CM_Reenumeration_DevNoe in Win98

TheMSsForum.com: The Microsoft Software Forum

The MSS Forum ‹ Drivers
- Archive
  - Biz
  - MCSE
  - CRM
  - Drivers
  - Framework
  - ADO
  - ASP
  - Compact
  - Forms
  - Dotnet
  - C#
  - VB
  - FontpageGen
  - Excel
  - WorkSheet
  - Exchange
  - Setup
  - Fox
  - Fontpage
  - ASP
  - IIS
  - Entourage
  - Money
  - Messanger
  - PocketPC
  - Powerpoint
  - Project
  - Publisher
  - Excel
  - VB
  - Security
  - Portal
  - Services
  - SQLServerDev
  - SVCS
  - SQLServer
  - VB
  - VC
  - MFC
  - ExcelGen

- Previous
  - 1
    - about iscsiprt Hi,all: I want to write a virtual scsi disk,and i want to attach this disk to PDO which created by iScsiport0,but i don't know how to notify iScsiport0 there is a new device arrived,How can i notify iScsiport0? Thanks a lot Shumin.Xie 2005.1.11 Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57463
  - 2
    - StorePort routines or CreateFile/ReadFile/WriteFile Hi, I am trying to write a little diagnotstic program that issues bunch of ATA commands to IDE HDD for testing purpose. I happened to find a bunch of StorePort routines in DDK documentation, which also does read/write to the port. I am wondering which is proper way to comminicate with ATA devices, such as excersising ATA command, passing CDBs to the devices and configuring DMA mode. Thanks a lot! Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57460
  - 3
    - irq&irql Hi, I'm trying to understand irq and irql. I used softice to observe my system and found the following: Interrupt irq irql A 3 4 B 4 9 Suppose When I run ISR for interrupt A(irq=4, irql=9), interrupt B comes. From CPU point of view, B, which has a higher priority, can interrupt A. But from Windows point of view, the irql of B is 4 which is less than current irql of A(9). Therefore, B can't interrupt A. What does HAL do for this case? Thanks, Min Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57458
  - 4
    - can't see TDI_SEND_DATAGRAM called HI.... I'm analyzind a TDI filter.... I like to trace the calls going through the filter and functions that gets called... to do so I have simple client/server TCP and UDP apps... when Testing the TCP app I can see that TDI_CONNECT and TDI_SEND gets called in the InternalDispatchTable.... However when Testing the UDP app I can't see the TDI_SEND_DATAGRAM called (though app is working)..... However when Windows Services.exe runs (in the background) TDI_SEMD_DATAGRAM is called..... why is that?????????? 1. does this depends on how exactly the upper layer application makes the socket/send call???? 2. How many different ways do we have to make that call?? 3. What exactly is the difference between FsContext and FsContext2 fileds are in the File Object???? 4. The EventType filed in PTDI_REQUEST_KERNEL_SET_EVENT structure returns 2 and 10... what exactly are they?? would very much appreciate your feedback. Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57453
  - 5
    - USB PortStatus During DispatchCreate Does any one know what can cause the PortStatus from IOCTL_INTERNAL_USB_GET_PORT_STATUS to NOT return USBD_PORT_ENABLED. I'm trying to check the Port status when opening my USB Device \\Device (pFileObject->FileName.Length == 0). Under some circumstances I get a USBD_PORT_CONNECTED but !USBD_PORT_ENABLED. I'm trying out simply sending a IOCTL_INTERNAL_USB_RESET_PORT in this case. But I'm curious to try to reproduce this under a more controlled situation than just waiting for it to occur. The only way I've been able to reproduce this is plug/unplug/plug quickly. Thanks for any information Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57450
  - 6
    - Implementing WMI support for scsi miniport driver James, Thanks for getting back so soon. I just have a too long of the holiday. First of, > Have any of your WMI routines been called? Nop. I implement only two functions (out of six wmi functions) (QueryWmiRegInfo, and QueryWmiDataBlock) and none of these two function got called. In particular, have you built > (perhaps as your own call from HwScsiFindAdapter) your WMILIB structure, > which specifies your WMI routine entry points? Typically this structure > would be hung off (pointed to by) your adapter (device) extension. Yes. I stare at this structure many times and still could not find any error yet. { ... WmiLibContext = &dvx->WmiLibContext; WmiLibContext->GuidList = A154xGuidList; DebugPrint((1," GuidCount: %d\n", A154xGuidCount)); WmiLibContext->GuidCount = A154xGuidCount; WmiLibContext->QueryWmiRegInfo = A154xQueryWmiRegInfo; WmiLibContext->QueryWmiDataBlock = A154xQueryWmiDataBlock; WmiLibContext->SetWmiDataItem = NULL; WmiLibContext->SetWmiDataBlock = NULL; WmiLibContext->WmiFunctionControl = NULL; WmiLibContext->ExecuteWmiMethod = NULL; } Further, > has your HwScsiStartIo been called with any WMI-type SRBs? Has your WMI > Query Registration routine (which would be specified in the WMILIB > structure) been called? Nop. I 'debugprint' a string showing the SRB function everytime StartIO starts. None is showing WMI function request. > > Next, do another '!analyze -v' and let me see the summary, the failing > instruction and the failing call stack. Connected to Windows XP 2600 x86 compatible target, ptr64 FALSE Loading Kernel Symbol .................................................................................................. Loading unloaded module list ......... Loading User Symbol ******************************************************************************* * * * Bugcheck Analysis * * ******************************************************************************* Use !analyze -v to get detailed debugging information. BugCheck 7E, {c0000005, ef54fae6, f51ebaa4, f51eb7a4} Probably caused by : SCSIPORT.SYS ( SCSIPORT!SpWmiPassToMiniPort+11a ) Followup: MachineOwner --------- nt!RtlpBreakWithStatusInstruction: 80aaad34 cc int 3 kd> !analyze - ******************************************************************************* * * * Bugcheck Analysis * * ******************************************************************************* SYSTEM_THREAD_EXCEPTION_NOT_HANDLED (7e) This is a very common bugcheck. Usually the exception address pinpoints the driver/function that caused the problem. Always note this address as well as the link date of the driver/image that contains this address. Arguments: Arg1: c0000005, The exception code that was not handled Arg2: ef54fae6, The address that the exception occurred at Arg3: f51ebaa4, Exception Record Address Arg4: f51eb7a4, Context Record Address Debugging Details: ------------------ ERROR_CODE: (NTSTATUS) 0xc0000005 - The instruction at "0x%08lx" referenced memory at "0x%08lx". The memory could not be "%s". FAULTING_IP: SCSIPORT!SpWmiPassToMiniPort+11a ef54fae6 8b4804 mov ecx,[eax+0x4] EXCEPTION_PARAMETER1: f51ebaa4 CONTEXT: f51eb7a4 -- (.cxr