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[Discuss-gnuradio] FX2 firmware

From: Dominik Auras
Subject: [Discuss-gnuradio] FX2 firmware
Date: Tue, 28 Apr 2009 21:26:23 +0200
User-agent: Thunderbird (X11/20090320)

Hi all!

I am studying the FX2 firmware provided by the USRP package, just to "get a feeling" for this.

There are a few very old mails on the mail archive stating that an improvement of the USB bandwidth could be possible if the FX2 timing is tuned. Does anyone know where the current bottleneck is? Is it the main loop, or the GPIF state machine?

There was an idea about moving the loop invariant, e.g. one loop only for tx if only tx chain is enabled. However, my first quick'n dirty trial didn't change anything (test_usrp_standard_tx to test). At least it still works :)

It will do to point me in a good direction, I'll find out the rest. However, it would be faster if someone can direct me.

Best regards

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