#include "mainwindow.h"
#include "ui_mainwindow.h"
#include<QMessageBox>
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
//搜索可用的串口号
foreach(const QSerialPortInfo &info, QSerialPortInfo::availablePorts())
{
QSerialPort serial;
serial.setPort(info);
if(serial.open(QIODevice::ReadWrite))
{
ui->portbox->addItem(serial.portName());
serial.close();
}
}
}
MainWindow::~MainWindow()
{
delete ui;
}
void MainWindow::on_reflashbutton_clicked()
{
//搜索可用的串口号
ui->portbox->clear();
foreach(const QSerialPortInfo &info, QSerialPortInfo::availablePorts())
{
QSerialPort serial;
serial.setPort(info);
if(serial.open(QIODevice::ReadWrite))
{
ui->portbox->addItem(serial.portName());
serial.close();
}
}
}
//读取接收到的数据
void MainWindow::Read_Data()
{
QByteArray buf;
buf = serial->readAll();
if(!buf.isEmpty())
{
QString str = ui->gettext->toPlainText();
str+=tr(buf);
ui->gettext->clear();
ui->gettext->append(str);
}
buf.clear();
}
void MainWindow::on_connectbutton_clicked()
{
serial = new QSerialPort;
//设置串口名
serial->setPortName(ui->portbox->currentText());
//打开串口
serial->open(QIODevice::ReadWrite);
//设置波特率
serial->setBaudRate(ui->baudrate->currentText().toInt());
//设置数据位数
serial->setDataBits(QSerialPort::Data8);
//设置奇偶校验
serial->setParity(QSerialPort::NoParity);
//设置停止位
serial->setStopBits(QSerialPort::OneStop);
//设置流控
serial->setFlowControl(QSerialPort::NoFlowControl);
//连接信号槽
QObject::connect(serial, &QSerialPort::readyRead, this, &MainWindow::Read_Data);
}
void MainWindow::on_closetbutton_clicked()
{
if(serial != NULL)
{
serial->clear();
serial->close();
serial->deleteLater();
}
}
void MainWindow::on_sendbutton_clicked()
{
serial->write(ui->sendtext->toPlainText().toLatin1());
}