fffffffff51eb7a4) eax=00000000 ebx=81fa71e8 ecx=00000000 edx=00000000 esi=f51ebc7c edi=f51ebbf4 eip=ef54fae6 esp=f51ebb6c ebp=f51ebc14 iopl=0 nv up ei ng nz ac po cy cs=0008 ss=0010 ds=0023 es=0023 fs=0030 gs=0000 efl=00010297 SCSIPORT!SpWmiPassToMiniPort+0x11a: ef54fae6 8b4804 mov ecx,[eax+0x4] Resetting default scope DEFAULT_BUCKET_ID: DRIVER_FAULT BUGCHECK_STR: 0x7E LAST_CONTROL_TRANSFER: from ef55076a to ef54fae6 STACK_TEXT: f51ebc14 ef55076a 81f34038 00000008 f51ebc7c SCSIPORT!SpWmiPassToMiniPort+0x11a f51ebc60 ef550eea 81f34038 001ebc7c 81f34038 SCSIPORT!SpWmiIrpRegisterRequest+0x16b f51ebc8c ef52858d 81f340f0 81f15810 81f15810 SCSIPORT!ScsiPortSystemControlIrp+0xe6 f51ebca0 80a20812 81f34038 81f15810 c00000bb SCSIPORT!ScsiPortGlobalDispatch+0x1b f51ebcb8 80c06c9e f51ebd40 81f15810 81f5fc78 nt!IopfCallDriver+0x4f f51ebce8 80c06e61 81f15810 00000008 81f34038 nt!WmipForwardWmiIrp+0x23b f51ebd14 80c0912d 00000008 81f34038 00000000 nt!WmipSendWmiIrp+0x8b f51ebd50 80c092ae 82034b38 00000000 82034b38 nt!WmipRegisterOrUpdateDS+0xa3 f51ebd64 80c0a201 82034b38 82063020 80af1e7c nt!WmipRegisterDS+0x42 f51ebd80 80ab9ebb 00000000 00000000 82063020 nt!WmipRegistrationWorker+0x101 f51ebdac 80baee56 00000000 00000000 00000000 nt!ExpWorkerThread+0x10d f51ebddc 80ac815e 80ab9dae 80000001 00000000 nt!PspSystemThreadStartup+0x34 00000000 00000000 00000000 00000000 00000000 nt!KiThreadStartup+0x16 FOLLOWUP_IP: SCSIPORT!SpWmiPassToMiniPort+11a ef54fae6 8b4804 mov ecx,[eax+0x4] SYMBOL_STACK_INDEX: 0 FOLLOWUP_NAME: MachineOwner SYMBOL_NAME: SCSIPORT!SpWmiPassToMiniPort+11a MODULE_NAME: SCSIPORT IMAGE_NAME: SCSIPORT.SYS DEBUG_FLR_IMAGE_TIMESTAMP: 3d6dd526 STACK_COMMAND: .cxr fffffffff51eb7a4 ; kb BUCKET_ID: 0x7E_SCSIPORT!SpWmiPassToMiniPort+11a Followup: MachineOwner --------- Further, do '!lmi scsiport.sys' for > me. I need to narrow down where in SpWmiPassToMiniPort the error occurs > (presuming it is still failing in that routine). > kd> !lmi scsiport.sys Loaded Module Info: [scsiport.sys] Module: SCSIPORT Base Address: ef528000 Image Name: SCSIPORT.SYS Machine Type: 332 (I386) Time Stamp: 3d6dd526 Thu Aug 29 01:02:46 2002 Size: 31100 CheckSum: 3e6f6 Characteristics: 10e Debug Data Dirs: Type Size VA Pointer CODEVIEW 25, 13364, 13364 RSDS - GUID: (0x fff6751, 0x251a, 0x456a, 0xb6, 0x2b, 0x36, 0xf3, 0xc5, 0xcb, 0xbe, 0xb5) Age: 1, Pdb: scsiport.pdb Image Type: MEMORY - Image read successfully from loaded memory. Symbol Type: PDB - Symbols loaded successfully from symbol server. D:\Download\MS_Symbol_store\scsiport.pdb\0FFF6751251A456AB62B36F3C5CBBEB51\scsiport.pdb Load Report: public symbols , not source indexed D:\Download\MS_Symbol_store\scsiport.pdb\0FFF6751251A456AB62B36F3C5CBBEB51\scsiport.pdb Thank you for looking into this for me. This is greatly appreciated. Long Manage Your Profile |Legal |Contact Us |MSDN Flash Newsletter Â©2005 Microsoft Corporation. All rights reserved. Terms of Use |Trademarks |Privacy Statement Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57448
  - 7
    - USB Host Driver Greetings, We are currently developing a specialized USB host controller mini-port driver that is not UHCI, OHCI, or EHCI compliant for Windows 2K, 2003 server, and Windows XP. The current DDK does not provide any information concerning the interface between the Windows host controller driver (e.g., usbport.sys under WinXP) and the minicontroller drivers (e.g., usbuhci.sys). The design of our hardware requires that we interface to the USB host controller stack at the USB mini-port level, so we need information about how to create a USB mini-port driver for these different operating systems. We've had discussions with other developers who have done this and they've told us we need to contact Microsoft directly to obtain this information. Could anyone please advise us how we go about obtaining this information? Thanks, Keith Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57443
  - 8
    - How do USBCAMD for USB2.0 receive over then 1 packet per SOF Hello there, I modify the USBCAMD from video minidrv for using usb 2.0 device. I use bcdUSB to check the device is running on usb1.1 or usb2.0. I also modify the USBCAMD_StartDevice(), so that usb 2.0 device can allocatebandwidth if (bcdUSB==0x200){ USBCAMD_NUM_ISO_PACKETS_PER_REQUEST=256; //32 USBCAMD_MAX_REQUEST=4; //2 } However, when I choice a 900*3 alternating setting, the packet receive 1 packet/1 SOF all the time. I am sure the packet that waiting for transfer is over then 900, but why there is only packet transmitted? I need your help: Where is the point that the USB driver knows there exist more then 1 packet/SOF can be used? Where is the command that the driver set the packet to be 3? Can anybody help? Thank you!! -- D.D. Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57439
  - 9
    - Driver_irql_not_less_or_equal Hello I have some little problem. I Attached my device to serial port, and i configure connection but when i try to : irpStack = IoGetCurrentIrpStackLocation(SmartcardExtension->ReaderExtension->SerialStatusIrp); irpStack->MajorFunction = IRP_MJ_DEVICE_CONTROL; irpStack->MinorFunction = 0UL; irpStack->Parameters.DeviceIoControl.OutputBufferLength = sizeof(SmartcardExtension->ReaderExtension->ModemStatus); irpStack->Parameters.DeviceIoControl.IoControlCode = IOCTL_SERIAL_GET_MODEMSTATUS; SmartcardExtension->ReaderExtension->SerialStatusIrp->AssociatedIrp.SystemBuffer = &SmartcardExtension->ReaderExtension->ModemStatus; SmartcardExtension->ReaderExtension->GetModemStatus = TRUE; status = IoCallDriver( SmartcardExtension->ReaderExtension->AttachedDeviceObject, SmartcardExtension->ReaderExtension->SerialStatusIrp ); I had a BSOD - Driver_irql_not_less_or_equal, and i have no idea why... Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57437
  - 10
    - how to signal an app from video miniport driver? Hi I have a video miniport driver and i want to signal my application when somethign interesting happens inside that driver. What i want to do is sort of what in pure WDM land would be said to be as : "open the driver in asynchronous mode , and send an ioctl from app to the driver and inside the driver do not call IoCompleteRequest UNTIL sometihng interesting happens . In the aplication , keep waiting on the event associated with the particular asynchronous call." Now the problem following a similar approach in case of vidoe miniport driver is that videoport.sys manages a strictly synchronously serialized interface with all video miniport drivers where at the most ONE VRP can be outstanding at any given time with a video miniport driver. How can i manage to solve this problem ? Should i manage it through EVENT objects shared between user and kernel mode , and by passing the address of the user mode EVENT object to my driver in the call to EngDeviceIoControl ? what would be the best approach here thanks in advance regards Taha Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57436
