1 files changed, 60 insertions, 0 deletions
diff --git a/gr-fft/lib/goertzel_fc_impl.h b/gr-fft/lib/goertzel_fc_impl.h
new file mode 100644
index 000000000..426bc71f6
--- /dev/null
+++ b/gr-fft/lib/goertzel_fc_impl.h
@@ -0,0 +1,60 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2006,2011,2012 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_FFT_GOERTZEL_FC_IMPL_H
+#define INCLUDED_FFT_GOERTZEL_FC_IMPL_H
+
+#include <fft/goertzel_fc.h>
+#include <fft/goertzel.h>
+
+namespace gr {
+  namespace fft {
+    
+    class FFT_API goertzel_fc_impl : public goertzel_fc
+    {
+    private:
+      goertzel d_goertzel;
+      int      d_len;
+      float    d_freq;
+      int      d_rate;
+
+    public:
+      goertzel_fc_impl(int rate, int len, float freq);
+      
+      ~goertzel_fc_impl();
+      
+      void  set_freq(float freq);
+      void  set_rate(int rate);
+
+      float freq() { return d_freq; }
+      int   rate() { return d_rate; }
+
+      int work(int noutput_items,
+	       gr_vector_const_void_star &input_items,
+	       gr_vector_void_star &output_items);
+    };
+
+  } /* namespace fft */
+} /* namespace gr */
+
+#endif /* INCLUDED_FFT_GOERTZEL_FC_IMPL_H */
+