On 09/13/2011 07:48 AM, Eral Tuerkyilmaz wrote: > Hello, > > Thanks for your suggestion. I tried to replace the second DSP Core by a > simple counter so that i should receive something on the second channel. > > Then instatiated a UHD source block in GRC, added a second channel (Num > Channels = 2) to the UHD Source block and configured it the same way as > the other channel. Then I tried to run the graph but it keeps telling me > that the configuration of the the second channel is wrong (e.g: > uhd_usrp_source_0.set_center_freq(10000000, 1) leads to > vector::_M_range_check ... Maybe I'm just using wrong parameters for the > second channel?) > >
Yea, it needs a subdev spec to map the wbx frontend to DSP0 and DSP1, try "A:0 A:0" for the string representation. -josh > By the way: I'm using a WBX board to get the I/Q Samples. Are there > maybe any other parameters for the USRP board necessary (subdev specs?) > to get this additional samples? > > Thank you, > Eral > > On 05/09/2011 09:55, Josh Blum wrote: > >> >> You may want to replace the second DSP in the top level verilog with >> your own module. On the host side, just configure the uhd source block >> for two channels. > > >> On 09/04/2011 11:18 PM, Eral Tuerkyilmaz wrote: >>> Hi, >>> >>> I want to change my USRP N210 - FPGA config to calculate a correlation >>> sum and transmit this sum synchronously with the I/Q sample pairs to the >>> PC (e.g to get this samples from an extra channel on the UHD block). >>> What would be the easiest way to transmit these additional data to the >>> samples and where are changes necessary (firmware, fpga-config)? >>> > > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
