apps/osmocom_fft: use reasonable defaults for gain & center frequency
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71d8d02793
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@ -113,18 +113,26 @@ class app_top_block(stdgui2.std_top_block, pubsub):
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options.samp_rate = self.src.get_sample_rates().start()
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if options.gain is None:
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# if no gain was specified, use the mid-point in dB
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r = self.src.get_gain_range()
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try: # empty gain range returned in file= mode
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options.gain = float(r.start()+r.stop())/2
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except RuntimeError:
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options.gain = 0
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pass
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gain = self.src.get_gain()
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if gain is None:
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# if no gain was specified, use the mid-point in dB
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r = self.src.get_gain_range()
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try: # empty gain range returned in file= mode
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options.gain = float(r.start()+r.stop())/2
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except RuntimeError:
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options.gain = 0
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pass
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else:
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options.gain = gain
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if options.center_freq is None:
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# if no freq was specified, use the mid-point in Hz
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r = self.src.get_freq_range()
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options.center_freq = float(r.start()+r.stop())/2
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freq = self.src.get_center_freq()
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if freq != 0:
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options.center_freq = freq
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else:
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# if no freq was specified, use the mid-point in Hz
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r = self.src.get_freq_range()
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options.center_freq = float(r.start()+r.stop())/2
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input_rate = self.src.set_sample_rate(options.samp_rate)
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self.src.set_bandwidth(input_rate)
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@ -260,7 +268,7 @@ class app_top_block(stdgui2.std_top_block, pubsub):
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key=CENTER_FREQ_KEY,
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minimum=self[FREQ_RANGE_KEY].start(),
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maximum=self[FREQ_RANGE_KEY].stop(),
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num_steps=101,
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num_steps=1000,
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)
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freq_hbox.AddSpacer(3)
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