I used the same grc file given in the gnu radio packet communication documentation.
I got the following error while running the transmit file.
Generating: '/media/shakthivel/Workspace/capstone/SatelliteSDR/pkt_xmt_gr38.py'
Executing: /usr/bin/python3 -u /media/shakthivel/Workspace/capstone/SatelliteSDR/pkt_xmt_gr38.py
handler caught exception:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/gnuradio/gr/gateway.py", line 78, in eval
try: self._callback(arg)
File "/media/shakthivel/Workspace/capstone/SatelliteSDR/packet_format_gr38.py", line 22, in handle_msg
inMsg = pmt.to_python (msg)
File "/usr/lib/python3/dist-packages/pmt/pmt_to_python.py", line 126, in pmt_to_python
return to_python(p)
File "/usr/lib/python3/dist-packages/pmt/pmt_to_python.py", line 57, in pmt_to_dict
for i in range(pmt.length(items)):
File "/usr/lib/python3/dist-packages/pmt/pmt_swig.py", line 2647, in length
return _pmt_swig.length(v)
RuntimeError
thread[thread-per-block[12]: <block Packet Format GR38(3)>]: SWIG director method error. Error detected when calling 'feval_p.eval'
Link to the site:https://wiki.gnuradio.org/index.php/Packet_Communications?ver1=3.8
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