20 files changed, 108 insertions, 72 deletions
diff --git a/gr-analog/grc/analog_agc2_xx.xml b/gr-analog/grc/analog_agc2_xx.xml
index e57666873b..04e9ad3add 100644
--- a/gr-analog/grc/analog_agc2_xx.xml
+++ b/gr-analog/grc/analog_agc2_xx.xml
@@ -8,7 +8,8 @@
 	<name>AGC2</name>
 	<key>analog_agc2_xx</key>
 	<import>from gnuradio import analog</import>
-	<make>analog.agc2_$(type.fcn)($attack_rate, $decay_rate, $reference, $gain, $max_gain)</make>
+	<make>analog.agc2_$(type.fcn)($attack_rate, $decay_rate, $reference, $gain)
+self.$(id).set_max_gain($max_gain)</make>
 	<callback>set_attack_rate($attack_rate)</callback>
 	<callback>set_decay_rate($decay_rate)</callback>
 	<callback>set_reference($reference)</callback>
@@ -56,7 +57,7 @@
 	<param>
 		<name>Max Gain</name>
 		<key>max_gain</key>
-		<value>0.0</value>
+		<value>2e16</value>
 		<type>real</type>
 	</param>
 	<sink>
diff --git a/gr-analog/grc/analog_agc3_xx.xml b/gr-analog/grc/analog_agc3_xx.xml
index d39e81e660..9a3ad7930d 100644
--- a/gr-analog/grc/analog_agc3_xx.xml
+++ b/gr-analog/grc/analog_agc3_xx.xml
@@ -8,10 +8,13 @@
 	<name>AGC3</name>
 	<key>analog_agc3_xx</key>
 	<import>from gnuradio import analog</import>
-	<make>analog.agc3_$(type.fcn)($attack_rate, $decay_rate, $reference)</make>
+	<make>analog.agc3_$(type.fcn)($attack_rate, $decay_rate, $reference, $gain)
+self.$(id).set_max_gain($max_gain)</make>
 	<callback>set_attack_rate($attack_rate)</callback>
 	<callback>set_decay_rate($decay_rate)</callback>
 	<callback>set_reference($reference)</callback>
+	<callback>set_gain($gain)</callback>
+	<callback>set_max_gain($max_gain)</callback>
 	<param>
 		<name>Type</name>
 		<key>type</key>
@@ -45,6 +48,18 @@
 		<value>1.0</value>
 		<type>real</type>
 	</param>
+	<param>
+		<name>Gain</name>
+		<key>gain</key>
+		<value>1.0</value>
+		<type>real</type>
+	</param>
+	<param>
+		<name>Max Gain</name>
+		<key>max_gain</key>
+		<value>2e16</value>
+		<type>real</type>
+	</param>
 	<sink>
 		<name>in</name>
 		<type>$type</type>
diff --git a/gr-analog/grc/analog_agc_xx.xml b/gr-analog/grc/analog_agc_xx.xml
index 46797bff9a..452cdc38f9 100644
--- a/gr-analog/grc/analog_agc_xx.xml
+++ b/gr-analog/grc/analog_agc_xx.xml
@@ -8,7 +8,8 @@
 	<name>AGC</name>
 	<key>analog_agc_xx</key>
 	<import>from gnuradio import analog</import>
-	<make>analog.agc_$(type.fcn)($rate, $reference, $gain, $max_gain)</make>
+	<make>analog.agc_$(type.fcn)($rate, $reference, $gain)
+self.$(id).set_max_gain($max_gain)</make>
 	<callback>set_rate($rate)</callback>
 	<callback>set_reference($reference)</callback>
 	<callback>set_gain($gain)</callback>
@@ -49,7 +50,7 @@
 	<param>
 		<name>Max Gain</name>
 		<key>max_gain</key>
-		<value>0.0</value>
+		<value>2e16</value>
 		<type>real</type>
 	</param>
 	<sink>
diff --git a/gr-analog/include/gnuradio/analog/agc2_cc.h b/gr-analog/include/gnuradio/analog/agc2_cc.h
index 76a5263183..782224abca 100644
--- a/gr-analog/include/gnuradio/analog/agc2_cc.h
+++ b/gr-analog/include/gnuradio/analog/agc2_cc.h
@@ -54,8 +54,7 @@ namespace gr {
        * \param max_gain maximum gain value (0 for unlimited).
        */
       static sptr make(float attack_rate = 1e-1, float decay_rate = 1e-2,
-		       float reference = 1.0,
-		       float gain = 1.0, float max_gain = 0.0);
+		       float reference = 1.0, float gain = 1.0);
 
