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- Previous
  - 1
    - NDIS query and SNMP Hi, I am looking at NDIS to get some piece of information that Microsoft implementation of SNMP does not give me (mib2-transmission) I have found how to get the required stats from NDIS using IOCTL_NDIS_QUERY_GLOBAL_STATS but there is a small piece of information that I could not find anywhere in the documentation Network adapters are identified by an index number (called ifIndex) in SNMP. However I cant find any corresponding information in the NDIS OID header files. Without that identifier I have no way of correlating the information about adapters SNMP gives me and the information I can find out myself using NDIS. If someone knows how this ifIndex number is found by the inetmib1.dll which gives the mib2 data or how I can get the ifIndex from NDIS or even from where I can get the mib2-transmission group information in windows please tell me about it Thank you arun Tag: ddk download Tag: 29711
  - 2
    - surpriseremove test error My driver is for usb device. I try to test surpriseremove. HCT simulates unpluging device. My driver steps into PnpSurpriseRemove, PnpRemove and Unload routine. Whwn HCT try to "insert" device, the device manager shows :"Windows cannot load the device driver for this hardware because a previous instance of the device driver is still in memory. (Code 38)". Why? I've never seen this error when using this driver before. Tag: ddk download Tag: 29706
  - 3
    - IpRenewAddress FAILED!! hi Using IP Helper Api to dynamically assign ip to my interface. I am calling GetInterfaceInfo to get IP_ADAPTER_INDEX_MAP (InterfaceInfo->Adapter) which i am passing to IPRenewAddress. The GetInterfaceInfo returns me following values. InterfaceInfo->NumAdapter =1 InterfaceInfo->Adapter->Name = /Device/TCPIP_{C767E2D2- 8994-470F-9D84-9446D40CD0DB} InterfaceInfo->Adapter->Index = 2 GetInterfaceInfo also gives the number od bytes written. its value is 3120 which is very large. the buffer contains all garbage value after the name of Adapter. IPRenewAddress is failing it is returning error code 2 (i.e The system cannot find the file specified ) where i am going wrong? Thanks in Advance Jyotsna Tag: ddk download Tag: 29705
  - 4
    - Problem about NT SCSI disk filter driver Hello, I have written a scsi virtual disk miniport driver and a filter driver to intercepte all srbs that sent to this virtual disk device by attaching itself to the disk device object, but i find that can not intercept SCSIOP_READ and SCSIOP_WRITE. However, i can intercepte IRP_MJ_DEVICE_CONTROL and IRP_MJ_INTERNAL_DEVICE_CONTROL(function is 1, perhaps is claiming device to disk class). why this happened? what other i should consider? BTW, my OS is NT SP6. Any comments or concern will be appreciated . Thanks. David Yan Tag: ddk download Tag: 29703
  - 5
    - Detecting floppy present Is there a way to detect the presence a 1.44 floppy without having to open the drive. Opening the A: drive takes more than a second and I need to detect whether a folopy is inserted in the drive periodically. Thanks Tag: ddk download Tag: 29689
  - 6
    - Code works in NT doesn't work in Win2K(SP4) and Win2003 I have 2 drivers and 1 user mode application, one driver runs in NT, one driver runs in Win2K and Win2003, they share some common codes. The application uses IOCTLs to communicate with driver. There is an IOCTL, if device is in a specific internal state, this IOCTL fails and the driver return STATUS_INVALID_PARAMETER to system, but the driver also return some internal error information to application, this information is returned through output buffer argument when calling IODeviceControl. In Windows NT, this error information can be returned to application, so when this IOCTL fails, the application can tell user why it fails. In Windows 2000(SP4) and Windows 2003, this error information cannot be returned to application, the result is when this IOCTL fails, the application tells user "unknown error", this is very bad. This IOCTL uses BUFFERD_IO to communicate with kernel, I wonder if this is because of security reason, when an IOCTL fails, Win2K(sp4) and Win2003 doesn't copy the data in kernel buffer to user mode buffer, but Windows NT still does that? Thanks. Tag: ddk download Tag: 29688
  - 7
