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- Previous
  - 1
    - Checked build Hi All, In MSDN, it is said that we require checked build version of operating system to test and debug the driver. By making changes in boot.ini(/debug) i was able to boot the system in checked buid(windows XP). But i found no difference between checked and release build as both of them takes same time to load. But in MSDN it is said that checked build will take long time to boot as compared to release build. does it mean that checked build can not be made just by chaning the boot.ini and i need to install the checked build operating system?If so,how do i install the checed build? As i did not find the checked build OS(XP) in the opeating system installation CDs. Would of great help if anyone could guide me how to proceed. Thanks, Senthil Tag: Print Data Tag: 64050
  - 2
    - Setting Driver Signing policy programatically Hi Ive read through the other posts and MS KB articles related to the setting of the driver signing policy. I cant determine if there is any way of setting this policy as we require. We have a large number of PCs (with no KB and no monitor) in remote, often non-networked environments. All installations at the sites must be unattended (bar insertion of a CD and pressing a proprietry interface button). These machines have a large range of periphial devices attached. Some of the devices are proprietary (and have signed drivers), others are from 3rd parties (and are both signed and unsigned). Historically we have installed all the SW on these machines from scratch each time we need to install anything (even a single msi). We have been able to do this by setting the driver signing policy in either unattend.txt (for standard installs) or sysprep.inf (for sysprep'd drive images). We are now in an XP Pro SP2 environment and have a need to (occasionally) install unsigned drivers after an initial installation has been completed. This can occur days or months after the initial deployment. For example, a new device is plugged into the unit and we need to install the SW / drivers for just that device. We were previously able to set the driver signing policy using the regsitry or rather we used SECEDIT and GPUPATE. As the machines are often not on a domain (or even networked) setting the domain policy is not an option; we need to set it locally. The customers who own the units are not prepared to have driver signing permanently switched off. If SECEDIT or GPUPDATE are used now (to either set the policy to "ignore" or to "block", then we get the error logged in setupapi.log (as described in 298503). "Permachine codesigning policy settings appear to have been tampered with. Error 13. The Data is invalid" Default of 1 restored to policy. This appears to indicate that we cant set the policy to "block" or "ignore" it will always go to "warn" if you try to programatically set it. Whilst I understand the reasons for tightening up on this setting we have a definite need to bypass this standard security for our business. For new devices and our own devices we now insist on signed drivers. We are still left (for now) with many legacy devices with unsigned drivers. The only solution I have just now is to spy for the warning windows and fire keypresses at the dialogs. Obviously this is less than ideal. Any help or comments appreciated. Tag: Print Data Tag: 64048
  - 3
    - How to delete system file in WinXp 64bit platform? Dear Sir, In WinXP 64bit platform, when I use DeleteFile function to delete c:\windows\system32\drivers\a.sys ,it can not delete successfully , the error code is 2(GetLastError ,means can not find the file, but the file is in the folder), I guess the system protect the system folder ,then how can I delete the files in the system folder ? 3ks! Tag: Print Data Tag: 64036
  - 4
    - Programming style... originated in the java corner, i have some difficulties to adapt the programming style used in the platform sdk and the ddk. therefore i'd like to know what you think about the way i handled some things. 1) device interface GUIDs not defined in a global header: i tried to find the GUID of disc type devices which are part of the mass storage device group. because i didn't find any, i looked up the GUID value stored in my registry and defined it in my app. is this a bad habit or can i assume that this GUID never changes in further versions of ms win? 2) error checking: SetupDiGetClassDevs and many other functions return a specific value if they fail. so should i check for failure although such case is impossible? e.g. SetupDiGetClassDevs with GUID_DEVINTERFACE_VOLUME should never fail. i ask because useless failure checks make the code unreadable. Tag: Print Data Tag: 64033
