基于Qt creator 实现ymodem协议 通过串口传输文件 可以用来做串口升级的功能等等 代码简单 容易懂.zip

#include "mainwindow.h" #include "ui_mainwindow.h" MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); setWindowFlags(windowFlags()& ~Qt::WindowMaximizeButtonHint); setFixedSize(this->width(), this->height()); //find the available serial ports foreach (const QSerialPortInfo &info, QSerialPortInfo::availablePorts()) { qDebug() << "Name : " << info.portName(); qDebug() << "Description : " << info.description(); qDebug() << "Manufacturer: " << info.manufacturer(); QSerialPort serial; serial.setPort(info); ui->comboBoxCOM->addItem(info.portName()); } myCom=new QSerialPort; IsComOpen=false; BaudRete[0] = QSerialPort::Baud9600, BaudRete[1] = QSerialPort::Baud115200; QString str; for(qint8 i = 0; i < 2; i++) { str.setNum(BaudRete[i], 10); ui->comboBoxBaudRate->addItem(str); } ui->comboBoxBaudRate->setCurrentIndex(1); //default is 115200 ui->comboBoxProtocolType->addItem("Ymodem"); ui->comboBoxProtocolType->setCurrentIndex(0);//default Ymodem // FilePath="Z:/share/app_test/Project.bin"; FilePath="Z:/share/app_test/STM32L1XX_MDP.bin"; ui->lineEditOpenFile->setText(FilePath); //set the mainwindow status bar ComStateLabel = new QLabel; FileStateLabel = new QLabel; PackStateLabel = new QLabel; UseTimeStateLabel = new QLabel; statusBar()->addWidget(ComStateLabel); statusBar()->addWidget(FileStateLabel); statusBar()->addWidget(PackStateLabel); statusBar()->addWidget(UseTimeStateLabel); //connect to slot connect(ui->comboBoxProtocolType, SIGNAL(currentIndexChanged(int)), this, SLOT(StateUpdate())); connect(ui->comboBoxCOM, SIGNAL(currentIndexChanged(int)), this, SLOT(StateUpdate())); connect(ui->comboBoxBaudRate, SIGNAL(currentIndexChanged(int)), this, SLOT(StateUpdate())); connect(ui->lineEditOpenFile, SIGNAL(textChanged(QString)), this, SLOT(FilePathChanged(QString))); connect(myCom,SIGNAL(readyRead()),this,SLOT(readMyCom())); ui->pushButtonSendFile->setEnabled(false); //signal from the child thread connect(&this->thread_send, SIGNAL(SendPack()), this, SLOT(StateUpdate())); connect(this, SIGNAL(sendRecvData(QByteArray)), &this->thread_send, SLOT(getSerialData(QByteArray))); connect(&this->thread_send, SIGNAL(WriteToSerial(QByteArray,qint16)), this, SLOT(WriteMyCom(QByteArray,qint16))); //start the thread thread_send.start(); StateUpdate(); } MainWindow::~MainWindow() { thread_send.Stop(); thread_send.quit(); if(thread_send.wait(100)) { qDebug("thread_send exit successful"); } else { qDebug("thread_send terminate"); thread_send.terminate(); } delete ui; } //update the status bar void MainWindow::StateUpdate() { qDebug("State Update"); qint32 size=0; QString str; float tmp; //update the packgesize // if(ui->comboBoxProtocolType->currentIndex()) // SerialThread.PackSize = 1024; // else // SerialThread.PackSize = 1024; thread_send.PackSize = 1024;//fixed the ymodem protocol packgesize //update the serial status str += ui->comboBoxCOM->currentText(); str += tr("("); str += ui->comboBoxBaudRate->currentText(); str += tr(" 8, N, 1)"); if(myCom->isOpen()) str += tr(" is opened. "); else str += tr(" is closed. "); ComStateLabel->setText(str); //update the file size str = tr("File size:"); size = FileData.size(); QString strTmp; if(size >= 1024) { tmp = size; tmp /= 1024.00; strTmp.setNum(tmp, 'g', 4); str += strTmp; str += tr(" KBytes"); } else { strTmp.setNum(size, 10); str += strTmp; str += tr(" Byte"); } FileStateLabel->setText(str); //update the packge number str = tr("Send pack:"); strTmp.setNum(thread_send.PackNumber); str += strTmp; str += tr("/"); strTmp.setNum(thread_send.PackCnt); str += strTmp; PackStateLabel->setText(str); //update the used time str = tr("Times:"); tmp = (thread_send.UseTimes * 5) / 1000.00; strTmp.setNum(tmp, 'g', 4); str += strTmp; str += tr(" S"); UseTimeStateLabel->setText(str); if(thread_send.bIsSend) { ui->pushButtonSendFile->setText("发送"); thread_send.bIsSend = false; thread_send.Recv_able=false; ui->sendbyserial->setEnabled(true); ui->pushButton_2->setEnabled(true); thread_send.PackCnt = 0; QMessageBox::about(NULL, "发送进度", "文件发送成功！"); } //set the progressBar ui->progressBar->setValue(thread_send.PackCnt); } void MainWindow::FilePathChanged(QString path) { FilePath = path; } void MainWindow::on_pushButton_clicked() { ui->textBrowser->clear(); } void MainWindow::on_pushButtonOpenCom_clicked() { qDebug("on pushButton OpenCom clicked"); qint8 Index = ui->comboBoxBaudRate->currentIndex(); myCom->setPortName(ui->comboBoxCOM->currentText()); if(false == IsComOpen) { IsComOpen=myCom->open(QIODevice::ReadWrite); if(true == IsComOpen) { myCom->setBaudRate(BaudRete[Index]); myCom->setDataBits(QSerialPort::Data8); myCom->setParity(QSerialPort::NoParity); myCom->setStopBits(QSerialPort::OneStop); myCom->setFlowControl(QSerialPort::NoFlowControl); IsComOpen = true; ui->pushButtonOpenCom->setText("关闭串口"); ui->pushButtonSendFile->setEnabled(true); ui->comboBoxBaudRate->setEnabled(false); ui->comboBoxCOM->setEnabled(false); ui->comboBoxProtocolType->setEnabled(false); ui->pushButton_2->setEnabled(true); } else QMessageBox::about(NULL, tr("串口打开错误"), tr("无法打开串口或是串口被占用！")); } else { myCom->close(); ui->pushButtonOpenCom->setText("打开串口"); ui->pushButtonSendFile->setEnabled(false); ui->comboBoxBaudRate->setEnabled(true); ui->comboBoxCOM->setEnabled(true); ui->comboBoxProtocolType->setEnabled(true); IsComOpen = false; ui->pushButton_2->setEnabled(false); } StateUpdate(); } void MainWindow::on_pushButtonOpenFile_clicked() { qDebug("On PushButton OpenFile Clicked"); FileData.clear();//file buf clear //the file path FilePath = QFileDialog::getOpenFileName(this,tr("Open Binary File"), ".", tr("Binary File(*.bin *.hex)")); //the path is ok if(FilePath.length()) { ui->lineEditOpenFile->setText(FilePath); QFile file(FilePath); if(file.open(QIODevice::ReadOnly)) { FileData = file.readAll();//read file thread_send.TxData = FileData; thread_send.PackNumber = FileData.size() / thread_send.PackSize; if(FileData.size() % thread_send.PackSize) { thread_send.PackNumber += 1; } file.close(); } QFileInfo file_info(file); thread_send.FileName=file_info.fileName(); thread_send.FileSize=file_info.size(); } StateUpdate(); } void MainWindow::on_pushButtonSendFile_clicked() { qDebug("On PushButton Send File"); if(false == thread_send.bSendFile) { //no file open if(FilePath.isEmpty()) {