    - win2k3 SCSI miniport driver "code 37" problem I have a SCSI miniport driver which installs and works OK under NT, 2000 and XP. I am trying to install this driver under Server 2003 Enterprise Edition. The "Found New Hardware Wizard" reports: "Windows can not initialize the device driver for this hardware. (Code 37)". After that I can see that the entire driver related registry settings are done correctly, according to my INF file. Before attempting to install the driver, I could see the device in the registry (HKEY_LOCAL_MACHINE\HARDWARE\DEVICEMAP\Scsi\Scsi Port...). After attempting to install the driver, the device disappeared from the DEVICEMAP registry. What does Code 37 mean, and what do I need to do to get this device to install under Win2K3? Tag: ddk download Tag: 29685
  - 8
    - Booting from a RAMDISK image Hi, I used the RamDisk sample driver in the DDK and I was able to use the Disk Administrator to create a partition and format the RamDisk. My goal is to copy an NT bootable image to the RamDisk and save the image. This image would be downloaded to a reserved RAM before the system is started. The BIOS (after hooking INT 13h) should access this image as a bootable disk. Currently the RamDisk driver formats the RamDisk as non bootable. Is it possible to create a bootable image using the RAM DISK driver with some modification? How NT determines the offset that it passes to the driver? Does it use the drive geometry that was provided by the driver to calculate this offset? If so what is the “equation” in terms of the CHS parameters? Thanks in advance, Daniel Tag: ddk download Tag: 29683
  - 9
    - Releasing Device Names I am writting a 1394 device driver for my system. All is working as expected with one exception. When I enumerate the bus with a device attached my device names are as follows: \DosDevice\000001 \DosDevice\000002 The 000001 represents the bus interface and the 000002 is the plugged in device. When I unplug the device the 000002 device rightly is removed from the enumeration. However, if the the device is replugged on to the device the emuneration 000003 is added instead of 000002. The question is: what am I missing to allow the release of the 000002 name so it can be reused and is there anything else I should be aware of? I am writing for CE.net 4.1 Thank you. Graham.... Tag: ddk download Tag: 29665
  - 10
    - rsm media recognition within a MOD library We are currently developing a windows 2003 driver for our SCSI library and now I found a problem with the media recognition. The Microsoft Removable Storage service detects the media in the library and creates database entries for each piece. I currently work with two libraries one with two SMO-F551 and the other with four SMO-F561 drives. The library with SMO-F551 identifies the media as '5.25" REWRITABLE DISK' and creates a media entry with two sides. The library with SMO-F561 identifies the media as 'Removable media' and creates a media entry with only one side. Why does it not work with the SMO-F561 drives? Tag: ddk download Tag: 29664
  - 11
    - How to distinguish stack frame from dataseg? Hi, All! Suppose I want to check, for testing purposes, if the object was created statically or allocated on the stack (say in the thread function). How to do this? For example: struct SomeStruct { // shareable data. // ... // lock KSPINLOCK lock; }; BOOL InitSomeStruct(SomeStruct& someStruct) { ASSERT_STATICALLY_ALLOCATED(someStruct); KeInititalizeSpinLock(&someStruct.lock); } I want ASSERT_STATICALLY_ALLOCATED macro not to ASSERT when someStruct is allocated on the dataseg and ASSERT, when it is allocated on the stack (i.e. not accessible from other threads). Tag: ddk download Tag: 29659
  - 12
    - Calling DLL from VXD hi! i am writing a vxd to hook file i/o. i want to call a dll function from my vxd. i tried to use SHELL_CallDll,SHELL_LoadLibrary etc. but i am getting link error "unresolved external symbol _SHELL_CallDll" "unresolved external symbol _SHELL_LoadLibrary" i also tried to use PELDR_LoadLibrary but iam getting same errors. how do i link them properly? thanks Anshu Tag: ddk download Tag: 29647
  - 13
    - Question about Virtual Serial I followed the step of Eliyas Yakub How to Make a Virtual Port. Frome Step 1 to Step 3 I was success, but the step 4: Step4 Once the steps above have been completed, the bus driver can now start receiving IRPs from any application such as HyperTerminal. For a list of all the IOCTL IRPs that have to be handled, refer to the "SerialIoControl " function in the "serial" sample in the DDK. By implementing the handler code for these IRPs, the virtual com port should now be fully functional. Yes, I can use HyperTerminal to open the COMx that I had installed, but I can not handled the Serial IOCTL IRPs, I don't know what happened. I added the "SerialIoControl" function in the Bus_IoCtl(busenum.c)£¬ if (!fdoData->IsFDO) { ... status = SerialIoControl(DeviceObject,Irp); ... } I can't see any DebugCode of IOCTL IRPs in the DebugView, and the HyperTerminal said "Unable to open COMx. Please check your port settings" please reply me... Best Regards... Daniel Xu Tag: ddk download Tag: 29645
