On Mon, Oct 29, 2012 at 9:17 AM, therau2000 <therau2...@videotron.ca> wrote: > On Mon, 2012-10-29 at 01:15 +0100, Peter Stuge wrote: > > Find out exactly how those commands get sent, and find a method to > send them which is outside the USB domain if possible, since that > will be both simpler for you to implement *and* will provide a > significantly better user experience. > > The "competing program" uses a .dll to communicate with the Device's > Firmware. By examining that .dll file, I just discovered that it is calling > "DeviceIoControl" in kernel32.dll. MS documentation about "DeviceIoControl" > states "An application can use the DeviceIoControl function to perform > direct input and output operations on, or retrieve information about, a > floppy disk drive, hard disk drive, tape drive, or CD-ROM drive.". Somewhere > else I read that "SCSI Pass Through" is implemented using "DeviceIoControl" > direct (meaning un-buffered). > > So I imagine this is how the "competing program's" .dll communicates with > the Device's Firmware. > > Writing Java and C code using the libusbx API is doable for me; I have done > it and it does work nicely. But I am afraid that writing code for > "DeviceIoControl" is beyond my capabilities. So unless someone helps in one > way or another I am afraid I will have to... give up. >
The example here may help you for Windows. http://code.msdn.microsoft.com/windowshardware/SCSI-Pass-Through-a906ceef For Linux, sg3_utils (open source) should give you the hint. It is said that it may work under Windows as well. http://linux.die.net/man/8/sg3_utils http://sg.danny.cz/sg/sg3_utils.html -- Xiaofan ------------------------------------------------------------------------------ The Windows 8 Center - In partnership with Sourceforge Your idea - your app - 30 days. Get started! http://windows8center.sourceforge.net/ what-html-developers-need-to-know-about-coding-windows-8-metro-style-apps/ _______________________________________________ libusbx-devel mailing list libusbx-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libusbx-devel