  - 5
    - Renaming a file The FILE_RENAME_INFORMATION structure has a RootDirectory field that may be non-NULL RootDirectory If the file is not being moved to a different directory, or if the FileName member contains the full pathname, this member is NULL. Otherwise, it is a handle for the root directory under which the file will reside after it is renamed. However, my testing so far has failed to create a non-NULL RootDirectory. I'd like to test my code that will handle this case, but I've not been able to create one . On NTFS file systems: Moving files between Directories with DOS does not do it. Moving files with Explorer does not do this. Rename from DOS does not support moving files between Directorys. Can anyone tell me how to cause this to happen ? -- Gak - Finecats Tag: Print Data Tag: 64032
  - 6
    - Keyboard extension Hi. Some month ago I bought a keyboard with a function button. Product: Luminous III Manufacturere: Sharkoon in Germany Please look at: http://www.sharkoon.com/enghtml/input.htm#key3 When I press the new function button "Fn" together with F11 the keyboard is locked so nobody can use it until i unlock it with the same keys. Using the media player i can increase and decrease volume using FN and F9 / F10. What i now like to do is writing a new driver / an extension so i can decide what to do when a shortcut like the two obove is pressed. The reason why i want to do this is, that there's no existing driver i know i can use. I read some articles in the MSDN but i need some examples. Thanks for informations Kai Gillmann Tag: Print Data Tag: 64017
  - 7
    - I am new to driver develop I write a lan card driver for my FYP i want to ask , Do it mean that i have to use DDK suite Is there have any product can replace it? Tag: Print Data Tag: 64007
  - 8
    - Firewire for Windbg. brand important? Hi all, the machine i bought for debugging drivers does not have firewire, and i'd like to add a PCI board with firewire ports. are there boards that are known not to work for debugging? or doesn't it matter what brand of board I buy? kind regards, Bruno. Tag: Print Data Tag: 64000
  - 9
    - 64-bit AMD Hello This is related to filter display driver. Here i am trying to load a data file using EngLoadModule function after that to read from that file i am using EngMapModule function. This is working fine in case of 32 bit but on 64 bit AMD it crashes. It is giving excess violation error at the EngMapModule function. Please if any body can help me on this. Thanks gaurav Tag: Print Data Tag: 63988
  - 10
    - Formatted ramdisk Friday, May 27, 2005 Hi, I have modified the ramdisk sample driver to map a reserved memory (Booit.ini /burmemory=128). I also saved a NTFS formatted disk image file that I load during the initialization of my driver so I do not have to format the 128 MB ramdisk every time Windows boots. This works fine on Windows NT, 2000, 2000 SP1,2,3. When I installed the driver in Windows 2000 SP4, Windows prompts me to format the disk even after my driver loaded the formatted disk image. I can format the ramdisk (NTFS) successfully. However I do not want to format the ramdisk manually after every boot. Why Windows 2000 SP4 does not recognize that the disk is already formatted? Is there a way to format the disk NTFS in the driver Thanks, Daniel Tag: Print Data Tag: 63980
  - 11
    - USBSTOR.sys 5.1.2600.1106 Anyone know how to turn on debug output in this version? In 5.0 you could play with USBSTOR!USBSTOR_DriverGlobals in the kernel debugger. It seems to be missing in this version. Thanks in advance! -Chad Tag: Print Data Tag: 63977
  - 12
    - test test Tag: Print Data Tag: 63976
  - 13
    - Unknown Manufacturer Unsuported Device Driver Type XP Pro SP2 I have previously used the above device type to provide support for Minolta Dimage Scan Dual Film Scanner, once installed as this device type the associated software can find and use the scanner, I have done this many times on Intel based machines under W2K and XP Pro & XP Pro SP2 I have recently purchased and AMD64 based machine and installed XP Pro and the driver type no longer exists, it is also missing after installing SP2, is this device type only available on intel based PCs or has it been withdrawn form current XP distributions ? Is there a way arround this problem ? Thanks Cybersloth Tag: Print Data Tag: 63972
  - 14
