[USRP-users] USRP2(XCVR) in Simulink

Marc Erickson Marc.Erickson at mathworks.com
Mon Nov 22 09:03:21 EST 2010

Hi Mikhail,

The Simulink integration of the USRP *requires* a specific version of the firmware and FPGA as outlined in the solution (http://www.mathworks.com/support/solutions/en/data/1-CUN7JZ/index.html?product=CB&solution=1-CUN7JZ).  The UHD firmware is a completely different implementation that is not compatible with the R2010b release.

The solution gives specific links to compatible firmware and FPGA images.  For XCVR, you will need:
firmware: http://ettus.com/u2bin/txrx_xcvr_udp_20100507.bin
fpga: http://code.ettus.com/redmine/ettus/attachments/74

-- Marc

From: usrp-users-bounces at lists.ettus.com [mailto:usrp-users-bounces at lists.ettus.com] On Behalf Of Mikhail Tadjikov
Sent: Monday, November 22, 2010 8:53 AM
To: usrp-users at lists.ettus.com
Subject: [USRP-users] USRP2(XCVR) in Simulink


 I've been hitting my head against the wall for quite a few hours now and I just can't seem to make UHD work with Simulink (2010b). I've downloaded all the latest FW & FPGA bits (from http://www.ettus.com/downloads/uhd_images/), as well as, the latest uhd from git. For some reason I consistently have 3 LED light up B,D,F. I've checked and it seems that B is undocumented, so no clue as to what's happening there (with raw fw just D & F light up).
$ sudo ./uhd_find_devices
linux; GNU C++ version 4.4.5; Boost_104200; UHD_20101117.172104.89ae5f3

    Ignoring discovered device
    Expected fpga compatibility number 2, but got 3767730177:
[ Expected protocol compatibility number 6, but got 7: (with the experimental FW from 10/22)]
    The fpga build is not compatible with the host code build.
No UHD Devices Found

Also, I'm a little confused about all the differences between UDP and UHD FW, since Mathworks suggests using the udp version of the FW, but no comment on the matching FPGA bits (http://www.mathworks.com/support/solutions/en/data/1-CUN7JZ/index.html?product=CB&solution=1-CUN7JZ)

I've also used Wireshark to monitor my traffic and USRP2 does seem to be generating some traffic. Ping'ing also works.

Any guidance on this would be greatly appreciated.
Thank you.

Mikhail Tadjikov
Graduate Student
UCLA Class of 2010
Department of Electrical Engineering
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