Re: [Discuss-gnuradio] Definition of USB Interfaces is different in Windows

[Philip Balister]

Ujala Qasim wrote:
> Hi,
> I am writing a Windows interface for USRP using libusb-win32. However, I am
> facing a problem. When I run the testlibusb wizard (a utility tool for
> displaying information about USB devices) in Windows, it tells me that the
> USRP has only one interface: Interface 0. This interface has three
> alternative settings. Each having 6 endpoints. These interfaces are
> different than those defined in usrp_interfaces.h. Please let me know which
> interface should I be using as the RX and TX interface in Windows?

Is this before you download the data files to the USRP? If so, I think 
the additional endpoints are configured after you load the firmware into 
the FPGA.

Philip

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