  - 14
    - MPIO DDK Dear All, We need to develop a failover driver for our storage system. In Microsoft's document, this driver must develop under MPIO DDK, but I can't find it neither in Win Server 2003 DDK or in win xp DDK. Can any body tell me where or how to get this DDK? Thanks, Karl Tag: ddk download Tag: 29644
  - 15
    - Call ACPI Method. How? The idea to create driver to be able to call any ACPI method. Calling to methog that belongs to particular device not a solution. Yevgen Goryachok Tag: ddk download Tag: 29639
  - 16
    - Is DrvEnableDriver exported by default? Hi! I am trying to use EngLoadImage and EngFindImageProcAddress to install a "filter" driver around a third party display driver. When I use dumpbin.exe /EXPORTS "dispdll_001.dll" (a utility that ships with VStudio6), it returns no exported functions. So how can I call the DrvEnableDriver function of the main driver from my "filter" if its not exported by the main driver's dll? The main display driver that I am trying to link to is S3 Trio32/64. I also tried with nvidia geforce4 driver and it doesn't export DrvEnableDriver either. It states on the msdn documentation that DrvEnableDriver must be exported by the driver dll. Well, I guess it makes sense since GDI as to link to it, but in that case shouldn't the exported function appears when I run dumpbin.exe? I'm just completely lost, that's all! Thanks in advance for your reply. Tag: ddk download Tag: 29638
  - 17
    - [Q] Checked build ndis.sys file Hello, every one. I'm trying to test my driver for WHQL test, but it require Ndis.sys file for HCT 11.2 at WinXP. Where can i get checked build ndis.sys file? Should i purchase it or is it included in HCT test kit or XPDDK? Thank you for your information in advance. //DAUM Tag: ddk download Tag: 29634
  - 18
    - Installing DiskPerf.sys on disk drive! Hello, I am trying to install the "DiskPerf.sys" filter driver using addfilter utility, but everytime I install it on devices listed by addfilter (addfilter /listdevices), the system fails to boot. The DiskPerf.sys help file mentions that the addfilter utility needs to be changed to install the filter driver, does anyone knows what need to be changed. I am using the following command line to install the Diskperf.sys as an upper filter; addfilter /device \Ide\IdeDeviceP0T0L0-3 /add diskperf.sys and addfilter /device \HarddiskVolume1 /add diskperf.sys Any help would be highly appreciated. Thanks, WD Tag: ddk download Tag: 29628
  - 19
    - EngLoadImage and function pool? Hi. Lets suppose a display driver would load an existing dll into its memory using EngLoadImage. Would that image be limited to call EngXXX functions as is the case for a display driver, or can the image call any kernel function? What I'm really trying to do is access the registry from my display driver but there doesn't seem to be any supported function for this!! so I was thinking of loading an image that uses ZwOpenKey and calling it from my driver. Can this be done or is there a simpler way? Thanks in advance. Tag: ddk download Tag: 29623
  - 20
    - Win SP1 XP DDK error Can someone tell me what the following error means: Linking c:\sio0_ezmon directory ******************** 'nmake.exe /c BUILDMSG=Stop. -i LINKONLY=1 NOPASS0=1 NTTEST= UMTEST= 386=1' NMAKE : U1073: don't know how to make 'C:\WINDDK\lib\i386 \free\usbd.lib' I am trying to rebuild one of Cypress's USB drivers using the Windows XP SP1 DDK in a checked environment can't figure this one out. Thanks. JSS Tag: ddk download Tag: 29621
  - 21
    - im crash I have an NDIS filter that works on "most" machines. However, on a couple machines we get a nasty crash: BugCheck D1, {0, 2, 0, 0} Stack trace: ChildEBP RetAddr Args to Child eb823974 8042c0c3 00000003 eb8239bc 00000000 nt!RtlpBreakWithStatusInstruction (FPO: [1,0,0]) eb8239a4 8042c487 00000003 00000000 00000000 nt!KiBugCheckDebugBreak+0x31 (FPO: [Non-Fpo]) eb823d30 8046856f 00000000 00000000 00000002 nt!KeBugCheckEx+0x390 (FPO: [Non-Fpo]) eb823d30 00000000 00000000 00000000 00000002 nt!KiTrap0E+0x27c (FPO: [0,0] TrapFrame @ eb823d4c) eb823dbc eb823dec bfb4fdd2 81f92c50 81f4df08 0x0 WARNING: Frame IP not in any known module. Following frames may be wrong. 00010246 00000000 00000000 00000000 00000000 0xeb823dec In the stack trace, on the second-last line, the value "81f92c50" is the pointer to the adapter structure we allocated and passed as the "ProtocolBindingContext" to NdisOpenAdapter(). This happens during bootup, after the BindAdapter() calls finish successfully but while the system is still coming up - we're getting bunches of QueryInformation() and SetInformation() OID's. To me it looks like someone is dereferencing a null function pointer. Any ideas who or why? Thanks, Warren Tag: ddk download Tag: 29606
