實(shí)驗(yàn)8實(shí)現(xiàn)流接口驅(qū)動(dòng)

第一步:打開編譯好的Training工程。選擇項(xiàng)目（Project）|TrainingProperties...菜單或按Alt+F7,打開工程編譯配置對話框。第二步:在左邊列表框中選中BuildOption，配置工程編譯選項(xiàng)，在BuildOptionsEnablebootspaceinmemoryEnableKITL編譯選項(xiàng)，按第三步:VisualStudio2005中選擇文件（File）->新建->|Subproject…，在AvailabletemplatesWCEDynamic-LinkLibraryWCEDynamiclinklibraryMyDriver，保存位置采用默認(rèn)設(shè)第四步:NextASimpleWindowsEmbeddedCEDLLsubprojects，按完成（Finish）按鈕，VS2005將生成DLL框架代碼。選項(xiàng)卡中展開Subprojects->MyDriver->SourcefilesMyDriver.cpp函數(shù)（紅色為手動(dòng)增加BOOLAPIENTRYDllMain(HANDLEBOOLAPIENTRYDllMain(HANDLEDWORDul_reason_for_call,LPVOIDlpReserved){switch{caseRETAILMSG(1,(_T("MyDriverDemo:DLL_PROCESS_ATTACHreturncaseRETAILMSG(1,(_T("MyDriverDemo:DLL_THREAD_ATTACHcaseRETAILMSG(1,(_T("MyDriverDemo:DLL_THREAD_DETACHcaseRETAILMSG(1,(_T("MyDriverDemo:DLL_PROCESS_DETACH}return}#defineBUFSIZEWCHARachBuffer[BUFSIZE];voidDBGOut(DWORDdwValue);DWORDSTR_Init(DWORDdwContext{DWORDdwRet=RETAILMSGDWORDSTR_Init(DWORDdwContext{DWORDdwRet=RETAILMSG(1,(_T("MyDriverDemo:STR_Init\r\n")));memset(achBuffer,0,BUFSIZE*sizeof(WCHAR));dwRet= return}BOOLSTR_Deinit(DWORDhDeviceContext{BOOLbRet=RETAILMSG(1,(_T("MyDriverDemo:STR_Deinit\r\n")));returnbRet;}DWORDSTR_Open(DWORDhDeviceContext,DWORDAccessCode,DWORDShareMode{DWORDdwRet=RETAILMSG(1,(_T("MyDriverDemo:STR_Open\r\n")));dwRet= return}BOOLSTR_Close(DWORDhOpenContext{BOOLbRet=RETAILMSG(1,(_T("MyDriverDemo:STR_Close\r\n")));returnbRet;}BOOLSTR_IOControl(DWORDDWORDdwCode,PBYTEpBufIn,DWORDPBYTEDWORDdwLenOut,{BOOLbRet=RETAILMSG(1,(_T("MyDriverDemo:STR_IoControl\r\n")));returnbRet;}voidSTR_PowerDown(DWORDhDeviceContext{RETAILMSG(1,(_T("MyDriverDemo:STR_PowerDown\r\n"))}voidSTR_PowerUp(DWORDhDeviceContext{RETAILMSG(1,(_T("MyDriverDemo:STR_PowerUp\r\n"))}DWORDSTR_Read(DWORDhOpenContext,LPVOIDpBuffer,DWORDCount{DWORDdwRet=RETAILMSG(1,(_T("MyDriverDemo:STR_Read\r\n")));DWORDcbBuffer=wcslen(achBuffer);dwRet min(cbBuffer,Countwcsncpy((LPWSTR)pBuffer,achBuffer,dwRet);returndwRet;}DWORDSTR_Seek(DWORDhOpenContext,longAmount,DWORDType{DWORDdwRet=RETAILMSG(1,(_T("MyDriverDemo:STR_Seek\r\n")));returndwRet;}DWORDSTR_Write(DWORDhOpenContext,LPVOIDpSourceBuffer,DWORDNumberOfBytes){DWORDdwRet=RETAILMSG(1,(_T("MyDriverDemo:STR_Write\r\n")));dwRet= min(BUFSIZE,NumberOfBytes);wcsncpy(achBuffer,(LPWSTR)pSourceBuffer,RETAILMSG(1,(_T("WrittendataforAPPis%s\r\n"),achBuffer)returnreturn}第七步:展開Subprojects->MyDriver- files，打開模塊定第八步:在解決方案資源管理器(SolutionExplorer)輯器中單擊Source選項(xiàng)卡，在MyDriver.reg文件，增加如下內(nèi)容："Dll"="MyDriver.Dll""Prefix"="STR""Index"=dword:1MyDriver.dll NK第九步:在解決方案資源管理器(SolutionExplorer)Subprojects->MyDriver->ParameterfilesMyDriver.dll NKMyDriver單擊右鍵，選擇Build菜單。C:\WINCE600\OSDesigns\Training\Training\RelDi