Vist frame buffer driver

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- Previous
  - 1
    - TCP KeepAlive via TDI Hi, Anyone know how to turn on TCP KeepAlive via TDI. Also, the default value is 7200000 milliseconds. Is there anyway to change this via TDI. Thanks, -David G Tag: Vist frame buffer driver Tag: 80953
  - 2
    - 32-bit app IOCTL_SCSI_PASS_THROUGH on x64 Windows ==> Error 1306 Every time I use IOCTL_SCSI_PASS_THROUGH on a tape device from a 32-bit app on x64 Windows, the RC = 1306. The same 32-bit app on Windows 32-bit works, as does a 64-bit app on x64 Windows. Is there a way to support passthrough on an x64 OS from a 32-bit app? I observed this behavior after a 32-bit compile of spti from the DDK. Thanks in advance. -- Tape Device Driver Development IBM Tucson Tag: Vist frame buffer driver Tag: 80948
  - 3
    - Mux compile problem. When I compile Mux driver under Windows XP Free Build Environment, I got error below and don't know how to fix it. Can someone please help? C:\Mux1n3>build -w BUILD: Adding /Y to COPYCMD so xcopy ops won't hang. BUILD: Object root set to: ==> objfre_wxp_x86 BUILD: Compile and Link for i386 BUILD: Loading C:\WINDDK\3790~1.183\build.dat... BUILD: Computing Include file dependencies: BUILD: Examining c:\mux1n3 directory for files to compile. BUILD: Linking c:\mux1n3 directory Linking Executable - objfre_wxp_x86\i386\mux1n.sys for i386 protocol.obj : warning LNK4006: _OidToString@4 already defined in mux.obj; secon d definition ignored errors in directory c:\mux1n3 LINK : error LNK1218: warning treated as error; no output file generated BUILD: Done 1 executable built - 1 Warning - 1 Error C:\Mux1n3> Tag: Vist frame buffer driver Tag: 80944
  - 4
    - MDL's I have a driver that receves a buffer from another kernel mode component it may also receive a MDL (that corresponds to that kernel buffer), that mdl may or may not be locked. If it does not receive a mdl I do an IoAllocateMdl on the buffer then I want to check if the mdl is locked. So I check the mdl->flags for MDL_PAGES_LOCKED if not I do a MmBuildMdlForNonPagedPool Does that lock the buffer/mdl? I do not afterwards see the MDL_PAGES_LOCKED flag set in mdl->flags Do I need the MmProbeAndLock, I thought that was only (or primarily) for buffers from user mode. thanks also after this mdl is locked ok/recommended/ not recommended to do a MmGetMdlPfnArray() to know what how to program some device. if that device uses 64 bit address registers do I, zero the top 32 bits, or is it recommended to use one of the Adapter->ScatterfGather type funcs ? Tag: Vist frame buffer driver Tag: 80942
  - 5
    - How to inhibit Auto Run/Play in XP Hello, We are trying to inhibit any reaction when a USB device is plugged in or a removable media device is activated. The system should not execute any program, nor dispaly any message. We would like to make the change automatically through our application, but working through a user interface would be acceptable. We have tried changing the Registry key "NoDriveTypeAutoRun" to 0xFF, as well as selecting "Take No Action" when the autorun window comes up, but nothing seems to inhibit the reaction. Creating an Autorun.inf file that points to a dummy exe file also has not helped. What is left? What are we doing wrong? Thanks in advance for any help. Best regards, Garet Cammer Tag: Vist frame buffer driver Tag: 80940
  - 6
    - Confused : Target Platforms,WDM & WDF ... First of all , i 'm a newbie and i hope you bear me ... 1. what are major and minor differences between win2000 ddk and xp sp1 ddk except target platforms ? For example , i read that XP is a super-set of Windows2000 , but what are extra features of XP and XP device drivers comparing to 2000 and 2000 device drivers? 2. What is the role of WDF ? Can i write stable 2000/XP drivers using WDK and can 2000/xp drivers written in WDK run in Vista ? 3. Why are KMDF and UMDF seperated in WDF ? Tag: Vist frame buffer driver Tag: 80927
  - 7
    - need advice hi, I'm very new to driver programming, Which books or resourses should I read for windows driver programming at the beginning thanks Tag: Vist frame buffer driver Tag: 80923
  - 8
    - The way for a 3D game to retrieve the position of mouse? Are there some special way we seldom use for the 3D games to retrieve the position of the mouse? I know the Underground1 use the DirectInput8 to retrieve the data of mouse and keyboard(GetDeviceData() for the keyboard,and GetDeviceState() for the mouse) , the Underground2 use the the DirectInput8 to retrieve the data of keyboard and the click of mouse (GetDeviceData() for the keyboard,and GetDeviceState() for the mouse) .But what is the way the Underground2 used to retrieve the mouse's position? Tag: Vist frame buffer driver Tag: 80922
  - 9
