Device Drivers

virtual device driver
I am new to the driver world...can any one give idea that leads to solve my problem .........if the device is connected to USB port of PC and the driver is not loaded for it we will get the message as driver has to be installed for that particular devce...in our reqiurement it should n't be like that and com... 28 May 2008 01:21

DDK Integration with VS
Which compiler should be used to simply build a Visual-C++ program that needs to call the USB interface functions in the DDK? Our program isn't a driver; it part of a GUI lets other programs connect by socket, and relays their read/writes over USB to our USB device. -- Doug "Rich S." wrote: Hello,... 9 May 2008 13:50

IOCTL_MOUNTMGR_VOLUME_ARRIVAL_NOTIFICATION error
Hi, This is a file virtual disk driver. I am not implementing PNP so I cannot use IORegisterDeviceInterface. To create my volume mount point I first call the mount manager with the volume arrival notification ioctl. The mount manager does call my IOCTL_MOUNTDEV_QUERY_DEVICE_NAME with a buffer size of 4. ... 9 May 2008 09:54

about function COM_IOControl in Virtual COM driver
hello,everybody! I'm try to create a virtual COM driver. when i applying the function COM_IOControl: DWORD COM_IOControl(DWORD hOpenContext,DWORD dwCode,PBYTE pBufIn,DWORD dwLenIn,PBYTE pBufOut,DWORD dwLenOut,PDWORD pdwActualOut) i've received some values of dwCode parameter,like 0x1B0050 1769552 ... 9 May 2008 11:28

Error 8020: Error Reading Comm Device
Hi All, I have developed a USB-Serial driver. For this i have used KMDF osrusbfx2 and serial samples. I m using RS232-analyzer application for testing. This can be downloaded at http://www.232analyzer.com/CommFront-Downloads.htm. I have attached a loopback connector to the NULL modem cable and used this applc... 28 Apr 2008 12:19

Synchronization on multiple USB read/writes
In our USB KMDF driver we control a data-acquisition device. Data transfer is a three stage action. First we send a command to the device, the the actual data and after that we receive the status of the operation. We are using the WdfUsbTargetPipeWriteSynchronously/WdfUsbTargetPipeReadSynchronously functions to... 22 Apr 2008 02:20

Why can't I install Windows 2003 server checked build on HP Pr
Don, Thanks for the information. I have other question: When the setup stopped, I saw it was after copy "adpAHCI.sys". I was thinking to delete or replace this driver, but I couldn't find anything called "adpA*.*" on Windows Server 2003 checked build disk or setup directory on hard drive. Could you please tel... 21 Apr 2008 18:56

AsyncUI sample in Vista WDK
I am using the AsyncUI sample code provided with the printer samples. The AsyncUIMessageBox displays correctly on the server when the printer is installed as the local printer on Vista. I cannot get the message box to appaer on the client PC though. The RegisterForPrintAsyncNotifications function on the client ... 17 Apr 2008 11:42

How to put monitor in StandBy?
Hi, I have a Remote Desktop application which require to put monitor in standby when remote user is connected. For this we have used: IOCTL_VIDEO_SET_OUTPUT_DEVICE_POWER_STATE. But this is not working on Windows Vista. Please let me know what should I use? -- SachinS ... 1 Apr 2008 04:23

IOCTL_SCSI_GET_ADDRESS
Hi, I use the msdn sample getaddr.exe on a Win2K3 x64 server with argument scsi6: and it failed with error code 50 (this request is not supported) after IOCTL_SCSI_GET_ADDRESS. Is this by design? Since the program gets correct address if I use PhysicalDrive10 as argument. I need to write a application to d... 28 Mar 2008 14:57