[Discuss-gnuradio] Decimation questions

2008-08-11 Thread Sebastiaan Heunis
Hi I would like to ask some questions about the rx chain in the FPGA. The following Verilog code is found in the rx_chain.v Verilog file ## phase_acc #(FREQADDR,PHASEADDR,32) rx_phase_acc (.clk(clock),.reset(reset),.enable(enable), .se

Re: [Discuss-gnuradio] Decimation questions

2008-08-11 Thread Brian Padalino
On Mon, Aug 11, 2008 at 6:28 AM, Sebastiaan Heunis <[EMAIL PROTECTED]> wrote: > Now I would like to know if anyone could please help me with the following: > > 1. When we use a tv_rx daughterboard, the FR_RX_FREQ_0 value is set > to -20MHZ, right? From what I know it seems as if the Microtune > m

[Discuss-gnuradio] GNU Radio mention in DEFCON subway presentation

2008-08-11 Thread Philip Balister
New appication for USRP+GNU radio, free subway rides :) http://www-tech.mit.edu/V128/N30/subway/Defcon_Presentation.pdf Well, at least until people learn to deploy secure systems. Philip ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http

Re: [Discuss-gnuradio] GNU Radio mention in DEFCON subway presentation

2008-08-11 Thread Eric Cottrell
Hello, Wow, a very interesting set of slides. BTW this is the talk that the MBTA got a temporary injunction over so it may not get presented at Defcon. http://www.pcworld.com/businesscenter/article/149646/eff_to_appeal_court_order_halting_subway_hacker_talk.html I am not surprised about anythin

[Discuss-gnuradio] Suggestions on how to deal with top_block??

2008-08-11 Thread call5_99
Hello, I am new to GNU radio. I am trying to make modifications in benchmark_rx.py, such that when there is keyboard interrupt, it will call benchmark_tx.py. While doing this, I got an error which read multiple instances of top_block are not allowed. I read the previous posts, and am aware

[Discuss-gnuradio] Two entirely unrelated questions

2008-08-11 Thread Marcus Leech
Does anybody have a comprehensive list of USB-interfaced SDR devices out there that work roughly in the same spirit as the USRP (even if there aren't plug-ins for Gnu Radio). In my other life as Principal Investigator for the Shirleys Bay Radio Astronomy Consortium, I managed to get a free dona

Re: [Discuss-gnuradio] GNU Radio mention in DEFCON subway presentation

2008-08-11 Thread gnuradio
On Aug 11, 2008, at 2:45 PM, Philip Balister wrote: New appication for USRP+GNU radio, free subway rides :) http://www-tech.mit.edu/V128/N30/subway/Defcon_Presentation.pdf Well, at least until people learn to deploy secure systems. Anyway manage to find the code they did for the usrp? (and

Re: [Discuss-gnuradio] GNU Radio mention in DEFCON subway presentation

2008-08-11 Thread Daniel O'Connor
On Mon, 11 Aug 2008, Philip Balister wrote: > New appication for USRP+GNU radio, free subway rides :) > > http://www-tech.mit.edu/V128/N30/subway/Defcon_Presentation.pdf > > Well, at least until people learn to deploy secure systems. There's also.. http://venturebeat.com/2008/08/08/defcon-excuse-m

Re: [Discuss-gnuradio] GNU Radio mention in DEFCON subway presentation

2008-08-11 Thread Dan Halperin
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Aug 11, 2008, at 4:58 PM, Daniel O'Connor wrote: On Mon, 11 Aug 2008, Philip Balister wrote: New appication for USRP+GNU radio, free subway rides :) http://www-tech.mit.edu/V128/N30/subway/Defcon_Presentation.pdf Well, at least until people le

Re: [Discuss-gnuradio] GNU Radio mention in DEFCON subway presentation

2008-08-11 Thread Daniel O'Connor
On Tue, 12 Aug 2008, Dan Halperin wrote: > On Aug 11, 2008, at 4:58 PM, Daniel O'Connor wrote: > > On Mon, 11 Aug 2008, Philip Balister wrote: > >> New appication for USRP+GNU radio, free subway rides :) > >> > >> http://www-tech.mit.edu/V128/N30/subway/Defcon_Presentation.pdf > >> > >> Well, at le

[Discuss-gnuradio] One simple question

2008-08-11 Thread Murtuza
hi friends, Can anyone tell me how one can implement a block that generates a sequence of bits at a rate of 2Mbps. I am new to Gnuradio and working towards implementing a sequence generator on gnuradio. I did not find any block which already does this (atleast this is what i believe is true). I sh

Re: [Discuss-gnuradio] One simple question

2008-08-11 Thread Brian Padalino
On Mon, Aug 11, 2008 at 11:47 PM, Murtuza <[EMAIL PROTECTED]> wrote: > > hi friends, > > Can anyone tell me how one can implement a block that generates a sequence > of bits at a rate of 2Mbps. I am new to Gnuradio and working towards > implementing a sequence generator on gnuradio. I did not find