Hi, You can have only 1 RX and 1 TX channel in a N210. You are asking for 2 RX channels in your flow. Runtime complains that he can access only 1 channel (Rx0).
HTH, Nikos On Fri, Mar 18, 2016 at 5:39 PM, SUGANYA M <[email protected]> wrote: > Hi All, > I am using GNU Radio Companion 3.7.5 and USRP N210. > When I implemented a simple flow graph of SIMO system with two channels > using USRP source block ( attached grc flow graph snapshot for reference), > I am getting following error: > > Traceback (most recent call last): > File "/home/student/SUGAN/ONE_TWO.py", line 130, in <module> > tb = ONE_TWO() > File "/home/student/SUGAN/ONE_TWO.py", line 72, in __init__ > channels=range(2), > File "/usr/local/lib/python2.7/dist-packages/gnuradio/uhd/__init__.py", > line 122, in constructor_interceptor > return old_constructor(*args) > File "/usr/local/lib/python2.7/dist-packages/gnuradio/uhd/uhd_swig.py", > line 1740, in make > return _uhd_swig.usrp_source_make(*args) > RuntimeError: LookupError: IndexError: multi_usrp: RX channel 1 out of > range for configured RX frontends > > Can anyone help me to fix this error? > Thanks in advance > > Regards, > Suganya.M > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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