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- Previous
 - 1
 - WDM Streaming minidriver problem Hi all I've constructed a WDM streaming minidriver that reads packets from USB hardware. These packets contain video The video packets get reassembled into video frame and appear on a capture pin and a preview pin. This works just fine, and I have clean video on my PC. I've add an still pin(Major type video; dub type RGB24) for capturing better quality sill image. On GraphEdit, when I render the still pin, it connect to the still pin on the Video Renderer just as I'd expect. But when I play it, my PC is halted with blue screen. My driver gets the SRB_READ_DATA stream request via the StrMiniReceiveStreamDataPacket() function. According to the DDK documentation, pSrb->CommandData.DataBufferArray is supposed to point an array of KSSTREAM_HEADERs. pSrb->NumberOfBuffers is supposed to indicate how many such headers there are in the array (in my case, NumberOfBuffers is 1). So I look inside the KSSTREAM_HEADER supplied, but FrameExtent == 1, I cann't believe that it is right. Also according to the DDK documentation, FrameExtent specify the size of Frame. In Captue and Preview case, FrameExtent has suitable value for a frame. But in Still case, It's wrong. I cann't understand why that variable has 1. Am I doing something wrong? PLS, any comment or advices for me. Thanks -- Jeon, Seung-Chul Tag: DMTT_BITMAP Tag: 37331
 - 2
 - WPA and ZWC I have added all required OIDs to convince ZWC that my 802.11 adapter is WPA-capable. Now ZWC allows me to select WPA and WPA-PSK as authentication options, and WEP, TKIP, and AES as encryption. Upon associating to a WPA AP, the access point sends EAPOL-Key packet, which I indicate to NDIS. ZWC keeps querying OID_802_11_ASSOCIATION_INFORMATION, but it doesn't set OID_802_11_ADD_KEY and no ethernet frames are being sent from the NDIS to my miniport. Where should I look? Unfortunately debug version of WPA ZWC is not available, so I am stuck. Tag: DMTT_BITMAP Tag: 37330
 - 3
 - device manager doesnot appear My application(app1.exe)which talks to virtual COM port(USB virtual COM driver by FTDI Ltd) has some problem. Driver works fine. My application terminated abnormally. I couldnot open the Device manager from then. When I try to open device manager, a mmc.exe appears in Task manager, but I dont see it in displayed. What was the problem. I assume, application however corrupt it is, cannot cause device manager to stop appearing. I didnot understand what can stop device manager from appearing. Thanks. Tag: DMTT_BITMAP Tag: 37329
 - 4
 - A question on Passthru IM driver Hi, I was going through the code of Passthru sample IM driver. I am not sure why the following has been done. (e.g., in MPSendPackets. And Similarly for PRECV_RSVD) ----------------------------- . . . PSEND_RSVD SendRsvd; SendRsvd = (PSEND_RSVD)(MyPacket->ProtocolReserved); SendRsvd->OriginalPkt = Packet; . . . ----------------------------- They are trying to store a pointer value "Packet" (4 bytes) in an array of UCHAR[1] "MyPacket->ProtocolReserved". This would work as long as the size of NDIS_PACKET is 3 bytes short of a 4-byte boundary (NDIS_PACKET comes out to be 57 bytes!). I am wondering why it is being done this way at all? Thanks, Sav Tag: DMTT_BITMAP Tag: 37327
 - 5
 - Audio Midi In Hello, This is an audio/midi driver related problem. I hope somebody can help. I try to write a simple midi-in driver where data is transfered from a device to some midi software application. Therefore i took the DDK dmusUART sample as a basis and modified it to my needs. Now the driver is just for input. By orienting at the sample and the DDK documentation all pin declarations and property request handlers should be correct. The device shows up correctly in the audio device listings and can be selected as input. But when i try to connect the IMXF is created, initialized and the output connects and immediately disconnects. After that the IMFX is destroyed. This happens about 28 times and no data is transfered. After that the application beliefs it ist connected but the driver shows no singns of life anymore and does not react on any further connection attempts. Can anyone help? Thanks. Best regards, Timo Tag: DMTT_BITMAP Tag: 37313
 - 6
 - Longhorn QoS from kernel-mode? Hi everyone, does anyone know if it will be possible to do QoS-stuff for network- connections from within kernel-mode? Tobias Tag: DMTT_BITMAP Tag: 37312
 - 7
