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[Discuss-gnuradio] FPGA mods

From: Dan Halperin
Subject: [Discuss-gnuradio] FPGA mods
Date: Mon, 26 Feb 2007 15:49:19 -0800
User-agent: Thunderbird (Windows/20061207)


I'm working on FPGA mods to push a little bit of work off of the computer onto the USRP's FPGA. If I understand correctly, the right way to do what I want is to create a new config file (e.g. a modification of usrp_std_config_2rxhb_2tx.vh) with my changes in the defines.

First, the comment: "// IF RX_ON is not defined, there is *no* transmit circuitry built" -- that should be `receive circuitry', yes?

Second, in what applications are multiple receive and transmit channels are used? They aren't used in tunnel.py right? I want to be doing RX and TX on the RFX2400 as in tunnel.py; this application only uses one RX and one TX channel, so I can define RX_SINGLE and TX_SINGLE instead of the DUAL versions?



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