AttributeError: module 'gnuradio.fosphor' has no attribute 'glfw_sink_c' about dji_droneid HOT 2 OPEN

You can disable that block if you'd like. It's not required for the graph to operate. It's just there to help you tell that you should be getting successful demods.

If you want to see the fosphor display, first make sure that gr-osmosdr and gr-fosphor are installed. Check to see that your PYTHONPATH env variable has the directory that contains gr-fosphor (usually /usr/local/lib/python3.XX/dist-packages/gnuradio/fosphor where XX is your Python version number. Could also be in /usr/lib/python3.XX/dist-packages/gnuradio/fosphor. If it's not in either of those locations, then you will have to figure out where the fosphor directory is with something like find /usr -name foshor -type d. Once you have the directory nailed down, try running GNU Radio from the terminal with something like:

PYTHONPATH=$PYTHONPATH:/usr/local/lib/python3.10/dist-packages gnuradio-companion

Replacing the extra path with whatever the path is that your gr-fosphor modules is in (just up to the dist-packages dir, not the hole thing!)

See if that helps. The issue you are having is related to GNU Radio and gr-fosphor. Nothing here should be related to the flow graph or gr-droneid.

For fun, you can also go into the glfw source dir, then drill down to lib/fosphor, run make, then ./main some_random_file where some_random_file is the path to any file (doesn't have to be floating complex). If a window pops up without errors in the terminal then all is good between fosphor and glfw. Otherwise you have an error between those two libraries.

Good luck!

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Thanks a lot. It works!

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