第一步：列举所有的HID 设备：m_ctllHIDdevices.ResetContent(); /这是 MFC 里面一个list 控件，用来显示所有的HID 设备的，如果你没有界面，可以不需要此行UpdateData(FALSE); / 更新界面CString temp; int Count = 0; /Total number of devices found DWORD strSize=0,requiredSize=0; BOOL result1,result2; ULONG DeviceInterfaceDetailDataSize; /定义一些变量，以后会用到SP_DEVINFO_DA TA DeviceInfoData; SP_DEVICE_INTERFACE_DATA DeviceInterfaceData; PSP_DEVICE_INTERFACE_DETAIL_DATA DeviceInterfaceDetailData; /PSP_DEVICE_INTERFACE_DETAIL_DATA test; / 第一步：获取deviceID GUID deviceId; HidD_GetHidGuid(&deviceId); / 第二步：获取设备信息HDEVINFO handle; handle = SetupDiGetClassDevs(&deviceId, NULL, NULL, DIGCF_DEVICEINTERFACE | DIGCF_PRESENT); /Get only HID devices / 第三步：对所有的设备进行枚举/SetupDiEnumDeviceInterfaces(); result1=false; /定义一些变量result2=false; CString temp11=; do DeviceInterfaceData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA); result1 = SetupDiEnumDeviceInterfaces( handle, NULL, / IN PSP_DEVINFO_DATA DeviceInfoData, OPTIONAL &deviceId, Count, &DeviceInterfaceData ); / 获得设备详细数据（初步）SetupDiGetDeviceInterfaceDetail(handle, &DeviceInterfaceData, NULL, 0, &strSize, NULL); requiredSize=strSize; DeviceInterfaceDetailData=(PSP_DEVICE_INTERFACE_DETAIL_DATA)malloc(requiredSize); DeviceInterfaceDetailData-cbSize=sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA); DeviceInfoData.cbSize=s 第一步：列举所有的HID 设备：m_ctllHIDdevices.ResetContent(); /这是 MFC 里面一个list 控件，用来显示所有的HID 设备的，如果你没有界面，可以不需要此行UpdateData(FALSE); / 更新界面CString temp; int Count = 0; /Total number of devices found DWORD strSize=0,requiredSize=0; BOOL result1,result2; ULONG DeviceInterfaceDetailDataSize; /定义一些变量，以后会用到SP_DEVINFO_DA TA DeviceInfoData; SP_DEVICE_INTERFACE_DATA DeviceInterfaceData; PSP_DEVICE_INTERFACE_DETAIL_DATA DeviceInterfaceDetailData; /PSP_DEVICE_INTERFACE_DETAIL_DATA test; /第一步：获取deviceID GUID deviceId; HidD_GetHidGuid(&deviceId); /第二步：获取设备信息HDEVINFO handle; handle = SetupDiGetClassDevs(&deviceId, NULL, NULL, DIGCF_DEVICEINTERFACE | DIGCF_PRESENT); /Get only HID devices /第三步：对所有的设备进行枚举/SetupDiEnumDeviceInterfaces(); result1=false; /定义一些变量result2=false; CString temp11=; do DeviceInterfaceData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA); result1 = SetupDiEnumDeviceInterfaces( handle, NULL, / IN PSP_DEVINFO_DATA DeviceInfoData, OPTIONAL &deviceId, Count, &DeviceInterfaceData ); /获得设备详细数据（初步）SetupDiGetDeviceInterfaceDetail(handle, &DeviceInterfaceData, NULL, 0, &strSize, NULL); requiredSize=strSize; DeviceInterfaceDetailData=(PSP_DEVICE_INTERFACE_DETAIL_DATA)malloc(requiredSize); DeviceInterfaceDetailData-cbSize=sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA); DeviceInfoData.cbSize=sizeof(SP_DEVINFO_DATA); /再次获得详细数据result2=SetupDiGetDeviceInterfaceDetail(handle, &DeviceInterfaceData, DeviceInterfaceDetailData, strSize, &requiredSize, &DeviceInfoData); /获得设备路径（最重要的部分）temp=DeviceInterfaceDetailData-DevicePath; UpdateData(FALSE); m_ctllHIDdevices.AddString(temp); Count+; while (result1); UpdateData(false);izeof(SP_DEVINFO_DATA); / 再次获得详细数据result2=SetupDiGetDeviceInterfaceDetail(handle, &DeviceInterfaceData, DeviceInterfaceDetailData, strSize, &requiredSize, &DeviceInfoData); / 获得设备路径（最重要的部分）temp=DeviceInterfaceDetailData-DevicePath; UpdateData(FALSE); m_ctllHIDdevices.AddString(temp); Count+; while (result1); UpdateData(false); 第二步：循环读取HID 设备数据（根据用户提供的HID 的 vendorID 和 productID) ，并且把字节解码成二进制，在MFC 界面上用LED 展示：为了不影响主线程的运行，我把读取数据的操作，放在一个子线程里！每隔50ms 去读取一次数据！首先创建一个线程：HANDLE hThread1; bStopHID=false; / 这个变量，以后用来停止线程UpdateData(true); / 更新界面，获取变量UpdateData(false); hThread1 = CreateThread(NULL,0,Thread_Enable_Read,(LPVOID)this, NULL, NULL); 在线程的程序里：CusbhidDlg *p = ( CusbhidDlg *)pvParam; /获取主窗口的指针，用来调用主窗口的变量和函数p-UpdateData(true); p-bStopHID=false; CString temp; CString DevicePath; temp=; int Count = 0; /Total number of devices found DWORD strSize=0,requiredSize=0; BOOL result1,result2; ULONG DeviceInterfaceDetailDataSize; SP_DEVINFO_DA TA DeviceInfoData; SP_DEVICE_INTERFACE_DATA DeviceInterfaceData; PSP_DEVICE_INTERFACE_DETAIL_DATA DeviceInterfaceDetailData; /PSP_DEVICE_INTERFACE_DETAIL_DATA test; /1 GUID deviceId; HidD_GetHidGuid(&deviceId); int venderID=p-v_eVendorID; / 从窗口里获取用户输入的VendorID int productID=p-v_eProductID;/ 从窗口里获取用户输入的ProductID unsigned char inbuffer2; / 用来存放读取的数据，请在这里定义你自己需要的长度，我每次读一个字节进来unsigned long numBytesReturned; HIDD_ATTRIBUTES devAttr; PHIDP_PREPARSED_DATA PreparsedData; HIDP_CAPS Capabilities; int readValue; bool LED; int flag=0; /2 HDEVINFO handle; handle = SetupDiGetClassDevs(&deviceId, NULL, NULL, DIGCF_DEVICEINTERFACE | DIGCF_PRESENT); /Get only HID devices int i=0; int j=p-m_ctllHIDdevices.GetCount(); for (i=0;im_ctllHIDdevices.GetCount();i+) p-m_ctllHIDdevices.GetText(i,temp); DevicePath=temp; /CreateFile是非常重要的一步，用来建立于HID 通信的句柄HANDLE hCom = CreateFile ( DevicePath, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL); if (hCom = INV ALID_HANDLE_VALUE) /AfxMessageBox(Invalide Device Path.); continue; devAttr.Size=sizeof(HIDD_ATTRIBUTES); if (!HidD_GetAttributes(hCom,&devAttr) CloseHandle(hCom); AfxMessageBox(Cannot get the parameters of the HID.); return 0; /temp.Format(Vendor ID: %d, Product ID:%d,devAttr.VendorID,devAttr.ProductID); /Compare with the Vendor ID and Product ID from Nakamura-san /AfxMessageBox(temp); if (!HidD_GetPreparsedData(hCom,&PreparsedData) CloseHandle(hCom); AfxMessageBox(Cannot get the Preparsed Data.); return 