Re: [Discuss-gnuradio] Problem with tutorial

Hi,

It could be that calls to set_ampl() and set_freq() are made before analog_sig_source_x_1 is declared. Try moving the signal source declarations to the top of the # Blocks section.

Cheers,

Ernest

On Thu, Jul 12, 2018 at 12:14 AM, Sims, William Herb (MSFC-EV41) <herb.sims@nasa.gov> wrote:

I am trying to come up to speed on running gnu-radio python scripts outside of GRC and have run into a problem. 

 

From https://wiki.gnuradio.org/index.php/Guided_Tutorial_GNU_Radio_in_Python#3.1.1._GRC_Generated_Python_Files (specifically 3.1 Intro to Using GNU Radio with Python) where I copied and pasted the source code into the if_else_mod.py file and the ran python if_else_mod.py

I had to make a modification to the source code by changing the PyQt4 to PyQt5 (I don't have 4 installed and is not supported anymore) and I keep getting a segmentation fault 11 on my Mac Laptop. I've included the python file as well.

 

Any help would be appreciated.

 

Thanks,

 

Herb

 

 

Dr. Herb Sims

EV41

Bldg. 4600 / Room 4113

Control Systems Design & Analysis Branch

MSFC, AL 35812

256-961-3214

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