    - multimedia LPS I know this is not the right group, but I'm sure someone here can point me to the correct group or give me some help. I'm looking for more information on the multimedia "LivePlaybackSystem". This page implies it's a set of programs, but I've also herd it's just C# code and you need to roll it into your own app. Either way I'd like to get ahold of it. http://www.microsoft.com/windows/windowsmedia/content_provider/broadcast/profiles/liveplaybacksystem.aspx#Top Any typically the e-mail link on the page generates "550 host not found" . Any clues? Any MSFT people here know where to point me? Dave August Tag: Print Data Tag: 63970
  - 15
    - How to make sure a Service starts BEFORE a user logs on? Hi: I have a regular Windows Service program (not a kernel driver) which must start BEFORE a user logs into his machine (XP or W2K). It works most of the time, but sometimes, I noticed that it started AFTER I log on the machine; especially if I logged in the machine fast right after a reboot. Is there a way in the service program, I can do something to make sure that, after reboot, the service starts before a user logs in the machine (no matter how fast the user is trying to complete his logon process)? Thanks In Advance ! Polaris Tag: Print Data Tag: 63962
  - 16
    - debugging related question Hi all, is it legal to let the Power management dispatcher function always return STATUS_UNSUCCESSFUL? i am finishing the pnp handling of my first driver, and i'd like to debug that separatly from power management. kind regards, Bruno. Tag: Print Data Tag: 63961
  - 17
    - how to install a custom version of ndisuio.sys Hi all, i'm working on a device driver for the first time ever - a bit out of my depth here, and i would appreciate anyones help ... I'm trying to make a copy of the ndisuio.sys device driver supplied with the winxp ddk, as suggested here http://www.ndis.com/pcakb/KB01010301.htm I've compiled a new version of the driver as directed in the above page seemingly without any problems. this is called ndisvi.sys. The problem i'm having is that i can't get it to install. I've copied it into the \windows\system32\drivers directory and updated the .inf file as suggested (see below). when i try to install it (from network connection->properties->install->protocol->add->have disk) i get the following error message: 'The specified location does not contain information about your hardware' any suggestions would be much appreciated, Chris ----------------------------------------------- [version] Signature = "$Windows NT$" Class = NetTrans ClassGUID = {7B1707CC-4E47-4691-9B44-61EDD981E9D8} Provider = %Msft% LayoutFile = layout.inf [Manufacturer] %Msft%=MSFT [MSFT] %NDISVI_Desc%=Install, NDISVI ;------------------------------------------------------------------------- ; Installation Section ;------------------------------------------------------------------------- [Install] AddReg=Inst_Ndi Characteristics=0x28 ; NCF_HIDDEN | NCF_NOT_USER_REMOVABLE CopyFiles=CpyFiles_Sys ;------------------------------------------------------------------------- ; Ndi installation support ;------------------------------------------------------------------------- [Inst_Ndi] HKR,Ndi,Service,,"Ndisvi" HKR,Ndi,HelpText,,%NDISVI_HelpText% HKR, Ndi\Interfaces, UpperRange,, noupper HKR,"Ndi\Interfaces","LowerRange",,"ndis5,ndis4,ndis5_uio" ;------------------------------------------------------------------------- ; Service installation support ;------------------------------------------------------------------------- [Install.Services] AddService=Ndisvi,,NDISVI_Service_Inst [Ndisuio_Service_Inst] DisplayName = %NDISVI_Desc% ServiceType = 1 ;SERVICE_KERNEL_DRIVER StartType = 3 ;SERVICE_MANUAL_START ErrorControl = 1 ;SERVICE_ERROR_NORMAL ServiceBinary = %12%\ndisvi.sys LoadOrderGroup = NDIS Description = %NDISVI_Desc% [Install.Remove.Services] DelService=Ndisvi ;------------------------------------------------------------------------- ; Declare Destination Directories for file copy/deletion ;------------------------------------------------------------------------- [DestinationDirs] CpyFiles_Sys = 12 ; DIRID_DRIVERS ;------------------------------------------------------------------------- ; Files to Copy/Delete - Referenced by Install and Remove sections above ;------------------------------------------------------------------------- [CpyFiles_Sys] Ndisvi.sys,,,2 [Strings] Msft = "CSM" NDISVI_Desc = "NDIS Usermode I/O Protocol (VI)" NDISVI_HelpText = "A driver to support user-mode I/O on NDIS devices" Tag: Print Data Tag: 63950
  - 18
    - Difference between CreateFile & Com_Open Hi, For a serial port device like modem, can any one please tell me the difference between the APIs CreateFile(), COM_Open() and HWOpen(). Thanks, Arsalan Tag: Print Data Tag: 63945
  - 19
