Re: [Discuss-gnuradio] packets to the usrp and loopback

2007-04-20 Thread Eric Blossom
On Fri, Apr 20, 2007 at 07:09:19PM -0400, George Nychis wrote: > Eric, > > Could you check over the Makefile.am and just base template that I checked > in to my developer branch to make sure I am not missing anything? I > checked that it successfully builds, but I just want to make sure I'm not

Re: [Discuss-gnuradio] packets to the usrp and loopback

2007-04-20 Thread George Nychis
Eric, Could you check over the Makefile.am and just base template that I checked in to my developer branch to make sure I am not missing anything? I checked that it successfully builds, but I just want to make sure I'm not missing anything major before beginning to write tests. Also, is the

Re: [Discuss-gnuradio] packets to the usrp and loopback

2007-04-20 Thread Brian Padalino
On 4/20/07, Thibaud Hottelier <[EMAIL PROTECTED]> wrote: Yes, it's this module. Any suggestion for a better name? According to your diagram here: http://gnuradio.org/trac/wiki/UsrpTxModifications Maybe we should have a tx_usb_fifo, tx_usb_fifo_reader, tx_chan_fifo, tx_chan_fifo reader, tx_cmd

Re: [Discuss-gnuradio] packets to the usrp and loopback

2007-04-20 Thread Eric Blossom
On Fri, Apr 20, 2007 at 05:17:36PM -0400, Brian Padalino wrote: > On 4/20/07, Thibaud Hottelier <[EMAIL PROTECTED]> wrote: > >Ok, so my usb_chan_reader needs some more work to handle that. I will > >try to get this and some of the missing functionalities like reporting > >overrun/underrun done tomo

Re: [Discuss-gnuradio] packets to the usrp and loopback

2007-04-20 Thread Thibaud Hottelier
Brian Padalino wrote: I am not sure this is where the tx_strobe is supposed to occur. I think it's in whatever reads your individual channel FIFOs and feeds the CIC filters (unless usb_chan_reader is the module, and is just named very strangely). Yes, it's this module. Any suggestion for a be

Re: [Discuss-gnuradio] packets to the usrp and loopback

2007-04-20 Thread Brian Padalino
On 4/20/07, Thibaud Hottelier <[EMAIL PROTECTED]> wrote: Ok, so my usb_chan_reader needs some more work to handle that. I will try to get this and some of the missing functionalities like reporting overrun/underrun done tomorrow. I am not sure this is where the tx_strobe is supposed to occur.

Re: [Discuss-gnuradio] packets to the usrp and loopback

2007-04-20 Thread Thibaud Hottelier
Brian Padalino wrote: > There should be absolutely no glue logic between the modules within a > top entity possibly called mblock_processing. The inputs should feed > the specialized USB FIFOs, and the outputs should feed the separate > CIC channel filters (complex). > > Everything else from ther

Re: [Discuss-gnuradio] packets to the usrp and loopback

2007-04-20 Thread Brian Padalino
On 4/20/07, Thibaud Hottelier <[EMAIL PROTECTED]> wrote: Hi, I moved all my small testing blocks from ModelSim to the Quartus source tree. I am writing the glue code between the modules so we should have the basic Tx functionality working relatively soon. But before that, I would like to simulat

Re: [Discuss-gnuradio] packets to the usrp and loopback

2007-04-20 Thread Thibaud Hottelier
Hi, I moved all my small testing blocks from ModelSim to the Quartus source tree. I am writing the glue code between the modules so we should have the basic Tx functionality working relatively soon. But before that, I would like to simulate to whole Tx block in ModelSim, so I need some inform

Re: [Discuss-gnuradio] packets to the usrp and loopback

2007-04-20 Thread George Nychis
Eric Blossom wrote: Not very hard. Awesome. There is a loopback interface in the current FPGA code. It's enabled by writing to the FR_MODE register. Grep the verilog for "loopback", and look at fpga_regs_common.{h,v} Thanks :D We want to test out using the loopback eventually, and ov

Re: [Discuss-gnuradio] packets to the usrp and loopback

2007-04-20 Thread Eric Blossom
On Thu, Apr 19, 2007 at 05:17:06PM -0400, George Nychis wrote: > I'm starting to work out some test code regarding the host end, and I was > wondering how hard it will be when done testing to actually put a packet on > the bus? I assume we can reuse some of the previous interface. Not very hard

Re: [Discuss-gnuradio] Re: Re: Re: Tx Path

2007-04-20 Thread Eric Blossom
On Fri, Apr 20, 2007 at 08:26:25PM +0200, Anmar wrote: > Eric Blossom wrote: > > On Wed, Apr 18, 2007 at 01:49:36PM +0200, Anmar wrote: > > > > You can control the phase in the FPGA. However, we're using the > > digital upconverter in the AD9862. That DUC has its own phase > > register. > > Loadi

[Discuss-gnuradio] Re: Re: Re: Tx Path

2007-04-20 Thread Anmar
Eric Blossom wrote: > On Wed, Apr 18, 2007 at 01:49:36PM +0200, Anmar wrote: > > You can control the phase in the FPGA. However, we're using the > digital upconverter in the AD9862. That DUC has its own phase > register. Loading the code below, I connected the two daughterboard’s to the X and Y c

[Discuss-gnuradio] FRS with the FLEX400 (newbie questions)

2007-04-20 Thread Kevin Rudd \(Contractor\)
Hello Again, I am starting to play with the GNU Radio code some and wanted to start by capturing audio from a handheld radio (FRS fm modulation). I am having some problems and can't seem to figure out why it is not working. 1) receiving. Why does the usrp nfm sample programs not work for FRS w

Re: [Discuss-gnuradio] MATLAB/Windows and the USRP

2007-04-20 Thread David Scaperoth
I've just recently been using TCP socket connections to send data to/ from MATLAB. you could use file_descriptor_sink[source] block in GNU Radio to push data to/from the USRP. The sockets I have been using are at http://www.mathworks.com/matlabcentral/fileexchange/loadFile.do? objectId=34