Re: [Libusb-win32-devel] vendor request

[Stephan M. <Ste...@ia...>]

Vendor requests are implemented.
From windows.c (version 0.1.10.1):

    case USB_TYPE_VENDOR: 
    case USB_TYPE_CLASS:

      req.vendor.type = (requesttype >> 5) & 0x03;
      req.vendor.recipient = requesttype & 0x1F;
      req.vendor.request = request;
      req.vendor.value = value;
      req.vendor.index = index;

....



> I need to create a small wrapper in c that interfaces between a USB
> device via libusb-win32 and a .NET program.  One problem I've just found
> is that it appears that vendor requests are not implemented in
> libusb-win32.  Is this true?  In windows.c: usb_control_msg() { case
> USB_TYPE_VENDOR: }  is empty.  Some code that one of my partners wrote
> using the linux libusb sends a vendor request like so:
> 
>   retval = usb_control_msg (curHandle, USB_TYPE_VENDOR | 
USB_RECIP_DEVICE
>                 | USB_ENDPOINT_IN, request, value, index,
>                 buf, size, USB_TIMEOUT);
> 
> Is it possible to do this in libusb-win32 as it is, or does this ability
> need to be added.  I have the win DDK and am trying to grok its ioctl
> stuff, but I'm new to this.  Any tips? 
> 
> T
> 
> 
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