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From: | lannan jiang |
Subject: | AttributeError: module 'gnuradio.digital.qam' has no attribute 'qam_mod' |
Date: | Wed, 17 Jun 2020 17:40:47 +0000 |
Hi everyone,
I am still pretty new to GNU Radio, and I am trying to use the 'QAM-mod' block in GRC. However, I have encountered the following error and I am not sure how to fix this:
error message:
Traceback (most recent call last):
File "/home/lannanjiang/gr-iio/My_Radio/QAMmodem.py", line 214, in <module>
main()
File "/home/lannanjiang/gr-iio/My_Radio/QAMmodem.py", line 192, in main
tb = top_block_cls()
File "/home/lannanjiang/gr-iio/My_Radio/QAMmodem.py", line 140, in __init__
self.digital_qam_mod_2 = digital.qam.qam_mod(
AttributeError: module 'gnuradio.digital.qam' has no attribute 'qam_mod'
The following is what I typed to install gnuradio and gr-iio on a 64bit guest machine, Ubuntu 20.04 LTS.
sudo apt install gnuradio
sudo apt install swig
sudo apt install liborc-dev
git clone -b upgrade-3.8
https://github.com/analogdevicesinc/gr-iio.git
cd gr-iio
cmake .
make
sudo make install
cd ..
sudo ldconfig
I have looked up similar questions asked by others but I was unable to resolve this error.
By the way, I was able tp use FM mod and demod blocks GNU radio, but I keep getting the "no attribute error" for QAM mod and
constellation modulator blocks.
Please help me with this, any suggestions will be appreciated!
Thanks
in advance
Lannan Jiang |
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