On Sun, Mar 18, 2012 at 2:43 AM, Emmanuel Blot <eblot...@gmail.com> wrote: > I have another question related to the way libusb-win32 manages devices. > I'm using an FTDI 4232H device for the test, along with PyFtdi. > > This USB device is a composite one, which contains 4 interfaces, each > of them is reporting two endpoints. > Under Linux and OS X, the device appears as a single device, with 4 interfaces > Under Windows, it seems the device appears as 4 distincts devices, > with 1 interface each. > > Is it the expected behavior?
Yes. The Microsoft composite parent driver handles the whole device, and then each interface is using the FTDI driver. http://msdn.microsoft.com/en-us/library/windows/hardware/ff537109(v=vs.85).aspx -- Xiaofan ------------------------------------------------------------------------------ This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure _______________________________________________ pyusb-users mailing list pyusb-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/pyusb-users