  - 11
    - suggestion needed on win98 display driver Hello developers, I am working on a display driver for windows 98. it is supposed to support the rotation of screen of monitor. I mean to various angles like 90,180,270. While reading ddk documentation i came across various structures like pdevice and gdiinfo. I guess there must be some specific value needed to setup which does this. any hints ?? regards, Andrews Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57430
  - 12
    - What's the PScript5 driver's MAX resolution(DPI)? Hello. I'm working in PScript driver in Windows platform. I wanna know what's the PScript driver's MAX resolution(DPI)? I have ever set it to PPD up to 1200 DPI. What's the limit of DPI in PScript driver? Is it different between Win9x and, Win2000 or later? Then, what's the limit of each OS? Thanks in advance. Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57428
  - 13
    - What's the PScript Driver's MAX resolution(DPI)? Hello. I'm working in PScript driver in Windows platform. I wanna know what's the PScript driver's MAX resolution(DPI)? I have ever set it to PPD up to 1200 DPI. What's the limit of DPI in PScript driver? Is it different between Win9x and, Win2000 or later? Then, what's the limit of each OS? Thanks in advance. Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57427
  - 14
    - What's the PScript5 driver's MAX resolution(DPI)? Hello. I'm working in PScript Driver in Windows Platform. I wanna know what's the PScript driver's Max resolution? I have ever set it to PPD up to the 1200 DPI. Thanks in advance. Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57425
  - 15
    - usbccgp.sys Hi, I read somewhere usbccgp.sys is the prefered parent driver than usbhub.sys for a multifunction device. I use usbhub.sys for our usb device on windows 2000 and now want to move it to windows XP. I modified the inf for windows 2000, by simply changed all reference to usbhub to usbccgp. I then use this inf file for the device installation on a Windows XP (we also used tested our driver with the old usbhub with this XP machine), and delete some related .inf file in windows\inf directory and the registry key in HKLM\SYSTEM\CurrentControlSet\Enum\USB\ location. However after inserting the device and suplied the new .inf file. Hardware Update Wizard in XP reports that there was a problem installing this hardware, the name is already in use as either a service name or a service display name. I suspect this is because of the previous installation of this device with usbhub.sys (the XP used with uncleaned registry entry). Is my analysis correct? You guys have any comments? Best Regards, Wayut Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57423
  - 16
    - Print monitor for intercepting print job Hello all, I want to intercept all the print jobs sent to a printer and pop up a dialog to ask user for confirmation (telling him page count, price, etc.) I searched on previous posts in the newsgroups and I think that the better solution was to implement a print-monitor. So now I've implemented a print monitor DLL (ConfirmMonitor.dll) that supporta a new kind of port that is redirected to another existing port. The target .DLL is loaded and initialized by my .DLL. Basically, all the calls are forwarder to the target monitor .DLL, except StartDocPort(). When StartDocPort is called in my DLL it pops up the confirmation dialog, if user cancels then StartDocPort returns FALSE, ... It works fine when target ports are local (LPT1:, nul:, pdf...). But it fails with network ports. In this case, I can send the print job, it arrives to the print server and it's shown in the queue, but it is NOT printed. - Then if I stop spooler in the client, the job is printed in the server and deleted from the queue. - If I send a second print-job, the first job is printed and the second remains in the queue. - In the print server, the real document name does not appear; instead it appears as "Remote low level document" (maybe another words, I've translated from spanish). The printer driver is the same in both computers. Any suggestion or idea? Another solution seems to be by using api hooking... Anyway I would like to now what's the problem in the print monitor DLL. Thanks, David D. Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57416
  - 17
    - File systems and cylinders In my driver for a disk drive, I respond to IOCTL_DISK_GET_DRIVE_GEOMETRY with typedef struct _DISK_GEOMETRY { LARGE_INTEGER Cylinders; = Number of sectors MEDIA_TYPE MediaType; RemovableMedia ULONG TracksPerCylinder; = 1 ULONG SectorsPerTrack; = 1 ULONG BytesPerSector; = Sector Size } DISK_GEOMETRY Now I wonder if TracksPerCylinder or SectorsPerTrack are used by FAT or NTFS for read/write optimizations. For instance, if I set TracksPerCylinder and/or SectorsPerTrack to 16, would the file systems try to read/write using buffers of (16*SectorSize) or so bytes? My goal is to make file systems send larger i/o buffers down to my drive. My question is whether DISK_GEOMETRY affects this in any way. Thanks, Steve -- Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57409
  - 18
    - IRP_MN_DEVICE_USAGE_NOTIFICATION In my driver for a disk drive, I'd like to prevent the drive from being used for special files. So I fail IRP_MN_DEVICE_USAGE_NOTIFICATION with STATUS_UNSUCCESSFUL or STATUS_NOT_SUPPORTED. The drive is not removable by itself, though handles removable media. Now if I go to System/Virtual Memory, I see my drive is listed as available target for a paging file. When I try to enable paging on my drive, I receive IRP_MN_DEVICE_USAGE_NOTIFICATION and fail it. Windows then says that it needs to reboot for the settings to take effect. Obviously Windows thinks that it still can enable paging after rebooting. Is there any way to exclude my drive from the list of available paging targets at all? Thanks, Steve -- Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57407
  - 19
    - bswap intrinsic? Is there an intrinsic to wrap the bswap x86 instruction. I have written a function to do this with inline assembler but I am wondering if an intrinsic wouldn't be a better solution. Regards, George. Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57406
  - 20