    - shift key status hi friends i am working on UNIDRV printer driver, platform win 2000. i am trying to get the status of shift key. for this purpose i am using window api GetKeyState(). Actually i want to skip printing if user give print command with shift key down. i am calling this function in DllMain() function as shown below long vk_shift=0x10; long keystatus = (GetKeyState(vk_shift) & 0xF0000000); if(keystatus) { checkfile=fopen("c:\\shiftfile.txt","w"); if(checkfile) { fprintf(checkfile,"%c",'s'); fclose(checkfile); } } This code works fine with all applications except MS-WORD. So i want to know what is the problem with MS-WORD. if you are not able to get the problem then let me know. regards Himanshu Tag: Vist frame buffer driver Tag: 80920
  - 10
    - shift key status hi friends i am working on UNIDRV printer driver, platform win 2000. i am trying to get the status of shift key. for this purpose i am using window api GetKeyState(). Actually i want to skip printing if user give print command with shift key down. i am calling this function in DllMain() function as shown below long vk_shift=0x10; long keystatus = (GetKeyState(vk_shift) & 0xF0000000); if(keystatus) { checkfile=fopen("c:\\shiftfile.txt","w"); if(checkfile) { fprintf(checkfile,"%c",'s'); fclose(checkfile); } } This code works fine with all applications except MS-WORD. So i want to know what is the problem with MS-WORD. if you are not able to get the problem then let me know. regards Himanshu Tag: Vist frame buffer driver Tag: 80919
  - 11
    - getjob() function hi friends i am working on UNIDRV printer driver, platform win 2000. i am calling getjob() function in OEMStartDoc function as shown below. GetJob(pdevobj->hPrinter,jobid,(DWORD)1,pJob,cbBuf,&pcbNeeded) initially i call this function with cbBuf =0 and after calling this function i copy the value of pcbNeeded in cbBuf and again call this function with new value of cbBuf. now what's the problem is this function works fine with all applications except MS-WORD. in case of MS-WORD i get the value of pcbNeeded =0 after first call but in rest of the cases i get some value in pcbNeeded. Actually i am trying to get the name of printer with the help of JOB_INFO_1 structure. Now i want to know what is the problem with MS-WORD. regards Himanshu Tag: Vist frame buffer driver Tag: 80918
  - 12
    - how to dev virtual webcam use DDK hi all, i have see src\wdm\avstream\avshws of DDK and i want use it to dev 1 virtual webcam, step one, i change something on source code to when install into my system it display at: Video Capture Sources and WDM Streaming Capture Devices tree too, but can not, pls anybody help me how to change code to when install driver it display both two??? Thanks very much David, Tag: Vist frame buffer driver Tag: 80916
  - 13
    - rs232 to usb2 converter problem I have an problem with the application I am currently developing and I will be very pleased if you can help. Here it is: 1 ) I have developed an MFC dialog based application using rs232 protocol to communicate with an hardware. 2 ) There is no problem with the communication with the following settings, port = com1, baud rate=115200, 8n1, no flow control. 3) When I insert a rs232 to usb2.0 converter between the hardware and the usb port (hence a virtual com port is created), a significant reduce in the data transfer rate is observed although the baud rate is set at 115200bps in my application. 4) But the data transfer rate reduction is not observed when I use hyperterminal. My question is: What Is the different handling mechanism implemented in hyperterminal when USB device is detected? Are there different API calls? My application uses createfile function to open the port (for both real COM ports and virtual com ports using usb2 to rs232 converter) . And use the same routines as if I am on a com port? Should I do something else? I will be very pleased if you can help... Thanks again... Ugras Tag: Vist frame buffer driver Tag: 80914
  - 14
    - How many pixels of a webcam? Hi all, If a webcam says it can capture 1.3MP still image and live preview at 640*480 resolution, is there a way I can know how may pixels the webcam actual supports(not interpolated)? I mean via driver or application, is there any programming interface to get the info? Thanks in advance. Tag: Vist frame buffer driver Tag: 80913
  - 15