       virtual float attack_rate() const = 0;
       virtual float decay_rate() const = 0;
diff --git a/gr-analog/include/gnuradio/analog/agc2_ff.h b/gr-analog/include/gnuradio/analog/agc2_ff.h
index 740d795e1d..8dff26c9d2 100644
--- a/gr-analog/include/gnuradio/analog/agc2_ff.h
+++ b/gr-analog/include/gnuradio/analog/agc2_ff.h
@@ -54,8 +54,7 @@ namespace gr {
        * \param max_gain maximum gain value (0 for unlimited).
        */
       static sptr make(float attack_rate = 1e-1, float decay_rate = 1e-2,
-		       float reference = 1.0,
-		       float gain = 1.0, float max_gain = 0.0);
+		       float reference = 1.0, float gain = 1.0);
 
       virtual float attack_rate() const = 0;
       virtual float decay_rate() const = 0;
diff --git a/gr-analog/include/gnuradio/analog/agc3_cc.h b/gr-analog/include/gnuradio/analog/agc3_cc.h
index 2bbe275055..7e97562a28 100644
--- a/gr-analog/include/gnuradio/analog/agc3_cc.h
+++ b/gr-analog/include/gnuradio/analog/agc3_cc.h
@@ -35,6 +35,10 @@ namespace gr {
      * \ingroup level_controllers_blk
      *
      * \details
+     * Unlike the AGC2 loop, this uses an initial linear calculation
+     * at the beginning for very fast initial acquisition. Moves to
+     * IIR model for tracking purposes.
+     * 
      * For Power the absolute value of the complex number is used.
      */
     class ANALOG_API agc3_cc : virtual public sync_block
@@ -51,17 +55,19 @@ namespace gr {
        * \param reference reference value to adjust signal power to.
        */
       static sptr make(float attack_rate = 1e-1, float decay_rate = 1e-2,
-                       float reference = 1.0);
+                       float reference = 1.0, float gain = 1.0);
 
       virtual float attack_rate() const = 0;
       virtual float decay_rate() const = 0;
       virtual float reference() const = 0;
       virtual float gain() const = 0;
+      virtual float max_gain() const = 0;
       
       virtual void set_attack_rate(float rate) = 0;
       virtual void set_decay_rate(float rate) = 0;
       virtual void set_reference(float reference) = 0;
       virtual void set_gain(float gain) = 0;
+      virtual void set_max_gain(float max_gain) = 0;
     };
 
   } /* namespace analog */
diff --git a/gr-analog/include/gnuradio/analog/agc_cc.h b/gr-analog/include/gnuradio/analog/agc_cc.h
index 8319995960..2c7e91b9d6 100644
--- a/gr-analog/include/gnuradio/analog/agc_cc.h
+++ b/gr-analog/include/gnuradio/analog/agc_cc.h
@@ -52,7 +52,7 @@ namespace gr {
        * \param max_gain maximum gain value (0 for unlimited).
        */
       static sptr make(float rate = 1e-4, float reference = 1.0,
-		       float gain = 1.0, float max_gain = 0.0);
+		       float gain = 1.0);
 
