diff options
Diffstat (limited to 'gnuradio-examples/python/multi_usrp/multi_usrp_rx_cfile.py')
| -rwxr-xr-x | gnuradio-examples/python/multi_usrp/multi_usrp_rx_cfile.py | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/gnuradio-examples/python/multi_usrp/multi_usrp_rx_cfile.py b/gnuradio-examples/python/multi_usrp/multi_usrp_rx_cfile.py deleted file mode 100755 index ca0ec97c2..000000000 --- a/gnuradio-examples/python/multi_usrp/multi_usrp_rx_cfile.py +++ /dev/null @@ -1,131 +0,0 @@ -#!/usr/bin/env python - -""" -Read samples 2 from two linked synchronised USRP's and write to file formatted as binary -single-precision complex values. -Make sure you read README on how to link the two usrps - -""" - -from gnuradio import gr, eng_notation -from gnuradio import audio -from gnuradio import usrp -from gnuradio.eng_option import eng_option -from optparse import OptionParser -import sys - -import time -from gnuradio import usrp_multi - -class my_top_block(gr.top_block): - - def __init__(self): - gr.top_block.__init__(self) - - usage="%prog: [options] output_filename" - parser = OptionParser(option_class=eng_option, usage=usage) - parser.add_option("-R", "--rx-subdev-spec", type="subdev", default=(0, 0), - help="select USRP Rx side A or B (default=A)") - parser.add_option("-d", "--decim", type="int", default=128, - help="set selfpa decimation rate to DECIM [default=%default]") - parser.add_option("-f", "--freq", type="eng_float", default=0.0, - help="set frequency to FREQ", metavar="FREQ") - parser.add_option("-g", "--gain", type="eng_float", default=None, - help="set gain in dB (default is midpoint)") - parser.add_option("-n", "--nchan", type="intx", default=2, - help="set nchannels to NCHAN") - parser.add_option("-N", "--nsamples", type="eng_float", default=None, - help="number of samples to collect [default=+inf]") - parser.add_option ("-o", "--output-file-m", default="usrp_rx_m.dat", - help="write master data to FILE", metavar="FILE") - parser.add_option ("--output-file-m2", default="usrp_rx_m2.dat", - help="write master data from second channel to FILE", metavar="FILE") - parser.add_option ("-p", "--output-file-s", default="usrp_rx_s.dat", - help="write slave data to FILE", metavar="FILE") - parser.add_option ("--output-file-s2", default="usrp_rx_s2.dat", - help="write slave data from second channel to FILE", metavar="FILE") - parser.add_option("-x", "--master-serialno", type="string", default=None, - help="Serial_no of the usrp which should be the MASTER (default= select any)") - (options, args) = parser.parse_args () - if len(args) != 0: - parser.print_help() - raise SystemExit, 1 - - if options.freq is None: - parser.print_help() - sys.stderr.write('You must specify the frequency with -f FREQ\n'); - raise SystemExit, 1 - - # build the graph - self.multi=usrp_multi.multi_source_align( fg=self, master_serialno=options.master_serialno, decim=options.decim, - nchan=options.nchan ) - self.um=self.multi.get_master_usrp() - self.us=self.multi.get_slave_usrp() - - dst_m=gr.file_sink (gr.sizeof_gr_complex, options.output_file_m) - dst_s=gr.file_sink (gr.sizeof_gr_complex, options.output_file_s) - if options.nsamples is None: - self.connect((self.multi.get_master_source_c(),1),dst_m) - self.connect((self.multi.get_slave_source_c(),1),dst_s) - else: - head_m = gr.head(gr.sizeof_gr_complex, int(options.nsamples)) - head_s = gr.head(gr.sizeof_gr_complex, int(options.nsamples)) - self.connect((self.multi.get_master_source_c(),1),head_m,dst_m) - self.connect((self.multi.get_slave_source_c(),1),head_s,dst_s) - - if(4==options.nchan): - dst_m2=gr.file_sink (gr.sizeof_gr_complex, options.output_file_m2) - dst_s2=gr.file_sink (gr.sizeof_gr_complex, options.output_file_s2) - if options.nsamples is None: - self.connect((self.multi.get_master_source_c(),2),dst_m2) - self.connect((self.multi.get_slave_source_c(),2),dst_s2) - else: - head_m2 = gr.head(gr.sizeof_gr_complex, int(options.nsamples)) - head_s2 = gr.head(gr.sizeof_gr_complex, int(options.nsamples)) - self.connect((self.multi.get_master_source_c(),2),head_m2,dst_m2) - self.connect((self.multi.get_slave_source_c(),2),head_s2,dst_s2) - - if options.rx_subdev_spec is None: - options.rx_subdev_spec = usrp.pick_rx_subdevice(self.um) - - if (options.nchan!=4): - mux=usrp.determine_rx_mux_value(self.um, options.rx_subdev_spec) - mux= (mux<<8 & 0xffffffff) | (mux & 0xff) - self.um.set_mux(mux) - self.us.set_mux(mux) - - # determine the daughterboard subdevice we're using - self.subdevm = usrp.selected_subdev(self.um, options.rx_subdev_spec) - self.subdevs = usrp.selected_subdev(self.us, options.rx_subdev_spec) - print "Using MASTER RX d'board %s" % (self.subdevm.side_and_name(),) - print "Using SLAVE RX d'board %s" % (self.subdevs.side_and_name(),) - input_rate = self.um.adc_freq() / self.um.decim_rate() - print "USB sample rate %s" % (eng_notation.num_to_str(input_rate)) - - if options.gain is None: - # if no gain was specified, use the mid-point in dB - g = self.subdevm.gain_range() - options.gain = float(g[0]+g[1])/2 - - self.multi.set_gain_all_rx(options.gain) - result,r1,r2,r3,r4 = self.multi.tune_all_rx(options.freq) - if not result: - sys.stderr.write('Failed to set frequency\n') - raise SystemExit, 1 - - def sync_usrps(self): - self.multi.sync() - - -if __name__ == '__main__': - tb=my_top_block() - tb.start() - #time.sleep(0.5) - tb.sync_usrps() - raw_input ('Press Enter to quit: ') - tb.stop() - #try: - # fg.start() - # fg.sync_usrps() - #except KeyboardInterrupt: - # pass |