    - Install Driver failed I am writting a driver install package to install my driver on vista Beta2 but it fails. Below is part of the setupapi.dev.log: >>>> dvi: {DIF_INSTALLINTERFACES - exit(0x00000000)} 20:42:02.617 ndv: Installing device... dvi: {DIF_INSTALLDEVICE} 20:42:02.617 dvi: Class installer: Enter inf: Loaded PNF for 'C:\Windows\INF\oem8.inf' (Language = 0409). !!! dvi: Class installer: failed(0x0000000e)! !!! dvi: Error 14: Not enough storage is available to complete this operation. dvi: {DIF_INSTALLDEVICE - exit(0x0000000e)} 20:42:02.633 !!! ndv: Error(0000000e) installing device! ndv: Device install status=0x0000000e ndv: Performing device install final cleanup... ndv: Queueing up error report since device installation failed... ndv: {Core Device Install - exit(0x0000000e)} <<<< The error is "Error 14: Not enough storage is available to complete this operation". But I am sure all my disks are more than 3GB free space each. This install package works fine on WinXP. I never see this error before. Could anyone tell me how to fix this error? Thanks very much! Tag: Vist frame buffer driver Tag: 80911
  - 16
    - about reset my usb device! This is a multi-part message in MIME format. ------=_NextPart_000_006F_01C69092.FE89DA70 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: quoted-printable =BF=D5=B0=D7I write the filesystem(fat) to my usb device by my raw = channal,so I need to reset my device to make os load filesystem...is = there any easy way to reach that?=20 I found IOCTL_SCSI_INTERNAL_PORT_CYCLE/RESET_DEVICE.. and I try to send the ioctl to lower device by append filter driver to diskstor.sys,but it crash os to = restart..(win2k). why?=20 I just filter the deviceioctl,capture my ctlcode,build irp then push to = next stack. ------=_NextPart_000_006F_01C69092.FE89DA70 Content-Type: text/html; charset="gb2312" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD><TITLE id=3DridTitle>=BF=D5=B0=D7</TITLE><BASE=20 href=3D"file://C:\Program Files\Common Files\Microsoft = Shared\Stationery\"> <META http-equiv=3DContent-Type content=3D"text/html; charset=3Dgb2312"> <STYLE>BODY { MARGIN-TOP: 25px; FONT-SIZE: 10pt; MARGIN-LEFT: 25px; COLOR: #000000; = FONT-FAMILY: =CB=CE=CC=E5, =BA=DA=CC=E5 } P.msoNormal { MARGIN-TOP: 0px; FONT-SIZE: 10pt; MARGIN-LEFT: 0px; COLOR: #ffffcc; = FONT-FAMILY: =BA=DA=CC=E5, "=CB=CE=CC=E5" } LI.msoNormal { MARGIN-TOP: 0px; FONT-SIZE: 10pt; MARGIN-LEFT: 0px; COLOR: #ffffcc; = FONT-FAMILY: =BA=DA=CC=E5, "=CB=CE=CC=E5" } </STYLE> <META content=3D"MSHTML 6.00.2800.1543" name=3DGENERATOR></HEAD> <BODY id=3DridBody bgColor=3D#ffffff background=3D"Blank Bkgrd.gif"> <DIV>I write the filesystem(fat) to my usb device by my raw channal,so I = need to=20 reset my device to make os load filesystem...is there any easy way to = reach=20 that? </DIV> <DIV> </DIV> <DIV>I found IOCTL_SCSI_INTERNAL_PORT_CYCLE/RESET_DEVICE..</DIV> <DIV>and I try to send the ioctl to lower device by</DIV> <DIV>append filter driver to diskstor.sys,but it crash os to=20 restart..(win2k).</DIV> <DIV>why? </DIV> <DIV>I just filter the deviceioctl,capture my ctlcode,build irp then = push to=20 next stack.</DIV> <DIV> </DIV> <DIV> </DIV> <P> </P></BODY></HTML> ------=_NextPart_000_006F_01C69092.FE89DA70-- Tag: Vist frame buffer driver Tag: 80910
  - 17
    - How to calculate the font pitch Hi, I am working with Text rendering in printers, I need to send the font pitch to the printer in case of non-monospace fonts, How do i calculate it?? i have FONTOBJ and IFIMATRICS as input parametrs. thanks. Tag: Vist frame buffer driver Tag: 80907
  - 18
    - problem inline function with ddk build Hello. there is a c++ class. all implementation is inside header (*.h) there is member function void inline X(). Both Chk and Free builds of disasembled sys module contains call xxxx instead of function body. How can i instruct build to make it inline ? Thanks. Tag: Vist frame buffer driver Tag: 80906
  - 19
    - USB Interface Association Descriptor Hi, I'm trying to obtain the Interface Association Descriptor in my USB client driver. Initially, I thought the IA descriptor will be returned as part of the configuration descriptor, but what I found is that the generic parent driver removed the IA descriptor from the returned configuration descriptor. Let's say in the USB device firmware, the configuration descriptor's wTotalLength is N bytes. The configuration descriptor returned by the generic parent driver is changed to (N-8) bytes, and the IA descriptor is nowhere to be found in the descriptor. Any idea know how a client driver can get hold of the IA descriptor ? What kind of URB should the driver send to obtain the IA descriptor ? Thanks. -Hock Tag: Vist frame buffer driver Tag: 80896
  - 20
    - devcon install with 2 inf files? Hi all, I'm using devcon to install NDIS intermediate driver with 2 inf files and unsucessfully to do this. It install fine if I install the driver manually. Can someone help me how to automaticlly install the driver with 2 inf files. Thanks, ttan Tag: Vist frame buffer driver Tag: 80884
  - 21