       virtual float rate() const = 0;
       virtual float reference() const = 0;
diff --git a/gr-analog/include/gnuradio/analog/agc_ff.h b/gr-analog/include/gnuradio/analog/agc_ff.h
index d55072889b..4e920861f7 100644
--- a/gr-analog/include/gnuradio/analog/agc_ff.h
+++ b/gr-analog/include/gnuradio/analog/agc_ff.h
@@ -52,7 +52,7 @@ namespace gr {
        * \param max_gain maximum gain value (0 for unlimited).
        */
       static sptr make(float rate = 1e-4, float reference = 1.0,
-		       float gain = 1.0, float max_gain = 0.0);
+		       float gain = 1.0);
       
       virtual float rate() const = 0;
       virtual float reference() const = 0;
diff --git a/gr-analog/lib/agc2_cc_impl.cc b/gr-analog/lib/agc2_cc_impl.cc
index fbca18777b..4897559560 100644
--- a/gr-analog/lib/agc2_cc_impl.cc
+++ b/gr-analog/lib/agc2_cc_impl.cc
@@ -26,29 +26,31 @@
 
 #include "agc2_cc_impl.h"
 #include <gnuradio/io_signature.h>
+#include <volk/volk.h>
 
 namespace gr {
   namespace analog {
 
     agc2_cc::sptr
     agc2_cc::make(float attack_rate, float decay_rate,
-		  float reference,
-		  float gain, float max_gain)
+		  float reference, float gain)
     {
       return gnuradio::get_initial_sptr
 	(new agc2_cc_impl(attack_rate, decay_rate,
-			  reference, gain, max_gain));
+			  reference, gain));
     }
 
     agc2_cc_impl::agc2_cc_impl(float attack_rate, float decay_rate,
-			       float reference,
-			       float gain, float max_gain)
+			       float reference, float gain)
       : sync_block("agc2_cc",
-		      io_signature::make(1, 1, sizeof(gr_complex)),
-		      io_signature::make(1, 1, sizeof(gr_complex))),
+                   io_signature::make(1, 1, sizeof(gr_complex)),
+                   io_signature::make(1, 1, sizeof(gr_complex))),
 	kernel::agc2_cc(attack_rate, decay_rate,
-			reference, gain, max_gain)
+			reference, gain, 2e16)
     {
+      const int alignment_multiple =
+	volk_get_alignment() / sizeof(gr_complex);
+      set_alignment(std::max(1, alignment_multiple));
     }
 
     agc2_cc_impl::~agc2_cc_impl()
diff --git a/gr-analog/lib/agc2_cc_impl.h b/gr-analog/lib/agc2_cc_impl.h
index 9220501323..bfb420789f 100644
--- a/gr-analog/lib/agc2_cc_impl.h
+++ b/gr-analog/lib/agc2_cc_impl.h
@@ -32,8 +32,7 @@ namespace gr {
     {
     public:
       agc2_cc_impl(float attack_rate = 1e-1, float decay_rate = 1e-2,
-		       float reference = 1.0,
-		       float gain = 1.0, float max_gain = 0.0);
+                   float reference = 1.0, float gain = 1.0);
       ~agc2_cc_impl();
 
       float attack_rate() const { return kernel::agc2_cc::attack_rate(); }
diff --git a/gr-analog/lib/agc2_ff_impl.cc b/gr-analog/lib/agc2_ff_impl.cc
index 93a404c6df..02e27ea139 100644
--- a/gr-analog/lib/agc2_ff_impl.cc
+++ b/gr-analog/lib/agc2_ff_impl.cc
@@ -32,13 +32,11 @@ namespace gr {
 
     agc2_ff::sptr
     agc2_ff::make(float attack_rate, float decay_rate,
-		  float reference,
-		  float gain, float max_gain)
+		  float reference, float gain)
     {
       return gnuradio::get_initial_sptr
 	(new agc2_ff_impl(attack_rate, decay_rate,
-			  reference,
-			  gain, max_gain));
+			  reference, gain));
     }
 
