USB驱动源代码

USB驱动源代码 作者: UserVC // usblistenDlg.cpp : implementation file // #include "stdafx.h" #include "usblisten.h" #include "usblistenDlg.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CAboutDlg dialog used for App About class CAboutDlg : public CDialog { public: CAboutDlg(); // Dialog Data //{{AFX_DATA(CAboutDlg) enum { IDD = IDD_ABOUTBOX }; //}}AFX_DATA // ClassWizard generated virtual function overrides //{{AFX_VIRTUAL(CAboutDlg) protected: virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support //}}AFX_VIRTUAL // Implementation protected: //{{AFX_MSG(CAboutDlg) //}}AFX_MSG DECLARE_MESSAGE_MAP() }; CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) { //{{AFX_DATA_INIT(CAboutDlg) //}}AFX_DATA_INIT } void CAboutDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CAboutDlg) //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) //{{AFX_MSG_MAP(CAboutDlg) // No message handlers //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CUsblistenDlg dialog CUsblistenDlg::CUsblistenDlg(CWnd* pParent /*=NULL*/) : CDialog(CUsblistenDlg::IDD, pParent) { //{{AFX_DATA_INIT(CUsblistenDlg) // NOTE: the ClassWizard will add member initialization here //}}AFX_DATA_INIT // Note that LoadIcon does not require a subsequent DestroyIcon in Win32 m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); } void CUsblistenDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CUsblistenDlg) // NOTE: the ClassWizard will add DDX and DDV calls here //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CUsblistenDlg, CDialog) //{{AFX_MSG_MAP(CUsblistenDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_SEND, OnSend) ON_WM_TIMER() ON_WM_CTLCOLOR() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CUsblistenDlg message handlers BOOL CUsblistenDlg::OnInitDialog() { CDialog::OnInitDialog(); // Add "About..." menu item to system menu. // IDM_ABOUTBOX must be in the system command range. ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ASSERT(IDM_ABOUTBOX < 0xF000); SetTimer(1,3000,NULL); CMenu* pSysMenu = GetSystemMenu(FALSE); if (pSysMenu != NULL) { CString strAboutMenu; strAboutMenu.LoadString(IDS_ABOUTBOX); if (!strAboutMenu.IsEmpty()) { pSysMenu->AppendMenu(MF_SEPARATOR); pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); } } // Set the icon for this dialog. The framework does this automatically // when the application's main window is not a dialog SetIcon(m_hIcon, TRUE); // Set big icon SetIcon(m_hIcon, FALSE); // Set small icon // TODO: Add extra initialization here return TRUE; // return TRUE unless you set the focus to a control } void CUsblistenDlg::OnSysCommand(UINT nID, LPARAM lParam) { if ((nID & 0xFFF0) == IDM_ABOUTBOX) { CAboutDlg dlgAbout; dlgAbout.DoModal(); } else { CDialog::OnSysCommand(nID, lParam); } } // If you add a minimize button to your dialog, you will need the code below // to draw the icon. For MFC applications using the document/view model, // this is automatically done for you by the framework. void CUsblistenDlg::OnPaint() { if (IsIconic()) { CPaintDC dc(this); // device context for painting SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); // Center icon in client rectangle int cxIcon = GetSystemMetrics(SM_CXICON); int cyIcon = GetSystemMetrics(SM_CYICON); CRect rect; GetClientRect(&rect); int x = (rect.Width() - cxIcon + 1) / 2; int y = (rect.Height() - cyIcon + 1) / 2; // Draw the icon dc.DrawIcon(x, y, m_hIcon); } else { CDialog::OnPaint(); } } // The system calls this to obtain the cursor to display while the user drags // the minimized window. HCURSOR CUsblistenDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } //-----------------Initilize USB port--------- unsigned int VendorID,ProductID; char temp_buffer[100]; unsigned char DataBuffer[1],BufferLength; //接收 unsigned char SendDataBuffer[1],SendBufferLength; //发送 int HIDCounter=0; GUID hidGuid; HDEVINFO AllHIDDeviceInfo=NULL; HANDLE HIDDevice=NULL,ReadHIDDevice=NULL; HIDD_ATTRIBUTES Attributes; PSP_DEVICE_INTERFACE_DETAIL_DATA