(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
1 extern "C" 2 { 3 #include <hidsdi.h> 4 #include <SetupAPI.h> 5 }
Dialog head file
1 // CUsbHidDlg dialog 2 class CUsbHidDlg : public CDialogEx 3 { 4 // Construction 5 public: 6 CUsbHidDlg(CWnd* pParent = NULL); // standard constructor 7 8 // Dialog Data 9 enum { IDD = IDD_USBHID_DIALOG }; 10 11 protected: 12 virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support 13 public: 14 GUID HidGuid; 15 HDEVINFO DevInfo; 16 HIDD_ATTRIBUTES DevAttributes; 17 SP_DEVICE_INTERFACE_DATA DevData; 18 PSP_DEVICE_INTERFACE_DETAIL_DATA DevDetail; 19 PHIDP_PREPARSED_DATA PreparsedData; 20 HIDP_CAPS Capabilities; 21 ULONG Length; 22 int Index; 23 BOOL ok; 24 HANDLE DevHandle; 25 HANDLE RdHandle; 26 int DevCount = 0; 27 28 CEdit m_VID; 29 CEdit m_PID; 30 CEdit m_OutID; 31 CEdit m_InID; 32 33 // Implementation 34 protected: 35 HICON m_hIcon; 36 37 // Generated message map functions 38 virtual BOOL OnInitDialog(); 39 afx_msg void OnSysCommand(UINT nID, LPARAM lParam); 40 afx_msg void OnPaint(); 41 afx_msg HCURSOR OnQueryDragIcon(); 42 DECLARE_MESSAGE_MAP() 43 public: 44 afx_msg void OnBnClickedOk(); 45 46 public: 47 BOOL FindHID(); 48 BOOL DeviceWriteFile(); 49 BOOL DeviceReadFile(); 50 BOOL OutReport(); 51 BOOL InReport(); 52 afx_msg void OnBnClickedWritefile(); 53 afx_msg void OnBnClickedReadfile(); 54 afx_msg void OnBnClickedGetreport(); 55 afx_msg void OnBnClickedSetreport(); 56 };
FindHid
1 uint16_t UVID; 2 uint16_t UPID; 3 4 BOOL bSuccess; 5 CString buf; 6 int index = -1; 7 CloseHandle(DevHandle); 8 DevHandle = INVALID_HANDLE_VALUE; 9 HidD_GetHidGuid(&HidGuid); 10 11 wchar_t * wbuf = NULL; 12 byte ReportID; 13 GetDlgItemTextW(IDC_VID, buf); 14 UVID = wcstol(buf, &wbuf, 16); 15 GetDlgItemTextW(IDC_PID, buf); 16 UPID = wcstol(buf, &wbuf, 16); 17 18 buf.Format(_T("%08x-%04x-%04x-%02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x\r\n"), 19 HidGuid.Data1, HidGuid.Data2, HidGuid.Data3, 20 HidGuid.Data4[0], 21 HidGuid.Data4[1], 22 HidGuid.Data4[2], 23 HidGuid.Data4[3], 24 HidGuid.Data4[4], 25 HidGuid.Data4[5], 26 HidGuid.Data4[6], 27 HidGuid.Data4[7]); 28 SetDlgItemText(IDC_INFO, buf.MakeUpper()); 29 ULONG predictedLength = 0; 30 ULONG requiredLength = 0; 31 32 DevInfo = SetupDiGetClassDevs(&HidGuid, NULL, NULL, (DIGCF_PRESENT | DIGCF_DEVICEINTERFACE)); 33 DevDetail = NULL; 34 DevData.cbSize = sizeof(SP_INTERFACE_DEVICE_DATA); 35 36 for (int i = 0; i < 128; i++) 37 { 38 bSuccess = SetupDiEnumDeviceInterfaces(DevInfo, 0, &HidGuid, i, &DevData); 39 40 if (!bSuccess) continue; 41 bSuccess = SetupDiGetDeviceInterfaceDetail(DevInfo, &DevData, NULL, 0, &predictedLength, NULL); 42 DevDetail = (PSP_DEVICE_INTERFACE_DETAIL_DATA)malloc(predictedLength); 43 DevDetail->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA); 44 bSuccess = SetupDiGetDeviceInterfaceDetail(DevInfo, &DevData, DevDetail, predictedLength, &requiredLength, NULL); 45 if (!bSuccess) 46 { 47 free(DevDetail); 48 DevDetail = NULL; 49 continue; 50 } 51 // origianl 52 DevHandle = CreateFile(DevDetail->DevicePath, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, (LPSECURITY_ATTRIBUTES)NULL, OPEN_EXISTING, 0, NULL); 53 54 if (DevHandle == INVALID_HANDLE_VALUE) 55 { 56 free(DevDetail); 57 DevDetail = NULL; 58 continue; 59 } 60 61 if (DevHandle != INVALID_HANDLE_VALUE) 62 { 63 HidD_GetAttributes(DevHandle, &DevAttributes); 64 65 if (!HidD_GetPreparsedData(DevHandle, &PreparsedData)) 66 { 67 CloseHandle(DevHandle); 68 return 0; 69 } 70 71 if (!HidP_GetCaps(PreparsedData, &Capabilities)) 72 { 73 CloseHandle(DevHandle); 74 return 0; 75 } 76 77 78 //if (DevAttributes.VendorID == V_ID && DevAttributes.ProductID == P_ID) 79 if (DevAttributes.VendorID == UVID && DevAttributes.ProductID == UPID) 80 { 81 bSuccess = true; 82 CString str; 83 GetDlgItemTextW(IDC_INFO, str); 84 buf.Format(_T("Find specified Usb Hid device.\r\nVID = 0x%x, PID = 0x%x\r\n"), DevAttributes.VendorID, DevAttributes.ProductID); 85 str += buf; 86 SetDlgItemTextW(IDC_INFO, str); 87 break; 88 } 89 else 90 { 91 CloseHandle(DevHandle); 92 DevHandle = INVALID_HANDLE_VALUE; 93 } 94 } 95 96 } 97 98 SetupDiDestroyDeviceInfoList(DevInfo); 99 return bSuccess;
WriteFile
1 BOOL CUsbHidDlg::DeviceWriteFile() 2 { 3 CString buf; 4 CString temp; 5 BOOL bRet; 6 byte buffer[8] = { 0 }; 7 UINT len = 8; 8 DWORD dRet; 9 int ErrorCode; 10 11 wchar_t * wbuf = NULL; 12 byte ReportID; 13 GetDlgItemTextW(IDC_OUTID, buf); 14 ReportID = wcstol(buf, &wbuf, 16); 15 16 //ReportID = _ttoi(buf); Cstring to int 17 buffer[0] = ReportID; /* Out Report ID */ 18 19 /* ok */ 20 bRet = WriteFile(DevHandle, buffer, len, &dRet, NULL); 21 22 ErrorCode = GetLastError(); 23 24 if (bRet){ 25 buf.Format(_T("WriteFile Successful, check LED 3 !! \r\n")); 26 temp = buf; 27 SetDlgItemTextW(IDC_INFO, temp); 28 } 29 else{ 30 buf.Format(_T("WriteFile Fail !!!\r\n")); 31 temp = buf; 32 SetDlgItemTextW(IDC_INFO, temp); 33 } 34 35 CString strMsg; 36 LPVOID lpMsgBuf; 37 FormatMessage( 38 FORMAT_MESSAGE_ALLOCATE_BUFFER | 39 FORMAT_MESSAGE_FROM_SYSTEM | 40 FORMAT_MESSAGE_IGNORE_INSERTS, 41 NULL, 42 ErrorCode, 43 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), 44 (LPTSTR)&lpMsgBuf, 45 0, 46 NULL); 47 strMsg.Format(_T("\r\n錯誤訊息：%s\n錯誤代碼：0x%x\r\n"), lpMsgBuf, GetLastError()); 48 buf += strMsg; 49 SetDlgItemTextW(IDC_INFO, buf); 50 LocalFree(lpMsgBuf); // 記得 free 掉空間 51 return bRet; 52 }
ReadFile
1 BOOL CUsbHidDlg::DeviceReadFile() 2 { 3 CString temp, buf; 4 BOOL bRet; 5 byte buffer[8] = { 0 }; 6 UINT len = 8; 7 DWORD dRet = 0; 8 buffer[0] = 0x01; 9 10 wchar_t * wbuf = NULL; 11 byte ReportID; 12 GetDlgItemTextW(IDC_INID, buf); 13 ReportID = wcstol(buf, &wbuf, 16); 14 15 16 buffer[0] = ReportID; /* Out Report ID */ 17 //buffer[1] = 0x02; 18 //WriteFile(DevHandle, buffer, 8, &dRet, NULL); 19 20 bRet = ReadFile(DevHandle, &buffer[0], 8, &dRet, NULL); 21 int ErrorCode = GetLastError(); 22 23 if (bRet){ 24 buf.Format(_T("ReadFile Successful, check LED 4 !!! \r\nReadFile data = ")); 25 temp = buf; 26 27 for (int i = 0; i < 8; i++){ 28 buf.Format(_T("%.2x "), buffer[i]); 29 temp += buf; 30 } 31 temp += _T(".