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Re: [Discuss-gnuradio] SD card failure

From: Tim Pearce
Subject: Re: [Discuss-gnuradio] SD card failure
Date: Tue, 29 Dec 2009 16:05:40 +0000

I've just tried it and it doesnt work here using a 4gb card. I guess the CPLD has been configured (or doesnt support SDHC) to only use SD addressing..

On the other remarks, an email did goto this mailing list - thats how I found out about the problem.

The link to the binary image files is in the instructions you linked to under "How do I change the firmware and fpga code on the SD Card?".

Instructions (and a link to the compiler source) on how to compile your own version of the firmware are on the same page at "How do I compile the firmware for the aeMB RISC processor?" I think some changes are necessary to compile mb-gcc on 64bit, I've been avoiding this with a 32bit virtual machine..

The binary versions are probably the better option unless your doing something which requires modifying the firmware (which probably means going through the fun of getting Xilinx ISE to work..)

All of these remarks would probably have been better of in a seperate email to Ettus rather than the mailing list, I've found them very helpful and forgiving with questions where I've identified bugs by forgetting basic DSP or have had problems with orders.


On Tue, Dec 29, 2009 at 9:30 AM, Gaetano Mendola <address@hidden> wrote:
I have a questions, my local store doesn't have SD cards, but only
SDHC cards (4GB), will those work as well ?

I have some remarks to do as well, I hope Ettus will take those in consideration
to improve their procedures.

An email to all people that bought the usrp2 lately would have been better than
only a "news" on Ettus home page.

The instructions at


reported on that announcement are not complete; there is no mention on the fact
that in order to build the firmware you need the microblaze compiler,
and even that
isn't written where to find it, I found it with a bit of luck at:
also there is no mention on how to install it. Anyway after having
installed it, and
successfully compiled the firmware, I found that at the link:


is already compiled and ready to be installed :(

Gaetano Mendola


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