[Commit-gnuradio] r3571 - gnuradio/trunk/gr-radio-astronomy/src/python

[mleech]

Author: mleech
Date: 2006-09-18 17:28:22 -0600 (Mon, 18 Sep 2006)
New Revision: 3571

Modified:
   gnuradio/trunk/gr-radio-astronomy/src/python/usrp_psr_receiver.py
   gnuradio/trunk/gr-radio-astronomy/src/python/usrp_ra_receiver.py
Log:
Updated the way the LPF bandwidth is set on daughtercard, if DBS_RX.



Modified: gnuradio/trunk/gr-radio-astronomy/src/python/usrp_psr_receiver.py
===================================================================
--- gnuradio/trunk/gr-radio-astronomy/src/python/usrp_psr_receiver.py   
2006-09-18 23:20:45 UTC (rev 3570)
+++ gnuradio/trunk/gr-radio-astronomy/src/python/usrp_psr_receiver.py   
2006-09-18 23:28:22 UTC (rev 3571)
@@ -16,8 +16,8 @@
 # 
 # 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.
+# the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
 # 
 
 
@@ -219,7 +219,7 @@
         self.decim = int(decim)
 
         # So that we can view 4 pulses in the pulse viewer window
-        FOLD_MULT=4
+        FOLD_MULT=1
 
         # determine the daughterboard subdevice we're using
         self.subdev = usrp.selected_subdev(self.u, options.rx_subdev_spec)
@@ -235,7 +235,10 @@
         # Set baseband filter bandwidth if DBS_RX:
         #
         if self.cardtype == usrp_dbid.DBS_RX:
-            self.subdev.set_bw((self.u.adc_freq() / self.u.decim_rate())/2)
+            lbw = input_rate / 2
+            if lbw < 1.0e6:
+                lbw = 1.0e6
+            self.subdev.set_bw(lbw)
 
         #
         # We use this as a crude volume control for the audio output

Modified: gnuradio/trunk/gr-radio-astronomy/src/python/usrp_ra_receiver.py
===================================================================
--- gnuradio/trunk/gr-radio-astronomy/src/python/usrp_ra_receiver.py    
2006-09-18 23:20:45 UTC (rev 3570)
+++ gnuradio/trunk/gr-radio-astronomy/src/python/usrp_ra_receiver.py    
2006-09-18 23:28:22 UTC (rev 3571)
@@ -16,8 +16,8 @@
 # 
 # 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.
+# the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
 # 
 
 from gnuradio import gr, gru
@@ -290,7 +290,10 @@
 
         # Set analog baseband filtering, if DBS_RX
         if self.cardtype == usrp_dbid.DBS_RX:
-            self.subdev.set_bw((self.u.adc_freq() / self.u.decim_rate())/2)
+            lbw = (self.u.adc_freq() / self.u.decim_rate()) / 2
+            if lbw < 1.0e6:
+                lbw = 1.0e6
+            self.subdev.set_bw(lbw)
 
         # Tell calibrator our declination as well
         calib_set_decln(self.decln)