     agc2_ff_impl::~agc2_ff_impl()
@@ -46,13 +44,12 @@ namespace gr {
     }
 
     agc2_ff_impl::agc2_ff_impl(float attack_rate, float decay_rate,
-			       float reference,
-			       float gain, float max_gain)
-      : sync_block("agc2_ff",
-		      io_signature::make(1, 1, sizeof(float)),
-		      io_signature::make(1, 1, sizeof(float)))
-      , kernel::agc2_ff(attack_rate, decay_rate,
-			reference, gain, max_gain)
+			       float reference, float gain)
+    : sync_block("agc2_ff",
+                 io_signature::make(1, 1, sizeof(float)),
+                 io_signature::make(1, 1, sizeof(float))),
+      kernel::agc2_ff(attack_rate, decay_rate,
+                      reference, gain, 2e16)
     {
     }
 
diff --git a/gr-analog/lib/agc2_ff_impl.h b/gr-analog/lib/agc2_ff_impl.h
index 8c068c4e34..5c7a7b486a 100644
--- a/gr-analog/lib/agc2_ff_impl.h
+++ b/gr-analog/lib/agc2_ff_impl.h
@@ -32,8 +32,7 @@ namespace gr {
     {
     public:
       agc2_ff_impl(float attack_rate = 1e-1, float decay_rate = 1e-2,
-		   float reference = 1.0,
-		   float gain = 1.0, float max_gain = 0.0);
+		   float reference = 1.0,  float gain = 1.0);
       ~agc2_ff_impl();
 
       float attack_rate() const { return kernel::agc2_ff::attack_rate(); }
diff --git a/gr-analog/lib/agc3_cc_impl.cc b/gr-analog/lib/agc3_cc_impl.cc
index 286c6be2a2..21c9f471ea 100644
--- a/gr-analog/lib/agc3_cc_impl.cc
+++ b/gr-analog/lib/agc3_cc_impl.cc
@@ -32,19 +32,22 @@ namespace gr {
   namespace analog {
 
     agc3_cc::sptr
-    agc3_cc::make(float attack_rate, float decay_rate, float reference)
+    agc3_cc::make(float attack_rate, float decay_rate,
+                  float reference, float gain)
     {
       return gnuradio::get_initial_sptr
-        (new agc3_cc_impl(attack_rate, decay_rate, reference));
+        (new agc3_cc_impl(attack_rate, decay_rate,
+                          reference, gain));
     }
 
