qt 使用hid开源库 ,搜索所有的hid设备
效果:
cmakeLists.txt :
cmake_minimum_required(VERSION 3.5) project(TF_Hid_UseANDTest VERSION 0.1 LANGUAGES CXX) set(CMAKE_AUTOUIC ON) set(CMAKE_AUTOMOC ON) set(CMAKE_AUTORCC ON) set(CMAKE_CXX_STANDARD 17) set(CMAKE_CXX_STANDARD_REQUIRED ON) file(GLOB include ${CMAKE_CURRENT_SOURCE_DIR}/*.h) file(GLOB source ${CMAKE_CURRENT_SOURCE_DIR}/*.cpp ${CMAKE_CURRENT_SOURCE_DIR}/*.ui) find_package(QT NAMES Qt6 Qt5 REQUIRED COMPONENTS Widgets) find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Widgets) include_directories("${CMAKE_CURRENT_SOURCE_DIR}/include") link_directories("${CMAKE_CURRENT_SOURCE_DIR}/lib") set(PROJECT_SOURCES ${include} ${source} ) if(${QT_VERSION_MAJOR} GREATER_EQUAL 6) qt_add_executable(TF_Hid_UseANDTest MANUAL_FINALIZATION ${PROJECT_SOURCES} ) # Define target properties for Android with Qt 6 as: # set_property(TARGET TF_Hid_UseANDTest APPEND PROPERTY QT_ANDROID_PACKAGE_SOURCE_DIR # ${CMAKE_CURRENT_SOURCE_DIR}/android) # For more information, see https://doc.qt.io/qt-6/qt-add-executable.html#target-creation else() if(ANDROID) add_library(TF_Hid_UseANDTest SHARED ${PROJECT_SOURCES} ) # Define properties for Android with Qt 5 after find_package() calls as: # set(ANDROID_PACKAGE_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/android") else() add_executable(TF_Hid_UseANDTest ${PROJECT_SOURCES} ) endif() endif() target_link_libraries(TF_Hid_UseANDTest PRIVATE Qt${QT_VERSION_MAJOR}::Widgets hidapi) # Qt for iOS sets MACOSX_BUNDLE_GUI_IDENTIFIER automatically since Qt 6.1. # If you are developing for iOS or macOS you should consider setting an # explicit, fixed bundle identifier manually though. if(${QT_VERSION} VERSION_LESS 6.1.0) set(BUNDLE_ID_OPTION MACOSX_BUNDLE_GUI_IDENTIFIER com.example.TF_Hid_UseANDTest) endif() set_target_properties(TF_Hid_UseANDTest PROPERTIES ${BUNDLE_ID_OPTION} MACOSX_BUNDLE_BUNDLE_VERSION ${PROJECT_VERSION} MACOSX_BUNDLE_SHORT_VERSION_STRING ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR} MACOSX_BUNDLE TRUE WIN32_EXECUTABLE TRUE ) include(GNUInstallDirs) install(TARGETS TF_Hid_UseANDTest BUNDLE DESTINATION . LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} ) if(QT_VERSION_MAJOR EQUAL 6) qt_finalize_executable(TF_Hid_UseANDTest) endif()
cpp代码:
#include "mainwindow.h" MainWindow::MainWindow(QWidget *parent) : QWidget(parent) , m_mainLayout(new QVBoxLayout()) , m_hidDeviceGroupHLayout(new QHBoxLayout) , m_hidDeviceGroup(new QGroupBox()) , m_hidDeviceList(new QComboBox(m_hidDeviceGroup)) , m_hidRefreshBt(new QPushButton(m_hidDeviceGroup)) { connect(m_hidRefreshBt, SIGNAL(clicked(bool)),this, SLOT(onRefreshHidDevice())); initLayout(); this->resize(800,800); } void MainWindow::initLayout() { // hid设备组 m_hidDeviceGroupHLayout->addWidget(m_hidDeviceList); m_hidDeviceGroupHLayout->addWidget(m_hidRefreshBt); m_hidDeviceGroup->setLayout(m_hidDeviceGroupHLayout); m_hidDeviceGroup->setTitle("hid设备"); m_hidDeviceList->addItems(QStringList()<<"1"<<"2"<<"3"); m_hidRefreshBt->setText("刷新"); // 主布局 m_mainLayout->addWidget(m_hidDeviceGroup); this->setLayout(m_mainLayout); } // 刷新hid设备 void MainWindow::onRefreshHidDevice() { struct hid_device_info * P_device; // <- 是一个hid设备列表 int m_vid{0}; int m_pid{0}; P_device = hid_enumerate(m_vid, m_pid); if(P_device != nullptr) { recursionAllHidDevice(P_device->next); } } // 递归每个hid设备的信息 void MainWindow::recursionAllHidDevice(hid_device_info * device) { int m_vid{0}; int m_pid{0}; int usage_page{0}; int usage{0}; if(device != nullptr) { m_vid = device->vendor_id; m_pid = device->product_id; usage_page = device->usage_page; usage = device->usage; qDebug("vid = %02X pid = %02X usage_page = %02X usage = %02X", m_vid , m_pid,usage_page,usage); recursionAllHidDevice(device->next); } }
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