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Re: [Discuss-gnuradio] Fewer than 8 bits per sample FPGA support

From: Davide Anastasia
Subject: Re: [Discuss-gnuradio] Fewer than 8 bits per sample FPGA support
Date: Tue, 13 Mar 2007 13:10:53 +0100

Il giorno dom, 04/03/2007 alle 22.55 -0800, Peter Monta ha scritto:
> > The "short" version doesn't touch the data.  You'll be able to
> unpack
> > it youself.
> Strange, I had some problem with rx_cfile not seeming to respect
> the width parameter.  I'll try it again. 

Hi List,
I'm sorry to reuse this old topic, but I'm working on this feature.

I recompile FPGA firmware using Peter' mod to obtain 1, 2, 4 and 8 bit
width sampling. I'm using this firmware and the script attached to try
it, but seems it doesn't work. I don't know if Peter (or someone else)
use correctly this mod.

I receive that:

address@hidden:/home/rocker/Tesi/My Works/GNU Radio
Experiment/rx_cfile# ./usrp_rx_cfile.py -m -f 1.575G -w 4 -R A -d 16 -N
1000 output.samples.4
Upload new firmware!
Using 4 bit sampling
format = 0x248
set_format = False
Using RX d'board A: DBS Rx
USB sample rate 4M

Format setting fail.

New usrp_rx_cfile.py is attached.
Davide Anastasia

web: http://www.davideanastasia.com/
email: address@hidden

Attachment: usrp_rx_cfile.py
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