-    agc3_cc_impl::agc3_cc_impl(float attack_rate, float decay_rate, float reference)
-      : sync_block("agc3_cc",
-                   io_signature::make(1, 1, sizeof(gr_complex)),
-                   io_signature::make(1, 1, sizeof(gr_complex))),
-        d_attack(attack_rate), d_decay(decay_rate),
-        d_reference(reference), d_gain(1.0),
-        d_reset(true)
+    agc3_cc_impl::agc3_cc_impl(float attack_rate, float decay_rate,
+                               float reference, float gain)
+    : sync_block("agc3_cc",
+                 io_signature::make(1, 1, sizeof(gr_complex)),
+                 io_signature::make(1, 1, sizeof(gr_complex))),
+      d_attack(attack_rate), d_decay(decay_rate),
+      d_reference(reference), d_gain(gain), d_max_gain(2e16),
+      d_reset(true)
     {
       const int alignment_multiple =
 	volk_get_alignment() / sizeof(gr_complex);
@@ -70,20 +73,29 @@ namespace gr {
 #endif
       volk_32fc_magnitude_32f(mags, &in[0], noutput_items);
       // Compute a linear average on reset (no expected)  
-      if(__builtin_expect (d_reset, false)){
+      if(__builtin_expect(d_reset, false)) {
         float mag;
-        for(int i=0; i<noutput_items; i++){
+        for(int i=0; i<noutput_items; i++) {
             mag += mags[i];
         }
         d_gain = d_reference * (noutput_items/mag);
+
+        if(d_gain < 0.0)
+          d_gain = 10e-5;
+
+        if(d_max_gain > 0.0 && d_gain > d_max_gain) {
+          d_gain = d_max_gain;
+        }
+
         // scale output values
         for(int i=0; i<noutput_items; i++){
             out[i] = in[i] * d_gain;
         }
         d_reset = false;
-      } else {
+      }
+      else {
         // Otherwise perform a normal iir update
-        for(int i=0; i<noutput_items; i++){
+        for(int i=0; i<noutput_items; i++) {
           float newlevel = mags[i]; // abs(in[i]);
           float rate = (newlevel > d_reference/d_gain)?d_attack:d_decay;
           d_gain = (d_gain*(1-rate)) + (d_reference/newlevel)*rate;
diff --git a/gr-analog/lib/agc3_cc_impl.h b/gr-analog/lib/agc3_cc_impl.h
index 28136ac6a2..77cc1978c5 100644
--- a/gr-analog/lib/agc3_cc_impl.h
+++ b/gr-analog/lib/agc3_cc_impl.h
@@ -32,18 +32,20 @@ namespace gr {
     {
     public:
       agc3_cc_impl(float attack_rate = 1e-1, float decay_rate = 1e-2,
-		       float reference = 1.0);
+                   float reference = 1.0, float gain = 1.0);
       ~agc3_cc_impl();
 
       float attack_rate() const { return d_attack; }
       float decay_rate() const  { return d_decay; }
       float reference() const { return d_reference; }
       float gain() const { return d_gain; }
+      float max_gain() const { return d_max_gain; }
 
       void set_attack_rate(float rate) { d_attack = rate; }
       void set_decay_rate(float rate) { d_decay = rate; }
       void set_reference(float reference) { d_reference = reference; }
       void set_gain(float gain) { d_gain = gain; }
+      void set_max_gain(float max_gain) { d_max_gain = max_gain; }
 
       int work(int noutput_items,
 	       gr_vector_const_void_star &input_items,
@@ -54,6 +56,7 @@ namespace gr {
       float d_decay;
       float d_reference;
       float d_gain;
+      float d_max_gain;
       bool d_reset;
     };
 
diff --git a/gr-analog/lib/agc_cc_impl.cc b/gr-analog/lib/agc_cc_impl.cc
index 04d70d5421..4ce9b415ee 100644
--- a/gr-analog/lib/agc_cc_impl.cc
+++ b/gr-analog/lib/agc_cc_impl.cc
@@ -26,25 +26,27 @@
 
 #include "agc_cc_impl.h"
 #include <gnuradio/io_signature.h>
+#include <volk/volk.h>
 
 namespace gr {
   namespace analog {
 
     agc_cc::sptr
-    agc_cc::make(float rate, float reference,
-		 float gain, float max_gain)
+    agc_cc::make(float rate, float reference, float gain)
     {
       return gnuradio::get_initial_sptr
-	(new agc_cc_impl(rate, reference, gain, max_gain));
+	(new agc_cc_impl(rate, reference, gain));
     }
 
-    agc_cc_impl::agc_cc_impl(float rate, float reference,
-			     float gain, float max_gain)
+    agc_cc_impl::agc_cc_impl(float rate, float reference, float gain)
       : sync_block("agc_cc",
-		      io_signature::make(1, 1, sizeof(gr_complex)),
-		      io_signature::make(1, 1, sizeof(gr_complex))),
-	kernel::agc_cc(rate, reference, gain, max_gain)
+                   io_signature::make(1, 1, sizeof(gr_complex)),
+                   io_signature::make(1, 1, sizeof(gr_complex))),
+	kernel::agc_cc(rate, reference, gain, 2e16)
     {
+      const int alignment_multiple =
+	volk_get_alignment() / sizeof(gr_complex);
+      set_alignment(std::max(1, alignment_multiple));
     }
 
