(USB HID) VC++ 使用 SetupAPI 操作 USB HID Device

在VC裡頭使用 Api必須include 跟加入 lib，加入之後就可以在VC裡頭任意使用api了

暫時先貼上程式碼...等待有空時候在更新說明

 extern "C"
 {
 #include <hidsdi.h>
 #include <SetupAPI.h>
 }

Dialog head file

 // CUsbHidDlg dialog
 class CUsbHidDlg : public CDialogEx
 {
 // Construction
 public:
     CUsbHidDlg(CWnd* pParent = NULL);    // standard constructor

 // Dialog Data
     enum { IDD = IDD_USBHID_DIALOG };

     protected:
     virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
 public:
     GUID                            HidGuid;
     HDEVINFO                        DevInfo;
     HIDD_ATTRIBUTES                    DevAttributes;
     SP_DEVICE_INTERFACE_DATA        DevData;
     PSP_DEVICE_INTERFACE_DETAIL_DATA DevDetail;
     PHIDP_PREPARSED_DATA            PreparsedData;
     HIDP_CAPS                        Capabilities;
     ULONG                           Length;
     int                             Index;
     BOOL                            ok;
     HANDLE                            DevHandle;
     HANDLE                            RdHandle;
     int                                DevCount = ;

     CEdit    m_VID;
     CEdit    m_PID;
     CEdit    m_OutID;
     CEdit    m_InID;

 // Implementation
 protected:
     HICON m_hIcon;

     // Generated message map functions
     virtual BOOL OnInitDialog();
     afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
     afx_msg void OnPaint();
     afx_msg HCURSOR OnQueryDragIcon();
     DECLARE_MESSAGE_MAP()
 public:
     afx_msg void OnBnClickedOk();

 public:
     BOOL FindHID();
     BOOL DeviceWriteFile();
     BOOL DeviceReadFile();
     BOOL OutReport();
     BOOL InReport();
     afx_msg void OnBnClickedWritefile();
     afx_msg void OnBnClickedReadfile();
     afx_msg void OnBnClickedGetreport();
     afx_msg void OnBnClickedSetreport();
 };

FindHid

     uint16_t UVID;
     uint16_t UPID;

     BOOL bSuccess;
     CString buf;
     int    index = -;
     CloseHandle(DevHandle);
     DevHandle = INVALID_HANDLE_VALUE;
     HidD_GetHidGuid(&HidGuid);

     wchar_t * wbuf = NULL;
     byte ReportID;
     GetDlgItemTextW(IDC_VID, buf);
     UVID = wcstol(buf, &wbuf, );
     GetDlgItemTextW(IDC_PID, buf);
     UPID = wcstol(buf, &wbuf, );

     buf.Format(_T("%08x-%04x-%04x-%02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x\r\n"),
                 HidGuid.Data1, HidGuid.Data2, HidGuid.Data3,
                 HidGuid.Data4[],
                 HidGuid.Data4[],
                 HidGuid.Data4[],
                 HidGuid.Data4[],
                 HidGuid.Data4[],
                 HidGuid.Data4[],
                 HidGuid.Data4[],
                 HidGuid.Data4[]);
     SetDlgItemText(IDC_INFO, buf.MakeUpper());
     ULONG predictedLength = ;
     ULONG requiredLength = ;

     DevInfo = SetupDiGetClassDevs(&HidGuid, NULL, NULL, (DIGCF_PRESENT | DIGCF_DEVICEINTERFACE));
     DevDetail = NULL;
     DevData.cbSize = sizeof(SP_INTERFACE_DEVICE_DATA);

     for (int i = ; i < ; i++)
     {
         bSuccess = SetupDiEnumDeviceInterfaces(DevInfo, , &HidGuid, i, &DevData);

         if (!bSuccess) continue;
         bSuccess = SetupDiGetDeviceInterfaceDetail(DevInfo, &DevData, NULL, , &predictedLength, NULL);
         DevDetail = (PSP_DEVICE_INTERFACE_DETAIL_DATA)malloc(predictedLength);
         DevDetail->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
         bSuccess = SetupDiGetDeviceInterfaceDetail(DevInfo, &DevData, DevDetail, predictedLength, &requiredLength, NULL);
         if (!bSuccess)
         {
             free(DevDetail);
             DevDetail = NULL;
             continue;
         }
         // origianl
         DevHandle = CreateFile(DevDetail->DevicePath, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, (LPSECURITY_ATTRIBUTES)NULL, OPEN_EXISTING, , NULL);