    - NDIS and memory 2 Hi all, Is it possible to use paged memory in NDIS drivers? I found ExAllocatePool in list of prohibited functions and ExAllocatePoolWithTag in list of discouraged functions and both NdisAllocateMemory and NdisAllocateMemoryWithTag allocate only nonpaged pool. Does it mean that paged memory shouldn't be used in NDIS drivers? Thank's for answer Michal Tag: Print Data Tag: 63937
  - 20
    - How to enumerate USB Mass Storage devices? hello. i'm working on a hobby project for my own mp3 (usb mass storage) player and try to enumerate all usb mass storage devices currently connected to my computer. i've been working on this quite a while because i can't get through the msdn efficiently enough. i planned to identify my player like this: 1) enumerate all disks (by SetupDiEnumDeviceInterfaces in conjunction with guid GUID_DEVINTERFACE_DISK) 2) find out those who are mass storage devices (IOCTL_STORAGE_GET_MEDIA_TYPES_EX) 3) get each mass storage device's partition info 4) get a handle to the volume i chose the method above because i wanted to avoid a low level enumeration through the usb hubs. now i'm stuck with step 2 because i don't know how to find out the correct buffer size, needed by DeviceIoControl for the IOCTL_STORAGE_GET_MEDIA_TYPES_EX flag. the documentation didn't explain a proper use any further. so i wonder if any veteran can give me a hint, how to find out the buffer size. thanks. wan-hi Tag: Print Data Tag: 63927
  - 21
    - Serious problem with IO manager and device removal Hi All Scenario: i)PnP NIC PcCard USB driver with an IO manager interface created with NdisMRegisterDevice(). ii)Application opens device with CreateFile() and gets a valid handle. iii) Stop NIC driver with Safely Remove Hardware. (Driver Halt function gets called and devext is freed) iv) Application calls DeviceIoControl() on the STILL VALID HANDLE. v) NIC driver image stil in memory, so IOCTL handler called which refgerences the now invalid devext. vi) CRASH. Now, to quote the DDK: "Note that, if a handle to the device object created with NdisMRegisterDevice is open, the driver that created the device object cannot be unloaded." Oh yeah, even NdisMDeregisterDevice() returns 0 if an application still has the handle open. And further: "Before opening a handle to the device object, a user-mode application should therefore register for device event notification, specifying GUID_NDIS_LAN_CLASS as the interface class GUID. On receiving a DBT_DEVICEQUERYREMOVE device event for the device object, the application should close the handle" So it is up to the good behaviour of an application to controlll wether the kernel crashes or not. Hmmm not a very good idea. I suggest the IO manager returns INVALID_HANDLE_VALUE if the device got unloaded and an app calls an IO manager function on it. Tag: Print Data Tag: 63924
  - 22
    - Trying to get an IM filter driver to bind to my IM MUX driver at install time Hi, I've got an NDIS IM MUX driver, which is based on the MUX sample in the W2k3 DDK. I'm trying to get an IM filter driver to bind to this, at *install time*. This filter driver is bound to the physical miniport before install (along with TCPIP, MS Client, File & Printer sharing). I've built the MUX notifyob with "DISABLE_PROTOCOLS_TO_PHYSICAL" defined, so ideally, i would expect that after the install, all the protocols that were bound to the physical NIC should now be bound to the MUX miniport. Unfortunately, the filter driver is not bound to it (incidentally, neither is the nlbs driver). I can bind the filter driver after the install, manually from the UI, by checking the box on the MUX miniport, so there isnt anything in the NDIS upperRange or lowerRange to prevent the binding from happening. I've stepped through the notifyobject in the debugger (from breakpoints in SysQueryBindingPath, and NotifyBindingPath) to see if the notifyob ever even got the binding paths with the filter driver in it. I didnt see any. The filter driver's protocol inf has the following interesting lines: 1. [ndi] Characteristics = 0x4490 ; NCF_NDIS_PROTOCOL | NCF_HAS_UI | NCF_FILTER | NCF_NO_SERVICE 2. [AddReg] HKR, Ndi, FilterClass, , failover HKR, Ndi\Interfaces, UpperRange, , noupper HKR, Ndi\Interfaces, LowerRange, , nolower HKR, Ndi\Interfaces, FilterMediaTypes, , "ethernet, nolower" Why isnt the filter drivers binding paths showing up in the notifyob methods ? Alternatively, is there any other way to programmatically bind the filter driver to the MUX driver ? (This is what i really want to achieve) Thanks, Gaurav Tag: Print Data Tag: 63920
  - 23
    - Design considerations of usbhub.sys, usbehci.sys.... Hi, About usbhub.sys, usbehci.sys, usbohci.sys, usbuhci there is no documentation available in the DDK. Any help / Any articles regarding the usbhub.sys & usbehci.sys architecture, design considerations (codelevel), URB management, URB queueing, URB Chaining, handling Isochronous & Bulk devices and any other code level architectures? Thanks, Shravan Tag: Print Data Tag: 63907