     agc_cc_impl::~agc_cc_impl()
diff --git a/gr-analog/lib/agc_cc_impl.h b/gr-analog/lib/agc_cc_impl.h
index fda154d021..7772cb4092 100644
--- a/gr-analog/lib/agc_cc_impl.h
+++ b/gr-analog/lib/agc_cc_impl.h
@@ -32,7 +32,7 @@ namespace gr {
     {
     public:
       agc_cc_impl(float rate = 1e-4, float reference = 1.0,
-		  float gain = 1.0, float max_gain = 0.0);
+		  float gain = 1.0);
       ~agc_cc_impl();
 
       float rate() const { return kernel::agc_cc::rate(); }
diff --git a/gr-analog/lib/agc_ff_impl.cc b/gr-analog/lib/agc_ff_impl.cc
index 1c29934361..afde83c5d2 100644
--- a/gr-analog/lib/agc_ff_impl.cc
+++ b/gr-analog/lib/agc_ff_impl.cc
@@ -31,17 +31,17 @@ namespace gr {
   namespace analog {
 
     agc_ff::sptr
-    agc_ff::make(float rate, float reference, float gain, float max_gain)
+    agc_ff::make(float rate, float reference, float gain)
     {
       return gnuradio::get_initial_sptr
-	(new agc_ff_impl(rate, reference, gain, max_gain));
+	(new agc_ff_impl(rate, reference, gain));
     }
 
-    agc_ff_impl::agc_ff_impl(float rate, float reference, float gain, float max_gain)
+    agc_ff_impl::agc_ff_impl(float rate, float reference, float gain)
       : sync_block("agc_ff",
 		      io_signature::make(1, 1, sizeof(float)),
 		      io_signature::make(1, 1, sizeof(float))),
-	kernel::agc_ff(rate, reference, gain, max_gain)
+	kernel::agc_ff(rate, reference, gain, 2e16)
     {
     }
 
diff --git a/gr-analog/lib/agc_ff_impl.h b/gr-analog/lib/agc_ff_impl.h
index c67739b73e..319823c6aa 100644
--- a/gr-analog/lib/agc_ff_impl.h
+++ b/gr-analog/lib/agc_ff_impl.h
@@ -32,7 +32,7 @@ namespace gr {
     {
     public:
       agc_ff_impl(float rate = 1e-4, float reference = 1.0,
-		  float gain = 1.0, float max_gain = 0.0);
+		  float gain = 1.0);
       ~agc_ff_impl();
 
       float rate() const { return kernel::agc_ff::rate(); }
diff --git a/gr-analog/python/qa_agc.py b/gr-analog/python/qa_agc.py
index fc88b6acb0..96a614ecb7 100755
--- a/gr-analog/python/qa_agc.py
+++ b/gr-analog/python/qa_agc.py
@@ -35,7 +35,7 @@ class test_agc(gr_unittest.TestCase):
 
 
     def test_001_sets(self):
-        agc = analog.agc_cc(1e-3, 1, 1, 1000)
+        agc = analog.agc_cc(1e-3, 1, 1)
 
 	agc.set_rate(1)
 	agc.set_reference(1.1)
@@ -109,7 +109,7 @@ class test_agc(gr_unittest.TestCase):
         dst1 = blocks.vector_sink_c()
         head = blocks.head(gr.sizeof_gr_complex, int (5*sampling_freq * 0.10))
 