\r\n"); 32 33 SetDlgItemTextW(IDC_INFO, temp); 34 } 35 else 36 { 37 temp.Format(_T("ReadFile Fail !!!\r\n")); 38 SetDlgItemTextW(IDC_INFO, temp); 39 } 40 41 CString strMsg; 42 LPVOID lpMsgBuf; 43 FormatMessage( 44 FORMAT_MESSAGE_ALLOCATE_BUFFER | 45 FORMAT_MESSAGE_FROM_SYSTEM | 46 FORMAT_MESSAGE_IGNORE_INSERTS, 47 NULL, 48 ErrorCode, 49 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), 50 (LPTSTR)&lpMsgBuf, 51 0, 52 NULL); 53 strMsg.Format(_T("\r\n錯誤訊息：%s\n錯誤代碼：0x%x\r\n"), lpMsgBuf, GetLastError()); 54 temp += strMsg; 55 SetDlgItemTextW(IDC_INFO, temp); 56 LocalFree(lpMsgBuf); // 記得 free 掉空間 57 58 59 return bRet; 60 }
OutReport
1 BOOL CUsbHidDlg::OutReport() 2 { 3 BOOL bRet; 4 CString buf; 5 CString temp; 6 byte buffer[8] = { 0 }; 7 8 UINT len = 8; 9 DWORD dRet; 10 11 wchar_t * wbuf = NULL; 12 byte ReportID; 13 GetDlgItemTextW(IDC_OUTID, buf); 14 ReportID = wcstol(buf, &wbuf, 16); 15 16 buffer[0] = ReportID; /* Out Report ID*/ 17 buffer[1] = 0x02; 18 /* ok */ 19 bRet = HidD_SetOutputReport(DevHandle, buffer, len); 20 21 if (bRet){ 22 buf.Format(_T("Send Out Report Successful, check LED 5 !!! \r\n")); 23 temp = buf; 24 SetDlgItemTextW(IDC_INFO, temp); 25 } 26 else{ 27 buf.Format(_T("Send Out Report Fail !!!\r\n")); 28 temp = buf; 29 SetDlgItemTextW(IDC_INFO, temp); 30 } 31 32 /* error message print */ 33 CString strMsg; 34 LPVOID lpMsgBuf; 35 FormatMessage( 36 FORMAT_MESSAGE_ALLOCATE_BUFFER | 37 FORMAT_MESSAGE_FROM_SYSTEM | 38 FORMAT_MESSAGE_IGNORE_INSERTS, 39 NULL, 40 GetLastError(), 41 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), 42 (LPTSTR)&lpMsgBuf, 43 0, 44 NULL); 45 strMsg.Format(_T("\r\n錯誤訊息：%s\n錯誤代碼：0x%x\r\n"), lpMsgBuf, GetLastError()); 46 buf += strMsg; 47 SetDlgItemTextW(IDC_INFO, buf); 48 LocalFree(lpMsgBuf); // 記得 free 掉空間 49 /* error message print */ 50 51 return bRet; 52 }
InReprot
1 BOOL CUsbHidDlg::InReport() 2 { 3 BOOL bRet; 4 CString temp, buf; 5 byte buffer[8] = { 0 }; 6 DWORD dRet; 7 UINT len = 8; 8 9 wchar_t * wbuf = NULL; 10 byte ReportID; 11 GetDlgItemTextW(IDC_INID, buf); 12 ReportID = wcstol(buf, &wbuf, 16); 13 14 buffer[0] = ReportID; /* IN Report ID*/ 15 16 /* ok */ 17 bRet = HidD_GetInputReport(DevHandle, buffer, len); 18 if (bRet){ 19 buf.Format(_T("Get In Report Successful, check LED 6 !!! \r\n")); 20 temp = buf; 21 SetDlgItemTextW(IDC_INFO, temp); 22 } 23 else 24 { 25 buf.Format(_T("Get In Report Fail !!! \r\n")); 26 temp = buf; 27 SetDlgItemTextW(IDC_INFO, temp); 28 } 29 30 /* error message print */ 31 CString strMsg; 32 LPVOID lpMsgBuf; 33 FormatMessage( 34 FORMAT_MESSAGE_ALLOCATE_BUFFER | 35 FORMAT_MESSAGE_FROM_SYSTEM | 36 FORMAT_MESSAGE_IGNORE_INSERTS, 37 NULL, 38 GetLastError(), 39 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), 40 (LPTSTR)&lpMsgBuf, 41 0, 42 NULL); 43 strMsg.Format(_T("\r\n錯誤訊息：%s\n錯誤代碼：0x%x\r\n"), lpMsgBuf, GetLastError()); 44 buf += strMsg; 45 SetDlgItemTextW(IDC_INFO, buf); 46 LocalFree(lpMsgBuf); // 記得 free 掉空間 47 /* error message print */ 48 return bRet; 49 }
