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

From: Philip Balister
Subject: Re: [Discuss-gnuradio] Definition of USB Interfaces is different in Windows
Date: Thu, 23 Apr 2009 15:53:00 -0400
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Ujala Qasim wrote:
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.


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