  - 22
    - How do I periodically update my driver during development? I'm new to the DDK. I've never developed any drivers. I have the XP DDK. We have developed a custom PCI card (64-bit @ 66 MHz). We need to develop a throw-away driver that tests our hardware/firmware design. My driver needs only simple functionality. 1) Master true 64-bit transfers accross the PCI bus. 2) Allow our custom card to master single 64-bit transfers back into PC memory. I don't need to handle interrupts. My application will periodically check for a transfer. 3) Control multiple cards. Our target machine is a Dell Xeon Precision 650 under Win2K. It is a 32-bit machine with a couple of 64-bit PCI slots. I've watched the DDK videos and begun architectural tests on the toaster func example. For my first test, I've added three integers to the device extension and defined control codes for getting and setting each. How do I periodically update my driver during development? I seem to recall Brian Catlin suggesting that I need only install the driver once. After that, I can simply copy toaster.sys to C:\WINNT\system32\drivers. I can't get this to work on Win2K. I have to update the driver from the Device Manager using the inf file AND reboot the system. Is there a better way? Tag: ddk download Tag: 29605
  - 23
    - Starting and Stopping a driver Hi, NT4 had a panel to start and stop drivers without rebooting. Where can I find this panel in Win2000 ? It seems to no longer exist... so how can I do start and stop a driver now ? Tag: ddk download Tag: 29597
  - 24
    - how download the windows2000 ddk from microsoft web site? how?download the Win2K DDK?is it free now? Tag: ddk download Tag: 29589
  - 25
    - HID Report Maximum packet size for low speed devices over interrupt endpoint is 8 bytes. Can I use reports longer than 8 bytes? How do I have to format such reports? Can I use report ID field for such long reports ? Thanks. Tag: ddk download Tag: 29588
- Next
  - 1
    - is wmi supported by display drivers? Since display drivers are not "normal" wdm drivers, I would like to know if they support windows management instrumentation (WMI)? Also, is wmi bidirectionnal? As I understand, wmi is used to send driver information to user mode application, but can the opposite by done? That is user mode application sending information to driver? Thanks in advance. Tag: ddk download Tag: 29578
  - 2
    - Drivers for Windows XP Hi there! I have a Slot 1/Socket 370 M748LMRT PC100 Motherboard from PcChips and i need drivers for Windows XP. Does anyone know where i can download the drivers? Thanks. -- []'s woodlong Tag: ddk download Tag: 29577
  - 3
    - can display driver access registry? What function can a display driver call to get registry settings. Videoport driver can simply call VideoPortGetRegistryParameters but i wasnt able to find any similar function for display drivers. I really hope there is, but if not how should I store setting information? Tag: ddk download Tag: 29576
  - 4
    - Booting over USB 2.0 (with XP), some success... Hi all, I am attempting to make XP boot over USB (1.1 or 2.0). I know that this type of booting is "unsupported" by Microsoft. In fact, you cant even install XP on a USB drive. However, if the bios supports it, it is possible to boot from USB form a pre-installed version of XP. First, I really think that there is no need for any driver developpement since XP has every driver needed to boot over USB. My first attempt at a boot from USB resulted in a reboot after MUP.sys. Now it crossed my mind that maybe USB was not enabled at boot time so I created a new Group called USB miniport and USB storage and placed usbehci.sys, usbohci, usbhub and usbstor right after SCSI miniport in load order. I also changed the types so that USB is loaded at kernel time. I boot in /sos and see the USB drivers load right after the SCSI miniport. Unfortunetly, no luck I still have a reboot after MUP.sys. I then installed DriverStudio to see