ClassDeviceData; SP_INTERFACE_DEVICE_DATA deviceInfoData; ULONG neededLength,requiredLength; DWORD bytesRead; bool InitUSB() { VendorID = 0x0000; ProductID = 0x0000; // 查找设备 // 本例程使用HID设备的API，它查找HID设备列 表，找出与Vendor ID 和 Product ID匹配的设备 ClassDeviceData =NULL; HIDDevice =NULL; deviceInfoData.cbSize =sizeof(deviceInfoData); // 从操作系统获取HIDs 的GUID HidD_GetHidGuid(&hidGuid); // 获取所有HIDs的设备信息 AllHIDDeviceInfo=SetupDiGetClassDevs(&hidGuid,NULL,NULL, DIGCF_PRESENT|DIGCF_INTERFACEDEVICE); HIDCounter=0; while (TRUE) { // 这个API将发现的设备信息写入 deviceInfoData // HIDCounter 允许这个API重复调用所有HID设备 // 如果API调用返回0,没有更多的HID设备发现 if (!SetupDiEnumDeviceInterfaces(AllHIDDeviceInfo,0,&hidGuid, HIDCounter,&deviceInfoData)) { // 没有发现与Vendor ID 和 Product ID匹配的HID设备 SetupDiDestroyDeviceInfoList(AllHIDDeviceIn fo); return FALSE; } else { // 发现一个HID设备,获取设备的详细信息 // 第一次调用 SetupDiGetDeviceInterfaceDetail得到 ClassDeviceData // 的大小,但返回错误 SetupDiGetDeviceInterfaceDetail(AllHIDDevic eInfo,&deviceInfoData, NULL,0,&requiredLength,NULL); neededLength =requiredLength; ClassDeviceData =(PSP_DEVICE_INTERFACE_DETAIL_DATA)malloc(neededLength); ClassDeviceData->cbSize =sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA); //第二次调用SetupDiGetDeviceInterfaceDetail // 使用 合适的neededLength. if (!SetupDiGetDeviceInterfaceDetail(AllHIDDeviceInfo,&deviceInfoData, ClassDeviceData,neededLength,&requiredLength,NULL)) { free(ClassDeviceData); SetupDiDestroyDeviceInfoList(AllHIDDeviceInfo); return FALSE; } // 建立HID设备的句柄 HIDDevice=CreateFile(ClassDeviceData->DevicePath, GENERIC_READ|GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,OPEN_EXISTING,0,NULL); // 获取 attributes 以便得到Vendor ID 和 Product ID HidD_GetAttributes(HIDDevice,&Attributes); if ((Attributes.VendorID == VendorID) && (Attributes.ProductID == ProductID)) { // 找到了匹配的Vendor ID 和 Product ID的HID 设备 // 建立ReadHIDDevice设备的句柄以便读取信息 ReadHIDDevice=CreateFile(ClassDeviceData->D evicePath, GENERIC_READ|GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE, NULL,OPEN_EXISTING,0,NULL); free(ClassDeviceData); SetupDiDestroyDeviceInfoList(AllHIDDeviceIn fo); //初始化成功 return TRUE; } else { CloseHandle(HIDDevice); } free(ClassDeviceData); HIDCounter = HIDCounter+1; } } } //Read from usb prot,that is listen to usb port ,if it has character,system would display it on user interface bool ReadUSB() { BufferLength=1; memset(DataBuffer,0,1); if(!ReadFile(ReadHIDDevice,DataBuffer,BufferLength,&bytesRead,NULL)) //失败 return false; //读数失败立即返回 else return true; } //Wirte a character or a string to usb port bool WriteUSB() { CString str; SendBufferLength=1; SendDataBuffer[0]=65; str=SendDataBuffer; if (!WriteFile(ReadHIDDevice,SendDataBuffer,Se ndBufferLength,&bytesRead,NULL)) { return false; //失败 } else { AfxMessageBox("Success!"); return true; //成功 } } void CUsblistenDlg::OnCancel() { int button; button=AfxMessageBox("Do you want to exit?",MB_YESNO+MB_ICONWARNING); if(button==IDYES) { KillTimer(1); EndDialog(IDYES); } } //Thread callback function void CUsblistenDlg::OnSend() { // TODO: Add your control notification handler code here SendDataBuffer[0]='C'; WriteUSB(); } void CUsblistenDlg::OnTimer(UINT nIDEvent) { // TODO: Add your message handler code here and/or call default //CString str; //ReadUSB(); //str=DataBuffer; //if(DataBuffer[0]!=0) //{ // CListBox *listbox=(CListBox*)GetDlgItem(IDC_LIST1); // listbox->AddString(str); //} //else //{ // CListBox *listbox=(CListBox*)GetDlgItem(IDC_LIST1); // listbox->AddString("No Charcters is sent to usb port"); //} WriteUSB(); CDialog::OnTimer(nIDEvent); } void CUsblistenDlg::OnOK() { // TODO: Add extra validation here CDialog::OnOK(); } HBRUSH CUsblistenDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) { HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor); UINT uID=pWnd->GetDlgCtrlID(); switch(uID) { case IDC_LIST1: pDC->SetTextColor(RGB(255,255,0)); pDC->SetBkColor(RGB(255,0,0)); break; } // TODO: Change any attributes of the DC here // TODO: Return a different brush if the default is not desired return hbr; }