         if (DevHandle == INVALID_HANDLE_VALUE)
         {
             free(DevDetail);
             DevDetail = NULL;
             continue;
         }

         if (DevHandle != INVALID_HANDLE_VALUE)
         {
             HidD_GetAttributes(DevHandle, &DevAttributes);

             if (!HidD_GetPreparsedData(DevHandle, &PreparsedData))
             {
                 CloseHandle(DevHandle);
                 return ;
             }

             if (!HidP_GetCaps(PreparsedData, &Capabilities))
             {
                 CloseHandle(DevHandle);
                 return ;
             }

             //if (DevAttributes.VendorID == V_ID && DevAttributes.ProductID == P_ID)
             if (DevAttributes.VendorID == UVID && DevAttributes.ProductID == UPID)
             {
                 bSuccess = true;
                 CString str;
                 GetDlgItemTextW(IDC_INFO, str);
                 buf.Format(_T("Find specified Usb Hid device.\r\nVID = 0x%x, PID = 0x%x\r\n"), DevAttributes.VendorID, DevAttributes.ProductID);
                 str += buf;
                 SetDlgItemTextW(IDC_INFO, str);
                 break;
             }
             else
             {
                 CloseHandle(DevHandle);
                 DevHandle = INVALID_HANDLE_VALUE;
             }
         }

     }

     SetupDiDestroyDeviceInfoList(DevInfo);
     return bSuccess;

WriteFile

 BOOL CUsbHidDlg::DeviceWriteFile()
 {
     CString buf;
     CString temp;
     BOOL bRet;
     byte buffer[] = {  };
     UINT len = ;
     DWORD dRet;
     int ErrorCode;

     wchar_t * wbuf = NULL;
     byte ReportID;
     GetDlgItemTextW(IDC_OUTID, buf);
     ReportID = wcstol(buf, &wbuf, );

     //ReportID = _ttoi(buf); Cstring to int
     buffer[] = ReportID; /* Out Report ID */

     /* ok */
     bRet = WriteFile(DevHandle, buffer, len, &dRet, NULL);

     ErrorCode = GetLastError();

     if (bRet){
         buf.Format(_T("WriteFile Successful, check LED 3 !! \r\n"));
         temp = buf;
         SetDlgItemTextW(IDC_INFO, temp);
     }
     else{
         buf.Format(_T("WriteFile Fail !!!\r\n"));
         temp = buf;
         SetDlgItemTextW(IDC_INFO, temp);
     }

     CString strMsg;
     LPVOID lpMsgBuf;
     FormatMessage(
         FORMAT_MESSAGE_ALLOCATE_BUFFER |
         FORMAT_MESSAGE_FROM_SYSTEM |
         FORMAT_MESSAGE_IGNORE_INSERTS,
         NULL,
         ErrorCode,
         MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
         (LPTSTR)&lpMsgBuf,
         ,
         NULL);
     strMsg.Format(_T("\r\n錯誤訊息：%s\n錯誤代碼：0x%x\r\n"), lpMsgBuf, GetLastError());
     buf += strMsg;
     SetDlgItemTextW(IDC_INFO, buf);
     LocalFree(lpMsgBuf); // 記得 free 掉空間
     return bRet;
 }

ReadFile

 BOOL CUsbHidDlg::DeviceReadFile()
 {
     CString temp, buf;
     BOOL bRet;
     byte buffer[] = {  };
     UINT len = ;
     DWORD dRet = ;
     buffer[] = 0x01;

     wchar_t * wbuf = NULL;
     byte ReportID;
     GetDlgItemTextW(IDC_INID, buf);
     ReportID = wcstol(buf, &wbuf, );

     buffer[] = ReportID; /* Out Report ID */
     //buffer[1] = 0x02;
     //WriteFile(DevHandle, buffer, 8, &dRet, NULL);

     bRet = ReadFile(DevHandle, &buffer[], , &dRet, NULL);
     int ErrorCode = GetLastError();

     if (bRet){
         buf.Format(_T("ReadFile Successful, check LED 4 !!! \r\nReadFile data = "));
         temp = buf;

         for (int i = ; i < ; i++){
             buf.Format(_T("%.2x "), buffer[i]);
             temp += buf;
         }
         temp += _T(".\r\n");

