[Discuss-gnuradio] Fwd: [Commit-gnuradio] r6369 - gnuradio/trunk/gr-utils/src/python

[Michael Dickens]

Here is a patch to add this method to the base class, since this will  
produce an error if trying "-A" on a subdev that's not an RFX. - MLD

Index: gr-usrp/src/db_base.py
===================================================================
--- gr-usrp/src/db_base.py      (revision 6375)
+++ gr-usrp/src/db_base.py      (working copy)
@@ -254,3 +254,10 @@
        Should be overriden by daughterboards that care.
        """
        return 0.0
+
+    def select_rx_antenna(self, which_antenna):
+        """
+        Specify which antenna port to use for reception.
+        Works for RFX boards only, so the default method does nothing.
+        """
+        pass

===================================================================

gr-usrp-select-rx-antenna.patch
Description: Binary data

Begin forwarded message:

From: address@hidden
Date: September 8, 2007 5:16:26 PM EDT
To: address@hidden
Subject: [Commit-gnuradio] r6369 - gnuradio/trunk/gr-utils/src/python

Author: matt
Date: 2007-09-08 15:16:25 -0600 (Sat, 08 Sep 2007)
New Revision: 6369

Modified:
   gnuradio/trunk/gr-utils/src/python/usrp_fft.py
Log:
added option to choose the antenna on RFX and WBX boards


Modified: gnuradio/trunk/gr-utils/src/python/usrp_fft.py
===================================================================
--- gnuradio/trunk/gr-utils/src/python/usrp_fft.py	2007-09-08  
19:13:15 UTC (rev 6368)
+++ gnuradio/trunk/gr-utils/src/python/usrp_fft.py	2007-09-08  
21:16:25 UTC (rev 6369)
@@ -57,6 +57,8 @@
                          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 @@

         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['address@hidden'].set_value(self.u.adc_freq() /  
self.u.decim_rate())