How can I use the self.max_freq and self.min_freq like a global variable? I want to use it in the def main_loop(tb): but if I use it
That's the given error: Traceback (most recent call last): File "./spectrum_output.py", line 309, in <module> main_loop(tb) File "./spectrum_output.py", line 246, in main_loop print min_freq, max_freq
NameError: global name 'min_freq' is not defined
I tried to put max_freq = self.max_freq min_freq = self.min_freq in the class my_top_block(gr.top_block):