0; if(!HidP_GetCaps(PreparsedData,&Capabilities) CloseHandle(hCom); AfxMessageBox(Cannot get the Cap Data.); return 0; if (devAttr.VendorID = venderID & devAttr.ProductID = productID) while(1) result1 = ReadFile(hCom, &inbuffer0, Capabilities.InputReportByteLength, &numBytesReturned, 0); temp=inbuffer; /p-m_eDataRead=CString(inbuffer); /p-UpdateData(false); if(!result1) AfxMessageBox(Cannot Read Data.); return 0; readValue=inbuffer1; p-m_eDataRead.Format(%d,readValue); / 下面是我把数据从10 进制转换成二进制， 并且点亮LED (一个字节有8 个 bits, 可以点亮8个 LED for (int k=0;km_sDynLED0.SwitchOff(); else p-m_sDynLED0.SwitchOn(); else if (k=1) if (flag=0) p-m_sDynLED1.SwitchOff(); else p-m_sDynLED1.SwitchOn(); else if (k=2) if (flag=0) p-m_sDynLED2.SwitchOff(); else p-m_sDynLED2.SwitchOn(); else if (k=3) if (flag=0) p-m_sDynLED3.SwitchOff(); else p-m_sDynLED3.SwitchOn(); else if (k=4) if (flag=0) p-m_sDynLED4.SwitchOff(); else p-m_sDynLED4.SwitchOn(); else if (k=5) if (flag=0) p-m_sDynLED5.SwitchOff(); else p-m_sDynLED5.SwitchOn(); else if (k=6) if (flag=0) p-m_sDynLED6.SwitchOff(); else p-m_sDynLED6.SwitchOn(); else if (k=7) if (flag=0) p-m_sDynLED7.SwitchOff(); else p-m_sDynLED7.SwitchOn(); p-UpdateData(false); :Sleep(50); / 判断用户是否点击停止按钮，若是，则退出if(p-bStopHID) AfxMessageBox(stopped.); return 0; if (i=j) AfxMessageBox(There is no such HID device.); return 0; 第三步：向HID 设备写数据（根据用户提供的HID 的 vendorID 和 productID) ，用户输入的是二进制数据：与读的程序一样，唯一区别就是红色那部分！UpdateData(true); bStopHID=false; CString temp; CString DevicePath; temp=; int Count = 0; /Total number of devices found DWORD strSize=0,requiredSize=0; BOOL result1,result2; ULONG DeviceInterfaceDetailDataSize; SP_DEVINFO_DA TA DeviceInfoData; SP_DEVICE_INTERFACE_DATA DeviceInterfaceData; PSP_DEVICE_INTERFACE_DETAIL_DATA DeviceInterfaceDetailData; /PSP_DEVICE_INTERFACE_DETAIL_DATA test; /1 GUID deviceId; HidD_GetHidGuid(&deviceId); int venderID=v_eVendorID; int productID=v_eProductID; unsigned char inbuffer2; unsigned long numBytesReturned; HIDD_ATTRIBUTES devAttr; PHIDP_PREPARSED_DATA PreparsedData; HIDP_CAPS Capabilities; int readValue; bool LED; int flag=0; inbuffer0=0; / 把界面里的二进制转换成10 进制inbuffer1=m_eByte0*1+m_eByte1*2+m_eByte2*4+m_eByte3*8+m_eByte4*16+m_eByte5*32+m_eByte6*64+m_eByte7*128; v_eDataToWrite=inbuffer1; UpdateData(false); /2 HDEVINFO handle; handle = SetupDiGetClassDevs(&deviceId, NULL, NULL, DIGCF_DEVICEINTERFACE | DIGCF_PRESENT); /Get only HID devices int i=0; int j=m_ctllHIDdevices.GetCount(); for (i=0;im_eDataRead=CString(inbuffer); /p-UpdateData(false); if(!result1) AfxMessageBox(Cannot Write Data.); return; AfxMessageBox(Suncess.); break; if (i=j) AfxMessageBox(There is no such HID device.); return;