Merged developer branch for digital r10900:10941

Creates generic usrp class abstraction for usrp and usrp2.
Common command line options for usrp devices.



git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@10942 221aa14e-8319-0410-a670-987f0aec2ac5

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