 - Memory mapping on Windows Server 2003 Hi All, I have a very strange problem that is showing up on Windows Server 2003. This problem can't be reproduced on NT4, 2000, or XP. I have a small driver that maps an area of the paged pool into the user address space of a process, as follows (error checking code removed for clarity): // Allocate the memory for the sharead buffer pKernel = ExAllocatePool( PagedPool, dwMemSize ); // Next we allocate an MDL to describe the memory we will map pMdl = IoAllocateMdl( pKernel, dwMemSize, FALSE, FALSE, NULL ); // This returns Void, but raises an exception, on error MmProbeAndLockPages( pMdl, KernelMode, IoWriteAccess ); // Map the locked pages into User mode pUser = MmMapLockedPagesSpecifyCache( pMdl, UserMode, MmCached, NULL, FALSE, NormalPagePriority ); And to free the shared buffer we have another function: // Unmap the kernel buffer from User space MmUnmapLockedPages( pUser, pMdl ); // Unlock the kernel buffer from memory MmUnlockPages( pMdl ); // Free the MDL describing the memory IoFreeMdl( pMdl ); Data gets written into the shared buffer in kernel mode, and is read out in a user mode thread. Access to the buffer is protected by shared synch. objects. However, under high memory and disk loads, Windows 2003 is crashing in very strange ways. Usually, it bugchecks in a system thread which is trimming the working set of a process with: PFN_LIST_CORRUPT (4e) Typically caused by drivers passing bad memory descriptor lists (ie: calling MmUnlockPages twice with the same list, etc). If a kernel debugger is available get the stack trace. Arguments: Arg1: 00000099, A PTE or PFN is corrupt Arg2: 00000112, page frame number Arg3: 00000000, current page state Arg4: 00000000, 0 I can assure you that the unmap function is not being called before the machine crashes. I've also seem other strange crashes where whole pages of the kernel virtual memory space seem to be being replaced with garbage. E.g. a call to IoCallDriver was failing because the 4k page had been replaced by 0x4141414141... Another time the EPROCESS page was replaced with 0xcdcdcdcd... Does anyone have any suggestions as to why this might be happening? It's reproducable on several 2003 machines. More importantly, how can I track down the source of the problem? Driver verifier doesn't show up any problems... Please help me! Best Regards, Otto Tag: DMTT_BITMAP Tag: 37309
 - 8
 - MY HID Mouse, how to "write data" to my HID mouse form Win32 AP ? Hello, I write a driver (XP driver) for my HID mouse, my HID mouse need some data to proccess some things, ===================================================================== because my HID mouse have some LED and memory, i hope i can control it and write data to the memory of my HID mouse, ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ===================================================================== when my user-mode win32 APPLICATION , CreateFile to open my HID mouse device, got this message "Access Denied!".. anyone know some way to solve it!? please help me!....... FISH goldfish@ms5.url.com.tw Tag: DMTT_BITMAP Tag: 37308
 - 9
 - NDIS Intermediate Driver (NDISPROT) extended with IOCTL_REBIND_ADAPTER I'am developing an application which requires to dynamically update the TCP/IP protocol settings for a WLAN card, such as DHCP enabled/disabled, APIPA enabled/disabled, setting IP address, setting Subnetmask, etc. The program shall run under XP SP1. I came to the conclusion that I need to provide my own IntermediateDriver, such as NDISUIO and extend it by my private IOCTL to rebind an adapter. I've been using the NDISPROT DDK example as a starting point. (NDISPROT and NDISUIO are basically the same, there is only very little difference. NDISPROT comes with Server2003 DDK, whereas NDISUIO comes with XP DDK). Anyway, the NDISPROT IM driver is running on my XP/SP1 system already. In nuiouser.h I have defined: #define IOCTL_NDISPROT_REBIND_ADAPTER \ _NDISPROT_CTL_CODE(0x206,METHOD_BUFFERED,FILE_READ_ACCESS | FILE_WRITE_ACCESS) The plan is to call this IOCTL from the application, which also works already. Now, I stuck a bit, as I dont know much enough about the inner working of NDIS. My initial idea was, to invoke: 1) ProtocolUnbindAdapter, and 2) ProtocolBindAdapter from within the 'NdisProtIoControl' function (equals 'NdisuioIoControl' in NDISUIO sample) in ntdisp.c file. Unfortunatly, I dont know what paramters to use when calling them. VOID ProtocolBindAdapter( OUT PNDIS_STATUS Status, IN NDIS_HANDLE BindContext, //what shall I use here??? IN PNDIS_STRING DeviceName, //what shall I use here??? IN PVOID SystemSpecific1, //what shall I use here??? IN PVOID SystemSpecific2 ); VOID ProtocolUnbindAdapter( OUT PNDIS_STATUS Status, IN NDIS_HANDLE ProtocolBindingContext, //what shall I use here??? IN NDIS_HANDLE UnbindContext //what shall I use here??? ); Can anyone help me on my problem? Does anyone has some example, on how they have done a similar solution? (PS: WINCE already does have a REBIND IOCTL, but I doubt that it helps for XP system...) I'm a still on the right track for dynamically re-initailising the IP, DHCP stuff? Tag: DMTT_BITMAP Tag: 37303