if I could write a simple USB mass storage driver to make things work. But after installing DriverStudio I tried again to boot over usb to see what happens with SoftIce and behold: the thing boots! It works even when you skip the boot message stating if you would like to skip the debugging. The only wierd part is that to log in to XP I now need to press cntl-alt-del when it says "loading personnal setings..." when you click on your username because it freezes. I investigated and found that SoftIce creates a group called NTIce that loads 4 drivers: nwfilter, sigvid, sigsym and ntice. Now something in these drivers is causing the USB boot to work. I just have no idea what that is. My idea is that sigsiv is printing a message on the screen saying "Do you want to load .... (press ESC to skip)" and waits a couple of seconds. Is it possible that this give the USB drivers enough time to enumerate the storage disk and boot or are these 4 drivers doing some obscure thing that would suddenly make the USB boot work? I know that sigsiv does more than just print a message to the screen. It must capture mouse events and connect to the VGA adapter to print the message. Maybe this is what is causing the boot to work for some unknown reason... Without this knowledge what approach could I use to boot over USB? Would it be a good approach to write an upper layer driver that would make the glue between USBSTOR and the primary boot disk drivers? Should I write my own USB storage driver which I could then use in the installation of XP using F6 in the textual part? What options do you think would work? Thanks in advance for any help, Daniel Shane Tag: ddk download Tag: 29562
  - 5
    - STATUS_IO_TIMEOUT Hi, Sometimes I get STATUS_IO_TIMEOUT when I send Async request to the 1394 driver stack. Why will we receive STATUS_IO_TIMEOUT? How to avoid this error? The same code works fine other times. Any help is appreciated. Thanks. Tag: ddk download Tag: 29555
  - 6
    - AV/C driver help! Hi, I'm trying to make a driver for a AV/C Tuner device, but I have major problems. The driver is there and I can communicate with avc.sys and avcstrm.sys, but I cannot open a stream. I found out that the problem is the hPlugLocal value which make the function fail. I'm not sure where i can get that handle from. Using the result from 61883's CreatePlug didn't gave me any success. I would like to know which function I have to use to establish the connection to the tuner to receive the data stream from the isochronous channel. Is there an example source how to use avcstrm.sys? Thanks ... Tag: ddk download Tag: 29552
  - 7
    - Which video card registers a driver is setting? I am trying to reverse engineer the Windows 98 driver for a video card in order to find out what hardware registers on the card the driver is setting. To do this under DOS, all I have to do is get the PCI offset in memory of the video card, and then instruct my debugger to break when the memory address corresponding to the register I am interested in is written to. I have absolutely no idea where to begin to do this under Windows, or if it is even possible. Can anybody point me in the right direction on how to accomplish this? Cody. Tag: ddk download Tag: 29549
  - 8
    - Dual DDK? Can the XP sp1 DDK reside on the same box as the Win 2000 DDK? I haven't received the XP DDK yet so I wanted to prep my computer prior to installation. Thanks. Tag: ddk download Tag: 29543
  - 9
    - WMI .Put() works on XP, but fails on Windows 2000 I've added some custom OIDs to an NDIS driver we are developing. I also wrote a user app in C# that correctly querys and sets these ULONG values as long as it is run on Windows XP. When running on Windows 2000 I can query at will, but all attempts to set a value fail with a result of WBEM_E_INVALID_PARAMETER. I have a breakpoint set at the beginning of my driver's xxxSetInformation function that never gets hit. I get the same result, (query OK, set object fails, breakpoint never hit), when I access the OID via <windows>\system32\wbem\wbemtest.exe, so the problem isn't in my user level code. I'm running as an administrator in both cases so I don't think there are any security releated issues. Q1) Do I need to configure Windows 2000 in some way to allow write access to custom OIDs? Q2) Does my NDIS miniport driver need to do anything special for Windows 2000 to allow write access? Tag: ddk download Tag: 29539
  - 10
