Re: [Discuss-gnuradio] About the simple_mac.py in bbn80211

2009-10-16 Thread Douglas Geiger
I believe this code was never updated to the blks2/hier_block2 API. At least in the usrp2_branch and my branch on CGRAN it hasn't been. It may just take the same work that was done for the transmit and receive code to port it over (e.g. changing blks - blks2, hier_block - hier_block2, and the

Re: [Discuss-gnuradio] gr_unpacked_to_packed_bb, modulation

2009-10-16 Thread Mattias Kjellsson
Hi again, Thanks for the reply, that confirmed my suspicion of me being wrong about D=2. But then I am wondering how the gr_unpacked_to_packed_bb- block is working? When I setup a unpacked_to_packed_bb(2,GR_MSB_FIRST) (I guess GR_MSB_FIRST on a regular intel x86, right?) and connect it to a

Re: [Discuss-gnuradio] gr_unpacked_to_packed_bb, modulation

2009-10-16 Thread Mattias Kjellsson
Mattias Kjellsson wrote: Hi again, Thanks for the reply, that confirmed my suspicion of me being wrong about D=2. But then I am wondering how the gr_unpacked_to_packed_bb- block is working? When I setup a unpacked_to_packed_bb(2,GR_MSB_FIRST) (I guess GR_MSB_FIRST on a regular intel x86,

Re: [Discuss-gnuradio] About the simple_mac.py in bbn80211

2009-10-16 Thread Chen Chen
Since I have made changed in the bbn_80211b_rx.py and bbn_80211b_tx.py (also some related script such as bbn_80211b.py and bbn_80211b_pkts.py) as you mention: blks-blks2, hier-block-hier_block2, and the __init__ call. (modifiy the original version since it is for usrp1). It can run but the

Re: [Discuss-gnuradio] About the simple_mac.py in bbn80211

2009-10-16 Thread Chen Chen
Hi, In your simple_mac.py, do you change these things: flow_graph-top_block blks-blks2, hier_block-hier_block2? I think these are some differences between new and old version of GNU Radio. And the bbn code is for the old version of GNU Radio Thanks, Chen On Fri, Oct 16, 2009 at 10:15 AM,

[Discuss-gnuradio] News re: wxWidgets on Mac OS X 10.6 64-bit

2009-10-16 Thread Michael Dickens
[32-bit versus 64-bit on OSX is just downright confusing! This issue is just the tip-o-the-iceberg ... The rest of GNU Radio, including USRP support, can be made to work as 64-bit under 10.6; we're working on getting some fixes in place to handle 10.6 and 32/64 bits. - MLD]

Re: [Discuss-gnuradio] gr_unpacked_to_packed_bb, modulation

2009-10-16 Thread Mattias Kjellsson
Please disregard my last mail on the same topic. I figured it out. It turned out there was no problem once I figured a bit about what packed and unpacked bytes actually mean. This shows how important having a cup of coffee now and then is... cheers, //Mattias

Re: [Discuss-gnuradio] gr_unpacked_to_packed_bb, modulation

2009-10-16 Thread Achilleas Anastasopoulos
I think you are making wrong use of the unpacked_to_packed block: Your source is a file with bytes. These should be considered packed (i.e., bits are packed into a byte). Thus you need to unpack them using packed_to_unpacked_bb(2,GR_MSB_FIRST) The output of this block will be bytes, each having

Re: [Discuss-gnuradio] gr_unpacked_to_packed_bb, modulation

2009-10-16 Thread Mattias Kjellsson
I think you are making wrong use of the unpacked_to_packed block: I think so to. I was creating the file in Matlab, writing zeros and ones as chars to a file, used that file as input to the flow- graph... So to get my original code to work, I had to write 27 in the data file (27 =

[Discuss-gnuradio] bits_per_symbol and samples_per_symbol

2009-10-16 Thread udadidd
Hi All these days i thought both are the same! But they are not. Does any one have any idea what is the difference between both of them? Thanks Udaya -- View this message in context: http://www.nabble.com/bits_per_symbol-and-samples_per_symbol-tp25931575p25931575.html Sent from the GnuRadio

Re: [Discuss-gnuradio] About the simple_mac.py in bbn80211

2009-10-16 Thread Douglas Geiger
One thing to be aware of: the USRP1 does *not* have sufficient bandwidth to the host PC to do real DSSS 802.11b. On the receive side they were able to get it 'sort of' working by simply accepting the aliasing that results from under-sampling. For transmitting/receiving between two USRP1's - I

[Discuss-gnuradio] Make error on debian PPC

2009-10-16 Thread [ Cosmin ]
Hello, ./configure was ok on a debian PPC, even the ./bootstrap ansd ./configure from svn. but during the 'make' process, I have this error: In file included from ./../general/spu/fft_1d_r2.c:22: /home/cosmos/gnuradio/gcell/include/gcell/spu/libfft.h:111: error: expected ')' before 'float'

[Discuss-gnuradio] USRP and radios for sale

2009-10-16 Thread Bob Keyes
I've got a USRP board and several radio boards which I wish to sell. USRP, compatible USB cable and original power supply: $585 LFRX DC-50 Mhz receiver (two available): $60 each LFTX (two available): $60 each FLEX 1800 transciever: $229 SMA 1.8 Ghz arubber duck antennas (three available): $10