 - 10
 - Need help with I/O request for disk drivers Can someone show me how to setup and use the DeviceIoControl IOCTL_DISK_FORMAT_TRACKS_EX Operation This IOCTL is similar to IOCTL_DISK_FORMAT_TRACKS except that it allows the caller to specify several more parameters. The additional extended parameters are the format gap length, the number of sectors per track, and an array whose element size is equal to the number of sectors per track. This array represents the track layout. I'm particularly interested in the additional extended parameters, format gap length and the track layout array. Any help will be appreciated. John -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 100,000 Newsgroups - 19 Different Servers! =----- Tag: DMTT_BITMAP Tag: 37301
 - 11
 - Communicate with printer driver. Hello! I have a program that prints some documents and I want to add markups to them. I don't have a source so I can't modify the document :(. Is it possible to modify the printer driver or maybe try to communicate with it. Any suggestions how to solve it? Thanks! adas Tag: DMTT_BITMAP Tag: 37300
 - 12
 - Resources assignment Hi!, I have a couple of questions: The device for which I'm writting a wdm driver has I/O ports, memory ranges, DMA and IRQs. So I've been writing a basic driver (just to read a port). 1. My first doubt is: If I only write in my start device routine that I have I/O port resources, could be a problem? I mean by just ignoring the other resorces, could a problem arise? 2. When the PnP manager sends me a filter resource requirements irp, does that mean that there is no information about the resources "inside" my device? Or is because of my driver?? Thanx Tag: DMTT_BITMAP Tag: 37294
 - 13
 - USB SCard Reader Driver Hello ! I need to write a USB SCard Reader driver. DDK provides an example of USB generic device and an example of PCMCIA SCard Reader. Is it possible to somehow merge them ? Or may be there is another way to build a USB SCard Reader driver without developing it from the scratch ? (or bying from MS programmers who sell such products independently from MS) Thank you ! Tag: DMTT_BITMAP Tag: 37286
 - 14
 - How to get lower stack device object in miniport driver? I am writing a miniport driver for audio. I want to request to lower stack device object. But, i have only PDO that come down in AddDevice(). How to get lower stack device object in miniport driver? thanks, Jogerse Tag: DMTT_BITMAP Tag: 37281
 - 15
 - Createfile failed(access denied) when logged on as limited user I have written a NDIS IM device driver and I used IOCTRL to communicate between my user mode app and the device driver. It works fine when logged on as Administrator but createfile fails (access denied) when logged on as limited user. Anyone know how to get around this? I called create file with the following attributes. CreateFile (TEXT"\\\\.\\MyDriver"), GENERIC_WRITE | GENERIC_READ, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL |FILE_FLAG_OVERLAPPED, 0); Is this to do with how I installed the driver or the way I called createfile? Tag: DMTT_BITMAP Tag: 37279
 - 16
 - Print Optimization Could anyone explain what is really the purpose of the Print Optimization feature in the Advanced tab of the printer property page? What does Print Optimization feature do? Thanks. alvin Tag: DMTT_BITMAP Tag: 37278
 - 17
 - 802.1x - Setting the Dynamic WEP Keys Hi, I am writing an application that allows a user to connect to 802.1x access points. I connect to the access point, and use EAPOL to get both the broadcast and unicast keys. I try setting the keys using OID_802_11_ADD_WEP, but I don't get a valid connection (i.e a valid DHCP connection). Here is some pseudocode of what I am doing: if (!SetInfrastructureMode(Ndis802_11Infrastructure)) return FALSE; if (!SetAuthenticationMode(Ndis802_11AuthModeOpen)) return FALSE; if (!SetEncryptionStatus(Ndis802_11Encryption1Enabled)) return FALSE; if(!SetSSID(strSSID)) return FALSE; // do EAPOL code, to get WEP Keys if (!SetWEPKey(broadcastkey, keyLength, keyIndex,bBroadCast /*= TRUE */)) return FALSE; if (!SetWEPKey(unicastkey, keyLength, keyIndex,bBroadCast /*= FALSE*/)) return FALSE; The keys get set correctly, but I do not get a valid DHCP address. I found some Microsoft documentation, that basically said that unicast keys are not supported yet. Is this true? It also set that only one key can be set. The last key set is the active one. So I have tried only setting one of the keys, and it still does not work. Also below is a sample of how I set the WEP key. PNDIS_802_11_WEP pWEP; UCHAR * pOidData = NULL; int nLength; nLength = keyLength + 12; // D311 has a problem if the data is not at least 16 bytes long and has a 4 byte boundary if (nLength % 4) nLength += (4 - (nLength % 4)); pOidData = new UCHAR[nLength]; memset(pOidData,0,nLength); pWEP = (PNDIS_802_11_WEP) pOidData; pWEP->Length = nLength; // sizeof NIDS_802_11_WEP structure, this includes length of network key if (bBroadcast) pWEP->KeyIndex = keyIndex | 0x80000000; // we set bit 31 to specify global key else pWEP->KeyIndex = keyIndex; pWEP->KeyLength = keyLength; memcpy(pWEP->KeyMaterial,pKey,keyLength); If someone could tell me what I am missing or what I am doing wrong, it would be greatly appreciated. Thanks Shane Tag: DMTT_BITMAP Tag: 37272
