qt版本：5.9.1
win版本：10.1706
下载：https://download.csdn.net/download/zn2857/10194028
改自上篇文章的串口助手，加入linEdit显示文件路径，加入新pushButton加载文件，
文件加载后显示在串口发送窗口
短接串口助手收发，后可以实现把文件发送到textBrowser
目前效果一般般发送大文件十分的卡
下面是代码
/****************************************************************************
**
** Copyright (C) 2012 Denis Shienkov <denis.shienkov@gmail.com>
** Copyright (C) 2012 Laszlo Papp <lpapp@kde.org>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtSerialPort module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/#include "mainwindow.h"
#include "ui_mainwindow.h"
//#include "console.h"
#include "settingsdialog.h"#include <QMessageBox>
#include <QLabel>
#include <QtSerialPort/QSerialPort>#include <QFile>
#include <QFileDialog>
#include <QDir>
#include <QTextStream>
#include <QDataStream>
//! [0]
MainWindow::MainWindow(QWidget *parent) :QMainWindow(parent),ui(new Ui::MainWindow)
{
//! [0]ui->setupUi(this);
// console = new Console;
// console->setEnabled(false);
// setCentralWidget(console);
//! [1]serial = new QSerialPort(this);
//! [1]settings = new SettingsDialog;ui->actionConnect->setEnabled(true);ui->actionDisconnect->setEnabled(false);ui->actionQuit->setEnabled(true);ui->actionConfigure->setEnabled(true);status = new QLabel;ui->statusBar->addWidget(status);initActionsConnections();connect(serial, static_cast<void (QSerialPort::*)(QSerialPort::SerialPortError)>(&QSerialPort::error),this, &MainWindow::handleError);//! [2]connect(serial, &QSerialPort::readyRead, this, &MainWindow::readData);
//! [2]
// connect(console, &Console::getData, this, &MainWindow::writeData);
//! [3]
}
//! [3]MainWindow::~MainWindow()
{delete settings;delete ui;
}//! [4]
void MainWindow::openSerialPort()
{SettingsDialog::Settings p = settings->settings();serial->setPortName(p.name);serial->setBaudRate(p.baudRate);serial->setDataBits(p.dataBits);serial->setParity(p.parity);serial->setStopBits(p.stopBits);serial->setFlowControl(p.flowControl);if (serial->open(QIODevice::ReadWrite)) {
// console->setEnabled(true);
// console->setLocalEchoEnabled(p.localEchoEnabled);ui->actionConnect->setEnabled(false);ui->actionDisconnect->setEnabled(true);ui->actionConfigure->setEnabled(false);showStatusMessage(tr("Connected to %1 : %2, %3, %4, %5, %6").arg(p.name).arg(p.stringBaudRate).arg(p.stringDataBits).arg(p.stringParity).arg(p.stringStopBits).arg(p.stringFlowControl));} else {QMessageBox::critical(this, tr("Error"), serial->errorString());showStatusMessage(tr("Open error"));}
}
//! [4]//! [5]
void MainWindow::closeSerialPort()
{if (serial->isOpen())serial->close();
// console->setEnabled(false);ui->actionConnect->setEnabled(true);ui->actionDisconnect->setEnabled(false);ui->actionConfigure->setEnabled(true);showStatusMessage(tr("Disconnected"));
}
//! [5]void MainWindow::about()
{QMessageBox::about(this, tr("About Simple Terminal"),tr("The <b>Simple Terminal</b> example demonstrates how to ""use the Qt Serial Port module in modern GUI applications ""using Qt, with a menu bar, toolbars, and a status bar."));
}//! [6]
void MainWindow::writeData(const QByteArray &data)
{serial->write(data);
}
//! [6]//! [7]
void MainWindow::readData()
{
// QByteArray data = serial->readAll();// console->putData(data);QByteArray temp = serial->readAll();QString buf;// if(!temp.isEmpty())
// {
// buf = temp;// ui->textBrowser->setText(ui->textBrowser->document()->toPlainText() + buf);
// ui->textBrowser->moveCursor(QTextCursor::End);
// }if(!temp.isEmpty()){
// if(chrReceive->isChecked()){
// buf = temp;
// }else if(hexReceive->isChecked()){for(int i = 0; i < temp.count(); i++){QString s;s.sprintf("%02X ", (unsigned char)temp.at(i));buf += s;}
// }ui->textBrowser->setText(ui->textBrowser->document()->toPlainText() + buf);ui->textBrowser->moveCursor(QTextCursor::End);// //ui->statusBar->showMessage(tr("成功读取%1字节数据").arg(temp.size()));}}
//! [7]//! [8]
void MainWindow::handleError(QSerialPort::SerialPortError error)
{if (error == QSerialPort::ResourceError) {QMessageBox::critical(this, tr("Critical Error"), serial->errorString());closeSerialPort();}
}
//! [8]void MainWindow::initActionsConnections()
