def _setup_usrp_sink(self, options): """ Creates a USRP sink, determines the settings for best bitrate, and attaches to the transmitter's subdevice. """ self.u = usrp_options.create_usrp_sink(options) dac_rate = self.u.dac_rate() self.rs_rate = options.bitrate # Store requested bit rate (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()) 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) if not self.u.set_center_freq(options.tx_freq): print "Failed to set Rx frequency to %s" % ( eng_notation.num_to_str(options.tx_freq)) raise ValueError, eng_notation.num_to_str(options.tx_freq)
def _setup_usrp_sink(self, options): """ Creates a USRP sink, determines the settings for best bitrate, and attaches to the transmitter's subdevice. """ self.u = usrp_options.create_usrp_sink(options) dac_rate = self.u.dac_rate() self.rs_rate = options.bitrate # Store requested bit rate (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()) 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) if not self.u.set_center_freq(options.tx_freq): print "Failed to set Rx frequency to %s" % (eng_notation.num_to_str(options.tx_freq)) raise ValueError, eng_notation.num_to_str(options.tx_freq)
def _setup_usrpx(self, options): self._u = usrp_options.create_usrp_sink(options) self.publish(DESC_KEY, lambda: str(self._u)) self.publish(DAC_RATE_KEY, self._u.dac_rate) self.publish(FREQ_RANGE_KEY, self._u.freq_range) self.publish(GAIN_RANGE_KEY, self._u.gain_range) self.publish(GAIN_KEY, self._u.gain) if self._verbose: print str(self._u)