diff options
Diffstat (limited to 'gr-uhd/examples/python/usrp_nbfm_ptt.py')
| -rwxr-xr-x | gr-uhd/examples/python/usrp_nbfm_ptt.py | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/gr-uhd/examples/python/usrp_nbfm_ptt.py b/gr-uhd/examples/python/usrp_nbfm_ptt.py index 651204a050..76e1f47c3c 100755 --- a/gr-uhd/examples/python/usrp_nbfm_ptt.py +++ b/gr-uhd/examples/python/usrp_nbfm_ptt.py @@ -28,6 +28,7 @@ from optparse import OptionParser from gnuradio import gr, audio, uhd from gnuradio import analog from gnuradio import blocks +from gnuradio import filter from gnuradio.eng_option import eng_option from gnuradio.wxgui import stdgui2, fftsink2, scopesink2, slider, form @@ -304,20 +305,20 @@ class transmit_path(gr.hier_block2): self.audio = audio.source(int(self.audio_rate), audio_input) self.audio_amp = blocks.multiply_const_ff(self.audio_gain) - lpf = gr.firdes.low_pass (1, # gain - self.audio_rate, # sampling rate - 3800, # low pass cutoff freq - 300, # width of trans. band - gr.firdes.WIN_HANN) # filter type + lpf = filter.firdes.low_pass(1, # gain + self.audio_rate, # sampling rate + 3800, # low pass cutoff freq + 300, # width of trans. band + filter.firdes.WIN_HANN) # filter type - hpf = gr.firdes.high_pass (1, # gain - self.audio_rate, # sampling rate - 325, # low pass cutoff freq - 50, # width of trans. band - gr.firdes.WIN_HANN) # filter type + hpf = filter.firdes.high_pass(1, # gain + self.audio_rate, # sampling rate + 325, # low pass cutoff freq + 50, # width of trans. band + filter.firdes.WIN_HANN) # filter type audio_taps = convolve(array(lpf),array(hpf)) - self.audio_filt = gr.fir_filter_fff(1,audio_taps) + self.audio_filt = filter.fir_filter_fff(1,audio_taps) self.pl = analog.ctcss_gen_f(self.audio_rate,123.0) self.add_pl = blocks.add_ff() @@ -390,11 +391,11 @@ class receive_path(gr.hier_block2): # Create filter to get actual channel we want nfilts = 32 - chan_coeffs = gr.firdes.low_pass (nfilts, # gain - nfilts*dev_rate, # sampling rate - 13e3, # low pass cutoff freq - 4e3, # width of trans. band - gr.firdes.WIN_HANN) # filter type + chan_coeffs = filter.firdes.low_pass(nfilts, # gain + nfilts*dev_rate, # sampling rate + 13e3, # low pass cutoff freq + 4e3, # width of trans. band + filter.firdes.WIN_HANN) # filter type rrate = self.quad_rate / dev_rate self.resamp = filter.pfb.arb_resampler_ccf(rrate, chan_coeffs, nfilts) |