{connect(ui->actionConnect, &QAction::triggered, this, &MainWindow::openSerialPort);connect(ui->actionDisconnect, &QAction::triggered, this, &MainWindow::closeSerialPort);connect(ui->actionQuit, &QAction::triggered, this, &MainWindow::close);connect(ui->actionConfigure, &QAction::triggered, settings, &SettingsDialog::show);connect(ui->actionClear, &QAction::triggered, this, &MainWindow::clearTextBrowser);connect(ui->actionAbout, &QAction::triggered, this, &MainWindow::about);connect(ui->actionAboutQt, &QAction::triggered, qApp, &QApplication::aboutQt);
}void MainWindow::showStatusMessage(const QString &message)
{status->setText(message);
}void MainWindow::on_pushButton_clicked()
{serial->write(ui->textEdit->toPlainText().toLatin1());
}void MainWindow::clearTextBrowser()
{ui->textBrowser->setText(NULL);
}void MainWindow::on_openFileButton_clicked()
{//get file nameQString fileName = QFileDialog::getOpenFileName(this,"Open File",QDir::currentPath());
// qDebug()<< "fileName is" << fileName;ui->filePathLineEdit->setText (fileName);if(fileName.isEmpty()){QMessageBox::information(this,"Error Message", "Please Select a Text File");return;}QFileInfo *pcsfileInfo = new QFileInfo(fileName);binSize = pcsfileInfo->size ();QFile* file = new QFile;file->setFileName(fileName);bool ok = file->open(QIODevice::ReadOnly);if(ok){
// QTextStream in(file);
// ui->textEdit->setText(in.readAll());//read all context from the file}else{QMessageBox::information(this,"Error Message", "File Open Error" + file->errorString());return;}QDataStream in(file);char * binByte = new char[binSize];in.setVersion (QDataStream::Qt_5_9);in.readRawData (binByte, binSize); //读出文件到缓存QByteArray *tempByte = new QByteArray(binByte, binSize); //格式转换delete[] binByte;QString *tempStr = new QString(tempByte->toHex ().toUpper ());
// delete tempByte;//显示文件内容qint8 cnt = 1;qint16 kcnt = 0;for(qint64 i = 2; i < tempStr->size ();){tempStr->insert (i, ' ');//每个字节之间空一格i += 3;cnt++;if(cnt == 8)//每8个字节空2格{tempStr->insert (i, ' ');i += 1;}if(cnt == 16)//每16个字节空一格{cnt = 1;kcnt ++;if(kcnt == 64)//每64行，即1K数据，空一行{kcnt = 0;tempStr->insert (i, '\n');i++;}tempStr->insert (i, '\n');i += 3; //避免换行后开头一个空格,换行相当于从新插入}}ui->textEdit->insertPlainText (*tempStr);serial->write(*tempByte);delete tempByte;delete tempStr;file->close ();delete file;
}
/****************************************************************************
**
** Copyright (C) 2012 Denis Shienkov <denis.shienkov@gmail.com>
** Copyright (C) 2012 Laszlo Papp <lpapp@kde.org>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtSerialPort module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/#include "settingsdialog.h"
#include "ui_settingsdialog.h"#include <QtSerialPort/QSerialPortInfo>
#include <QIntValidator>
#include <QLineEdit>QT_USE_NAMESPACEstatic const char blankString[] = QT_TRANSLATE_NOOP("SettingsDialog", "N/A");SettingsDialog::SettingsDialog(QWidget *parent) :QDialog(parent),ui(new Ui::SettingsDialog)
{ui->setupUi(this);intValidator = new QIntValidator(0, 4000000, this);ui->baudRateBox->setInsertPolicy(QComboBox::NoInsert);connect(ui->applyButton, &QPushButton::clicked,this, &SettingsDialog::apply);connect(ui->serialPortInfoListBox, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),this, &SettingsDialog::showPortInfo);connect(ui->baudRateBox, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),this, &SettingsDialog::checkCustomBaudRatePolicy);connect(ui->serialPortInfoListBox, static_cast<void (QComboBox::*)(int)>(&QComboBox::currentIndexChanged),this, &SettingsDialog::checkCustomDevicePathPolicy);fillPortsParameters();fillPortsInfo();updateSettings();
}SettingsDialog::~SettingsDialog()
{delete ui;
}SettingsDialog::Settings SettingsDialog::settings() const
{return currentSettings;
}void SettingsDialog::showPortInfo(int idx)
{if (idx == -1)return;QStringList list = ui->serialPortInfoListBox->itemData(idx).toStringList();ui->descriptionLabel->setText(tr("Description: %1").arg(list.count() > 1 ? list.at(1) : tr(blankString)));ui->manufacturerLabel->setText(tr("Manufacturer: %1").arg(list.count() > 2 ? list.at(2) : tr(blankString)));ui->serialNumberLabel->setText(tr("Serial number: %1").arg(list.count() > 3 ? list.at(3) : tr(blankString)));ui->locationLabel->setText(tr("Location: %1").arg(list.count() > 4 ? list.at(4) : tr(blankString)));ui->vidLabel->setText(tr("Vendor Identifier: %1").arg(list.count() > 5 ? list.at(5) : tr(blankString)));ui->pidLabel->setText(tr("Product Identifier: %1").arg(list.count() > 6 ? list.at(6) : tr(blankString)));