    - what io the Best method to capture all audio out? Hi, 1) I want to capture all the audio out on my machine . What i understand is that if the sound card on my machine provides "stereo Mix" capability AND I am not recording something on the physical line in of my sound card , then and only then i can capture the audio out going through the sound card using DirectSound or WaveIn API. what is the most reliable way to do this that should work on Win 9x+ and Win 2k+ , independent of whether the sound card supports stereo mix or whether something is also being recorded in the physical line in of the sound card? Is there some way to generically install an upper filter driver on top of the sound card driver and do this? what other option should help here? In the DDK i have a Microsoft Virtual Audio Driver , will that be of use ? There are multiple drivers inside the MSVAD driver directory, which one can i use with minimum amount of code change that should achieve my purpose ? and if i do need to change the code , which portion needs to be changed ? 2) I was going through the code of MSVAD and its architecture looks different from the standard WDM drivers ( particularly WDM USB client drivers ). No Read/Write Dispatchers etc. also Walter Oney's Book apparently does not delve into sound card drivers as well. What is the best resource to get more information about this , apart from the DDK ? thanks and regards Taha Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57401
  - 21
    - Handling SRB_FUNCTION_SHUTDOWN I am trying to see whether I can use SRB_FUNCTION_SHUTDOWN as a cue to start spindown of attached physical drives (both drives that are configured into virtual disks and those that are not) on a PCI RAID controller. Please clarify the following: 1) The DDK says "The system is being shut down. The request is passed to the miniport driver if CachesData was set to TRUE in the PORT_CONFIGURATION_INFORMATION data. The miniport driver can receive several of these notifications before all system activity is actually stopped; however, the last shutdown notification will occur after the last start I/O. Only the Function, PathId, TargetId and Lun fields are valid." How do I know which is the last start I/O? 2) Is there a mechanism that is available so that I can reliably spin down drives without having to spin them again because there was one more I/O? 3) In cases where I have a large number of drives, I will not be able to spinup the drives very quickly. We risk having command timeouts as the controller firmware tries to spinup drives that it just spun down. Any recommendation is appreciated. Thanks, Jacob Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57392
  - 22
    - To what device group does an intelligent frame grabber fit? Hi, I am just about to start reading the basics about windows drivers (I havent started my project...) just a question about something in general: I was wondering to which device class a pci frame grabber belongs to. I am talking about a PCI-card to which you can connect 4 or 6 industrial type CMOS cameras via some kind of LVDS bus or camera link. On the card, a dedicated processor is grabbing and evaluating the images (detection of shapes or patterns, datamatrix and OCR searches and so on). The card is supplying a video stream through the PCI bus to be displayed in a Window. Also single images can be grabbed. A user mode application communicates to the card, telling it parameters of the jobs it has to do, in which areas of the image it has to detect what and reading out the results... So I am wondering... do I have to write a driver for a PCI multifunction device? or a video streaming device? or a WIA device? or anything else? which of the samples supplied in the XP DDK would match my needs best? Anyway, I have to read a lot before starting... but maybe someone can give me a hint meanwhile. thomas Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57391
  - 23
    - (NT-)VDD blocks VDM: How to circumvent, and how to perform "secure" cleanup? Hello, I'm writing a VDD (for NT/2K/XP) for the first time, and I found the documentation is not the verbose as I would like it to be. I'm using the mechanism via DISPATCHCALL (assembler bytes 0xc4, 0xc4, 0x58, 0x02) emmitted into the source code, not via IN/OUT instruction (although, by testing, I found out the same applies for these, too). I faced the following problems: The DOS program in the DOS box calls a function of the VDD. Now, that function needs some time to perform the action. As long as the VDD function has not returned, the DOS box is completely blocked. I cannot even issue a Ctrl+C (or Ctrl+Break) to stop the program. This is very bad with programs which need to communicate very much with the VDD: I found out it is almost impossible to stop the DOS mode program at all (other than closing the whole DOS window). Another problem I faced is the following: I want to know when the DOS mode program quits, to close the "access handle" the DOS program obtained from me, that is, to do some cleanup if the DOS program forgot to do this itself (for example, if it unexpectedly crashed). Anyway, I'm not sure how to do this reliably. Currently, I use VDDInstallUserHook() to install a Block handler, that is, I am informed if the NTVDM is blocked. I found out that this happens if the DOS program quits. Anyway, is this really a reliable (and a recommended) way? First of all, I thought installing a create and a termination handler with the same function would be better, as I could find out if it is exactly the DOS program which obtained the handler which is quit. Anyway, as the VDD is started with RegisterModule (0xc4, 0xc4, 0x58, 0x00) from the DOS program, I do not "see" the creation of the DOS program, so I do not know for which PCB to wait for. Can anyone help me here? Thank you, Spiro. -- Spiro R. Trikaliotis http://www.trikaliotis.net/ Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57383
  - 24
    - VPC shot me in the ankle My development environment is crippled right now and I'm forced to use VPC 2004 instead of a target computer. I've run into a problem that has caused me a few hours of trouble and I've gotten down to the issue finally. It seems that VPC is not quite as faithful as I had hoped, or maybe there is a race in my code that simply did not show up on hardware: In the File system filter example, at the end of DriverEntry after the DO_DEVICE_INITIALIZING flag is cleared, I had assumed that it was now ok to access the file system. In my code, based on this example, after clearing the flag I created/accessed a particular directory to do some work. In the hardware version, this always worked fine, in the VPC however I reach the point of clearing DO_DEVICE_INITIALIZING long before I've seen the system drives set up and consequently my fiddling with the directory is failing. So is this a problem with VPC, or more likely have I misunderstood the significance of DO_DEVICE_INITIALIZING. If the latter, how do I know when all the file systems have been set up and are now safe to access? -- Gak - Finecats Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57374
  - 25
