A bunch of thanks Marcus... I never guessed that this was the problem... its solved now.
Marcus D. Leech wrote: > > On 04/09/11 10:32 AM, sumitstop wrote: >> I read almost everything on the forum regarding this problem and tried my >> best.I am providing as much details as possible hence the post became >> long.I >> hope it will help the forum to help. >> >> I am working with USRP2.I installed GnuRadio as well as UHD(Using Marcus >> D. >> Leech script).I changed the host computer IPV4 address to 192.168.10.1 >> with >> subnet mask 255.255.255.0.Disabled the firewall also. >> >> Now… >> 1.When I run usrp2_probe.py its returning the device Mac address : >> 00:50:c2:85:42 >> Name(ID): >> -1 >> Converter Rate,gain Range,Freq Range. >> >> 2.When I run uhd_find_devices.py >> It returns linux; GNU C++ version 4.4.3; Boost_104000; >> UHD_003.001.002-a3e1cb7 >> No UHD Devices found. >> >> 3.When I do ping 192.168.10.2 >> Its says “destination host unreachable” >> >> 4.I also then tried to change the default IPV4 address of USRP2 by >> sudo ./usrp2_recovery.py - -ifc=eth0 - -new-ip=192.168.10.3 >> Then I pinged but same “destination host unreachable” >> >> >> 5. Then I monitored the network traffic on wireshark.I found….. >> a.When I do usrp2_probe.py then there happens communication between host >> and >> USRP2 and the USRP2 sends back his mac address to the host(was clearily >> visible in the wireshark). >> b. But when I do uhd_find_devices.py then the host broadcasts message but >> there is no reply packet from usrp2 at all. >> >> >> 6.Then I scanned the network using nmap but was not able to find any >> device >> there with IPV4 address 192.168.10.3(modified one) up.Then I also >> searched >> for 192.168.10.2 but no help at all. >> >> >> 7. When I boot he USRP2 then all LED’s blinks as given in the youtube >> video >> i.e. all blink in the beginning and finally only D and F remains >> glowing.Also the green light to the left of the Ethernet cable keeps >> glowing.The orange light to the right keeps blinking now and then when I >> do >> nmap scanning. >> >> >> 8.My host computers have gigabit Ethernet ports so that is not an issue I >> think. >> >> >> 9.I burnt my SD card with the firmware FPGA image as given at >> http://code.ettus.com/redmine/ettus/projects/public/wiki/U2binaries >> >> Raw Ethernet rel-20100603 d488c6b2 June 3, 2010 >> 5b73d3a67d7998d83936906dac0cb200 >> >> Raw Ethernet, with XCVR2450 v3.3.1git Jun 08, 2010 Use this with Raw >> Ethernet and the XCVR2450 >> >> >> I also checked the MD5 sum to make sure that I got the proper bin files. >> I have 3 USRP2 devices and the same problem prevails in all the three. >> No communication is happening above the layer three. >> Let me know what more I should try. >> >> >> >> ----- >> Sumit Kr. >> Research Assistant >> Communication Research center >> IIIT Hyderabad >> India >> > There are two different APIs for the USRP2 family--the original > "classic" API, which uses raw ethernet > frames, and the newer UHD API, which uses a UDP/IP based > communications protocol. Only the > UHD API supports IP, and will thus respond to pings, and > uhd_usrp_probe requires that the device be > running the UHD firmware. > > If you ran the build-gnuradio script, the UHD firmware for the USRP2 > will be in: > > /usr/local/share/uhd/images/usrp2_fpga.bin > /usr/local/share/uhd/images/usrp2_fw.bin > > The two "worlds" (non-UHD and UHD) aren't mutually compatible. > Applications that were written for > the "classic" API for USRP2 will not work unmodified for the UHD API, > and the device has to have its > firmware upgraded to run the UHD-based firmware, as shown above. > > > > -- > Principal Investigator > Shirleys Bay Radio Astronomy Consortium > http://www.sbrac.org > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > ----- Sumit Kr. Research Assistant Communication Research center IIIT Hyderabad India -- View this message in context: http://old.nabble.com/problem%28s%29-while-connecting-USRP2-with-GNURadio-tp32396111p32397124.html Sent from the GnuRadio mailing list archive at Nabble.com. _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
