Re: [Discuss-gnuradio] Error on "Assertion `imu >= 0' failed" when using gr.udp_source/sink

2011-06-29 Thread Zhen
simple way to bypass this problem is to set MTU size as a multiple of itemsize, such as 1464 or 1472, then everything works as expected. 发件人: Zhen 收件人: "discuss-gnuradio@gnu.org" 发送日期: 2011年6月28日, 星期二, 上午 2:34 主题: [Discuss-gnuradio] Error on "

[Discuss-gnuradio] Error on "Assertion `imu >= 0' failed" when using gr.udp_source/sink

2011-06-27 Thread Zhen
Hello, I modified "benchmark_tx.py and benchmark_rx.py" by replacing the usrp_source/sink with gr.udp_source/sink and gr.file_source/sink, to see if the generated IQ data from tx side can be correctly captured and processed at rx side via UDP socket or trace file instead of USRP. If it does, t

[Discuss-gnuradio] 回复: USRP error on Beagleboard

2011-04-22 Thread Zhen
I see, thanks On 04/22/2011 11:06 AM, Zhen wrote: > Hi, > > I installed gnuradio, gnuradio-usrp, gnuradio-examples by opkg in > beagleboard, but when I ran usrp_benchmark_usb.py, the program can not find > or import usrp module. > > It s

[Discuss-gnuradio] USRP error on Beagleboard

2011-04-22 Thread Zhen
Hi, I installed gnuradio, gnuradio-usrp, gnuradio-examples by opkg in beagleboard, but when I ran usrp_benchmark_usb.py, the program can not find or import usrp module. It seems that usrp wasn't installed correctly, since there is no usrp.py found. But all gnuradio related packages in Angstr

[Discuss-gnuradio] Does GNURadio 3.3 support MAC message processing?

2010-11-20 Thread Zhen
Hello, Since m-block is removed from GNU radio 3.3, I am wondering if and how GNURadio 3.3 supports MAC processing? Thanks Zhen ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss

[Discuss-gnuradio] make check error for GNU Radio on Beagleboard

2010-11-14 Thread Zhen
//www.mail-archive.com/beagle-...@opensdr.com/msg00189.html, but no solution at that time. So is there any suggestion to solve it? Thanks a lot! Zhen ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listin

回复: [Discuss-gnuradio] build error when ma king gnuradio 3.2 on Angstrom/OE

2010-11-05 Thread Zhen
o] Error 1 - Is there any approaches to fix it? Thanks a lot! Zhen 发件人: Philip Balister 收件人: Zhen 发送日期: 2010/11/3 (周三) 5:44:09 下午 主 题: Re: [Discuss-gnuradio] build error when making gnuradio 3.2 on Angstrom/OE On 11/03/2010 05:04 PM, Zhen wrote:

Re: [Discuss-gnuradio] build error when maki ng gnuradio 3.2 on Angstrom/OE

2010-11-03 Thread Zhen
o] Error 1 - Is there any approaches to fix it? Thanks a lot! Zhen 发件人: Philip Balister 收件人: Zhen 发送日期: 2010/11/3 (周三) 5:44:09 下午 主 题: Re: [Discuss-gnuradio] build error when making gnuradio 3.2 on Angstrom/OE On 11/03/2010 05:04 PM, Zhen wrote:

[Discuss-gnuradio] build error when making gnuradio 3.2 on Angstrom/OE

2010-11-03 Thread Zhen
/Prj/gnuradio-3.2.2/gruel' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/home/cic/Prj/gnuradio-3.2.2' make: *** [all] Error 2 --- But I am using the latest g++.4.3.3-r19.1.6 installed by opkg,

[Discuss-gnuradio] Can USRP2 connect to Beagle Board-Xm?

2010-10-13 Thread Zhen
Hello, I want to know if GNU Radio USRP2 can connect to Beagle Board- Xm I know Beagle-board can connect to USRP by USB connection. Now BeagleBoard-XM has 100M Ethernet, and USPP2 uses 1000M Ethernet, can they work together? Thanks Zhen

Re: [Discuss-gnuradio] Problem of ***BAD CRC *** for GNURadio bbn_80211b

2010-10-09 Thread Zhen
It's solved! Just open 'bbn_80211b_pkt.py' and set 'short_preamble = 0', then long preamble is used and test scripts work well. But why short preamble doesn't work? 发件人: Zhen 收件人: discuss-gnuradio@gnu.org 发送日期: 2010/10/9 (

[Discuss-gnuradio] Problem of ***BAD CRC*** for GNURadio bbn_80211b

2010-10-09 Thread Zhen
Hi all, I ran into a problem than seems also met by others, but I am not sure how to solve it. I use GNU Radio 3.2.2, bbn 802.11b usrp2_version, Python 2.6.5, GCC 4.4.3, and Ubuntu 10.4 LTS. When I ran the test scripts "bbn_80211b_sptest.py" and "bbn_80211b_test.py" from /bbn_80211_branches

[Discuss-gnuradio] How to bypass the ISM band filter on the RFX900?

2010-08-17 Thread Zhen
Hello, My current application needs to work on ISM band, and there is an ISM band filter on RFX900, how to remove or bypass the ISM band filter on the RFX900? Thanks Zhen ___ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http