From: eb <eb@221aa14e-8319-0410-a670-987f0aec2ac5>
Date: Wed, 30 May 2007 19:26:46 +0000 (+0000)
Subject: Added error checking on call to set_freq
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=22988d507235d59cc168408e8dee8f0210153701;p=debian%2Fgnuradio

Added error checking on call to set_freq

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@5577 221aa14e-8319-0410-a670-987f0aec2ac5
---

diff --git a/gnuradio-examples/python/usrp/fm_tx4.py b/gnuradio-examples/python/usrp/fm_tx4.py
index da887d8b..7e5023dd 100755
--- a/gnuradio-examples/python/usrp/fm_tx4.py
+++ b/gnuradio-examples/python/usrp/fm_tx4.py
@@ -104,7 +104,13 @@ class fm_tx_graph (stdgui.gui_flow_graph):
         print "Using TX d'board %s" % (self.subdev.side_and_name(),)
 
         self.subdev.set_gain(self.subdev.gain_range()[1])    # set max Tx gain
-        self.set_freq(options.freq)
+        if not self.set_freq(options.freq):
+            freq_range = self.subdev.freq_range()
+            print "Failed to set frequency to %s.  Daughterboard supports %s to %s" % (
+                eng_notation.num_to_str(options.freq),
+                eng_notation.num_to_str(freq_range[0]),
+                eng_notation.num_to_str(freq_range[1]))
+            raise SystemExit
         self.subdev.set_enable(True)                         # enable transmitter
 
         sum = gr.add_cc ()