  - 24
    - IOCTL ATA PASS THROUGH.. my task is to copy the 'My Doucments' folder to a specified partition on my local hard disk (using win xp - sp2) Has anyone been able to obtain sample code for this or Any info or directed/related links greatly appreciated. Many thanks in advance. Meyya Tag: Print Data Tag: 63897
  - 25
    - Printer driver woes I'm using the bitmap driver sample from the LDK, and am running into a few problems. All I want to do is take the individual scan lines and pass them to an existing DLL that then does some processing. I can't seem to get the FilterGraphics method to get called. I'm return S_OK in the GetImplementedMethod, but no joy. Any hints on how to get that method called would be most appreciated. Since I can't get FilterGraphics working, I've been using ImageProcessing. I've set the PinsPerPhysPass and PinsPerLogPass commands in the GPD to 1, 8, 16 and several other variations, but I always get the same pSrcBitmap sizes when ImageProcessing is called. How do I tell it to only send me one scanline at a time? -- Floyd Tag: Print Data Tag: 63896
- Next
  - 1
    - DrvTextOut/DrvSendPage overlap Hi, I have written a monolithic printer driver. There is a problem when using MS-Office applications and printing with the my driver. My driver defines fonts that are resident in the printer. Most of the time, the driver works fine using MS-Word and selecting the printer fonts. However, occasionally, the page is terminated too soon. I have narrowed it down to where my DrvTextOut is interrupted (has not hit the return statement yet) by a call to my DrvSendPage (same PDev too). This seems to happen totally random. How can this happen? What should my driver do in this case? It seems like a bug with MS-Office, but I've never heard of it. Any ideas? Please? I'm getting deperate. Thanks Tag: Print Data Tag: 63890
  - 2
    - How do I determine modem type? Hi, If I'm looking at modem entries in the registry (class "Modem"), how can I determine the modem's physical connection to the system? For example, how can I tell if a specific modem is connected through PCI, USB, IR, Bluetooth, etc.? I noticed that the "MatchingDeviceId" value (SPDRP_HARDWAREID) usually has the correct type in it, but a few modems seem to be misleading. For example, I have a PCMCIA modem that seems to think its a USB device (apparently it implements a USB hub inside the card, but its not available externally). Is there some other way to determine the physical connection type? Thanks, Ed. Tag: Print Data Tag: 63885
  - 3
    - USB Video Capture frame rate drop after Standby/Wake-up cycle Our USB Video Capture device running on XP on USB 2.0 runs at 30 fps. However, if we put the system into Standby mode while capturing a video (either capturing to file or simple video preview) then when the system awakes the video capture resumes but at a frame rate which now fluctuates around 24fps and goes as low as as 22 fps. It is visibly slower - not just a quirk in frame-rate reporting. This reduction in frame rate is not cumulative. i.e. if we repeatedly go into Standby mode and reawaken it remains at around 24fps. The framerate can be is restored to 30fps by simply stopping and restarting the video capture application. The problem does not occur if we attach our device on a USB 1.1 port; the framerate then remains constant through Standby/Wake-up cycles. We have tried to test this on other vendor's USB video capture devices to determine if it is a problem in our drivers but to date have not yet found one that can survive running an application through a Standby/Wake-up cycle without other, far more serious problems. Any assistance, or redirection to a more appropriate forum would be appreciated. Steve Thorpe Tag: Print Data Tag: 63884
  - 4
    - OID_802_11_BSSID_LIST_SCAN I try to get signal strength and MAC's of all access points in user-mode. I try to make it without NDISUIO writing in pure C. I made a little app which uses WMI and Setup Api to find wireless network card. Unfortunately I do not know how to SET OID_802_11_BSSID_LIST_SCAN oid. Passing it to DeviceIoControl with IOCT_QUERY_GLOBAL_STATS returns FALSE and error: "50. The network request is not supported." ERROR_NOT_SUPPORTED". Although using only the query: OID_802_11_BSSID_LIST seems to work (list refreshes itself) but e.g. when I run Netstumbler (during work of my app) DeviceIoControl fails and getlasterror() shows error: "31 A device attached to the system is not functioning. ERROR_GEN_FAILURE ". And the most irritating thing is, that Netstumbler sees more access points than my programm. help..... -- Thanks, Wojtek E-mail hint: add [usenet] to the subject "Ipsa scientia potestas est." Tag: Print Data Tag: 63878