 - 18
 - Shopsmart ASP FREE Shopping Cart <HTML> <HEAD> <META NAME="GENERATOR" Content="Microsoft DHTML Editing Control"> <TITLE></TITLE> </HEAD> <BODY> Download <A href="http://www.shopsmart.com.au">http://www.shopsmart.com.au</A> <A href="http://www.shopsmart.com.au"></A> Demo Storefront <A href="http://www.shopsmart.com.au/cart/">http://www.shopsmart.com.au/cart/</A> Demo Backoffice <A href="http://www.shopsmart.com.au/cart/backoffice/">http://www.shopsmart.com.au/cart/backoffice/</A> Order <A href="http://www.shopsmart.com.au/buynow.asp">http://www.shopsmart.com.au/buynow.asp</A>   </BODY> </HTML> Tag: DMTT_BITMAP Tag: 37266
 - 19
 - Crypto API calls from inside a filter driver I have a client that would like me to write a serial device filter driver and use the Crypto API calls to encrypt/decrypt the data stream. Is it legal/safe to call those routines from inside a filter driver? Dave Tag: DMTT_BITMAP Tag: 37261
 - 20
 - bulkusb, isousb, selsusp Hi All, There is the Pending I/O queue called NewRequestsQueue, and a procedure QueueRequest intended to enqueue requests while the Pending I/O queue is in HoldRequests state, and a procedure ProcessQueuedRequests intended to deplete the queue. The ProcessQueuedRequests is called in appropriate places, but the QueueRequest is never called, why? TIA Andrew Tag: DMTT_BITMAP Tag: 37260
 - 21
 - Sending a WM_ message from WDM to app Hi all! How can I send a windows message to an application from a WDM driver? Several years ago I wrote a VxD driver for an ISA device used in our equipment. Through an IOCTL message, our application would pass its handle and the VxD would store it. When the VxD had something ready for us it would use the handle to send the app a windows message at which time we might have to do some sort of IOCTL to the driver or more commonly read a message in dualported memory. Good or bad programming practice it worked quite well. We are migrating to XPe and I'm trying to translate this possibly dubious practice from VxD to WDM. I have all the tools. XP DDK, Walter Oneys book and Compuware Driverworks. I used VtoolsD for the last driver. Thanks in advance, Dave dskok@LOVELYSPAMlehighdim.com take out LOVELY and SPAM Tag: DMTT_BITMAP Tag: 37258
 - 22
 - how to deal with packet in calling NdisMIndicateReceivePacket I am trying to write a virtual network drive which the incoming traffic is from DeviceIoControl routines instead of a "real" NIC. Whenever the driver get any incoming traffic, it should call NdisMIndicateReceivePacket() to notify the protocol driver that a packet is ready. However, one of the input is (PPNDIS_PACKET) ReceivePackets. It turns out that there should be an array of packets. Here are my questions: 1) How often should I call NdisMIndicateReceivePacket()? 2) How should I deal with the packet array allocation? Should I allocate packet and associated buffer space in initialization? or whenever I need? Thanks!! Tag: DMTT_BITMAP Tag: 37252
 - 23
 - IoQueueWorkItem on Win98 ?!?!? Hi, I'm used to use the same P&P driver on Win2k\Win XP, and Win98. After adding the "IoQueueWorkItem" routine, the driver cant be loaded on Win98. I read somewhere that it doesn't supported on Win98. Is it true ? Is there any new/better routine that i can use for all WDM OS's ? I'm trying to avoid re-compiling the driver for each OS. Thanks a lot mich Tag: DMTT_BITMAP Tag: 37246
 - 24
 - Virtual Printer Driver Hi, I have to develop a virtual printer driver which can do the following stuff: - generating a bitmap( color/monochrome) - generation a textfile, in which all DrvTextOut string are stored - the complete strings should be parsed and replaced, if needed( special sequences ) - the replaced string should be updated in the bitmap I have tested both the msplotter sample in which I can easily acess the text in DrvTextOut and the oemdll sample in with which I can generate a bitmap. But the parsing and manipulation of matched string in the bitmap makes me headaches. Can a unidriver plugin do all the things? Any hints, tips are welcome. Regards, Harald Tag: DMTT_BITMAP Tag: 37245
 - 25
