diff options
Diffstat (limited to 'gr-gpio/src/python/gpio_rx_sfile.py')
| -rwxr-xr-x | gr-gpio/src/python/gpio_rx_sfile.py | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/gr-gpio/src/python/gpio_rx_sfile.py b/gr-gpio/src/python/gpio_rx_sfile.py deleted file mode 100755 index 31f598ef7..000000000 --- a/gr-gpio/src/python/gpio_rx_sfile.py +++ /dev/null @@ -1,121 +0,0 @@ -#!/usr/bin/env python -# -# Copyright 2008,2009 Free Software Foundation, Inc. -# -# This file is part of GNU Radio -# -# GNU Radio is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 3, or (at your option) -# any later version. -# -# GNU Radio is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with GNU Radio; see the file COPYING. If not, write to -# the Free Software Foundation, Inc., 51 Franklin Street, -# Boston, MA 02110-1301, USA. -# - -from gnuradio import gr, eng_notation -from gnuradio import usrp -from gnuradio.eng_option import eng_option -from optparse import OptionParser -import sys - -from gnuradio import gpio - -class my_top_block(gr.top_block): - - def __init__(self, options): - gr.top_block.__init__(self) - - # Create a USRP source with GPIO FPGA build, then configure - u = usrp.source_s(decim_rate=options.decim,fpga_filename=gpio.fpga_filename) - - if options.force_complex_RXA: - # This is a dirty hack to force complex mode (receive both I and Q) on basicRX or LFRX - # This forces the receive board in RXA (side A) to be used - # FIXME: This has as a side effect that the gain for Q is not set. So only use with gain 0 (--gain 0) - options.rx_subdev_spec=(0,0) - u.set_mux(0x10) - if not (0==options.gain): - print "WARNING, you should set the gain to 0 with --gain 0 when using --force-complex-RXA" - print "The gain for Q will now still be zero while the gain for I is not" - #options.gain=0 - else: - if options.rx_subdev_spec is None: - options.rx_subdev_spec = usrp.pick_rx_subdevice(u) - u.set_mux(usrp.determine_rx_mux_value(u, options.rx_subdev_spec)) - - subdev = usrp.selected_subdev(u, options.rx_subdev_spec) - print "Using RX d'board %s" % (subdev.side_and_name(),) - input_rate = u.adc_freq()/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 = subdev.gain_range() - options.gain = float(g[0]+g[1])/2 - - - #TODO setting gain on basicRX only sets the I channel, use a second subdev to set gain of Q channel - #see gnuradio-examples/multi-antenna for possible solutions - subdev.set_gain(options.gain) - - #TODO check if freq has same problem as gain when trying to use complex mode on basicRX - r = u.tune(0, subdev, options.freq) - if not r: - sys.stderr.write('Failed to set frequency\n') - raise SystemExit, 1 - - # Connect pipeline - src = u - if options.nsamples is not None: - head = gr.head(gr.sizeof_short, int(options.nsamples)*2) - self.connect(u, head) - src = head - - ana_strip = gr.and_const_ss(0xFFFE) - dig_strip = gr.and_const_ss(0x0001) - ana_sink = gr.file_sink(gr.sizeof_short, options.ana_filename) - dig_sink = gr.file_sink(gr.sizeof_short, options.dig_filename) - - self.connect(src, ana_strip, ana_sink) - self.connect(src, dig_strip, dig_sink) - -if __name__ == '__main__': - usage="%prog: [options] analog_filename digital_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("-N", "--nsamples", type="eng_float", default=None, - help="number of samples to collect [default=+inf]") - parser.add_option("-F", "--force-complex-RXA", action="store_true", default=False, - help="enable basicRX hack to force complex mode on basicRX and LFRX. Only works on side A. Only use with --gain 0") - (options, args) = parser.parse_args () - if len(args) != 2: - parser.print_help() - raise SystemExit, 1 - options.ana_filename = args[0] - options.dig_filename = args[1] - - if options.freq is None: - parser.print_help() - sys.stderr.write('You must specify the frequency with -f FREQ\n'); - raise SystemExit, 1 - - try: - tb = my_top_block(options) - tb.run() - except KeyboardInterrupt: - pass |