diff options
| author | Dimitri Stolnikov <horiz0n@gmx.net> | 2013-10-26 14:51:05 +0200 |
|---|---|---|
| committer | Dimitri Stolnikov <horiz0n@gmx.net> | 2013-10-26 15:04:36 +0200 |
| commit | b7e2dd013b1918e1f6ce8817909b7a744fcc820f (patch) | |
| tree | 51f6ae733e3377b717bef198b741f27423db24a8 /apps | |
| parent | 71d8d027930b48261eaf1d9e014bc61287ce1bcf (diff) | |
apps/osmocom_fft: use reasonable defaults for gain & center frequency
Diffstat (limited to 'apps')
| -rwxr-xr-x | apps/osmocom_fft | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/apps/osmocom_fft b/apps/osmocom_fft index 3efdf36..399026d 100755 --- a/apps/osmocom_fft +++ b/apps/osmocom_fft @@ -113,18 +113,26 @@ class app_top_block(stdgui2.std_top_block, pubsub): options.samp_rate = self.src.get_sample_rates().start() if options.gain is None: - # if no gain was specified, use the mid-point in dB - r = self.src.get_gain_range() - try: # empty gain range returned in file= mode - options.gain = float(r.start()+r.stop())/2 - except RuntimeError: - options.gain = 0 - pass + gain = self.src.get_gain() + if gain is None: + # if no gain was specified, use the mid-point in dB + r = self.src.get_gain_range() + try: # empty gain range returned in file= mode + options.gain = float(r.start()+r.stop())/2 + except RuntimeError: + options.gain = 0 + pass + else: + options.gain = gain if options.center_freq is None: - # if no freq was specified, use the mid-point in Hz - r = self.src.get_freq_range() - options.center_freq = float(r.start()+r.stop())/2 + freq = self.src.get_center_freq() + if freq != 0: + options.center_freq = freq + else: + # if no freq was specified, use the mid-point in Hz + r = self.src.get_freq_range() + options.center_freq = float(r.start()+r.stop())/2 input_rate = self.src.set_sample_rate(options.samp_rate) self.src.set_bandwidth(input_rate) @@ -260,7 +268,7 @@ class app_top_block(stdgui2.std_top_block, pubsub): key=CENTER_FREQ_KEY, minimum=self[FREQ_RANGE_KEY].start(), maximum=self[FREQ_RANGE_KEY].stop(), - num_steps=101, + num_steps=1000, ) freq_hbox.AddSpacer(3) |