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From: | Daniel Marlow |
Subject: | [Discuss-gnuradio] B210 two-channel operation |
Date: | Tue, 27 Jan 2015 14:29:01 -0500 |
Hello, OS: Ubuntu 14.01.1 gnu-radio: 3.7.6 Dell Optiplex 765 I am having trouble using the B210 USRP in two channel mode. Things work well when I use grc to configure the B210 with one channel, but when I try using two channels, I get the error shown below. This is quite similar to a problem I had earlier with a TVRX2, which was fixed with a "-M build." I am still using the same build and the TVRX2 continues to work fine. Perhaps I am not configuring the B210 properly? I attach the .grc and top_block.py files. Any suggestions would be most welcome. Sincerely, Dan Marlow |
B210b.grc
Description: Binary data
top_block.py
Description: Text Data
Executing: "/home/marlow/gnuradio/B210/top_block.py" linux; GNU C++ version 4.8.2; Boost_105400; UHD_003.008.000-50-gb228b755 Using Volk machine: ssse3_64_orc libGL error: failed to load driver: swrast -- Operating over USB 2. -- Initialize CODEC control... -- Initialize Radio control... -- Performing register loopback test... pass -- Performing register loopback test... pass -- Performing CODEC loopback test... pass -- Performing CODEC loopback test... pass -- Asking for clock rate 32.000000 MHz... -- Actually got clock rate 32.000000 MHz. -- Performing timer loopback test... pass -- Performing timer loopback test... pass -- Setting master clock rate selection to 'automatic'. Traceback (most recent call last): File "/home/marlow/gnuradio/B210/top_block.py", line 178, in <module> tb = top_block() File "/home/marlow/gnuradio/B210/top_block.py", line 99, in __init__ self.uhd_usrp_source_0.set_samp_rate(samp_rate) File "/usr/local/lib/python2.7/dist-packages/gnuradio/uhd/uhd_swig.py", line 2774, in set_samp_rate return _uhd_swig.usrp_source_sptr_set_samp_rate(self, *args, **kwargs) RuntimeError: LookupError: IndexError: multi_usrp: RX channel 1 out of range for configured RX frontends >>> Done |
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