1 files changed, 60 insertions, 0 deletions
diff --git a/gr-analog/lib/probe_avg_mag_sqrd_c_impl.h b/gr-analog/lib/probe_avg_mag_sqrd_c_impl.h
new file mode 100644
index 000000000..0a2685357
--- /dev/null
+++ b/gr-analog/lib/probe_avg_mag_sqrd_c_impl.h
@@ -0,0 +1,60 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2005,2006,2012 Free Software Foundation, Inc.
+ *
+ * This file is part of GNU Radio
+ *
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * 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.
+ */
+
+#ifndef INCLUDED_ANALOG_PROBE_AVG_MAG_SQRD_C_IMPL_H
+#define INCLUDED_ANALOG_PROBE_AVG_MAG_SQRD_C_IMPL_H
+
+#include <analog/probe_avg_mag_sqrd_c.h>
+#include <filter/single_pole_iir.h>
+
+namespace gr {
+  namespace analog {
+
+    class probe_avg_mag_sqrd_c_impl : public probe_avg_mag_sqrd_c
+    {
+    private:
+      double d_threshold;
+      bool d_unmuted;
+      double d_level;
+      filter::single_pole_iir<double,double,double> d_iir;
+
+    public:
+      probe_avg_mag_sqrd_c_impl(double threshold_db, double alpha = 0.0001);
+      ~probe_avg_mag_sqrd_c_impl();
+
+      bool unmuted() const { return d_unmuted; }
+      double level() const { return d_level; }
+
+      double threshold() const;
+
+      void set_alpha(double alpha);
+      void set_threshold(double decibels);
+
+      int work(int noutput_items,
+	       gr_vector_const_void_star &input_items,
+	       gr_vector_void_star &output_items);
+    };
+
+  } /* namespace analog */
+} /* namespace gr */
+
+#endif /* INCLUDED_ANALOG_PROBE_AVG_MAG_SQRD_C_IMPL_H */