[Commit-gnuradio] r6025 - gnuradio/branches/developers/jcorgan/radar/gr-usrp/src

[jcorgan]

Author: jcorgan
Date: 2007-07-18 22:33:48 -0600 (Wed, 18 Jul 2007)
New Revision: 6025

Modified:
   gnuradio/branches/developers/jcorgan/radar/gr-usrp/src/db_flexrf.py
Log:
Add functions to get and set LO offset on RFX boards.

Modified: gnuradio/branches/developers/jcorgan/radar/gr-usrp/src/db_flexrf.py
===================================================================
--- gnuradio/branches/developers/jcorgan/radar/gr-usrp/src/db_flexrf.py 
2007-07-19 00:28:28 UTC (rev 6024)
+++ gnuradio/branches/developers/jcorgan/radar/gr-usrp/src/db_flexrf.py 
2007-07-19 04:33:48 UTC (rev 6025)
@@ -225,7 +225,7 @@
         # power up the transmit side, but don't enable the mixer
         self._u._write_oe(self._which,(POWER_UP|RX_TXN|ENABLE), 0xffff)
         self._u.write_io(self._which, (self.power_on|RX_TXN), 
(POWER_UP|RX_TXN|ENABLE))
-        self.lo_offset = 4e6             # FIXME may want to be a function of 
d'board
+        self.lo_offset = 4e6 
 
     def __del__(self):
         #print "flexrf_base_tx.__del__"
@@ -275,7 +275,22 @@
         """
         return self._set_pga(self._u.pga_max())
 
+    def set_lo_offset(self, offset):
+       """
+       Set amount by which LO is offset from requested tuning frequency.
+       
+       @param offset: offset in Hz
+       """
+       self.lo_offset = offset
 
+    def get_lo_offset(self):
+       """
+       Get amount by which LO is offset from requested tuning frequency.
+       
+       @returns Offset in Hz
+       """
+       return self.lo_offset
+       
 class flexrf_base_rx(flexrf_base):
     def __init__(self, usrp, which):
         """
@@ -293,7 +308,7 @@
 
         self.bypass_adc_buffers(True)
 
-        self.lo_offset = -4e6             # FIXME may want to be a function of 
d'board
+        self.lo_offset = -4e6
 
     def __del__(self):
         # print "flexrf_base_rx.__del__"
@@ -346,7 +361,23 @@
         return self._u.write_aux_dac(self._which, 0, int(dac_value)) and \
                self._set_pga(int(pga_gain))
 
+    def set_lo_offset(self, offset):
+       """
+       Set amount by which LO is offset from requested tuning frequency.
+       
+       @param offset: offset in Hz
+       """
+       self.lo_offset = offset
 
+    def get_lo_offset(self):
+       """
+       Get amount by which LO is offset from requested tuning frequency.
+       
+       @returns Offset in Hz
+       """
+       return self.lo_offset
+       
+
 # ----------------------------------------------------------------
 
 class _AD4360_common(object):