diff options
Diffstat (limited to 'gnuradio-examples/python/digital/usrp_transmit_path.py')
| -rw-r--r-- | gnuradio-examples/python/digital/usrp_transmit_path.py | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/gnuradio-examples/python/digital/usrp_transmit_path.py b/gnuradio-examples/python/digital/usrp_transmit_path.py index ee63dcd2b..f0f467599 100644 --- a/gnuradio-examples/python/digital/usrp_transmit_path.py +++ b/gnuradio-examples/python/digital/usrp_transmit_path.py @@ -58,21 +58,18 @@ class usrp_transmit_path(gr.hier_block2): if options.tx_freq is None: sys.stderr.write("-f FREQ or --freq FREQ or --tx-freq FREQ must be specified\n") raise SystemExit - tx_path = transmit_path.transmit_path(modulator_class, options) - for attr in dir(tx_path): #forward the methods - if not attr.startswith('_') and not hasattr(self, attr): - setattr(self, attr, getattr(tx_path, attr)) #setup usrp self._modulator_class = modulator_class self._setup_usrp_sink(options) - # Set up resampler based on rate determined by _setup_usrp_sink - rs_taps = gr.firdes.low_pass_2(32, 32, 0.45, 0.1, 60) - self.resampler = gr.pfb_arb_resampler_ccf(self.rs_rate, rs_taps) + tx_path = transmit_path.transmit_path(modulator_class, options) + for attr in dir(tx_path): #forward the methods + if not attr.startswith('_') and not hasattr(self, attr): + setattr(self, attr, getattr(tx_path, attr)) #connect - self.connect(tx_path, self.resampler, self.u) + self.connect(tx_path, self.u) def _setup_usrp_sink(self, options): """ @@ -82,17 +79,20 @@ class usrp_transmit_path(gr.hier_block2): self.u = usrp_options.create_usrp_sink(options) dac_rate = self.u.dac_rate() self.rs_rate = options.bitrate # Store requested bit rate - if options.verbose: - print 'USRP Sink:', self.u + (self._bitrate, self._samples_per_symbol, self._interp) = \ - pick_tx_bitrate(options.bitrate, self._modulator_class.bits_per_symbol(), \ - options.samples_per_symbol, options.interp, dac_rate, \ - self.u.get_interp_rates()) + pick_tx_bitrate(options.bitrate, self._modulator_class.bits_per_symbol(), + options.samples_per_symbol, options.interp, + dac_rate, self.u.get_interp_rates()) - # Calculate resampler rate based on requested and actual rates - self.rs_rate = self._bitrate / self.rs_rate - print "Resampling by %f to get bitrate of %ssps" % (self.rs_rate, eng_notation.num_to_str(self._bitrate/self.rs_rate)) + options.interp = self._interp + options.samples_per_symbol = self._samples_per_symbol + options.bitrate = self._bitrate + if options.verbose: + print 'USRP Sink:', self.u + print "Interpolation Rate: ", self._interp + self.u.set_interp(self._interp) self.u.set_auto_tr(True) |