uhd: added subdevspec option to UHD examples and sets antenna based on option.

1 files changed, 11 insertions, 0 deletions

diff --git a/gr-uhd/examples/fm_tx_2_daughterboards.py b/gr-uhd/examples/fm_tx_2_daughterboards.py
index 25325bd19..61c437a98 100755
--- a/gr-uhd/examples/fm_tx_2_daughterboards.py
+++ b/gr-uhd/examples/fm_tx_2_daughterboards.py
@@ -90,6 +90,8 @@ class my_top_block(gr.top_block):
         parser = OptionParser (option_class=eng_option, usage=usage)
         parser.add_option("-a", "--args", type="string", default="",
                           help="UHD device address args [default=%default]")
+        parser.add_option("", "--spec", type="string", default=None,
+	                  help="Subdevice of UHD device where appropriate")
         parser.add_option("-A", "--antenna", type="string", default=None,
                           help="select Rx Antenna where appropriate")
         parser.add_option("-s", "--samp-rate", type="eng_float", default=320e3,
@@ -170,6 +172,15 @@ class my_top_block(gr.top_block):
         self.set_gain(options.gain, 0)
         self.set_gain(options.gain, 1)
 
+        # Set the subdevice spec
+        if(options.spec):
+            self.u.set_subdev_spec(options.spec, 0)
+
+        # Set the antenna
+        if(options.antenna):
+            self.u.set_antenna(options.antenna, 0)
+            self.u.set_antenna(options.antenna, 1)
+       
     def set_freq(self, target_freq, chan):
         """
         Set the center frequency we're interested in.