 - How to tell GDI no glyph index support Does anybody know of a GDIINFO cap or any other way to tell GDI that a printer driver does *not* support glyph indeces? We would like to ensure that only character codes make their way to DrvTextOut. thx, Andrei Tag: DMTT_BITMAP Tag: 37244
- Next
 - 1
 - SetupDiGetDeviceRegistryProperty The MSDN online suggests in "Driver Information in the Registry" http://msdn.microsoft.com/library/default.asp? url=/library/en-us/install/hh/install/install-over_6e3r.asp That IoGetDeviceProperty() and SetupDiGetDeviceRegistryProperty() be used instead of accessing the registry directly. I'm interested in getting the resources used by drivers. I realize that Device Manager reports these resources and so they are available. I tried using IoGetDeviceProperty, but blue screens with PNP_DETECTED_FATAL_ERROR 0x02 got in my way, thus I'm looking at SetupDiGetDeviceRegistryProperty(). However, the DevicePropertyBootConfigurationTranslated is not apparently available from SetupDiGetDeviceRegistryProperty (). The SPDRP_DEVICE_POWER_DATA doesn't provide the resources, and I'm looking at SPDRP_DRIVER which provides the Driver Key in the registry (Software Key). It also refers back to "Driver Information in the Registry." Can I get the resources for drivers without looking in the registry? Do I have to read the ...\Control\AllocConfig which is a REG_RESOURCE_LIST? And if so, what is the format of that binary data, a CM_RESOURCE_LIST type of thing? Thanks, John Muczynski Bauer Controls Ann Arbor, MI Tag: DMTT_BITMAP Tag: 37242
 - 2
 - Audio Midi Driver Hello, This is an audio/midi driver related problem. I hope somebody can help. I try to write a simple midi-in driver where data is transfered from a device to some midi software application. Therefore i took the DDK dmusUART sample as a basis and modified it to my needs. Now the driver is just for input. By orienting at the sample and the DDK documentation all pin declarations and property request handlers should be correct. The device shows up correctly in the audio device listings and can be selected as input. But when i try to connect the IMXF is created, initialized and the output connects and immediately disconnects. After that the IMFX is destroyed. This happens about 28 times and no data is transfered. After that the application beliefs it ist connected but the driver shows no singns of life anymore and does not react on any further connection attempts. Can anyone help? Thanks. Best regards, Timo Tag: DMTT_BITMAP Tag: 37237
 - 3
 - Printer Driver - Unidriver related This GPD code given below is taken from the ddk sample - hplj5.gpd *PrintableArea: PAIR(9600, 12720) *PrintableOrigin: PAIR(300, 220) *CursorOrigin: PAIR(300, 220) *Command: CmdSelect { *Order: DOC_SETUP.12 *Cmd: "<1B>&l2a8c1E<1B>*p0x0Y<1B>*c0t5760x7656Y" } my questions are: 1. What commands does *PrintableArea, *PrintableOrigin and *CursorOrigin insert into the PCL stream ? What is this used for ? I could not find much documentation about this in the DDK help also. 2. The printable area length according to calculation should have been 12760 (13200 - 220 - 220), but here it is only 12720 , where did the 40 units go? I have seen this difference in other In-box GPD's 3.I had created a GPD for my printer, letter paper size portrait mode values are as follows, *PrintableArea:PAIR(9800, 12800) *PrintableOrigin: PAIR(200, 200) *CursorOrigin: PAIR(200, 200) *Command: CmdSelect { *Order: DOC_SETUP.21 *Cmd: "<1B>&l2a8c1E" } When tested with WHQL tool the rectangle did not have the right side. When I changed the *PrintableArea to *PrintableArea:PAIR(9799, 12800) it started working fine. These measures are in terms of 1/1200 of an inch, how did that 1 unit make the difference ? -Thanks in advance Tag: DMTT_BITMAP Tag: 37236
 - 4
 - When can I read registry(HKLM\SOFTWARE) at booting? In driver, it always fails to read registry key of SOFTWARE hive at booting, is there any way to determine when to read it? Thanks in advance! -Polo Tag: DMTT_BITMAP Tag: 37234
 - 5
 - About USB selective suspend support I would support USB selective suspend feature for my usb storage device. What component need to be modified to support this feature? Can all Windows platforms support USB selective suspend? The usb storage device use the build-in driver on Windows XP. Does the build-in usb storage driver support USB selective suspend feature? Best Regards Jackal Huang Tag: DMTT_BITMAP Tag: 37233
 - 6
