Ok, i can repeat this problem. If you use the latest 0001* image and change USRP_E_COMPAT_NUM to 0x02 in usrp_e100_impl.hpp, it should be fine.
http://www.ettus.com/downloads/uhd_images/UHD-images-0001.20101214004901.3ed60b6/ Figuring it out, _josh On 01/24/2011 07:39 AM, Achilleas Anastasopoulos wrote: > > I have followed the instruction for installing UHD from source to USRP > E100. > I have also installed the latest images (as of 1/22/2011). > > the benchmark_rx_rate command gives me the following (see attachement at > the end of the email.) > > I am worried about the warning and also about all the errors i get. > > ANy help will be greatly appreciated. > > Thanks > Achilleas > > ====================== > usrp-e1xx:/home/anastas/uhd/host/build/examples# ./benchmark_rx_rate > Exception in static block load_modules > basic_string::_S_construct NULL not valid this one is ok, the stuff after is unrelated and a problem > linux; GNU C++ version 4.5.2 20101204 (prerelease); Boost_104100; > UHD_002.20110121200648.0173a51 > > > Creating the usrp device with: ... > Opening USRP-E on /dev/usrp_e0 > Loading FPGA image: /usr/share/uhd/images/usrp_e100_fpga.bin... done = 1 > File name - /usr/share/uhd/images/usrp_e100_fpga.bin > Configuration complete. > re-Opening USRP-E on /dev/usrp_e0 > Using Device: Single USRP: > Device: usrp-e device > Mboard: usrp-e mboard > RX DSP: usrp-e ddc0 > RX Channel: 0 > RX Dboard: usrp-e dboard (rx unit) > RX Subdev: XCVR2450 (0x0061) > TX DSP: usrp-e duc0 > TX Channel: 0 > TX Dboard: usrp-e dboard (tx unit) > TX Subdev: XCVR2450 (0x0060) > > Testing receive rate 0.500000 Msps (10.000000 second run) > Error (usrp-e recv pirate loop): bad vrt header or invalid packet length > Metadata missing time spec, exit test... > Testing receive rate 1.000000 Msps (10.000000 second run) > OMetadata missing time spec, exit test... > Testing receive rate 2.000000 Msps (10.000000 second run) > Metadata missing time spec, exit test... > Testing receive rate 4.000000 Msps (10.000000 second run) > Error code: 1 > Unexpected error on recv, exit test... > Testing receive rate 8.000000 Msps (10.000000 second run) > Error code: 1 > Unexpected error on recv, exit test... > Testing receive rate 16.000000 Msps (10.000000 second run) > Error code: 1 > Unexpected error on recv, exit test... > Testing receive rate 32.000000 Msps (10.000000 second run) > Error code: 1 > Unexpected error on recv, exit test... > Testing receive rate 64.000000 Msps (10.000000 second run) > Error code: 1 > Unexpected error on recv, exit test... > > Warning: > The hardware does not support the requested RX sample rate: > Target sample rate: 128.000000 MSps > Actual sample rate: 64.000000 MSps > > Done! > =================================== > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
