Changeset 7486

Timestamp:

01/21/08 17:06:28

Author:

jcorgan

Message:

Further attempted noise reduction for ticket:230

Files:

• gnuradio/trunk/gr-usrp/src/db_flexrf.py (modified) (2 diffs)

gnuradio/trunk/gr-usrp/src/db_flexrf.py

@@ -89 +89 @@
-        #print "flexrf_base.__del__"
-        self._u.write_io(self._which, self.power_off, POWER_UP)   # turn off power to board
+        # Power down VCO/PLL
+        self.PD = 3 
+        self._write_control(self._compute_control_reg())
-        self._enable_refclk(False)                       # turn off refclk
-        self.set_auto_tr(False)
@@ -411 +414 @@
-            | (self.ABP<<16) | (self.R_DIV<<2)
-        
+        control = self._compute_control_reg()
+
+        N = (self.DIVSEL<<23) | (self.DIV2<<22) | (self.CPGAIN<<21) | (self.B_DIV<<8) | \
+            (self.N_RSV<<7) | (self.A_DIV<<2)
+
+        return (R,control,N,actual_freq/self.freq_mult)
+
+    def _compute_control_reg(self):
-        control = (self.P<<22) | (self.PD<<20) | (self.CP2<<17) | (self.CP1<<14) | (self.PL<<12) \
-                  | (self.MTLD<<11) | (self.CPG<<10) | (self.CP3S<<9) | (self.PDP<<8) | \
-                  (self.MUXOUT<<5) | (self.CR<<4) | (self.PC<<2)
-
-
-
-
-
+
-
-    def _refclk_divisor(self):