    - Need help in Print Driver Plug-in for Windows NT4 Hi, I'm trying to insert username, hostname, document name, printer name, driver name, custom and priority into the print job stream from my renderer plug-in dll. I realize that there are APIs available for me to gather these info if my plug-in is in user mode. That's why I get it to work in W2K. However, the APIs are not available in kernel mode, at which my renderer plug-in is invoked. I can't find any equivalent APIs supported in Kernel mode from the DDK library. I try to collect the info from the UI plug-in(which is in user mode) and pass the info to the renderer plug-in. However, if the user does not open the printer properties page, the UI plug-in will not be invoked. Are there other ways to get the info from kernel mode? Is it possible to invoke the UI plug-in from the renderer plug-in and let the plug-ins communicate? Is language monitor a possible route to explore? Suggestions are very much appreciated. Thanks, Anthony Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57372
- Next
  - 1
    - ddk where to start? i put this on earlier but not as my official msdn login and didn't get anywhere, time is getting shorter, and i am getting more confused by the day going through ddk, sdk, directx, and other mm interfaces.... so now i try again the official way: ok, i must admit i am a bit out of my normal realm here with drivers under windows... now if you wanted a dos tsr thats a different story. in any event i got the xp ddk installed and built the samples, and have been wading through some of the documentation down the audio driver path and think i want to end up in the msvad area somewhere. but i really do want some confirmation that i am in the right area and that this is really the best way to do what i need to do. Problem: take left and right channels of one or more line in or mic inputs on one or more sound cards and switch them to the left and/or right channels of one card's speaker/headphone output. this has to be done in real time and the routing has to be controllable from a user program with some kind of a control api. i can do this now with waveIn/waveOut api, but there is an annoying delay due to the filling and passing of buffers, and it seems touchy as far as the timing for setting up buffers and getting them in and out on time. so what i think i need is something like a super mux combined with a splitter that can route left and right channels and duplicate them so that i could listen to combinations like the left channel line in on card 1 in both ears, then the left channel line in on card 1 in the right ear and the left channel line in on card 2 in the right ear, or the left channel of line in on card 2 in the left ear and the right channel line in on card 2 in the right ear... etc. so, any pointers about where i should be heading? i don't want to tie it to any particular hardware which is why i am thinking the virtual audio device stuff is the way to go. but is this the only way? would directsound give the speed and control or does that work on filling and sending buffers also? with the virtual audio device how would i configure it so it gets into the audio stream the right way? too many questions, not enough reading yet i think. after more reading what i think i need is a realtime driver that impliments a ksnodetype_mux or ksnodetype_supermix. does that sound like the right route? Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57371
  - 2
    - trap joystick collection hi, I have a HID GamePad/Joystick device. I wish to have a full control on the joystick : Weather the button pressed information is passing to DInput, will be my options. How can I filter a joystick collection, so I can read buttons from a specified gamepad, and (maybe) drop it without passing to DInput? Is HIDClass upper filter ok? Will I have to write a minidriver for the full control on the gamepad? thanks. Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57370
  - 3
    - Not getting IRP_MN_STOP_DEVICE Hello all, I have a device connected over TCP. The device has a firmware running on it. I have already written a bus driver to enumerate the device and load the required function driver for it. The function driver provides a number of APIs to the application to deal with the device. One of the API is to reset the device. When this command is issued, the driver has to carry out same steps implemented in the START_DEVICE to initialize board and firmware. So, I want to stop the driver when reset command is issued and start it again. I have called IoInvalidateDeviceState(), set the flags (PNP_DEVICE_FAILED | PNP_DEVICE_RESOURCE_REQUIREMENTS_CHANGED) and I am getting IRP_MN_QUERY_STOP_DEVICE. The PnP Manager then asks for RESOURCE_REQUIREMENTS and FILTER_RESOURCE_REQUIREMETS. Here I am returning NULL since I am not using any resources. This is the same value returned by me when enumerating the device. Then I am getting IRP_MN_CANCEL_STOP_DEVICE. Why? Since there is no change in the resource requirement, PnP Manager is cancelling it? I also made sure that no application handles are opened to the driver and no driver in the stack is cancelling QUERY_STOP_DEVICE. Waiting for the replys, Aniketa K S Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57356
  - 4
    - capturing all audio out reliably : DirectSound or MSVAD? Hi, 1) I want to capture all the audio out on my machine . What i understand is that if the sound card on my machine provides "stereo Mix" capability AND I am not recording something on the physical line in of my sound card , then and only then i can capture the audio out going through the sound card using DirectSound or WaveIn API. what is the most reliable way to do this that should work on Win 9x+ and Win 2k+ , independent of whether the sound card supports stereo mix or whether something is also being recorded in the physical line in of the sound card? Is there some way to generically install an upper filter driver on top of the sound card driver and do this? what other option should help here? In the DDK i have a Microsoft Virtual Audio Driver , will that be of use ? There are multiple drivers inside the MSVAD driver directory, which one can i use with minimum amount of code change that should achieve my purpose ? and if i do need to change the code , which portion needs to be changed ? 2) I was going through the code of MSVAD and its architecture looks different from the standard WDM drivers ( particularly WDM USB client drivers ). No Read/Write Dispatchers etc. also Walter Oney's Book apparently does not delve into sound card drivers as well. What is the best resource to get more information about this , apart from the DDK ? thanks and regards Taha Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57354
  - 5
    - DeviceIOControl Hangs I make a DeviceIOControl call to my driver from within an application. This is an overlapped IO call and has worked successfully for years, however with one customer it fails after a few days under heavy load. This is an asynchronous call and it doesn't appear to even reach the driver and just hangs on the call itself. Has anyone seen or heard of this sort of error occurring before? Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57352
