qt串口下载bin固件例子

#include "mainwindow.h" #include "ui_mainwindow.h" #define yr_recbuf_delay_time (10) #define yr_recieve_delay_time (200) #define yr_send_size (128) unsigned char ID_CHECK_NUM[] = {0xAA,0x05,0x01,0xB5,0x00,0x00,0x65,0xEB,0xAA,0x0D}; unsigned char ID_FPGA_NUM[] = {0x55,0x04,0xB5,0x33,0x01,0x42,0xEB,0xAA}; //char ID_CHECK_NUM[] = {0x01,0x02,0x03,0x0d,0x24,0x56}; MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) , ui(new Ui::MainWindow) { ui->setupUi(this); //user system_init(); } MainWindow::~MainWindow() { delete ui; } void MainWindow::system_init() { //port config global_port.setParity(QSerialPort::NoParity); global_port.setDataBits(QSerialPort::Data8); global_port.setStopBits(QSerialPort::OneStop); connect(&global_port,SIGNAL(readyRead()),this,SLOT(receiveInfo())); //combox ui->comboBox->clear(); QStringList list; foreach(const QSerialPortInfo &info, QSerialPortInfo::availablePorts()) list << info.portName(); qSort(list.begin(),list.end()); ui->comboBox->addItems(list); //timer m_pTimer = new QTimer(); m2_pTimer = new QTimer(); connect(m_pTimer, SIGNAL(timeout()), this, SLOT(onTimeout())); connect(m2_pTimer, SIGNAL(timeout()), this, SLOT(onTime2out())); //Firmware_size Firmware_size = 0; Firmware_send_size = 0; } //================================================================================================ void MainWindow::on_pushButton_2_clicked() //串口刷新按键 { ui->comboBox->clear(); QStringList list; foreach(const QSerialPortInfo &info, QSerialPortInfo::availablePorts()) list << info.portName(); qSort(list.begin(),list.end()); ui->comboBox->addItems(list); ui->label_3->setText("串口搜索完成"); } void MainWindow::on_pushButton_clicked() //串口开关 { if(global_port.isOpen())//如果串口已经打开了 先给他关闭了 { global_port.clear(); global_port.close(); ui->pushButton->setText("打开"); ui->label_3->setText("关闭成功!"); ui->comboBox->setEnabled(true); ui->pushButton_2->setEnabled(true); }else{ global_port.setPortName(ui->comboBox->currentText()); if(!global_port.open(QIODevice::ReadWrite)){//用ReadWrite 的模式尝试打开串口 ui->label_3->setText("打开失败!"); return; } global_port.setBaudRate(QSerialPort::Baud115200,QSerialPort::AllDirections);//设置波特率和读写方向 global_port.setDataBits(QSerialPort::Data8); //数据位为8位 global_port.setFlowControl(QSerialPort::NoFlowControl);//无流控制 global_port.setParity(QSerialPort::NoParity); //无校验位 global_port.setStopBits(QSerialPort::OneStop); //一位停止位 ui->pushButton->setText("关闭"); ui->label_3->setText("打开成功!"); ui->comboBox->setEnabled(false); ui->pushButton_2->setEnabled(false); } } //================================================================================================ void MainWindow::on_toolButton_clicked() //打开文件按键 { QString Firmware_fileName = QFileDialog::getOpenFileName(this, tr("打开"), " ", tr("Allfile(*.*);;mp3file(*.mp3)")); ui->lineEdit->setText(Firmware_fileName); QFile file(ui->lineEdit->text()); if(file.exists()){ QFileInfo info(ui->lineEdit->text()); ui->label_3->setText("添加了"+info.fileName()+"文件 大小："+ QString::number(Firmware_size/1024)+"k"); } } void MainWindow::on_pushButton_3_clicked() //下载按键 { QFile file(ui->lineEdit->text()); if (!file.open(QIODevice::ReadOnly)) { QMessageBox::critical(nullptr, "提示", "请输入正确的文件路径! "); return; } QFileInfo info(ui->lineEdit->text()); Firmware_size = ((info.size()/128)+1)*128; ui->progressBar->setMaximum(Firmware_size); //==========crc check QDataStream BinFileData(&file); char *pBuff = new char[Firmware_size]; memset(pBuff,0,Firmware_size); BinFileData.readRawData(pBuff,static_cast<int>(info.size())); Firmware_crc = crc_wu(pBuff,Firmware_size,0); ui->plainTextEdit->clear(); ui->plainTextEdit->appendPlainText(QString::number(Firmware_size,16)); ui->plainTextEdit->appendPlainText(QString::number(Firmware_crc,16)); //===== if(global_port.isOpen()){ QByteArray data((char *)ID_CHECK_NUM,sizeof(ID_CHECK_NUM)); QByteArray data_Firmware_size = intToByte(Firmware_size); QByteArray data_crc = intToByte(Firmware_crc); data.append(data_Firmware_size); data.append(data_crc); qDebug() << data.toHex(); global_port.write(data); Firmware_send_size = 0; ui->pushButton_3->setEnabled(false); ui->pushButton_3->setText("下载中"); m2_pTimer->start(yr_recieve_delay_time); }else{ QMessageBox::critical(nullptr, "提示", "请先打开串口! "); } file.close(); } //==========================================================================================================发送控制部分 void MainWindow::onTime2out(){ //发送定时 ui->progressBar->setValue(0); ui->label_3->setText("文件下载出错！"); Firmware_send_size = 0; ui->pushButton_3->setEnabled(true); ui->pushButton_3->setText("重新下载"); m2_pTimer->stop(); } int MainWindow::send_file(){ //发送函数 QFile file(ui->lineEdit->text()); char buffer[yr_send_size] = {0}; if (!file.open(QIODevice::ReadOnly)) { return -1; } //QFileInfo read_file_info(file); QDataStream in(&file); in.skipRawData(Firmware_send_size); in.setByteOrder(QDataStream::BigEndian); in.readRawData(buffer,yr_send_size); QByteArray DataAllArray; DataAllArray = QByteArray(buffer,yr_send_size); global_port.write(DataAllArray,yr_send_size); file.close(); m2_pTimer->stop(); m2_pTimer->start(yr_recieve_delay_time); return 1; } //==========================================================================================================接收控制部分 void MainWindow::onTimeout(){ //接收定时 QByteArray hexData = readbyte.toHex(); if(readbyte.size() == 1) return; qDebug() << readbyte.size(); ui->plainTextEdit->appendPlainText("------------------------"); if(ui->radioButton->isChecked()) ui->plainTextEdit->appendPlainText(hexData); else ui->plainTextEdit->appendPlainText(readbyte); //================检测fpga透传ack，检测开始下载 if(Firmware_send_size == 0){ if(readbyte.contains((char *)ID_FPGA_NUM)){ QByteArray data((char *)ID_CHECK_NUM,sizeof(ID_CHECK_NUM)); QByteArray data_Firmware_size = intToByte(Firmware_size); QByteArray data_crc = intToByte(Firmware_crc); data.append(data_Firmware_size); data.append(data_crc); qDebug() << data.toHex(); global_port.write(data); m2_pTimer->stop(); m2_pTimer->start(yr_recieve_delay_time); readbyte.clear(); m_pTimer->stop(); return; }else if(readbyte.contains((char *)ID_CHECK_NUM)){ ui->label_3->setText("建立连接，正在下载..."); }else{ readbyte.clear(); m_pT