}void SettingsDialog::apply()
{updateSettings();hide();
}void SettingsDialog::checkCustomBaudRatePolicy(int idx)
{bool isCustomBaudRate = !ui->baudRateBox->itemData(idx).isValid();ui->baudRateBox->setEditable(isCustomBaudRate);if (isCustomBaudRate) {ui->baudRateBox->clearEditText();QLineEdit *edit = ui->baudRateBox->lineEdit();edit->setValidator(intValidator);}
}void SettingsDialog::checkCustomDevicePathPolicy(int idx)
{bool isCustomPath = !ui->serialPortInfoListBox->itemData(idx).isValid();ui->serialPortInfoListBox->setEditable(isCustomPath);if (isCustomPath)ui->serialPortInfoListBox->clearEditText();
}void SettingsDialog::fillPortsParameters()
{ui->baudRateBox->addItem(QStringLiteral("9600"), QSerialPort::Baud9600);ui->baudRateBox->addItem(QStringLiteral("19200"), QSerialPort::Baud19200);ui->baudRateBox->addItem(QStringLiteral("38400"), QSerialPort::Baud38400);ui->baudRateBox->addItem(QStringLiteral("115200"), QSerialPort::Baud115200);ui->baudRateBox->addItem(tr("Custom"));ui->dataBitsBox->addItem(QStringLiteral("5"), QSerialPort::Data5);ui->dataBitsBox->addItem(QStringLiteral("6"), QSerialPort::Data6);ui->dataBitsBox->addItem(QStringLiteral("7"), QSerialPort::Data7);ui->dataBitsBox->addItem(QStringLiteral("8"), QSerialPort::Data8);ui->dataBitsBox->setCurrentIndex(3);ui->parityBox->addItem(tr("None"), QSerialPort::NoParity);ui->parityBox->addItem(tr("Even"), QSerialPort::EvenParity);ui->parityBox->addItem(tr("Odd"), QSerialPort::OddParity);ui->parityBox->addItem(tr("Mark"), QSerialPort::MarkParity);ui->parityBox->addItem(tr("Space"), QSerialPort::SpaceParity);ui->stopBitsBox->addItem(QStringLiteral("1"), QSerialPort::OneStop);
#ifdef Q_OS_WINui->stopBitsBox->addItem(tr("1.5"), QSerialPort::OneAndHalfStop);
#endifui->stopBitsBox->addItem(QStringLiteral("2"), QSerialPort::TwoStop);ui->flowControlBox->addItem(tr("None"), QSerialPort::NoFlowControl);ui->flowControlBox->addItem(tr("RTS/CTS"), QSerialPort::HardwareControl);ui->flowControlBox->addItem(tr("XON/XOFF"), QSerialPort::SoftwareControl);
}void SettingsDialog::fillPortsInfo()
{ui->serialPortInfoListBox->clear();QString description;QString manufacturer;QString serialNumber;const auto infos = QSerialPortInfo::availablePorts();for (const QSerialPortInfo &info : infos) {QStringList list;description = info.description();manufacturer = info.manufacturer();serialNumber = info.serialNumber();list << info.portName()<< (!description.isEmpty() ? description : blankString)<< (!manufacturer.isEmpty() ? manufacturer : blankString)<< (!serialNumber.isEmpty() ? serialNumber : blankString)<< info.systemLocation()<< (info.vendorIdentifier() ? QString::number(info.vendorIdentifier(), 16) : blankString)<< (info.productIdentifier() ? QString::number(info.productIdentifier(), 16) : blankString);ui->serialPortInfoListBox->addItem(list.first(), list);}ui->serialPortInfoListBox->addItem(tr("Custom"));
}void SettingsDialog::updateSettings()
{currentSettings.name = ui->serialPortInfoListBox->currentText();if (ui->baudRateBox->currentIndex() == 4) {currentSettings.baudRate = ui->baudRateBox->currentText().toInt();} else {currentSettings.baudRate = static_cast<QSerialPort::BaudRate>(ui->baudRateBox->itemData(ui->baudRateBox->currentIndex()).toInt());}currentSettings.stringBaudRate = QString::number(currentSettings.baudRate);currentSettings.dataBits = static_cast<QSerialPort::DataBits>(ui->dataBitsBox->itemData(ui->dataBitsBox->currentIndex()).toInt());currentSettings.stringDataBits = ui->dataBitsBox->currentText();currentSettings.parity = static_cast<QSerialPort::Parity>(ui->parityBox->itemData(ui->parityBox->currentIndex()).toInt());currentSettings.stringParity = ui->parityBox->currentText();currentSettings.stopBits = static_cast<QSerialPort::StopBits>(ui->stopBitsBox->itemData(ui->stopBitsBox->currentIndex()).toInt());currentSettings.stringStopBits = ui->stopBitsBox->currentText();currentSettings.flowControl = static_cast<QSerialPort::FlowControl>(ui->flowControlBox->itemData(ui->flowControlBox->currentIndex()).toInt());currentSettings.stringFlowControl = ui->flowControlBox->currentText();currentSettings.localEchoEnabled = ui->localEchoCheckBox->isChecked();
}
