1、第一步：列舉所有的HID設(shè)備：m_ctllHIDdevices.ResetContent(); /這是MFC里面一個(gè)list控件，用來顯示所有的HID設(shè)備的，如果你沒有界面，可以不需要此行UpdateData(FALSE); /更新界面CString temp;int Count = 0; /Total number of devices foundDWORD strSize=0,requiredSize=0;BOOL result1,result2;ULONG DeviceInterfaceDetailDataSize;/定義一些變量，以后會(huì)用到SP_DEVINFO_DATA DeviceI

2、nfoData;SP_DEVICE_INTERFACE_DATA DeviceInterfaceData;PSP_DEVICE_INTERFACE_DETAIL_DATA DeviceInterfaceDetailData;/PSP_DEVICE_INTERFACE_DETAIL_DATA test;/第一步：獲取deviceIDGUID deviceId;HidD_GetHidGuid(&deviceId);/第二步：獲取設(shè)備信息HDEVINFO handle;handle = SetupDiGetClassDevs(&deviceId, NULL, NULL, DIGCF_DEVICEIN

3、TERFACE | DIGCF_PRESENT); /Get only HID devices/第三步：對(duì)所有的設(shè)備進(jìn)行枚舉/SetupDiEnumDeviceInterfaces();result1=false; /定義一些變量result2=false;CString temp11=;doDeviceInterfaceData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);result1 = SetupDiEnumDeviceInterfaces(handle,NULL, / IN PSP_DEVINFO_DATA DeviceInfoData, OP

4、TIONAL&deviceId,Count,&DeviceInterfaceData);/獲得設(shè)備詳細(xì)數(shù)據(jù)（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

5、_DETAIL_DATA);DeviceInfoData.cbSize=s第一步：列舉所有的HID設(shè)備：m_ctllHIDdevices.ResetContent(); /這是MFC里面一個(gè)list控件，用來顯示所有的HID設(shè)備的，如果你沒有界面，可以不需要此行UpdateData(FALSE); /更新界面CString temp;int Count = 0; /Total number of devices foundDWORD strSize=0,requiredSize=0;BOOL result1,result2;ULONG DeviceInterfaceDetailDataSize

6、;/定義一些變量，以后會(huì)用到SP_DEVINFO_DATA DeviceInfoData;SP_DEVICE_INTERFACE_DATA DeviceInterfaceData;PSP_DEVICE_INTERFACE_DETAIL_DATA DeviceInterfaceDetailData;/PSP_DEVICE_INTERFACE_DETAIL_DATA test;/第一步：獲取deviceIDGUID deviceId;HidD_GetHidGuid(&deviceId);/第二步：獲取設(shè)備信息HDEVINFO handle;handle = SetupDiGetClassDevs(

7、&deviceId, NULL, NULL, DIGCF_DEVICEINTERFACE | DIGCF_PRESENT); /Get only HID devices/第三步：對(duì)所有的設(shè)備進(jìn)行枚舉/SetupDiEnumDeviceInterfaces();result1=false; /定義一些變量result2=false;CString temp11=;doDeviceInterfaceData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);result1 = SetupDiEnumDeviceInterfaces(handle,NULL, / I

8、N PSP_DEVINFO_DATA DeviceInfoData, OPTIONAL&deviceId,Count,&DeviceInterfaceData);/獲得設(shè)備詳細(xì)數(shù)據(jù)（初步）SetupDiGetDeviceInterfaceDetail(handle,&DeviceInterfaceData,NULL,0,&strSize,NULL);requiredSize=strSize;DeviceInterfaceDetailData=(PSP_DEVICE_INTERFACE_DETAIL_DATA)malloc(requiredSize);DeviceInterfaceDetailD

9、ata-cbSize=sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);DeviceInfoData.cbSize=sizeof(SP_DEVINFO_DATA);/再次獲得詳細(xì)數(shù)據(jù)result2=SetupDiGetDeviceInterfaceDetail(handle,&DeviceInterfaceData,DeviceInterfaceDetailData,strSize,&requiredSize,&DeviceInfoData);/獲得設(shè)備路徑（最重要的部分）temp=DeviceInterfaceDetailData-DevicePath;Upda

10、teData(FALSE);m_ctllHIDdevices.AddString(temp);Count+; while (result1);UpdateData(false);izeof(SP_DEVINFO_DATA);/再次獲得詳細(xì)數(shù)據(jù)result2=SetupDiGetDeviceInterfaceDetail(handle,&DeviceInterfaceData,DeviceInterfaceDetailData,strSize,&requiredSize,&DeviceInfoData);/獲得設(shè)備路徑（最重要的部分）temp=DeviceInterfaceDetailData-

11、DevicePath;UpdateData(FALSE);m_ctllHIDdevices.AddString(temp);Count+; while (result1);UpdateData(false);第二步：循環(huán)讀取HID設(shè)備數(shù)據(jù)（根據(jù)用戶提供的HID的vendorID和productID)，并且把字節(jié)解碼成二進(jìn)制，在MFC界面上用LED展示：為了不影響主線程的運(yùn)行，我把讀取數(shù)據(jù)的操作，放在一個(gè)子線程里！每隔50ms去讀取一次數(shù)據(jù)！首先創(chuàng)建一個(gè)線程：HANDLE hThread1;bStopHID=false; /這個(gè)變量，以后用來停止線程UpdateData(true); /更新界面