    - DataRangeIntersection Handler for AVStream KSPIN for Pin-Centric Processing Hi, I'm trying to create an AVStream driver that do PinCentric Processing. In my KSPIN_DESCRIPTOR_EX, I specify a handler for the DataRangeIntersection. However, I found that during instantiation of a new Pin instance, the DataRangeIntersection handler may not be called, and the AVStream's SetDataFormat handler is called set format to the pin without any checking for the DataRangeIntersection. Does anyone knows when the system will call DataRangeIntersection for an AVStream driver in Vista. Thanks KS Tag: Vist frame buffer driver Tag: 80877
  - 22
    - Kernel mode driver won't start I'm new to driver development so please bear with me here. I'm trying to port an existing NT driver to the current DDK. The driver was built using Compuwares DriverWorks 3.2 (originally it was running with ver 1.1). I'm not using the WDM model. I'm using the win2003 server sp1 DDK. It builds with no warnings. A) When I try to run it using 'sc start drivername' I get the following error : [SC] StartService FAILED 2: The system cannot find the file specified. B) If I try to launch it using the DriverWorks tool called DriverMonitor it gives me the error : ERROR (2): The ImagePath specified in the driver's service database entry is incorrect, or the file is missing. C) If I try to set a breakpoint in the driver using SoftIce and boot the system to see if it hits the breakpoint it never gets to it. So, it seems like it's unable to even load the driver.sys file. I've checked the registry and the ImagePath looks fine. I've built sample drivers from the DriverWorks/DDK and I can launch those drivers with no problem. I've ran PreFast on the build and it doesn't come up with anything that seems critical to me. How do I debug such a problem? Thanks, Brent Bartson Tag: Vist frame buffer driver Tag: 80873
  - 23
    - Unknown MOUNTDEV Ioctl? Hi, I've got a virtual disk driver and I'm seeing lots of one particular IOCTL that is not listed in mountdev.h. The device type is 0x4d and the function code is 0x2. Mysteriously, mountdev.h has IOCTLs defined for functions 1,3,4,5,6. Anybody know what this IOCTL is and how to respond to it? thanks in advance, -bob Tag: Vist frame buffer driver Tag: 80872
  - 24
    - Calling COM objects from Print Processor Hi, I have a c# assembly that i want to execute when a print job occurs, which captures information about the print job from the Print Processor. I also need to be able to prevent the print job from continuing if certain conditions arent met. I have created the c# dll, and exported a tlb file from it to use it as a COM object in my C++ Print Processor This doesnt seem to be working, and when i debug the spool process with Visual Studio, it gets up to where it creates the instanc eof the com object, and then crashes Visual Studio, along with the spool process. There is no feedback. Can anyone help me? I have tried hosting the com object in a little test C++ app, and it works fine, so its only when its running from the Print Processor that there are problems. Could this be an issue with permissions or something, because the spooler is a system process? Any help would be gratefully recieved! Tag: Vist frame buffer driver Tag: 80869
  - 25
    - WIA Microdriver - Paper Source & Supported Resolutions I'm writing a WIA microdriver for my scanner. This scanner does not have a flatbed (ADF only) and does not support all the resolutions the microdriver support. So, while I know this may be impossible) is there anyway to set the microdriver not to have the flatbed option listed as a paper source and is it possible to restrict the resolutions the user can choose? I realize that neither or these may be possible, but I thought I'd see if anyone knew if they are or not. If they are possible can anyone point me to how to do it? Thanks in advance, Mike Tag: Vist frame buffer driver Tag: 80867
- Next
  - 1
    - Newbie: need to develop a filter driver for a USB device ? Hi, I'm an experienced Windows programmer, but I'm absolutely new to Windows driver development. My problem is that I have a USB device and an application (not coded by me) that communicate by means of a specific driver (not coded by me) that maps the device (or the usb port the device is attached to) on a virtual COM port: I need to intercept the data that the device sends to the application and change it slightly (leaving the device, the original driver and the application untouched). I started to read the DDK's documentation, and now I have the following questions ... Do I really need a driver ? [I would answer YES] Do I really need a kernel mode driver ? [I would answer YES] Do I need a filer driver ? [I would answer YES] Upper or lower ? [I really don't know] On which 'stack': USB or serial ? [I would say USB, because the COM port is a 'virtual' one, but I'm absolutely not sure]. Thanks, Nicola Marinelli. Tag: Vist frame buffer driver Tag: 80861
  - 2