  - 6
    - How to Enable/Disable USB Device Remote Wakeup? Iâ??m writing a WIA driver for a USB scanner that supports remote wakeup. I have not been able to find any way through Windows to enable and disable the scannerâ??s remote wakeup feature from user mode. Is there a way? I normally deal with the scanner through USBSCAN.SYS and the DeviceIoControl() function. But using this function there seems to be no way to send a Standard Device Request type, which is the type you need to send to do a SET_FEATURE request to enable the remote wakeup. (According to the documentation, the IOCTL_SEND_USB_REQUEST control code does not let you set the bmRequestType). I notice that you can issue a SET_FEATURE request from a kernel mode driver. There is even a macro UsbBuildFeatureRequest. But please donâ??t tell me Iâ??ll need to write my own kernel mode driver merely to enable/disable the remote wakeup. Iâ??d hate to have to go to such overkill just for a simple thing. You would think there is an easier way. The USB-IF spec requires that if your device reports that it supports remote wakeup, then you must have a way to enable and disable it. (And yes, they enforce this because theyâ??ve snagged me for it already.) Sorry if this is the wrong forum for this question. If there is a more appropriate one, please let me know. Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57334
  - 7
    - GetPrinterDataFromPort() in language monitor From what I read in the MSDN, when we call GetPrinterData(), it should call GetPrinterDataFromPort() in the language monitor. I added some text to be printed in my language monitor when the function is called and although the function worked correctly, it didn't print any messages. It did print messages when the functions WritePort and StartDocPort were called (by using WritePrinter and StartDocPrinter). Any suggestions? -- John Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57329
  - 8
    - irp cloning... Hello, I am currently porting a pseudo disk driver to NT from Unix of which one aspect of its operation is to perform a mirrored write. The manner in which it performs the mirrored write is to clone the original IRP for each mirror and then issue the cloned IRPs to the primary and secondary devices. During the mirrored write the original IRP is stalled. After the cloned requests complete, the original IRP is eventually completed. If I only clone the IRP once and issue the clone to the primary device the driver seems to work well (as evidenced by a data integrity tool I'm using). However, if I instruct the driver to perform mirroring, the data sent to the primary device is always corrupted (I am currently unable to verify the secondary as it is not written in the original format). Here's is the gist of my IRP clone operation. After calling the cloning macro a cloned IRP is further modiefied to point to the correct device by directly setting the DeviceObject field in the IRP. Also, the IRPs are hand made and set up by IoInitializeIrp() rather than by IoAllocateIrp(). It's probably worth admitting that while I have programmed drivers for Unix for many years I've only been working with NT for a month or so. I would greatly appreciate any insight into how to solve this problem correctly. I have scoured this list and the web for similar examples but haven't found anything relevant thus far. Thanks! Greg #define CLONE_IRP(src, dst, zoffset) \ do { \ IO_STACK_LOCATION *srcstk, *dststk; \ srcstk = IoGetCurrentIrpStackLocation(src); \ dststk = IoGetCurrentIrpStackLocation(dst); \ *dststk = *srcstk; \ dststk->Context = (void *)0; \ (dst)->MdlAddress = IoAllocateMdl( \ MmGetMdlVirtualAddress((src)->MdlAddress), \ MmGetMdlByteCount((src)->MdlAddress), \ FALSE, FALSE, (IRP *)0); \ IoBuildPartialMdl((src)->MdlAddress, (dst)->MdlAddress, \ (char *)MmGetMdlVirtualAddress((src)->MdlAddress) + \ (zoffset), (unsigned long)0); \ (dst)->Tail.Overlay.Thread = (src)->Tail.Overlay.Thread; \ } while (0) Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57328
  - 9
    - ReadPrinter fails for TCP/IP port, works for LPT1 and USB using pjlmon XP DDK sample Hi all, I have this problem which has been eluding me for weeks. The sample pjlmon project that comes with the XP DDK works perfectly for printers that are connected via LPT and USB, but fails when trying to read from a printer that's connected via TCP/IP. The printer port we're using is a Standard TCP/IP port, over port 9100 which creates a port named IP_10.32.56.23 which is fine. Here's the kicker - when I use WritePrinter to send the data down, WritePrinter works and returns back a successful value. Using the Ethereal packet sniffer, I find that we DO get the right data back from the printer, but for some reason it doesn't "bubble up" from the port to the language monitor, and ReadPrinter returns with a 0 meaning that no data was read back, and the buffer's empty. I don't know where the data's getting blocked. Is the port monitor blocking it from the language monitor? I've tried this with both the outdated versions of pjlmon and the newer updated one (InitializePrintMonitor and InitializePrintMonitor2). Doing some digging, I found that the port type you're using uses a different DLL for filling in the MONITOR/MONITOR2 structure. Using a debugger, I found that for TCP/IP, GetPrinterDataFromPort is NULL for TCP printers, and valid for LPT and USB. It seems to me that the tcpmon.dll DLL assumes that backchannel data will never come from a TCP/IP printer. If this is true, I'm going to have to work out my own solution since I can't depend on that DLL for reading data back. In fact, I already did that, but it bypasses ReadPrinter which I really don't feel comfortable doing. According to the MSDN documentation, using SendRecvBidiDataFromPort only works on Windows XP anyway, so that solution will not be an option since we have to support 9x->XP. So, what I want to know, if anyone can answer, are the answers to these questions: 1) Why do we not get backchannel data back from a printer with pjlmon (both old and new) using TCP/IP, but works with LPT and USB? 2) Will bidi communication work on server-based system such as CUPS and Samba? HP's bidi software wouldn't work with printers connected to these types of systems, but did work with direct TCP/IP connections. Thanks in advance. Mike Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57304
  - 10
    - FIREWIRE CDR as SCSI device Hello, ist it possible to trat a firewire devive (e.g. a cdr) as a scsi device ? I have written an application which communicates with atapi and scsi cd/dvd drives using SCSI commands. Now i also want to do it with firewire drives. Can anybody help me ? Regards, Thomas Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57303