    - Printing from remote machine returns incorrect page numbers Hello! I hope this is the correct newsgroup for this question. I wrote a program using API to monitor a printer queue on a Windows 2000 Server. It monitors all printjobs that are being printed and stores important information like the number of pages printed,... in a database. Monitoring printjobs that are being printed locally is no problem - all the fields are filled with the correct information. If a user prints a document from a Windows 2000 client machine using Word2000 or Notepad I also get all information (but there is a problem in one specific case). Windows 2000 Server local printjob (OK) Word document has 1 page - I print 100 copies Result is: Pages Printed: 1 - Total pages: 1 - Copies: 100 (In this case I can at least calculate the number of pages printed) Windows 2000 Client using shared printer from Windows 2000 Server (PROBLEM!!!) Word document has 1 page - I print 100 copies Result is: Pages Printed: 1 - Total pages: 1 - Copies 1 (????) and even more confusing Windows 2000 Client using shared printer from Windows 2000 Server (OK) Word document has 2 pages (more than 1 is enough) - I print 100 copies Result is: Pages Printed: 200 - Total pages: 1 - Copies 1 (This is also OK for me since I just want to know the number of pages printed) Both server and client are running Windows 2000 SP4 Office verison is 2000 with all SPs but this shouldn't matter since it also happens using notepad,... Also when watching the printer queue in Windows you can see the same information that I explained above. Why does Windows tell that there is just one page printed even if I print 100 copies from a client machine using the shared printer? Is this a bug - and is there a hotfix or some sort of workaround for this? Thank you for your help! Thomas Tag: ddk download Tag: 29534
  - 11
    - COM port init hello! i need monopolize com ports by my prog. i can't use standart windows com port api because i have to immediatelly response to request. i decided to use kmd. driver works under XPE with "standart computer" (not "computer with acpi"). driver works properly until i deleted serial.sys and serenum.sys to prevent windows to connect to ports. when i deleted drivers port read always return 0xff. what i have to do to initiate ports. thank you! Tag: ddk download Tag: 29531
  - 12
    - UsbHid driver About 50% of HID reports (every second one) from my custom device are lost. I use ReadFile function in the loop to read reports. What is interesting that another third-party utility receives about 95% of valid data. About 5% is lost. Any idea where can be the problem ? Some more details: Device is low-speed, using interrupt endpoint for sending 8 bytes of data each 10 ms. Tag: ddk download Tag: 29517
  - 13
    - Kernel DLLs in NDIS drivers I have a quite big and complex NDIS/WDM driver (~ 300 Kb) and would like to split some stuff into several DLLs. 1. What are my chances to pass compatibility test & get it logo'ed? 2. Do kernel DLLs work on win9x? Thanks, - PA Tag: ddk download Tag: 29511
  - 14
    - assigning ipaddress dynamically to IM Driver. Hello, We want to assign the ip address to virtual miniport of IM Driver (TCP/IP->virtual miniport) for some session. Modifying registry does not help... How these things are getting managed on windows.. We need to this in application or driver?? ipconfig and all utilities does not show changes done in registry till reboot(which is not possible in our case) how dhcp address assignment works dynamically..(without reboot..like winipcfg)?? So similar kind of thnig is possible(not dhcp) but assigning ip address dynamically to virtual miniport of driver. Thanks in Advance, nimeesh Tag: ddk download Tag: 29510
  - 15
    - PASSTHRU bugs? Hi, all! I've looked through PASSTHRU (nice pun =) ) recently and found out, that it conflicts with PnP section of IM drivers. 1.DDK states: "No Receives nor Status should be indicated while virtual miniport of NDIS intermediate driver is sleeping" PASSTHRU checks for MPDeviceState at the ProtocolStatus and not retranslates it up when virtual miniport is sleeping, but does not do this for its ProtocolReceive. Is it a bug? 2. DDK states: "No sends nor queries (requests) should be send to lower driver while protocol part of NDIS intermediate driver is sleeping" Again, PASSTHRU checks for PTDeviceState in MiniportSetInformation/MiniportQueryInformation, but does not check it in the MiniportSend nor MiniportSendPackets. Is it a bug? Thank you in advance. Tag: ddk download Tag: 29504
  - 16
