1 files changed, 62 insertions, 0 deletions
diff --git a/gr-analog/lib/fmdet_cf_impl.h b/gr-analog/lib/fmdet_cf_impl.h
new file mode 100644
index 000000000..01fce09dd
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+++ b/gr-analog/lib/fmdet_cf_impl.h
@@ -0,0 +1,62 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2008, 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_FMDET_CF_IMPL_H
+#define INCLUDED_ANALOG_FMDET_CF_IMPL_H
+
+#include <analog/fmdet_cf.h>
+//#include <filter/fir_filter.h>
+#include <gr_sync_block.h>
+
+namespace gr {
+  namespace analog {
+
+    class fmdet_cf_impl : public fmdet_cf
+    {
+    private:
+      gr_complex d_S1, d_S2, d_S3, d_S4;
+      float d_freq, d_freqlo, d_freqhi, d_scl, d_bias;
+      //kernel::fir_filter_ccf* d_filter;
+
+    public:
+      fmdet_cf_impl(float samplerate, float freq_low,
+		    float freq_high, float scl);
+      ~fmdet_cf_impl();
+
+      void set_scale(float scl);
+      void set_freq_range(float freq_low, float freq_high);
+
+      float freq() const { return d_freq; }
+      float freq_high() const { return d_freqhi; }
+      float freq_low() const { return d_freqlo; }
+      float scale() const { return d_scl; }
+      float bias() const { return d_bias; }
+
+      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_FMDET_CF_IMPL_H */