1 | # |
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2 | # Copyright 2009 Free Software Foundation, Inc. |
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3 | # |
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4 | # This file is part of GNU Radio |
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5 | # |
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6 | # GNU Radio is free software; you can redistribute it and/or modify |
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7 | # it under the terms of the GNU General Public License as published by |
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8 | # the Free Software Foundation; either version 3, or (at your option) |
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9 | # any later version. |
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10 | # |
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11 | # GNU Radio is distributed in the hope that it will be useful, |
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12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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14 | # GNU General Public License for more details. |
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15 | # |
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16 | # You should have received a copy of the GNU General Public License |
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17 | # along with GNU Radio; see the file COPYING. If not, write to |
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18 | # the Free Software Foundation, Inc., 51 Franklin Street, |
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19 | # Boston, MA 02110-1301, USA. |
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20 | # |
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21 | |
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22 | import generic_usrp |
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23 | |
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24 | def _add_options(parser, expert): |
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25 | """ |
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26 | Add options to manually choose between usrp or usrp2. |
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27 | Add options for usb. Add options common to source and sink. |
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28 | @param parser: instance of OptionParser |
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29 | """ |
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30 | #pick usrp or usrp2 |
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31 | parser.add_option("-u", "--usrpx", type="string", default=None, |
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32 | help="specify which usrp model: 1 for USRP, 2 for USRP2 [default=auto]") |
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33 | #fast usb options |
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34 | expert.add_option("-B", "--fusb-block-size", type="int", default=0, |
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35 | help="specify fast usb block size [default=%default]") |
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36 | expert.add_option("-N", "--fusb-nblocks", type="int", default=0, |
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37 | help="specify number of fast usb blocks [default=%default]") |
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38 | #usrp options |
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39 | parser.add_option("-w", "--which", type="int", default=0, |
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40 | help="select USRP board [default=%default]") |
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41 | #usrp2 options |
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42 | parser.add_option("-e", "--interface", type="string", default="eth0", |
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43 | help="Use USRP2 at specified Ethernet interface [default=%default]") |
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44 | parser.add_option("-m", "--mac-addr", type="string", default="", |
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45 | help="Use USRP2 at specified MAC address [default=None]") |
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46 | |
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47 | def add_rx_options(parser, expert=None): |
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48 | """ |
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49 | Add receive specific usrp options. |
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50 | @param parser: instance of OptionParser |
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51 | """ |
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52 | parser.add_option("-R", "--rx-subdev-spec", type="subdev", default=None, |
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53 | help="select USRP Rx side A or B") |
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54 | parser.add_option("--rx-gain", type="eng_float", default=None, metavar="GAIN", |
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55 | help="set receiver gain in dB [default=midpoint]. See also --show-rx-gain-range") |
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56 | parser.add_option("--show-rx-gain-range", action="store_true", default=False, |
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57 | help="print min and max Rx gain available on selected daughterboard") |
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58 | parser.add_option("-d", "--decim", type="intx", default=None, |
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59 | help="set fpga decimation rate to DECIM [default=%default]") |
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60 | _add_options(parser, expert) |
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61 | |
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62 | def create_usrp_source(options): |
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63 | u = generic_usrp.generic_usrp_source_c( |
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64 | usrpx=options.usrpx, |
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65 | which=options.which, |
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66 | subdev_spec=options.rx_subdev_spec, |
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67 | interface=options.interface, |
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68 | mac_addr=options.mac_addr, |
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69 | fusb_block_size=options.fusb_block_size, |
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70 | fusb_nblocks=options.fusb_nblocks, |
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71 | ) |
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72 | if options.show_rx_gain_range: |
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73 | print "Rx Gain Range: minimum = %g, maximum = %g, step size = %g"%tuple(u.gain_range()) |
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74 | return u |
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75 | |
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76 | def add_tx_options(parser, expert=None): |
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77 | """ |
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78 | Add transmit specific usrp options. |
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79 | @param parser: instance of OptionParser |
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80 | """ |
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81 | parser.add_option("-T", "--tx-subdev-spec", type="subdev", default=None, |
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82 | help="select USRP Rx side A or B") |
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83 | parser.add_option("--tx-gain", type="eng_float", default=None, metavar="GAIN", |
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84 | help="set transmitter gain in dB [default=midpoint]. See also --show-tx-gain-range") |
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85 | parser.add_option("--show-tx-gain-range", action="store_true", default=False, |
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86 | help="print min and max Tx gain available on selected daughterboard") |
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87 | parser.add_option("-i", "--interp", type="intx", default=None, |
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88 | help="set fpga interpolation rate to INTERP [default=%default]") |
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89 | _add_options(parser, expert) |
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90 | |
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91 | def create_usrp_sink(options): |
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92 | u = generic_usrp.generic_usrp_sink_c( |
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93 | usrpx=options.usrpx, |
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94 | which=options.which, |
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95 | subdev_spec=options.tx_subdev_spec, |
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96 | interface=options.interface, |
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97 | mac_addr=options.mac_addr, |
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98 | fusb_block_size=options.fusb_block_size, |
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99 | fusb_nblocks=options.fusb_nblocks, |
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100 | ) |
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101 | if options.show_tx_gain_range: |
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102 | print "Tx Gain Range: minimum = %g, maximum = %g, step size = %g"%tuple(u.gain_range()) |
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103 | return u |
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