 - FW: Only dmDuplex member(PS Driver) cannot be updated on reason of PROPSHEETUI_REASON_DESTROY ***FW from microsoft.public.ddk.win2000.printer.video Hi All I am developing a PostScript printer driver by modifying WindowsXP ddk samples "Windows 2000 OEM UI Customization Sample (PS)", and encounterring a problem on updating dmDuplex member of public DEVMODE. It's very weird: 1. On original sample, system standard "Layout" and "Color" sheet is hidden, if I don't hide the 2 sheets(directly return E_NOTIMPL in IOemUI2::HideStandardUI()), then dmDuplex can be updated normally. 2. The problem is not reproduced on updating other public DEVMODE members, such as dmOrientation, dmCopies, dmPaperSize and dmScale. I was not using CPSUI to make my plugin property sheets, so I cannot use DrvUpdateUISetting() to update user settings. Below is the testing code I am using to update public and private DEVMODE under reason of PROPSHEETUI_REASON_DESTROY on hrOEMDocumentPropertySheets(PPROPSHEETUI_INFO pPSUIInfo, ...): ... POEMUIPSPARAM pOEMUIParam; PDEVMODE pTestDevmode; pOEMUIParam = (POEMUIPSPARAM)pPSUIInfo->lParamInit; pTestDevmode = (PDEVMODE) pOEMUIParam->pPublicDM; //check value of pTestDevmode->dmDuplex at here: it is 1. pTestDevmode->dmDuplex = 2; pPSUIInfo->pfnComPropSheet(pPSUIInfo->hComPropSheet, CPSFUNC_SET_RESULT, (LPARAM)NULL, (LPARAM)CPSUI_OK); //check value of pTestDevmode->dmDuplex at here: // it is 1 if Layout and Color sheet is hidden. <-- Problem! // it is 2 if Layout and Color sheet is not hidden. <-- Expected ... I will be appreciated if anyone can give me any advice on this. Tag: DMTT_BITMAP Tag: 37231
 - 7
 - Using KeSetTimerEx Hello All, Basically my requirement is to perform some action after every fixed time interval. I therefore create a "synchronization" type timer and using KeSetTimerEx () i schedule the timer. But it looks like the timer is not called at the time interval i need it to invoke the timer callback routine. I check this using KeQuerySystemTime (). Following are the steps: 1) KeInitializeTimerEx (&(pDevExt->myTimer), SynchronizationTimer); KeInitializeDpc (&(pDevExt->myTimerDpc), myTimerRoutine, pKsDev); 2) timerDelay.QuadPart = -180000; // 18 ms KeSetTimerEx (&(pDevExt->myTimer), timerDelay, 18, &(pDevExt->myTimerDpc)); But what i observed to my dismay is that my myTimerRoutine () was called at approximate intervals like: 15.625 ms 15.625 ms 15.625 ms 15.625 ms 31.250 ms and so on as the pattern keeps repeating.... Any reason why this is happenning? Is it possible to make the timer routine be called at the exact timer interval? Also, i used KeSetTimerEx (&(pDevExt->myTimer), timerDelay, &(pDevExt->myTimerDpc)); but the timer routine got invoked only once! Is there something iam missing here? Can someone throw some light on this? Regards, Hari. Tag: DMTT_BITMAP Tag: 37230
 - 8
 - Help required on Surprise Removal in XP (NDIS5.1) when writing NDIS-WDM Hello, I am writing a NDIS-WDM (USB ) driver for NDIS5.1 (XP). I used the sample from Eliyas. I saw the mailing lists and set the NDIS_ATTRIBUTE_SURPRISE_REMOVAL_OK bit in the call to NdisMSetAttributesEx from MiniportInitialize function. And I implemented the additional MiniportPnPEventNotify function also. When I plug-in the cable, Windows loads my driver. But the "System Tray" icon for "Safely Remove Hardware" appears. When I remove the cable, I get a call to my PnPEventNotify function with SurpriseRemoved event set. There is no pop-up error message as per XP standards. But, I was under the understanding that if the SURPRISE_REMOVAL_OK bit is set, even the "tray icon" does not appear. Please help me in making sure that my understanding is right. If I am wrong, what have I done wrong in the driver that this is not working? Any pointers or any kind of help is greatly appreciated. Thanks in advance for the great help. Best Regards, GNRaj Tag: DMTT_BITMAP Tag: 37226
 - 9
 - Help required on Surprise Removal in XP (NDIS5.1) when writing NDIS-WDM Hello, I am writing a NDIS-WDM (USB ) driver for NDIS5.1 (XP). I used the sample from Eliyas. I saw the mailing lists and set the NDIS_ATTRIBUTE_SURPRISE_REMOVAL_OK bit in the call to NdisMSetAttributesEx from MiniportInitialize function. And I implemented the additional MiniportPnPEventNotify function also. When I plug-in the cable, Windows loads my driver. But the "System Tray" icon for "Safely Remove Hardware" appears. When I remove the cable, I get a call to my PnPEventNotify function with SurpriseRemoved event set. There is no pop-up error message as per XP standards. But, I was under the understanding that if the SURPRISE_REMOVAL_OK bit is set, even the "tray icon" does not appear. Please help me in making sure that my understanding is right. If I am wrong, what have I done wrong in the driver that this is not working? Any pointers or any kind of help is greatly appreciated. Thanks in advance for the great help. Best Regards, GNRaj Tag: DMTT_BITMAP Tag: 37225
 - 10