12、，獲取變量UpdateData(false);hThread1 = CreateThread(NULL,0,Thread_Enable_Read,(LPVOID)this, NULL, NULL);在線程的程序里：CusbhidDlg *p = ( CusbhidDlg *)pvParam; /獲取主窗口的指針，用來調(diào)用主窗口的變量和函數(shù)p-UpdateData(true);p-bStopHID=false;CString temp;CString DevicePath;temp=;int Count = 0; /Total number of devices foundDWORD strSi

13、ze=0,requiredSize=0;BOOL result1,result2;ULONG DeviceInterfaceDetailDataSize;SP_DEVINFO_DATA DeviceInfoData;SP_DEVICE_INTERFACE_DATA DeviceInterfaceData;PSP_DEVICE_INTERFACE_DETAIL_DATA DeviceInterfaceDetailData;/PSP_DEVICE_INTERFACE_DETAIL_DATA test;/1GUID deviceId;HidD_GetHidGuid(&deviceId);int ve

14、nderID=p-v_eVendorID; /從窗口里獲取用戶輸入的VendorID int productID=p-v_eProductID;/從窗口里獲取用戶輸入的ProductIDunsigned char inbuffer2; /用來存放讀取的數(shù)據(jù)，請(qǐng)?jiān)谶@里定義你自己需要的長(zhǎng)度，我每次讀一個(gè)字節(jié)進(jìn)來unsigned long numBytesReturned;HIDD_ATTRIBUTES devAttr;PHIDP_PREPARSED_DATA PreparsedData;HIDP_CAPS Capabilities;int readValue;bool LED;int flag=0

15、;/2HDEVINFO handle;handle = SetupDiGetClassDevs(&deviceId, NULL, NULL, DIGCF_DEVICEINTERFACE | DIGCF_PRESENT); /Get only HID devicesint 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，用來建立于HID通信的句

16、柄HANDLE hCom = CreateFile (DevicePath,GENERIC_READ | GENERIC_WRITE,FILE_SHARE_READ | FILE_SHARE_WRITE,NULL,OPEN_EXISTING, 0,NULL);if (hCom = INVALID_HANDLE_VALUE)/AfxMessageBox(Invalide Device Path.);continue;devAttr.Size=sizeof(HIDD_ATTRIBUTES);if (!HidD_GetAttributes(hCom,&devAttr)CloseHandle(hCom

17、);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);AfxMessageB

18、ox(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,

19、 &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);/下面是我把數(shù)據(jù)從10進(jìn)制轉(zhuǎn)換成二進(jìn)制，并且點(diǎn)亮LED (一個(gè)字節(jié)有8個(gè)bits,可以點(diǎn)亮8個(gè)LEDfor (int k=0;km_sDynLED0.SwitchOff();elsep-m_sDynL

20、ED0.SwitchOn();else if (k=1)if (flag=0)p-m_sDynLED1.SwitchOff();elsep-m_sDynLED1.SwitchOn();else if (k=2)if (flag=0)p-m_sDynLED2.SwitchOff();elsep-m_sDynLED2.SwitchOn();else if (k=3)if (flag=0)p-m_sDynLED3.SwitchOff();elsep-m_sDynLED3.SwitchOn();else if (k=4)if (flag=0)p-m_sDynLED4.SwitchOff();elsep

21、-m_sDynLED4.SwitchOn();else if (k=5)if (flag=0)p-m_sDynLED5.SwitchOff();elsep-m_sDynLED5.SwitchOn();else if (k=6)if (flag=0)p-m_sDynLED6.SwitchOff();elsep-m_sDynLED6.SwitchOn();else if (k=7)if (flag=0)p-m_sDynLED7.SwitchOff();elsep-m_sDynLED7.SwitchOn();p-UpdateData(false);:Sleep(50);/判斷用戶是否點(diǎn)擊停止按鈕，若

22、是，則退出if(p-bStopHID)AfxMessageBox(stopped.);return 0;if (i=j)AfxMessageBox(There is no such HID device.);return 0;第三步：向HID設(shè)備寫數(shù)據(jù)（根據(jù)用戶提供的HID的vendorID和productID)，用戶輸入的是二進(jìn)制數(shù)據(jù)：與讀的程序一樣，唯一區(qū)別就是紅色那部分！UpdateData(true);bStopHID=false;CString temp;CString DevicePath;temp=;int Count = 0; /Total number of devices

23、foundDWORD strSize=0,requiredSize=0;BOOL result1,result2;ULONG DeviceInterfaceDetailDataSize;SP_DEVINFO_DATA DeviceInfoData;SP_DEVICE_INTERFACE_DATA DeviceInterfaceData;PSP_DEVICE_INTERFACE_DETAIL_DATA DeviceInterfaceDetailData;/PSP_DEVICE_INTERFACE_DETAIL_DATA test;/1GUID deviceId;HidD_GetHidGuid(&deviceId);int ve