    - Invalid handle error in SDRegisterClient API Hi, I am trying to develop a SDIO device driver using Evc++. The target device is an imate PPC. I am not using platform builder, as i am not to use a development board, but just write a driver for the PPC device which has an OS already. My device has an SDBusdriver.dll So i am thinking that i should develop a host controller driver and a client driver. Initially i am doing an SD card Client Driver and will try to modify it from there.( Dont know if this is a good way to proceed) I am currently modifying the registry in the HKLM/Drivers/...../SDMemory_Class to replace the existing sdmemory.dll client driver with my own SD card driver called MySD.dll. I encountered the following problem in my driver code. in the xxx_init, i have called the SDGetDeviceHandle(param1,param2) API. I get the HKLM/...../SDMemory_Class path in the param2 variable and got a value for the handle returned by the API. I used the Remote tools from EVC++ and in remote registry editor i checked the active list of drivers. It showed one subkey as 'Hnd' and onemore subkey as 'ClientInfo'. The handle value got from the API is the same as the value in ClientInfo and not the one in Hnd.I expected the value to be the one in 'Hnd' and not the one in 'ClientInfo'. Is this a problem? if so how to correct it? Next, i called the SDRegisterClient(...) API with the handle returned by the SDGetDeviceHandle API as one of the parameters to SDRegisterClient. But this is causing an error, and the error code is 0xC0000006. I understand that this status implies an INVALID HANDLE. However, since the SDGetDeviceHandle API returned me the correct registry path, i think the handle must also be correct. I cant understand why the handle is invalid. I hope someone can help me out on this one. Thanks, Nag Tag: Vist frame buffer driver Tag: 80860
  - 3
    - synchronization between display driver and user mode application Hi, We're using some shared memory between user mode application and mirror driver. In order to synchronize the access to shared memory between the driver and user application we are using mutexes. When we call CreateMutex API in display driver, our display driver fails to load.(To be more precise, CreateDC API for our mirror driver fails.) Can anyone explain the reason? Or else can anyone suggest any other synchronization method. PS: We are using NTDDK to build our driver and testing it on Win2K. -- regards Munish_S Tag: Vist frame buffer driver Tag: 80854
  - 4
    - When LA_ALTERNATE flag is set in fl member of LINEATTRS structure? Hi Can anybody help me when LA_ATERNATE or LA_STARTGAP flag is set in fl member of LINEATTRS structure. For LA_ALTERNATE, i done win32 program as follows, Here, hdc is handle of Printer, EXTLOGPEN elp; HPEN hPen; LOGBRUSH lb; lb.lbStyle = BS_SOLID ; lb.lbColor = RGB (255, 0, 0) ; lb.lbHatch = 0 ; hPen = ExtCreatePen( PS_COSMETIC | PS_ALTERNATE, 1, &lb, 0, NULL ); GetObject( hPen, sizeof( EXTLOGPEN ) , &elp ); SelectObject( hdc, hPen ) ; BeginPath( hdc ); MoveToEx (hdc, 100, 100 , NULL); LineTo (hdc, 100, 520 ); EndPath( hdc ); StrokePath( hdc ); After sending to printer, the call is goes to DrvStrokePath(), but LA_ALTERNATE flag is not set in fl. Cany anbody tell me, what is the actual criteria the gdi set the LA_ALTERNATE flag or LA_STARTGAP flag. Thanks Tag: Vist frame buffer driver Tag: 80852
  - 5
    - which build environment to use? I've just installed 2003 server ddk sp1 ... I have a driver that I want to run on windows 2000 and XP. Do I really need to build 2 seperate drivers ... one using the windows 2000 build environment and the other using the XP build environment? The ddk help says the following (which confuses me) ... "Use the Microsoft Windows 2000 build environments in this DDK to build drivers that are designed to run on Windows 2000 only, or Windows 2000 or later operating systems" ... Does "later operating systems" include XP? Are they trying to say that if I want my driver to work on windows 2000 and XP I should build it with the windows 2000 build environment? I'm tempted to just build using the Windows Server 2003 build environment because it sounds like I can use this one to build just about anything! Tag: Vist frame buffer driver Tag: 80851
  - 6
