Qt 5的USB插拔监控方法和CH341T iic模式的DLL加载

#include "mainwindow.h" #include "ui_mainwindow.h" #include "global.h" #include "CH341DLL.H" int iEvent =USB_IIC_DEV_UNKNOW; void CALLBACK CH341_NOTIFY_ROUTINE(ULONG iEventStatus) // IIC设备事件通知回调程序 { iEvent = static_cast<int>(iEventStatus); } MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); IIC_mIndex=0; setWindowFlags(Qt::FramelessWindowHint); QFile file(":/res/mySheetStyle.qss"); file.open(QFile::ReadOnly); QTextStream filetext(&file); QString stylesheet = filetext.readAll(); this->setStyleSheet(stylesheet); file.close(); CH341SetDeviceNotify(IIC_mIndex, reinterpret_cast<char*>(NULL), CH341_NOTIFY_ROUTINE); //IIC注册监视通知 if (CH341OpenDevice(IIC_mIndex) == INVALID_HANDLE_VALUE) { ui->USB_STA->setText(S_IIC_OUT); ui->USB_STA->setStyleSheet("background-color:gray"); } else { ui->USB_STA->setText(S_IIC_INTO); ui->USB_STA->setStyleSheet("background-color:green"); } timer_USB_Bru = new QTimer(); connect(timer_USB_Bru,&QTimer::timeout,this, &MainWindow::timer_USB_STA_Bru_TimeOut); // 刷新IIC 状态 timer_USB_Bru->setInterval(200); timer_USB_Bru->start(); // //** 其他USB设备监控 检测TTL电平 // m_usb_listener = new usb_listener; // qApp->installNativeEventFilter(m_usb_listener); // connect(m_usb_listener, &usb_listener::DevicePlugIn, [=](){ // //do something... // ui->USB_STA->setText("其他USB已连接"); // }); // connect(m_usb_listener, &usb_listener::DevicePlugOut, [=](){ // //do something... // ui->USB_STA->setText("USB退出"); // }); // connect(&IIC_thread, &ch341Thread::response, this, &MainWindow::showResponse); // connect(&IIC_thread, &ch341Thread::error, this, &MainWindow::processError); // connect(&IIC_thread, &ch341Thread::timeout, this, &MainWindow::processTimeout); // connect(&IIC_thread, &ch341Thread::IIC_Sta, this, &MainWindow::IIC_Sta); } MainWindow::~MainWindow() { timer_USB_Bru->stop(); delete ui; } void MainWindow::paintEvent(QPaintEvent *) { // QPainter painter(this); // painter.drawPixmap(m_pixmapBg.rect(), m_pixmapBg); } void MainWindow::mouseMoveEvent(QMouseEvent *e) { this->move(e->globalPos() - m_pointStart); } void MainWindow::mousePressEvent(QMouseEvent *e) { m_pointPress = e->globalPos(); m_pointStart = m_pointPress - this->pos(); } void MainWindow::setNomalStyle() { QFile styleSheet(":/res/qss/style_360.qss"); if (!styleSheet.open(QIODevice::ReadOnly)) { qWarning("Can't open the style sheet file."); return; } qApp->setStyleSheet(styleSheet.readAll()); } void MainWindow::initData() { } void MainWindow::timer_USB_STA_Bru_TimeOut() { if(iEvent==USB_IIC_DEV_INTO) { ui->USB_STA->setText(S_IIC_INTO); ui->USB_STA->setStyleSheet("background-color:green"); } else if(iEvent==USB_IIC_DEV_OUT) { ui->USB_STA->setText(S_IIC_OUT); ui->USB_STA->setStyleSheet("background-color:gray"); } } void MainWindow::showResponse(const QString &s) { ui->USB_STA->setText(s); } void MainWindow::processError(const QString &s) { } void MainWindow::processTimeout(const QString &s) { } void MainWindow::IIC_Sta(const QString &s) { ui->USB_STA->setText(s); } void MainWindow::on_btn_IIC_Start_clicked() { if(ui->btn_IIC_Start->text()=="start") { ui->btn_IIC_Start->setText("stop"); if(!m_workthread.isRunning()) m_workthread.start(); } else { if(m_workthread.isRunning()) m_workthread.stop(); ui->btn_IIC_Start->setText("start"); } } void MainWindow::on_btn_Brush_clicked() { QString siEventStatus = QString::number(iEvent,10); ui->USB_STA->setText(siEventStatus); }