On Mon, 2011-08-08 at 12:16 -0400, saketh kumar wrote: > Hello everyone > > I am working on USRPN200 with RFX2400. I am trying to make > digital-bert scripts to work for uhd devices. I have modified them a > bit but i am getting some errors which am unable to debug. If anyone > can help me out. Attached are my benchmark_tx and transmit_path > scripts. > > while running the script, it shows me : > > aravind@COE-CW85V91:~/gnuradio/gnuradio-examples/python/digital-bert > $ ./uhd_benchmark_tx.py -f 2500M -g 16 > linux; GNU C++ version 4.4.5; Boost_104200; UHD_003.001.002-5239879 > > >>> gr_fir_ccf: using SSE > Modulation: 250k bits/sec > TX IF rate: 500k samples/sec > USRP interpolation: 256 > DAC amplitude: 2000 > -- Opening a USRP2/N-Series device... > -- Current recv frame size: 1472 bytes > -- Current send frame size: 1472 bytes > -- mboard0 is MIMO master > > UHD Warning: > Unable to set the thread priority. Performance may be negatively > affected. > Please see the general application notes in the manual for > instructions. > EnvironmentError: OSError: error in pthread_setschedparam > Gain d'board: 16 dB > Actual center frequency 2.5G > Traceback (most recent call last): > File "./uhd_benchmark_tx.py", line 109, in <module> > tb = tx_bpsk_block(options) > File "./uhd_benchmark_tx.py", line 56, in __init__ > self.connect(self._transmitter, self._usrp) > File > "/usr/local/lib/python2.6/dist-packages/gnuradio/gr/top_block.py", > line 124, in connect > self._connect(points[i-1], points[i]) > File > "/usr/local/lib/python2.6/dist-packages/gnuradio/gr/top_block.py", > line 130, in _connect > dst_block.to_basic_block(), dst_port) > File > "/usr/local/lib/python2.6/dist-packages/gnuradio/gr/gnuradio_core_runtime.py", > line 1504, in primitive_connect > return > _gnuradio_core_runtime.gr_top_block_sptr_primitive_connect(self, > *args) > ValueError: port number 0 exceeds max of (none)
You're connecting a signal source to a USRP source. The source block is the "receiver" block; it produces samples. The sink block is the "transmitter" block; it consumes samples. --n > > > -- > Saketh Kumar > _______________________________________________ > 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