    - SetupDiEnumDeviceInterfaces failing for GUID_DEVCLASS_DISKDRIVE I'm trying to get PSP_DEVICE_INTERFACE_DETAIL_DATA->DevicePath for DiskDrives in my system. For this, I'm using code as below: (I'm not looping thru for loop, because I know that there is only one disk drive). Call to function "SetupDiEnumDeviceInterfaces" always fails with GetLastError value of 259 ("ERROR_NO_MORE_ITEMS"). If I call SetupDiEnumDevInfo on this same call, it works fine and does not fail with this error code. My questions are: 1) Why is this call failing? 2) Is GUID_DEVCLASS_DISKDRIVE not supposed to work with this function? 3) What could be alternative to get this information (DevicePath)? /**********************************************/ HDEVINFO deviceInfo; SP_DEVICE_INTERFACE_DATA deviceInfoData; PSP_DEVICE_INTERFACE_DETAIL_DATA deviceDetailData; ULONG index=0; ULONG requiredLength; deviceInfo = SetupDiGetClassDevs((LPGUID)&GUID_DEVCLASS_DISKDRIVE, NULL, NULL, (DIGCF_PRESENT | DIGCF_DEVICEINTERFACE)); deviceInfoData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA); SetupDiEnumDeviceInterfaces(deviceInfo,0, (LPGUID)&GUID_DEVCLASS_DISKDRIVE, 0,&deviceInfoData); // Call with 0 first to get the size required for reading data SetupDiGetDeviceInterfaceDetail(deviceInfo,&deviceInfoData, NULL,0,&requiredLength,NULL); deviceDetailData = (struct _SP_DEVICE_INTERFACE_DETAIL_DATA_A *)GlobalAlloc(GPTR, requiredLength); deviceDetailData->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA); SetupDiGetDeviceInterfaceDetail(deviceInfo, &deviceInfoData, deviceDetailData, requiredLength, &requiredLength, NULL); SetupDiDestroyDeviceInfoList(deviceInfo); /**********************************************/ Tag: Vist frame buffer driver Tag: 80846
  - 7
    - memory manager write changes back to file? below given an excerpt from the article http://www.codeproject.com/system/NoDeleteDelay.asp "Now that we know which addresses to patch, we need to map those addresses into the kernel-mode area of the memory. This will allow us to lock the pages in memory, thus preventing them from being swapped out to disk. In this case the memory we're modifying is "backed" by shell32.dll. If it were to be swapped out, the memory manager would attempt to write the changes back to shell32.dll. This would most likely cause Windows File Protection to swing into action, which is something we want to avoid, since it would most likely undo the changes we're going to make." so i wonder; why WFP swings into action? isn't the driver just patching the memory but not the file? is swapping out a modified memory causes memory manager to write changes to the file? which file we are talking about? or WFP comes into action not only when a file is modified but also when the memory it has been mapped? am i missing something? thanks Tag: Vist frame buffer driver Tag: 80845
  - 8
    - how to register avstream driver under video_capture_sources tree hi all, i try to use ddk to build virtual driver, in the ddk have sample is: src\wdm\avstream\avshws, i try to build this exmaple and install to my system and use Graphic Edit to see, it just display at: WDM Streaming Capture Devices tree, i want it display at Video Capture Sources tree too, pls anybody help me how to do that??? David, Tag: Vist frame buffer driver Tag: 80839
  - 9
    - Which Windows XP (64 bit) services are needed for Floppy Drive 7 in 1 Card Reader (FA404M) ? Hello, Which Windows XP (64 bit) services are needed for Floppy Drive 7 in 1 Card Reader (FA404M) ? I think I turned off some services and now the card reader is not working any more. It does not show up in windows explorer. The floppy drive does show up but the remote/removable storage drives are gone. I tried turning on some services and even changing some bios settings nothing helped so far ?!!!!!!!!! Service hell it seems. For a 10+ billion dollar costing operating system pretty fucking unbelieveable ;) Bye, Skybuck. Tag: Vist frame buffer driver Tag: 80836
  - 10
    - usb: Device Notification on a query remove My application registers the device handle notification of my USB device. My OS is windows 2000. I found that for a surprise remove, I can receive a "DBT_DEVICEREMOVECOMPLETE"; for a query remove, I can receive "DBT_DEVICEQUERYREMOVE" and then "DBT_DEVICEREMOVEPENDING". But no "DBT_DEVICEREMOVECOMPLETE" message comes. Windbg shows that the driver is unloaded. Is it ok? Thank in advance. Best regards Amanda Lin Tag: Vist frame buffer driver Tag: 80833
  - 11
    - Help Changing genport.inf to access Parallel Ports Does anybody can help me configure the genport.inf to use the genport.sys to read/write the parallel port please? Port base 378, 3bc I want to read/write those ports directrly the port register,the data register and the control register base+1, base+2,base+3 If I install the driver there would not be a conflict between the current LPT1 device installed and the genport.sys? Thanks in advance. Tag: Vist frame buffer driver Tag: 80825
  - 12
    - USB Trickery My situation is that i want to change out a usb root hub driver to make another system think that its connected to a mass storage device rather than another system. IE if i had 2 systems on a usb patch cable one would think that the other was a mass storage device so it used a native storage driver. any ideas? Tag: Vist frame buffer driver Tag: 80818
  - 13
