Hi everyone,
I have just started on GNURadio for an undergraduate project and I would
require a little assistance.
I tried to run the dpsk transmitter and receiver examples, found in
gnuradio/examples/uhd/uhd_rx_dpsk.grc and
gnuradio/examples/uhd/uhd_tx_dpsk.grc. I am using the N210 USRP with the WBX
daughterboard and the VERT2450 antenna, with GNURadio version 3.6.0 running
on Ubuntu 12.04 LTS.
When I run the transmit file, I receive the following error:
Traceback (most recent call last):
File "/tmp/uhd_tx_dpsk.py", line 234, in <module>
tb = uhd_tx_dpsk(samp_rate=options.samp_rate, freq=options.freq,
gain=options.gain, address=options.address)
File "/tmp/uhd_tx_dpsk.py", line 150, in __init__
log=False)
File "/usr/lib/python2.7/dist-packages/gnuradio/digital/qpsk.py", line
139, in __init__
*args, **kwargs)
TypeError: __init__() got an unexpected keyword argument 'mod_code'
When I run the receive file, I receive the following error:
Traceback (most recent call last):
File "/tmp/uhd_rx_dpsk.py", line 327, in <module>
tb = uhd_rx_dpsk(samp_rate=options.samp_rate, freq=options.freq,
gain=options.gain, address=options.address, freq_offset=options.freq_offset)
File "/tmp/uhd_rx_dpsk.py", line 217, in __init__
log=False
File "/usr/lib/python2.7/dist-packages/gnuradio/digital/qpsk.py", line
165, in __init__
*args, **kwargs)
TypeError: __init__() got an unexpected keyword argument 'mod_code'
Both errors look similar and have something to do with “mod_code”. Does
anyone know how to solve it? Also, any suggestions on another GRC
receive/transmit example I can use to test out my N210 USRP boards? Thank
you very much!
Tan Chong Min
Undergraduate
National University of Singapore
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