Re: [libusb] Using libusb on Windows to Access Filter driver?

[Nathan K. <nat...@sp...>]

On 08/06/16 07:34 AM, Xiaofan Chen wrote:
> On Wed, Jun 8, 2016 at 6:16 AM, Nathan Kidd <nat...@sp...> wrote:
>> Hi,
>>
>> FreeRDP uses libusb-1.0 API to forward USB devices remotely.  I'm trying
>> to make that work on Windows with the libusb0 filter driver and libusb,
>> but hitting a lot of roadblocks (unable to open composite devices
>> without major hacks to the libusb code, etc.).  The more I read the code
>> and mailing list posts I'm doubting if I'm going down the right path.
>> So, before I start barking up this tree with more technical questions:
>>
>> Would you consider this a reasonable technical approach, or suggest
>> something different?
> 
> This is a no-go. libusb-win32 filter does not work well with libusb-1.0
> under Windows.
> 
> You should look at the usbdk backend which has been integrated
> into libusb git tree.
> 
> usbdk:
> https://github.com/daynix/UsbDk/blob/master/ARCHITECTURE

That looks much more appropriate; somehow I overlooked the UsbDk project
in my confusion trying to sort out
libusbK.dll/libusbK.sys/libusb-win32/libusb0.sys/libusb.

Thanks!

-Nathan