diff options
Diffstat (limited to 'gnuradio-examples/python/digital/usrp_options.py')
| -rw-r--r-- | gnuradio-examples/python/digital/usrp_options.py | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/gnuradio-examples/python/digital/usrp_options.py b/gnuradio-examples/python/digital/usrp_options.py new file mode 100644 index 000000000..5408d2f3d --- /dev/null +++ b/gnuradio-examples/python/digital/usrp_options.py @@ -0,0 +1,103 @@ +# +# Copyright 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. +# + +import generic_usrp + +def _add_options(parser, expert): + """ + Add options to manually choose between usrp or usrp2. + Add options for usb. Add options common to source and sink. + @param parser: instance of OptionParser + """ + #pick usrp or usrp2 + parser.add_option("-u", "--usrpx", type="string", default=None, + help="specify which usrp model: 1 for USRP, 2 for USRP2 [default=auto]") + #fast usb options + expert.add_option("-B", "--fusb-block-size", type="int", default=0, + help="specify fast usb block size [default=%default]") + expert.add_option("-N", "--fusb-nblocks", type="int", default=0, + help="specify number of fast usb blocks [default=%default]") + #usrp options + parser.add_option("-w", "--which", type="int", default=0, + help="select USRP board [default=%default]") + #usrp2 options + parser.add_option("-e", "--interface", type="string", default="eth0", + help="Use USRP2 at specified Ethernet interface [default=%default]") + parser.add_option("-m", "--mac-addr", type="string", default="", + help="Use USRP2 at specified MAC address [default=None]") + +def add_rx_options(parser, expert=None): + """ + Add receive specific usrp options. + @param parser: instance of OptionParser + """ + parser.add_option("-R", "--rx-subdev-spec", type="subdev", default=None, + help="select USRP Rx side A or B") + parser.add_option("--rx-gain", type="eng_float", default=None, metavar="GAIN", + help="set receiver gain in dB [default=midpoint]. See also --show-rx-gain-range") + parser.add_option("--show-rx-gain-range", action="store_true", default=False, + help="print min and max Rx gain available on selected daughterboard") + parser.add_option("-d", "--decim", type="intx", default=None, + help="set fpga decimation rate to DECIM [default=%default]") + _add_options(parser, expert) + +def create_usrp_source(options): + u = generic_usrp.generic_usrp_source_c( + usrpx=options.usrpx, + which=options.which, + subdev_spec=options.rx_subdev_spec, + interface=options.interface, + mac_addr=options.mac_addr, + fusb_block_size=options.fusb_block_size, + fusb_nblocks=options.fusb_nblocks, + ) + if options.show_rx_gain_range: + print "Rx Gain Range: minimum = %g, maximum = %g, step size = %g"%tuple(u.gain_range()) + return u + +def add_tx_options(parser, expert=None): + """ + Add transmit specific usrp options. + @param parser: instance of OptionParser + """ + parser.add_option("-T", "--tx-subdev-spec", type="subdev", default=None, + help="select USRP Rx side A or B") + parser.add_option("--tx-gain", type="eng_float", default=None, metavar="GAIN", + help="set transmitter gain in dB [default=midpoint]. See also --show-tx-gain-range") + parser.add_option("--show-tx-gain-range", action="store_true", default=False, + help="print min and max Tx gain available on selected daughterboard") + parser.add_option("-i", "--interp", type="intx", default=None, + help="set fpga interpolation rate to INTERP [default=%default]") + _add_options(parser, expert) + +def create_usrp_sink(options): + u = generic_usrp.generic_usrp_sink_c( + usrpx=options.usrpx, + which=options.which, + subdev_spec=options.tx_subdev_spec, + interface=options.interface, + mac_addr=options.mac_addr, + fusb_block_size=options.fusb_block_size, + fusb_nblocks=options.fusb_nblocks, + ) + if options.show_tx_gain_range: + print "Tx Gain Range: minimum = %g, maximum = %g, step size = %g"%tuple(u.gain_range()) + return u |