         SetDlgItemTextW(IDC_INFO, temp);
     }
     else
     {
         temp.Format(_T("ReadFile Fail !!!\r\n"));
         SetDlgItemTextW(IDC_INFO, temp);
     }

     CString strMsg;
     LPVOID lpMsgBuf;
     FormatMessage(
         FORMAT_MESSAGE_ALLOCATE_BUFFER |
         FORMAT_MESSAGE_FROM_SYSTEM |
         FORMAT_MESSAGE_IGNORE_INSERTS,
         NULL,
         ErrorCode,
         MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
         (LPTSTR)&lpMsgBuf,
         ,
         NULL);
     strMsg.Format(_T("\r\n錯誤訊息：%s\n錯誤代碼：0x%x\r\n"), lpMsgBuf, GetLastError());
     temp += strMsg;
     SetDlgItemTextW(IDC_INFO, temp);
     LocalFree(lpMsgBuf); // 記得 free 掉空間

     return bRet;
 }

OutReport

 BOOL CUsbHidDlg::OutReport()
 {
     BOOL bRet;
     CString buf;
     CString temp;
     byte buffer[] = {  };

     UINT len = ;
     DWORD dRet;

     wchar_t * wbuf = NULL;
     byte ReportID;
     GetDlgItemTextW(IDC_OUTID, buf);
     ReportID = wcstol(buf, &wbuf, );

     buffer[] = ReportID; /* Out Report ID*/
     buffer[] = 0x02;
     /* ok */
     bRet = HidD_SetOutputReport(DevHandle, buffer, len);

     if (bRet){
         buf.Format(_T("Send Out Report Successful, check LED 5 !!! \r\n"));
         temp = buf;
         SetDlgItemTextW(IDC_INFO, temp);
     }
     else{
         buf.Format(_T("Send Out Report Fail !!!\r\n"));
         temp = buf;
         SetDlgItemTextW(IDC_INFO, temp);
     }

     /* error message print */
     CString strMsg;
     LPVOID lpMsgBuf;
     FormatMessage(
         FORMAT_MESSAGE_ALLOCATE_BUFFER |
         FORMAT_MESSAGE_FROM_SYSTEM |
         FORMAT_MESSAGE_IGNORE_INSERTS,
         NULL,
         GetLastError(),
         MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
         (LPTSTR)&lpMsgBuf,
         ,
         NULL);
     strMsg.Format(_T("\r\n錯誤訊息：%s\n錯誤代碼：0x%x\r\n"), lpMsgBuf, GetLastError());
     buf += strMsg;
     SetDlgItemTextW(IDC_INFO, buf);
     LocalFree(lpMsgBuf); // 記得 free 掉空間
     /* error message print */

     return bRet;
 }

InReprot

 BOOL CUsbHidDlg::InReport()
 {
     BOOL bRet;
     CString temp, buf;
     byte buffer[] = {  };
     DWORD dRet;
     UINT len = ;

     wchar_t * wbuf = NULL;
     byte ReportID;
     GetDlgItemTextW(IDC_INID, buf);
     ReportID = wcstol(buf, &wbuf, );

     buffer[] = ReportID; /* IN Report ID*/

     /* ok */
     bRet = HidD_GetInputReport(DevHandle, buffer, len);
     if (bRet){
         buf.Format(_T("Get In Report Successful, check LED 6 !!! \r\n"));
         temp = buf;
         SetDlgItemTextW(IDC_INFO, temp);
     }
     else
     {
         buf.Format(_T("Get In Report Fail !!! \r\n"));
         temp = buf;
         SetDlgItemTextW(IDC_INFO, temp);
     }

     /* error message print */
     CString strMsg;
     LPVOID lpMsgBuf;
     FormatMessage(
         FORMAT_MESSAGE_ALLOCATE_BUFFER |
         FORMAT_MESSAGE_FROM_SYSTEM |
         FORMAT_MESSAGE_IGNORE_INSERTS,
         NULL,
         GetLastError(),
         MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
         (LPTSTR)&lpMsgBuf,
         ,
         NULL);
     strMsg.Format(_T("\r\n錯誤訊息：%s\n錯誤代碼：0x%x\r\n"), lpMsgBuf, GetLastError());
     buf += strMsg;
     SetDlgItemTextW(IDC_INFO, buf);
     LocalFree(lpMsgBuf); // 記得 free 掉空間
     /* error message print */
     return bRet;
 }