  - 5
    - Remove one of the prefered networks in Wireless Connections Hi, In "wireless network connection properties" there is "wireless network" tab that has a list in the prefered networks box. Is there an API to remove one of those entries ? I have heard of IProvisioningProfileWireless that may help to create one, but did not see anything that is related to remove. Thanks, Gilad. Tag: Print Data Tag: 63862
  - 6
    - Implementing HideStandardUI Hi. Newbie question: What do I have to do to be able to implement the HideStandardUI-method? I have tried to change to inherited interface to IPrintOemUI2 instead of IPrintOemUI, but that doesn't seem to work as I get a compilation error. /Erik Tag: Print Data Tag: 63861
  - 7
    - NDIS: Ethernet checksum Hi all, I'm interested in following questions. Who is in charge of ethernet frame's checksum? It means if I change ethernet frame in my NDIS IM, will I have to "repair" checksum too, or it is done in underlying miniport? Thank's for answer Michal Tag: Print Data Tag: 63854
  - 8
    - user unable to print on windows 2000 cluster via port monitor. Hi I have written a cluster aware port monitor. It works fine in a normal environment. BUT when it is used on a Windows 2000 cluster, only users with Administrator rights can print!! Normal users fail to print..... Looking at my debug it seams that the monitor is failing on reading the cluster registry when the 'normal' user is attempting to print. Now I thought this was left to spooler /portmonitor, not to the user permissions. What I am asking is :- 1. Have I made a mistake in the configuration of the culster? with user permissions etc. or 2. Have I missed something in the port monitor its self? I have been trawling through the msdn documentation but have come up with nothing. Any tips would be welcome as its driving me mad. Cheers Tag: Print Data Tag: 63849
  - 9
    - PC won't boot if my device is connected to the USB port Hi, Please would anyone tell me what could be the problem when the PC stops booting when we have the device(a phone) connected to the PC. when i plug the device out of the PC the booting resumes. It does not happen all the time. It is mostly likely to happen when we restart the PC with phone connected. If we do a shutdown and then boot it is less likely or does not happen. This is not specific to any Windows version. happens both on XP and 2k as well. Is it trying to boot from the phone? Any idea?? , thanks, mridu Tag: Print Data Tag: 63848
  - 10
    - where is USBVideo.sys? Hi, The DDK says that UsbVideo.sys ships with XP SP2. I have SP2 but on UsbVideo.sys. Please let me know where to find it or download it. Thanks. Tag: Print Data Tag: 63844
  - 11
    - One more bug - please vote http://lab.msdn.microsoft.com/ProductFeedback/viewFeedback.aspx?feedbackId=FDBK28013 -- http://www.cristalink.com Tag: Print Data Tag: 63840
  - 12
    - NDIS and Memory Hi all, I'm not sure in following question ... Is it correct to use ExAllocatePool( PagedPool, size) in NDIS IM (in part running at PASSIVE_LEVEL) or there is an other Ndis specific function? Thank's for answer Michal Tag: Print Data Tag: 63838
  - 13
    - AVStream : Remote controller (IR) Dear All, I am developing an AVStream device driver for an MPEG2 USB box. Now I want to implement the remote controller (IR) function. But I don't know what kind of device drivers (HID, IrDA NDIS and etc) should I implement? Where could I get remote controller (IR) sample driver codes? Any comments are very appreciated. Thanks, Edward Tag: Print Data Tag: 63836
  - 14
    - Does exist this file on disk ? Is possible to verify in kernel mode if some file on disk exist without calling InitializeObjectAttributes() and ZwCreateFile() and controlling result status ? Does exist some method for enumeration files in directory without using ZwCreateFile() ? Peter Tag: Print Data Tag: 63835
  - 15
    - question about still image capture device definition. Hi, We are developing usb2.0 camera. Now, i have some question want to confirm: first, If my usb camera's firmware writted according to Still image Capture device class and i want to capture an image from WIATEST or TWAIN application, what should i do in PC side? Should I writte user mode driver or some dll linking to application? second, If my device is standard still image capture and i want to provide a set of API to customer, what document should i refer? Best Regards Tag: Print Data Tag: 63825
  - 16