  - 11
    - Language Monitor question Hi, I try to make my own Language Monitor Dll in order to enable bi-directionnel communication with my thermal Printer. I work with Windows XP SP2 I read that I write the following functions : ClosePort EndDocPort GetPrinterDataFromPort InitializePrintMonitor2 OpenPortEx ReadPort StartDocPort WritePort. then I set to NULL the other pointer function of the MONITOR2 structure. I test it and my dll is loaded and InitializePrintMonitor2 is called but at the end of the installation of my printer mini-driver, I receive an error message : "The specified print monitor is unknow" What is wrong ? Do I write the other functions of MONITOR2 structure ? Thanks in advance Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57302
  - 12
    - How to get rid of those "delightful" "found new hardware" dialogs. Hi folks, Been working on my installation program recently, and almost all is well apart from one *really annoying* feature. The main device I have acts as a bus driver, and creates several (about 10) child devices. Initially, when the hardware is added, and the machine booted, a "found new hardware" dialog pop up (no surprise there). It's then possible to cancel this dialog, and at a later convenient moment, run my install app. The install app installs the driver for the main device, which starts up, and then creates all the child devices. What then happens is that a "found new hardware" dialog pops up for the first child device, asking if I'd like to search for drivers online. This is very irritating, as the install app is in the process of installing the drivers for the child devices. I've tried to get rid of it, but there's a catch-22: If I install the drivers for the child devices *after* the main device, then the dialog pops up, & if you leave it alone, it subsequently goes away as the install app installs the child drivers. If I install the drivers for the child devices *beforehand* the annoying dialog *still* pops up. What's even more annoying is that it's possible for the user to then respond to these popped up dialogs, at which point, my install app and the user mode PnP manager seem to have a bit of a race to see who can "install" something appropriate first. NOT what I want! This seems to happen just under XP service pack 2 - earlier OS's (2k for example) would simply allow the install app to complete, and the next time time PnP dev tree was rescanned (either next reboot, or explicitly by the install app), they'd just raise a couple of dialogs indicating things were being installed, and hey-presto, it all worked! So basically: - The install looks unprofessional. - The dialogs raised let the user faff with what should be a smooth install process. This is one situation where I feel that the security considerations of SP2 seem to have made things distinctly worse (if theoretically more secure) from the users P.O.V. How do I sort this? MH. Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57301
  - 13
    - Serial port locked I wrote a laguage monitor for our printers. When I install the printer on a serial port, it seems to lock the port so I can't use our VB or C applications to talk to our printer. Is there a way to unlock it? -- John Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57300
  - 14
    - NDIS Vs Protocol Who will drop the packets? Hello, Assume a PC with a NIC.NIC is connected to a shared network cable. Each NIC has a MAC Address.As cable is shared one it will also recieve packets destined to other PCs i.e packets with different MAC Address other than its own. So the PC will drop the packets which are not detined for it. I want to know whether NDIS driver will drop these packets or protocols above the NIC will drop these packets. Thanking you, Monica DSouza, FZI-Karlsruhe Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57295
  - 15
    - Promiscious mode with NIC driver Hello all, I am Monica from germany.We have task which is quite uncommon. So please read it slowly. We are developing some custom based PCI Ethernet Card using Realtek chips.we have downloaded the driver software(binary)from the REALTEK site. we have to use the card always in Promiscious mode.But we dont have the source code of the driver.we only have the binary code. But we have observed that softwares like ethereal are able to capture the ethernet packets in promisicous mode. So my query is,Is there any standard IOCTL function or some facility in the Windows operating systems to make the ethernet card in promiscious mode. Thanks alot in advance. Thanking you, Monica DSouza, FZI-Karlsruhe. Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57284
  - 16
    - encrypting hiberfil.sys Hello gurus, I have developed an encrypting filter driver and some int13 boot code. That combination runs so far. One of the few problems is that lacking support for hibernation. Hiberfil.sys gets written in plaintext, thats the problem. I catch SCSI_GET_DUMP_POINTERS and fill DUMP_POINTERS struct with my device pointer, then it gets called in DriverEntry. How can i continue from there ? Are there any good exampes ? Please give some answers . Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57283
  - 17
    - encrypt hibefil.sys via filter driver ? Hello gurus, I have developed an encrypting filter driver and some int13 boot code. That combination runs so far. One of the few problems is that lacking support for hibernation. Hiberfil.sys gets written in plaintext, thats the problem. I catch SCSI_GET_DUMP_POINTERS and fill DUMP_POINTERS struct with my device pointer, then it gets called in DriverEntry. How can i continue from there ? Are there any good exampes ? Please give some answers . Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57281
  - 18
    - Avstream Video capture -> AVI Mux -> File Writer Hello All, I have an AVStream video capture driver based on avshws sample code. I would try saving avi file using this driver,GraphEdit.exe and filters as follows. (1) Smart Tee Filter (2) Capture pin (Select RGB24 format) ->Video Renderer (3) Preview pin(Select RGB24 format) -> AVI Mux -> File writer I could get avi file,but the file contained only one flame image. Is there any particular reson why I could not get correct avi file. I want to know how to modify the driver source files to be able to get correct avi file. Steve Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57277
  - 19
    - Can i cancel Control IN/OUT command on Control pipe?? Sir. I have to use Control pipe to transfer some data. May i cancel Control command with IoCancelIrp durning the transmission? and if so ,what kind of problem may happened ? poly Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57274
  - 20