 - Aysnch events Hi, I am having problems in generating Asynchronous events from kernel mode to user mode.I am sending a large data to the device driver from the user mode application and i want the deviceiocontrol to return immediately as soon as it places the request.At present what i am doing is once i get the request in the dispatch routine the status is set to STATUS_PENDING and complete the IRP in the DPC routine of the ISR.When i do this the deviceiocontrol is not returning immediately.please help me out. thanks sai Tag: DMTT_BITMAP Tag: 37224
 - 11
 - What's SetupDi equivalent to CM_Query_Remove_SubTree? I would query whether the usb device can be safely removed. CM_Query_Remove_SubTree should be able to do this. DDK document suggests use SetupDi API instead. What's SetupDi equivalent to CM_Query_Remove_SubTree? DDK document notes that use SetupDi function for many CM functions. I think it should tell us what's the SetupDi equivalent to those CM functions. Best Regards Jackal Huang Tag: DMTT_BITMAP Tag: 37220
 - 12
 - How to perform safe remove operation on Windows ME? The user can safely remove the usb device via system tray icon on Windows ME. I would write a program to perform the safely remove operation. CM_Request_Device_Eject can perform safe remove operation on Windows 2000/XP. But it is not supported on Windows ME. How does the program to do this on Wondows ME? Best Regards Jackal Huang Tag: DMTT_BITMAP Tag: 37216
 - 13
 - dmTTOption I have a printer driver for Windows 2000 using Unidrv. I made an application to modify the values of the DEVMODE of the driver using SetPrinter and GetPrinter. When I set the dmTTOption to DMTT_BITMAP, the driver cannot support Device Fonts anymore. What I understand, dmTTOption specifies only how True Type Fonts will be printed. Why this phenomenon occurs? Could anyone give some explanation or some written materials explaning this behavior? Thanks. alvin Tag: DMTT_BITMAP Tag: 37214
 - 14
 - Checked build for WPA-capable WZC Where can I get subj? Tag: DMTT_BITMAP Tag: 37210
 - 15
 - Did anybody try to write printer drivers for 10 or 12-bit gray level printers? Hi, The majority of printer drivers under Windows support only 8-bit B/W printers or 8-bit per channel color printers. Has anybody every tried to write a printer driver to support 10-bit (or higher) gray level printers under MS Windows environments? Specifically, if I have a 10-bit gray level image and a printer that does support 10-bit printing, I would like the full 10 bits of every pixel go un-truncated all the way from the application to the printing engine. If anybody did this before, could you please share your experiences? How would the 10-bit requirement fits the overall Windows printing architecture? Thanks a lot. Tag: DMTT_BITMAP Tag: 37209
 - 16
 - printer info Hi, I have to get printer utilization information such as number of jobs done, AveragePPM etc. Win32 API gives all these info as NULL or 0. So I thought of using driver level programming to extract such information from printer. I am new to driver level programming. Can someone help me know if it is possible through device driver programming like if I use "DrvDeviceCapabilities" method. I am using Windows 2000 server machine. Also I tried to use this method in my code, but the code just not compiles. It gives these errors - c:\ntddk\inc\ddrawint.h(1863) : error C2146: syntax error : missing ';' before identifier 'dwhContext' c:\ntddk\inc\ddrawint.h(1863) : error C2501: 'DWORD_PTR' : missing storage-class or type specifiers c:\ntddk\inc\ddrawint.h(1863) : error C2501: 'dwhContext' : missing storage-class or type specifiers c:\ntddk\inc\winddi.h(532) : error C2059: syntax error : '__stdcall' c:\ntddk\inc\winddi.h(532) : error C2091: function returns function c:\ntddk\inc\winddi.h(537) : error C2146: syntax error : missing ';' before identifier 'pfn' c:\ntddk\inc\winddi.h(537) : error C2501: 'PFN' : missing storage-class or type specifiers c:\ntddk\inc\winddi.h(537) : error C2501: 'pfn' : missing storage-class or type specifiers c:\ntddk\inc\winddi.h(2124) : error C2061: syntax error : identifier 'DESIGNVECTOR' c:\ntddk\inc\winddi.h(3790) : error C2061: syntax error : identifier 'DESIGNVECTOR' What I am missing here ? Thanks Ashish Tag: DMTT_BITMAP Tag: 37208
 - 17
 - SetupDi equivelant to CM_Get_Device_ID_Ex I am looking for a setupdi replacement for the following CM_ call. // determine instance ID // if(CM_Get_Device_ID_Ex (devInfo.DevInst,devID, MAX_DEVICE_ID_LEN,0, devInfoListDetail.RemoteMachineHandle)!=CR_SUCCESS) { devID[0] = TEXT('\0'); } Tag: DMTT_BITMAP Tag: 37205
 - 18
 - Setup API OS compatibility As I am looking through the SDK I see the following: Windows NT/2000: Requires Windows 2000. This pretty much means that NT will not work for the given function right? I have an app that is supposed to support NT, 2K, and XP. We support USB devices so NT should be out the window correct? How do I explain this to the management? ~mike Tag: DMTT_BITMAP Tag: 37201