    - keyboard filter driver Hi, Currently iam doing a keyboard filter driver based on kbfiltr example from ddk. My objectives are to 1. Insert multiple keystrokes from a single key press. For example, when user press <a> i must send it as <SHIFT><F1> in the same context of <a>. 2. Drop and remap multiple keystrokes. For example,when user press <ALT><F2> I must send it as <b> In my previous post,Mr.Doron suggested me the following for my 1 objective. >>>>>>>>>>>>>>>>>>>>>>>Doron's post>>>>>>>>>>>>>>>>>>>> >> if this is with in the context of <a> being reported to your own callback, >> just declare a KEYBOARD_INPUT_DATA array on the stack, initialize it, then >> call the upper service callback with the new keystrokes, then finally report >> <a> using the caller's buffer. >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> I tried to execute what Doron told,and in the usermode application trace, iam getting <SHIFT><F1><F1><F1><F1><F1><F1>...... where <F1> goes infinite. Can anyone plz tell me where iam doing wrong ? below is my code. Please give me some suggestions or reference for my 2 objective too. Thanks for the patience shown to read this on. >>>>>>>>>>>>MY CODE >>>>>>>>>>>>>>>>>>>>>>>>>>>>> VOID KbFilter_ServiceCallback( IN PDEVICE_OBJECT DeviceObject, IN PKEYBOARD_INPUT_DATA InputDataStart, IN PKEYBOARD_INPUT_DATA InputDataEnd, IN OUT PULONG InputDataConsumed ) { PDEVICE_EXTENSION devExt; ULONG i=0,j=0; KEYBOARD_INPUT_DATA data[1]; devExt = (PDEVICE_EXTENSION) DeviceObject->DeviceExtension; i = (ULONG)((PCHAR) InputDataEnd - (PCHAR) InputDataStart); for(j=0;j<i;j++) { if(InputDataStart[j].MakeCode != 0) { switch(InputDataStart[j].MakeCode) { case 0x1E: // If scancode for <a> data[0].UnitId = 0; data[0].MakeCode = 0x2A; // Left Shift data[0].Reserved = 0; data[0].ExtraInformation = 0; if(InputDataStart->Flags == KEY_MAKE) data[0].Flags = KEY_MAKE; else if(InputDataStart->Flags == KEY_BREAK) data[0].Flags = KEY_BREAK; (*(PSERVICE_CALLBACK_ROUTINE) devExt->UpperConnectData.ClassService)( devExt->UpperConnectData.ClassDeviceObject, data, data+1, InputDataConsumed); InputDataStart[j].MakeCode = 0x3B; // F1 break; default: break; } } } (*(PSERVICE_CALLBACK_ROUTINE) devExt->UpperConnectData.ClassService)( devExt->UpperConnectData.ClassDeviceObject, InputDataStart, InputDataEnd, InputDataConsumed); } >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Tag: Print Data Tag: 63824
  - 17
    - Is anyone familiar with the sonydcam.sys sample? Hi, I have a 1394 camera that is IIDC (DCAM) compliant. I would like to connect this camera to a DirectShow based viewer, but the camera does not have a WDM driver. Apparently, the Windows DDK has a sample called 'sonydcam.sys', which I believe is a WDM Stream Class driver. Unfortunately, when I tried connecting the camera using the associated 'image.inf' file it did not work. Obviously, I'm new at this and would like to ask the following questions: Questions: 1. Is the sonydcam.sys file a WDM Stream Class driver for DCAM cameras? 2. If it is a WDM driver, can I modify the image.inf file in some way so that it would recognize my camera as 'Generic'? 3. To view the camera with a DirectShow app, do I need more than the sonydcam.sys file? Thanks for any help. RickL Tag: Print Data Tag: 63822
  - 18
    - Converting 32bit drivers to 64bit Is there some kind of conversion tool to change 32bit driver to 64bit driver. I heard there was some way to change it manually but dont know if it's possible. Thank you Eric Tag: Print Data Tag: 63817
  - 19
    - Filter Hook Driver and NAT I have written a application based on the Windows 2000 Filter Hook Driver. Basically the application was designed to run on a Windows 2000 server with two Network interfaces. It monitors traffic between the two interfaces and enforces security, performs proxy redirection, etc. When the Windows 2000 Server is configured for routing mode and both interfaces have real address subnets (in other words Network Address Translation (NAT) and Internet Connection Firewall (ICF) are not enabled), the hook correctly works and our application receives the packets (header and payload). However, when NAT or ICF is enabled (the network we are checking security on does not have real addresses) the Packet pointer (payload) passed to us is NULL. Therefore we can not look at the rest of the packet to make a determination of what we should do. See this link for the call back function description (parameter two is the one that we are not getting): http://msdn.microsoft.com/library/en-us/network/hh/network/fltrhook_cb402c5c-f5db-498b-8db6-c2994bbf7870.xml.asp Why does the behavior of the Filter Hook Driver difer betwen NAT and routing mode? I would think the behavior should be the same regardless. Tag: Print Data Tag: 63808
