;                       //判断是否登录系统

bool isClose;                       //判断是否关闭

private slots:

void readMyCom();                   //读数据槽函数

void sendData();                    //发送数据槽函数

void comSetButton();                //串口配置槽函数

void disConnectMyComButton();       //断开连接槽函数

void scroll();                      //textBrowser光标移动槽函数

protected:

void closeEvent(QCloseEvent *e);

};

#endif // SDIALOG_H

#include "sdialog.h"

#include "ui_sdialog.h"

#include "qextserialport.h"

#include <QMessageBox>

#include <QCloseEvent>

sDialog::sDialog(QWidget *parent) :

QDialog(parent),

ui(new Ui::sDialog)

{

isLogin = false;

isOpen = false;

isClose = true;

ui->setupUi(this);

comWin = new comDialog;

ui->sendButton->setDefault(true);

ui->disConnectButton->setEnabled(false);

this->setWindowFlags(Qt::WindowCloseButtonHint);

this->setWindowFlags(Qt::WindowMaximizeButtonHint);

this->setWindowFlags(Qt::WindowMinMaxButtonsHint);

connect(ui->openButton,SIGNAL(clicked()),comWin,SLOT(exec()));              //打开串口配置对话框

connect(ui->connectButton,SIGNAL(clicked()),this,SLOT(comSetButton()));     //串口连接

connect(ui->sendButton,SIGNAL(clicked()),this,SLOT(sendData()));            //发送命令

connect(ui->textBrowser,SIGNAL(textChanged()),this,SLOT(scroll()));         //光标滚动

connect(ui->disConnectButton,SIGNAL(clicked()),this,SLOT(disConnectMyComButton())); //断开连接

connect(this,SIGNAL(qtWin()),this,SLOT(disConnectMyComButton()));                   //自定义信号断开连接

connect(this,SIGNAL(closeWin()),this,SLOT(accept()),Qt::QueuedConnection);          //使用排队方式连接信号emit语句后的代码将在发出信号后立即被执行

}

sDialog::~sDialog()

{

delete ui;

}

//串口连接

void sDialog::comSetButton()

{

myCom = new QextSerialPort(comWin->comPort,QextSerialBase::EventDriven);

isOpen = myCom->open(QIODevice::ReadWrite);

if(isOpen == true)

{

QMessageBox::information(this,"infor",tr("open success!"));

}

else

{

QMessageBox::information(this,"infor","open failure!");

return;

}

ui->connectButton->setEnabled(false);

ui->openButton->setEnabled(false);

switch(comWin->comBaud)

{

case 0:

myCom->setBaudRate(BAUD300);

break;

case 1:

myCom->setBaudRate(BAUD600);

break;

case 2:

myCom->setBaudRate(BAUD1200);

break;

case 3:

myCom->setBaudRate(BAUD2400);

break;

case 4:

myCom->setBaudRate(BAUD9600);

break;

case 5:

myCom->setBaudRate(BAUD38400);

break;

case 6:

myCom->setBaudRate(BAUD57600);

break;

case 7:

myCom->setBaudRate(BAUD115200);

break;

case 8:

myCom->setBaudRate(BAUD128000);

break;

case 9:

myCom->setBaudRate(BAUD256000);

break;

}

switch(comWin->comStopBit)

{

case 0:

myCom->setStopBits(STOP_1);

break;

case 1:

myCom->setStopBits(STOP_1_5);

break;

case 2:

myCom->setStopBits(STOP_2);

break;

}

switch(comWin->comDataBit)

{

case 0:

myCom->setDataBits(DATA_5);

break;

case 1:

myCom->setDataBits(DATA_6);

break;

case 2:

myCom->setDataBits(DATA_7);

break;

case 3:

myCom->setDataBits(DATA_8);

break;

}

switch(comWin->comPariy)

{

case 0:

myCom->setParity(PAR_NONE);

break;

case 1:

myCom->setParity(PAR_ODD);

break;

case 2:

myCom->setParity(PAR_EVEN);

break;

case 3:

myCom->setParity(PAR_SPACE);

break;

case 4:

myCom->setParity(PAR_MARK);

break;

}

switch(comWin->comFlow)

{

case 0:

myCom->setFlowControl(FLOW_OFF);

break;

case 1:

myCom->setFlowControl(FLOW_HARDWARE);

break;

case 2:

myCom->setFlowControl(FLOW_XONXOFF);

break;

}

myCom->setTimeout(500);

//等待接收数据

connect(myCom,SIGNAL(readyRead()),this,SLOT(readMyCom()));

}

//按行读取串口数据

void sDialog::readMyCom()

{

char buf[512] = {0};

if(0 <<span style=" color:#c0c0c0;"> myCom->readLine(buf,sizeof(buf)))

{

if(strchr(buf,'@') != NULL)                     //判断是否登录

{

ui->disConnectButton->setEnabled(true);

if(isLogin)

{

QString str = "exit\n";

myCom->write(str.toAscii());

isLogin = false;

ui->disConnectButton->setEnabled(false);

myCom->close();

ui->openButton->setEnabled(true);

ui->connectButton->setEnabled(true);

}

}

if(!isClose)

{

emit closeWin();

return;

}

ui->textBrowser->insertPlainText(buf);

}

}

//发送数据

void sDialog::sendData()

{

if(isOpen)

{

QString str;

str = ui->msgEdit->text()+"\n";

myCom->write(str.toAscii());

Sleep(50);

ui->msgEdit->clear();

}

else

{

QMessageBox::information(this,"infor","can not open");

}

}

void sDialog::scroll()

{

ui->textBrowser->moveCursor(QTextCursor::End);

}

void sDialog::disConnectMyComButton()

{

if(!isClose && !isOpen)

{

emit closeWin();

return;

}

if(isOpen)

{

isLogin = true;

isOpen = false;

QString str = "\n";

myCom->write(str.toAscii());

}

else

{

QMessageBox::information(this,"infor","Has not open");

}

}

//重写closeEvent拦截关闭按钮

void sDialog::closeEvent(QCloseEvent *e)

{

if(QMessageBox::Yes == QMessageBox::information(this,"infor","Are you sure to close the window!",QMessageBox::Yes,QMessageBox::Cancel))

{

e->ignore();

isClose = false;

emit(qtWin());                         //发送自定义信号清理打开的系统

}

else

{

e->ignore();

}

}