    - Why SdBusSubmitRequest() is hanging ? Hi, I'm working on a SDIO drivers on XP SP2. Anybody has any idea why the call to SdBusSubmitRequest() for command 52, hangs ? It looks like, as if the bus driver/hardware is busy.. if i eject the sdio card then the call returns with 0xC0000001 status. I have done the usual SDBusOpenInterface and initializing the bus interface etc properly. All these calls are returning status success. Also, i can see (using LA) that when the card is being booted, bus driver is doing several CMD52 read and write successfully. But when i issue the first CMD52 using SdBusSubmitRequest() it hangs.... and i do not see any CMD52 going to the hardware in LA. The same card works fine with the linux sdio driver properly. My sdio init is something like this (which is done in create dispatcher) :- status = SdBusOpenInterface(fdoData->UnderlyingPDO, &fdoData->SDBusInterface, sizeof(SDBUS_INTERFACE_STANDARD), SDBUS_INTERFACE_VERSION); SdioDbgPrint(TRACE,"Create:SDBusInterface status 0x%x\n",status,); if (NT_SUCCESS(status)) { SDBUS_INTERFACE_PARAMETERS interfaceParameters = {0}; interfaceParameters.Size = sizeof(SDBUS_INTERFACE_PARAMETERS); interfaceParameters.TargetObject = fdoData->NextLowerDriver; interfaceParameters.DeviceGeneratesInterrupts = TRUE; //Run the call back at PASSIVE_LEVEL interfaceParameters.CallbackAtDpcLevel = FALSE; interfaceParameters.CallbackRoutine = (PSDBUS_CALLBACK_ROUTINE)SdioDriverCallback; interfaceParameters.CallbackRoutineContext = DeviceObject; status = STATUS_UNSUCCESSFUL; if (fdoData->SDBusInterface.InitializeInterface) { status = fdoData->SDBusInterface.InitializeInterface(fdoData->SDBusInterface.Context, &interfaceParameters); SdioDbgPrint(TRACE,"AddDevice:initializeinterface status 0x%x\n", status); if(!NT_SUCCESS(status)) goto createend; } else goto createend; }else goto createend; } //just for testing Data = 0; status = SdioReadWriteByte(DeviceObject,FN0,&Data,CARD_CAPABILITY_REG,FALSE); ---------------------------------------------------------------------- My sdioReadWriteByte() function is :- Exactly same as what given in the DDK help for Direct command. Regards Esha Tag: Vist frame buffer driver Tag: 80802
  - 14
    - How to Insert a driver (.sys) in a DLL This is a multi-part message in MIME format. ------=_NextPart_000_0D8E_01C68ECD.028469F0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Dear friends: I need to Insert a driver (.sys) in a DLL I don't want to install the driver, just wanna to call the dll and let = the driver do the job. doees anybody know how to do it? (Delphi or VB or VC) Thanks in advance ------=_NextPart_000_0D8E_01C68ECD.028469F0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=3DContent-Type content=3D"text/html; = charset=3Diso-8859-1"> <META content=3D"MSHTML 6.00.2900.2873" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY> <DIV> <P><FONT face=3DArial size=3D2>Dear friends:</FONT></P> <P><FONT face=3DArial size=3D2>I need to Insert a driver (.sys) in = a=20 DLL</FONT></P> <P><FONT face=3DArial size=3D2>I don't want to install the driver, just = wanna to=20 call the dll and let the driver do the job.</FONT></P> <P><FONT face=3DArial size=3D2>doees anybody know how to do = it?</FONT></P> <P><FONT face=3DArial size=3D2>(Delphi or VB or VC)</FONT></P> <P><FONT face=3DArial size=3D2>Thanks in advance</FONT></P> <P><FONT face=3DArial size=3D2></FONT> </P></DIV></BODY></HTML> ------=_NextPart_000_0D8E_01C68ECD.028469F0-- Tag: Vist frame buffer driver Tag: 80801
  - 15
    - Customized SLIC rules in Static Driver Verifier? Hi, i am using WinDDK build 5384 and I would like to know, whether it is possible to customize the set of SLIC rules for StaticDV or add some new rules. Are there (or will there be) any possibilities to customize the rules and/or the os-model that come with the DDK? Thanks in advance, Friedrich Tag: Vist frame buffer driver Tag: 80797
  - 16
    - IM driver Binding to specific NIC Hi, can I bind a NDIS IM driver to a specific NIC. I have 2 NIC cards on my system and i want to bind my IM filter driver to one of these NIC. and the other one should get connected to protocol driver bypassing our IM driver. Is it possible by any mean:- editing registry code in IM driver Inf files etc Thanks Gaurav Tag: Vist frame buffer driver Tag: 80794
  - 17
    - =?iso-2022-jp?B?VVNCQ0FNRF9CdWxrUmVhZFdyaXRlGyRCISEbKEJlcnJvcg==?= I am making usb video capture, mini driver like USBIntel. I would like to use bulk pipes. I used "USBCAMD_BulkReadWrite" as below. But USBCAMD_BulkReadWrite returned error 0xC000000D . this error may be STATUS_INVALID_PARAMETER. #define PIPEINDEX_EP1IN 0 #define PIPEINDEX_EP2IN 1 #define PIPEINDEX_EP4OUT 2 #define PIPEINDEX_EP3OUT 3 NTSTATUS EP3_TEST( IN PINTELCAM_DEVICE_CONTEXT pDC ) { NTSTATUS ntStatus; BYTE byDat[6]; ULONG length; byDat[0] = 0x06; byDat[1] = 0x30; byDat[2] = 0x01; byDat[3] = 0x03; byDat[4] = 0x01; byDat[5] = 0x00; mvcKdPrint (MAX_TRACE, ("%08X\n", pDC->UsbcamdInterface)); ntStatus = pDC->UsbcamdInterface.USBCAMD_BulkReadWrite( pDC, PIPEINDEX_EP3OUT, // IN USHORT PipeIndex, byDat, // IN PVOID Buffer, 6, // IN ULONG BufferLength, NULL, // IN PCOMMAND_COMPLETE_FUNCTION CommandComplete, NULL // IN PVOID CommandContext ); ... ) Please help me. Thanks in advance. Tag: Vist frame buffer driver Tag: 80793