    - CYPRESS USB DRIVER Hi all, Let me go right to the point. 1) Is there any substitution for ezusb driver such that allows asynchronous bulk transfers? 2) When the request (for bulk transfer) stalls what is the best way to cancel the request? 3) Suppose I need to arm the driver (issue bulk request for reading to the host) and after that issue interrupt request to the periph to start writing the data. So far with blocked transfer mode, my second request is not sent because host is stalled on the first request. The first request could not be satisfied because only after the second request is sent the data will start coming. If I would have driver with asyncronous capabilities could the second request be processed ealier? (are all requests passed through the same driver's queue in first-in first-out fashion?). I guess if I will send the second request from the other thread it will go to the different driver's queue and can be processed ealier but I don't want to do it becasue of the possible race conditions. Thank You, Dmitri. Tag: ddk download Tag: 29500
  - 17
    - Using IPrintOemUni::ImageProcessing and soft fonts I am trying to use IPrintOemUni::ImageProcessing combined with soft fonts to use unidrv to drive a printer which requires custom compression of low resolution (images, lineart) data as well as custom compression of high resolution (ie font) data. I was hoping to compress the low-res data in ImageProcessing() and then use the TTDOWNLOAD_TTOUTLINE option of TTDownloadMethod() to get the font data separately through calls to OutputCharStr(). However when I try this I find that OutputCharStr() is never called and the text is always rendered at the low resolution. Is what I want to do possible? I have tried all the options to TTDownloadMethod(), and none of them seem to make a difference. Regards, Hank Jones Tag: ddk download Tag: 29495
  - 18
    - setupdi calls I was working with the setupapi calls on windows 2000, the only error i got while executing, was " unresolved external symbol _imp_setupdideviceinfo " and such for all the setupdi calls. can Anyone help me out to resolve these errors in the obj file. thanks a lot shradha Tag: ddk download Tag: 29491
  - 19
    - Is this a valid INF directive? [Xscan.] I noticed this delimiter within an INF file. I can't find any documentation within the MSDN that states this is valid. Is anyone familiar with this type of undecorated section? Can someone confirm it is valid? Thanks! JW Tag: ddk download Tag: 29490
  - 20
    - Watchdog in WinXP Hi, I want to know if there are any ways to tweak the Windows Watchdog registers/values. One of our Driver functions takes up more than 15seconds (WAtchdog timer value), to complete its operation. And hence the Watchdog fires and the system bugchecks with THREAD_STRUCK_IN_DEVICE_DRIVER. As I cannot reduce the execution time in my driver, I want to know, if there are any interfaces to tweak watchdog registers or parameters if watchdog is emulated in software. Regards, ashok. Tag: ddk download Tag: 29489
  - 21
    - USB BULK speed, driver hello, I am developing driver for CYPRESS USB2.0 FX2, EP2, BULK IN, My problem is that I must do BULK_READ within every melliSecond or even 500uS or less. Otherwise the data will losed between two BULK_READ, because the FIFO in CYPRESS FX2 is very small. How can I do that? Is it possible to let the Driver continuesly do BULK_READ, and fill an ring_buffer? time between 2 BULK_READ must be 1ms or less. thank you very much. william Tag: ddk download Tag: 29488
  - 22
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is there such a thing anymore?
say 2000+, even the smallest subset will do.

Re: ddk download by Mark

Mark
Sat Aug 02 08:02:35 CDT 2003

On Sat, 2 Aug 2003 12:13:37 +0200, "flekso" <taurus@email.hinet.hr>
wrote:

>is there such a thing anymore?
>say 2000+, even the smallest subset will do.
>

MSDN Universal subscribers can download the ddk from the MSDN site.
For the price of shipping, Microsoft will send you the latest DDK. If
you mean you want a free ddk, sorry, this is copyrighted material and
Microsoft no longer makes it available as a free download. However,
the second alternative: cost limited to shipping charges, seems
remarkably reasonable to me considering that the latest DDK contains
the entire toolset required for building Windows components from the
kernel up to and including user applications.

=====================
Mark Roddy
Windows XP/2000/NT Consulting, Microsoft DDK MVP
Hollis Technology Solutions 603-321-1032
www.hollistech.com
markr@hollistech.com
For Windows Device Driver Training: see www.azius.com

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