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-rwxr-xr-xgr-utils/src/python/usrp_fft.py6
1 files changed, 6 insertions, 0 deletions
diff --git a/gr-utils/src/python/usrp_fft.py b/gr-utils/src/python/usrp_fft.py
index 353c89218..a8466092d 100755
--- a/gr-utils/src/python/usrp_fft.py
+++ b/gr-utils/src/python/usrp_fft.py
@@ -57,6 +57,8 @@ class app_flow_graph(stdgui.gui_flow_graph):
metavar="NUM")
parser.add_option("-R", "--rx-subdev-spec", type="subdev", default=None,
help="select USRP Rx side A or B (default=first one with a daughterboard)")
+ parser.add_option("-A", "--antenna", default=None,
+ help="select Rx Antenna (only on RFX-series boards)")
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,
@@ -122,6 +124,10 @@ class app_flow_graph(stdgui.gui_flow_graph):
self.set_gain(options.gain)
+ if options.antenna is not None:
+ print "Selecting antenna %s" % (options.antenna,)
+ self.subdev.select_rx_antenna(options.antenna)
+
if self.show_debug_info:
self.myform['decim'].set_value(self.u.decim_rate())
self.myform['fs@usb'].set_value(self.u.adc_freq() / self.u.decim_rate())