    - PCI Express extended Configuration Space access Hi All, The document from Microsoft "PCI Express and Windows" says: "PCI Express extended Configuration Space is not accessible on current Windows operating systems. Device drivers or the operating system must be updated to use the extended region." Could anyone please explain what updations need to be done? Can we access PCI Express extended Configuration Space by doing above discussed modification in existing PCI driver on windows. From where, i can get more information on this. Regards, Sachin sachin.b@soc-soft.com Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57265
  - 21
    - How does USBCAMD support still picture? I develop pc camera driver based on USBCAMD. Now I would support still picture feature. DDK document doesn't mention too much about still picture support in USBCAMD. In addition to expose a virtual still pin, I have no idea about how to support still picture in USBCAMD. Is it necessary to provide interrupe endpoint for snapshot hardware button in USBCAMD driver? Does I need to develop other component to support still picture? Best Regards Jackal Huang Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57263
  - 22
    - Help. How do you handle banding in a Unidrv plugin? Hi, I am having trouble getting my Unidrv plugin to handle banded bitmaps correctly. If I set the print to 100 DPI then my ImageProcessing gets 1 whole bitmap per page. However, if I set it to 300 DPI then I first get what appears to be the top 1/4 of the image. After that I get a few calls to ImageProcessing indicating blank bands and then that's it. The rest of the bitmap never appears. No matter how many pages are printed I just get a 1 partial bitmap, a few blanks and then that's it. Is there some argument that needs to be set to request the next band get sent? Also, how do I know when the last band for an image is received? Thanks, Bob Herzberg Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57257
  - 23
    - Need to write custom installer for 3rd party driver Is there a quick and easy way (using visual studio or other Win32 development environment) to install a third party driver that contains the proper .inf files, etc. We have so-so clients that have problems using the install new hardware wizard, and since we already have the driver files, I was looking for something that I can call via Win32 or shell api... Like: InstallDriverUsingThisINFFile( char *driverInfFilePath ); I'm a long time windows developer but not for drivers.... I thought I could bundle the driver files with the app and auto-install at startup if the driver is not found. Any ideas? Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57248
  - 24
    - Inconsistent URB status after IoCancelIrp between W2K and XP I have a USB function driver that implements a synchronous IRP and cancels the IPR after a fixed timeout as per Walter Oney's design pattern. It is working fine in W2K and XP but the problem is the urb->Urbheader.Status is diferrent between the two OSes. On W2K the urb status == 0x00010000 and on XP the urb status == 0xC0010000. Note that the error and stall bits are set on the XP urb status code. Why is this different? The W2K code equates to USBD_STATUS_CANCELED which is documented in the DDK headers but the XP code is not. What does the XP code signify? Thanks, SteveB, MCSD Welch Allyn, Inc. Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57247
  - 25
    - SetupDiEnumDeviceInterfaces not finding my device I have a device that supports an interface GUID_INTERFACE_XYZ. >From a Win32 app, if I call { HDEVINFO info = SetupDiGetClassDevs(NULL, NULL, NULL, DIGCF_ALLCLASSES); if (info == INVALID_HANDLE_VALUE) return; // if I use SetupDiEnumDeviceInfo(info, idx, &devdata) here to dump the ClassGuid and DevInst for all the devices in info // then I find my device at idx=0x22 DevInst=5016 and with the device class guid matching, as expected, the xxx... value in // HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{xxx...} SP_INTERFACE_DEVICE_DATA ifdata; ifdata.cbSize = sizeof(ifdata); DWORD devindex; SP_DEVINFO_DATA devdata = {sizeof(SP_DEVINFO_DATA)}; for (devindex = 0; SetupDiEnumDeviceInterfaces(info, NULL, &GUID_INTERFACE_XYZ, devindex, &ifdata); ++devindex) { // for each device DWORD needed; SetupDiGetDeviceInterfaceDetail(info, &ifdata, NULL, 0, &needed, NULL); PSP_INTERFACE_DEVICE_DETAIL_DATA detail = (PSP_INTERFACE_DEVICE_DETAIL_DATA) malloc(needed); if (!detail) continue; detail->cbSize = sizeof(SP_INTERFACE_DEVICE_DETAIL_DATA); if (!SetupDiGetDeviceInterfaceDetail(info, &ifdata, detail, needed, NULL, &devdata)) { // can't get detail info free((PVOID) detail); continue; } /*fi - get detail info? */ // get the device's friendly name if possible - this will only be set if it is not the first instance of the device // for the first instance we can simply use the device description instead BOOL bDeviceDesc = FALSE; TCHAR buffer[_MAX_PATH]; if (!(SetupDiGetDeviceRegistryProperty(info, &devdata, SPDRP_FRIENDLYNAME, NULL, (PBYTE) buffer, sizeof(buffer), NULL))) { bDeviceDesc = TRUE; SetupDiGetDeviceRegistryProperty(info, &devdata, SPDRP_DEVICEDESC, NULL, (PBYTE) buffer, sizeof(buffer), NULL); } /*fi*/ printf("%sName=%s\n", bDeviceDesc ? "Device" : "Friendly", buffer); free((PVOID) detail); } /*rof - each device */ SetupDiDestroyDeviceInfoList(info); } then the first call to SetupDiEnumDeviceInterfaces returns 0 and SetupDiGetDeviceInterfaceDetail never gets called. If, however, I use HDEVINFO info = SetupDiGetClassDevs(&GUID_INTERFACE_XYZ, NULL, NULL, DIGCF_INTERFACEDEVICE); if (info == INVALID_HANDLE_VALUE) return; the my device is found by the first call to SetupDiEnumDeviceInterfaces returns 0 and SetupDiGetDeviceInterfaceDetail gets called as I would have expected. Also, // if, in this case, I use SetupDiEnumDeviceInfo(info, idx, &devdata) here to dump the ClassGuid and DevInst for all the devices in info // then I find my device at idx=0x0 and again DevInst=5016 and with the device class guid matching, as expected, the xxx... value in // HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{xxx...} Any ideas why the device is not being found in the first case? Will Tag: CM_Reenumeration_DevNoe in Win98 Tag: 57245

Sirs.

Dose Win98 support CM_Reenumeration_DevNoe function??

poly

Re: CM_Reenumeration_DevNoe in Win98 by polybear

polybear
Wed Jan 12 04:23:52 CST 2005

Sirs.

I have a setupapi.dll error when my program start runing on win98.
my program is compiled by vc++ compiler on win2000 .And win2000 dkk
and been installed.

error look like :
xxx.exe error , can't linking to CM_Reenumerte_DevNode in setupapi.dll

If compile in vc++ with 98ddk on win98 , there will be a fatal linking error
"linking error : unresolved ........"

how could i avoid this linking problem?

"polybear" <poly@mega> ¦b¶l¥ó news:uZp5qc79EHA.2196@TK2MSFTNGP14.phx.gbl ¤¤
¼¶¼g...
> Sirs.
>
> Dose Win98 support CM_Reenumeration_DevNoe function??
>
> poly
>
>

Top