diff options
Diffstat (limited to 'gr-utils/src/python/usrp_rx_cfile.py')
-rwxr-xr-x | gr-utils/src/python/usrp_rx_cfile.py | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/gr-utils/src/python/usrp_rx_cfile.py b/gr-utils/src/python/usrp_rx_cfile.py deleted file mode 100755 index 3ac9fb56f..000000000 --- a/gr-utils/src/python/usrp_rx_cfile.py +++ /dev/null @@ -1,108 +0,0 @@ -#!/usr/bin/env python - -""" -Read samples from the USRP and write to file formatted as binary -outputs single precision complex float values or complex short values (interleaved 16 bit signed short integers). - -""" - -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 - -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=16, - help="set fgpa decimation rate to DECIM [default=%default]") - parser.add_option("-f", "--freq", type="eng_float", default=None, - 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("-8", "--width-8", action="store_true", default=False, - help="Enable 8-bit samples across USB") - parser.add_option( "--no-hb", action="store_true", default=False, - help="don't use halfband filter in usrp") - parser.add_option( "-s","--output-shorts", action="store_true", default=False, - help="output interleaved shorts in stead of complex floats") - parser.add_option("-N", "--nsamples", type="eng_float", default=None, - help="number of samples to collect [default=+inf]") - (options, args) = parser.parse_args () - if len(args) != 1: - parser.print_help() - raise SystemExit, 1 - filename = args[0] - - 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 - if options.no_hb or (options.decim<8): - self.fpga_filename="std_4rx_0tx.rbf" #Min decimation of this firmware is 4. contains 4 Rx paths without halfbands and 0 tx paths. - if options.output_shorts: - self.u = usrp.source_s(decim_rate=options.decim,fpga_filename=self.fpga_filename) - else: - self.u = usrp.source_c(decim_rate=options.decim,fpga_filename=self.fpga_filename) - else: - #standard fpga firmware "std_2rxhb_2tx.rbf" contains 2 Rx paths with halfband filters and 2 tx paths (the default) min decimation 8 - if options.output_shorts: - self.u = usrp.source_s(decim_rate=options.decim) - else: - self.u = usrp.source_c(decim_rate=options.decim) - if options.width_8: - sample_width = 8 - sample_shift = 8 - format = self.u.make_format(sample_width, sample_shift) - r = self.u.set_format(format) - if options.output_shorts: - self.dst = gr.file_sink(gr.sizeof_short, filename) - else: - self.dst = gr.file_sink(gr.sizeof_gr_complex, filename) - if options.nsamples is None: - self.connect(self.u, self.dst) - else: - if options.output_shorts: - self.head = gr.head(gr.sizeof_short, int(options.nsamples)*2) - else: - self.head = gr.head(gr.sizeof_gr_complex, int(options.nsamples)) - self.connect(self.u, self.head, self.dst) - - if options.rx_subdev_spec is None: - options.rx_subdev_spec = usrp.pick_rx_subdevice(self.u) - self.u.set_mux(usrp.determine_rx_mux_value(self.u, options.rx_subdev_spec)) - - # determine the daughterboard subdevice we're using - self.subdev = usrp.selected_subdev(self.u, options.rx_subdev_spec) - print "Using RX d'board %s" % (self.subdev.side_and_name(),) - input_rate = self.u.adc_freq() / self.u.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.subdev.gain_range() - options.gain = float(g[0]+g[1])/2 - - self.subdev.set_gain(options.gain) - - r = self.u.tune(0, self.subdev, options.freq) - if not r: - sys.stderr.write('Failed to set frequency\n') - raise SystemExit, 1 - - -if __name__ == '__main__': - try: - my_top_block().run() - except KeyboardInterrupt: - pass |