-        agc = analog.agc_cc(1e-3, 1, 1, 1000)
+        agc = analog.agc_cc(1e-3, 1, 1)
 
         tb.connect(src1, head)
         tb.connect(head, agc)
@@ -120,7 +120,7 @@ class test_agc(gr_unittest.TestCase):
         self.assertComplexTuplesAlmostEqual(expected_result, dst_data, 4)
 
     def test_002_sets(self):
-        agc = analog.agc_ff(1e-3, 1, 1, 1000)
+        agc = analog.agc_ff(1e-3, 1, 1)
 
 	agc.set_rate(1)
 	agc.set_reference(1.1)
@@ -194,7 +194,7 @@ class test_agc(gr_unittest.TestCase):
         dst1 = blocks.vector_sink_f ()
         head = blocks.head (gr.sizeof_float, int (5*sampling_freq * 0.10))
 
-        agc = analog.agc_ff(1e-3, 1, 1, 1000)
+        agc = analog.agc_ff(1e-3, 1, 1)
 
         tb.connect (src1, head)
         tb.connect (head, agc)
@@ -205,7 +205,7 @@ class test_agc(gr_unittest.TestCase):
         self.assertFloatTuplesAlmostEqual (expected_result, dst_data, 4)
 
     def test_003_sets(self):
-        agc = analog.agc2_cc(1e-3, 1e-1, 1, 1, 1000)
+        agc = analog.agc2_cc(1e-3, 1e-1, 1, 1)
 
 	agc.set_attack_rate(1)
 	agc.set_decay_rate(2)
@@ -281,7 +281,7 @@ class test_agc(gr_unittest.TestCase):
         dst1 = blocks.vector_sink_c()
         head = blocks.head(gr.sizeof_gr_complex, int(5*sampling_freq * 0.10))
 
-        agc = analog.agc2_cc(1e-2, 1e-3, 1, 1, 1000)
+        agc = analog.agc2_cc(1e-2, 1e-3, 1, 1)
 
         tb.connect(src1, head)
         tb.connect(head, agc)
@@ -292,7 +292,7 @@ class test_agc(gr_unittest.TestCase):
         self.assertComplexTuplesAlmostEqual(expected_result, dst_data, 4)
 
     def test_004_sets(self):
-        agc = analog.agc2_ff(1e-3, 1e-1, 1, 1, 1000)
+        agc = analog.agc2_ff(1e-3, 1e-1, 1, 1)
 
 	agc.set_attack_rate(1)
 	agc.set_decay_rate(2)
@@ -368,7 +368,7 @@ class test_agc(gr_unittest.TestCase):
         dst1 = blocks.vector_sink_f()
         head = blocks.head(gr.sizeof_float, int(5*sampling_freq * 0.10))
 
-        agc = analog.agc2_ff(1e-2, 1e-3, 1, 1, 1000)
+        agc = analog.agc2_ff(1e-2, 1e-3, 1, 1)
 
         tb.connect(src1, head)
         tb.connect(head, agc)
@@ -441,7 +441,7 @@ class test_agc(gr_unittest.TestCase):
         dst1 = blocks.vector_sink_c()
         head = blocks.head(gr.sizeof_gr_complex, int(5*sampling_freq * 0.10))
 
-        agc = analog.agc2_cc(1e-2, 1e-3, 1, 1, 1000)
+        agc = analog.agc2_cc(1e-2, 1e-3, 1, 1)
 
         tb.connect(src1, head)
         tb.connect(head, agc)
diff --git a/gr-analog/swig/CMakeLists.txt b/gr-analog/swig/CMakeLists.txt
index 68b2c4a662..06f1cdf985 100644
--- a/gr-analog/swig/CMakeLists.txt
+++ b/gr-analog/swig/CMakeLists.txt
@@ -28,6 +28,7 @@ set(GR_SWIG_INCLUDE_DIRS
     ${GR_ANALOG_INCLUDE_DIRS}
     ${GR_FILTER_INCLUDE_DIRS}
     ${GNURADIO_RUNTIME_SWIG_INCLUDE_DIRS}
+    ${VOLK_INCLUDE_DIRS}
     ${Boost_INCLUDE_DIRS}
 )