 - 19
 - USB Mass Storage Volume path How to get USB Mass Storage Device volume root path? Tag: DMTT_BITMAP Tag: 37198
 - 20
 - Making a report of loaded drivers and their Version Info Hello again everyone, Does anyone know how to go about retrieving the driver resource information (date, version, etc), for all of the drivers loaded into the system, from a user- mode application? I know the information is available in the Device Manager, but this is for an XP Embedded target, and we want to display the information ourselves. Tag: DMTT_BITMAP Tag: 37196
 - 21
 - AddPrinterDriver fails with error 126 We have several clients who receive this error when installing our printer driver on Windows XP. The proposed solution is to fix the path entry for %SystemRoot%\System32 \Wbem or copy framedyn.dll to the System32 directory. We are trying to decide on the best course of action to prevent users from receiving this error. However, we have been unable to reproduce the problem ourselves. We have tried corrupting the path entry for % SystemRoot%\System32\Wbem and even deleting framedyn.dll altogether. Neither action affects AddPrinterDriver in any way, and our printer installation proceeds as normal. Can somebody at Microsoft explain how AddPrinterDriver becomes dependent on framedyn.dll? Who uses this DLL? Tag: DMTT_BITMAP Tag: 37193
 - 22
 - USB newbie: Sending a vendor-specific request to a USB device Hello, I don't have much experience with Windows platform development, so I hope someone can point me in the right direction. I need to send a vendor-specific request to a USB device. I know the bmRequestType, bRequest, wValue, wIndex, etc, that I need to send. I just can't piece together how to do it on Windows. I've figured out how to enumerate USB devices, and can find the device, and open a handle to it with CreateFile(), but I'm stumped as to what I need to pass to DeviceIoControl(). Or even if DeviceIoControl() is the right avenue for this. Spent most of yesterday searching the net for information on this and was surprised at how little I could find. Hope someone out there can shed some light. Thanks in advance, Steven Tag: DMTT_BITMAP Tag: 37187
 - 23
 - (Q) Flow control between NDIS miniport driver and protocol driver. Subject : (Q) Flow control between de-serialized NDIS miniport driver and protocol driver. Hello everyone! I'm developing de-serialized NDIS Miniport driver at Win2K and WinXp. I'm worrying about if my Miniport receives more requests of MiniportSendPackets than it's throughput. If then, my Miniport's queue length will be longer and longer as time goes on. In that case, is it guarantee the protocol driver's issueing "CancelPacket"? Or, should my miniport returns status with NDIS_STAUS_RESOURCES as a parameter of NdisMSendComplete to resolve the situation of congestion? Thank you. Have a nice day. //DAUM Tag: DMTT_BITMAP Tag: 37185
 - 24
 - (Q) WHQL or HCT news group. Hello everyone. I want to know if there is any news group for WHQL or HCT. Please let me know if there is any. Thank you. Have a nice day. Tag: DMTT_BITMAP Tag: 37174
 - 25
 - damn driver doesnot connect.. Sir, i am a man in problem. my project submission for 3rd yr of engineerig is due friday and till now i cannot connect the damn driver to the video capture application i am developing. the device specification are: 3D Vision MPEG-I encoder/decoder/tuner code:PV230/231 Winbond W99200F the problem is when i use capDriverConnect macro provided by VC++ 6.0 it simply cannot connect. is there other thing that i must add or do. please help me out. Tag: DMTT_BITMAP Tag: 37172

I am developing a printer for Windows 2000 using Unidrv
Currently, TrueType Fonts printing is supported with Download as Soft Fonts and Device Font substitution options
These are represented in the DEVMODE as 0x2 (DMTT_DOWNLOAD) and 0x3 (DMTT_SUBDEV)
I want to add 0x1 (DMTT_BITMAP) support. How will I do it
Any information is really appreciated

Thanks
alvin

Top

RE: DMTT_BITMAP by anonymous

anonymous
Tue Feb 03 02:56:09 CST 2004

When the value of my driver's dmTTOption is DMTT_BITMAP, the device fonts supported by the driver cannot
be displayed anymore. I use EnumFontFamiliesEx API to display the fonts
Also, when I used GetDeviceCaps, NUMFONTS is 0

Is there a possibility that Unidrv removes Device Fonts support when DMTT_BITMAP is set
Anybody experienced this already

TI
alvi

----- alvin wrote: ----

I am developing a printer for Windows 2000 using Unidrv
Currently, TrueType Fonts printing is supported with Download as Soft Fonts and Device Font substitution options
These are represented in the DEVMODE as 0x2 (DMTT_DOWNLOAD) and 0x3 (DMTT_SUBDEV)
I want to add 0x1 (DMTT_BITMAP) support. How will I do it
Any information is really appreciated

Thanks
alvin

Top