  - 18
    - DbgPrint, vsprintf reentrant? Apology if this question is too basic ... is DbgPrint reentrant? What if a thread calls DbgPrint at passive and it gets interrupted by a DPC that again calls DbgPrint at dispatch? And same question about sprintf (or RtlStringCbVPrintfA). The following is pseudocode of debug print routine found in some driver: - find and lock a free buffer - sprintf to the buffer - DbgPrint it - release the buffer Will it work as is, or needs more protection or IRQL checking? Any insight greatly appreciated... Regards, --PA Tag: Vist frame buffer driver Tag: 80792
  - 19
    - Driver is not intended for this platform Hi all, I need some suggestions how to fix my XP 64 bits installation issue. I built a new driver and tried to install the driver on the clean XP 64 bits, the xp complains "Driver is not intended for this platform". If I use old build driver file, it installs fine. No complain. For your information, I use the same inf file and only the driver files are different. Does anyone know what I have done wrong on the first place? Thank you. Sincerely HS Phuah Tag: Vist frame buffer driver Tag: 80790
  - 20
    - how to modify serial number of usb device by usb filter driver? hi, I want to modify the serial number or PID/VID of my usb mass stroage disk. I try it by an usb class filter driver to capture the URB_FUNCTION_GET_DESCRIPTOR_FROM_DEVICE,then modify the data... But,It seems useless! how should I do? many thanks! Tag: Vist frame buffer driver Tag: 80788
  - 21
    - True type font height Hi, I am working with Text Rendering in Printers, In case of TrueType fonts, i need to send the Font Height before i select the font, can any body explain me from where i can obtain the font height ?? I tried with the various members of IFIMERICS structure, but i din't get the requred results. Tag: Vist frame buffer driver Tag: 80786
  - 22
    - USBD_STATUS_XACT_ERROR with High-speed isochronous transfers I have a high speed device that has a MaxPacketSize of 3072 (3x1024). When I start isochronous transfers, I get a lot of transfer with a USBD_STATUS_XACT_ERROR error. Looking at the USB trace with CATC, I do not show any errors. Does anybosy has a clue? Thanks, Olivier Tag: Vist frame buffer driver Tag: 80785
  - 23
    - Build a virtual webcam for DirectShow and VFW I have the problem, I am writing a virtual webcam (writing a filter), apps as yahoo, skype woring with DirectShow, so they can use my virtual wc, but Java (JMF) work with VFW, so it can n't use my virtual wc. I found an article at Microsoft's site, it is said that - Way 1 - We must develop a driver to support VFW - Way 2 - take full features of DirectShow to support VFW Any idea? Pls help me, thanks. Tag: Vist frame buffer driver Tag: 80784
  - 24
    - How to program APIC Timer Interrupt Hi, I wanted to hook APIC timer interrupt in my driver. What is the best way to do it? I would like to hook other interrupts like Performance Counter interrupts also in future. I didn't find any related information in DDK documentation. Any help appreciated. Thanks, RJ Tag: Vist frame buffer driver Tag: 80780
  - 25
    - Extending a Print Processor? I need to do a couple of things when a user prints. The first is to capture some of the print job information for auditing purposes, and the second is to display a form to get a billing code from the user. This will then be checked against our server to see if its valid, before allowing the print to continue. My understanding is that the best place to do this is in creating my own Print Processor. Is this the best option? I have looked at the example given in the Microsoft DDK - does it have to be programmed in C or C++? Can i do it with C#? Is there away of extending a Print Processor rather than replacing it, as some Print Processors installed probably do things that mine wont. I thought the best way of doing this was to create my own Print Processor, do what i need, then call the old Print Processor, but i have no idea how to do this in C or C++, or if its even possible!! Any help would be gratefully recieved!! Thanks. Tag: Vist frame buffer driver Tag: 80778

Hi All,

I have frame buffer driver works fine for WinXP. I test it under Vista
Beat 2 build 5384 and it won't work (error code 43). Does Vista
support frame buffer driver? I couldn't find frame buffer driver sample
code in WDK build 5384. Does that mean no frame buffer driver support
under Vista?

hyang

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