  - 20
    - Irp->IoStatus.Status vs return value? Hi All, What is the difference between setting Irp->IoStatus.Status and the Dipatch function return value? I have a little trouble seeing the difference between those, as they seem to fulfil the same functionality, ie telling the system about the status of the Irp. kind regards, Bruno. Tag: Print Data Tag: 63791
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    - USB COM port as Serial port Hi All, Here is my problem. I have a USB modem which is exposing COM port with help of usbser.sys. Everything works fine with microsoft Dial up connectoid. When I am trying to use the USB COM port as normal serial port interface through serial IOCTLs it fails. I am accessing the port from my WDM driver. I am able to get the device object pointer of the port and able to dereference the same, but I am failing in configuring the port like set baudrate. Can I use this USB com port exposed in modem as normal serial port interface. Waiting for expert's comments. All your comments are welcome. Thanks in Advenace, Cyril Tag: Print Data Tag: 63784
  - 22
    - rundll32 printui.dll,PrintUIEntry Question I did a setup program in VB to install a printer driver using rundll32 printui.dll,PrintUIEntry for a silent installation. When trying it on a PC with Windows 2000 Professional just installed, it seems to have a problem installing. We installed a previous version of our driver and it created the folder C:\WINDOWS\system32\spool\drivers\W32X86\3 and then the setup program worked with the new driver. It seems to be unable to create the "\3" folder. It only works when that folder exist. I would like to know what is the "\3" folder and what creates it in a printer installation. -- Mario Tag: Print Data Tag: 63782
  - 23
    - using devcon or dpinst for serial driver install I'm running a windows XP system with 2 standard serial ports. I have a proprietary driver (Mydriver.sys) that i want to install with DPInst on just one of the COM Ports. Both ComPorts however use the same Device ID ( *PNP0501), so DPInst will automatically install the driver for both COM Ports. Is there a way to install the driver for just one of the com ports? Would it be better to use devcon? Tag: Print Data Tag: 63779
  - 24
    - Unloading driver Hy All, I've made a Pnp driver that I can load / unload in normal conditions (I can see that the module is unloaded when I disable the last device using that driver). The thing is that my driver is also a bus driver. And once the child driver has been plugged, loaded and unloaded (everything seems ok there), when the the bus driver is disabled, the device is correctly removed but the module is not unloaded (and I then have to reboot in order to update the .sys). Any hint on what could be stuck somewhere in my stack that could prevent the driver from being unloaded although both chil and bus devices are unloaded???? Many thanxes in advances, Francois. Tag: Print Data Tag: 63770
  - 25
    - WIA Scan minidriver--WHQL(ACPI) Problem I am facing a problem in WIA minidriver for Scanner through USBScan channel. I have used the sample WIA scan minidriver sample provided in DDK and modified the device communication part with USB scan. My minidriver works perfectly fine and scanning can be performed through WIA dialog, WIA enabled application (Adobe Photoshop) and TWAIN enabled application like (MS WORD, Kodak Imaging etc). But the WHQL test fails in ACPI scanner. I have tried my level best to solve this issue of WHQL but unable to get any clue. If you gurus are helping me out in this regard it will be a great help to me. Any clue in this regard will be greatly appreciated. I am attaching the Logs along with this mail. Hope to get a help from you all. Regards, Deb. Tag: Print Data Tag: 63753

Hallo,

I want to write a monitoring-tool, which gets all print jobs in a
device-independent format and can be used with all printerdrivers.
I took some looks on print processors and print providers, but i am not
sure, if thats what i'm looking for.

TIA,
Matthias

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RE: Print Data by Kiran

Kiran
Fri Jun 03 05:35:02 CDT 2005

What did you mean by "device-independent format" ? I guess you meant all
printers irrespective of vendor.
You can enumerate all the printers and enumerate jobs for each printer to
get all the jobs at any instance.
You can use FindFirstPrinterChangeNotification,
FindNextPrinterChangeNotification, functions with PRINTER_CHANGE_ADD_JOB as
change option. to monitor continously along with wait functions. Refer MSDN
for usage.

-Kiran

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