Imported Upstream version 3.2.2

[debian/gnuradio] / gnuradio-core / src / lib / general / gr_bin_statistics_f.h

diff --git a/gnuradio-core/src/lib/general/gr_bin_statistics_f.h b/gnuradio-core/src/lib/general/gr_bin_statistics_f.h
new file mode 100644 (file)
index 0000000..d8c4c2f
--- /dev/null
+++ b/gnuradio-core/src/lib/general/gr_bin_statistics_f.h
@@ -0,0 +1,99 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2006 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_GR_BIN_STATISTICS_F_H
+#define INCLUDED_GR_BIN_STATISTICS_F_H
+
+
+#include <gr_sync_block.h>
+#include <gr_feval.h>
+#include <gr_message.h>
+#include <gr_msg_queue.h>
+
+class gr_bin_statistics_f;
+typedef boost::shared_ptr<gr_bin_statistics_f> gr_bin_statistics_f_sptr;
+
+
+gr_bin_statistics_f_sptr
+gr_make_bin_statistics_f(unsigned int vlen,    // vector length
+                        gr_msg_queue_sptr msgq,
+                        gr_feval_dd *tune,     // callback
+                        size_t tune_delay,     // samples
+                        size_t dwell_delay);   // samples
+                       
+/*!
+ * \brief control scanning and record frequency domain statistics
+ * \ingroup sink_blk
+ */
+class gr_bin_statistics_f : public gr_sync_block
+{
+  friend gr_bin_statistics_f_sptr
+  gr_make_bin_statistics_f(unsigned int vlen,     // vector length
+                          gr_msg_queue_sptr msgq,
+                          gr_feval_dd *tune,      // callback
+                          size_t tune_delay,      // samples
+                          size_t dwell_delay);    // samples
+
+  enum state_t { ST_INIT, ST_TUNE_DELAY, ST_DWELL_DELAY };
+
+  size_t            d_vlen;
+  gr_msg_queue_sptr  d_msgq;
+  gr_feval_dd       *d_tune;
+  size_t            d_tune_delay;
+  size_t            d_dwell_delay;
+  double            d_center_freq;
+
+  state_t           d_state;
+  size_t            d_delay;   // nsamples remaining to state transition
+
+  gr_bin_statistics_f(unsigned int vlen,
+                     gr_msg_queue_sptr msgq,
+                     gr_feval_dd *tune,
+                     size_t tune_delay,
+                     size_t dwell_delay);
+
+  void enter_init();
+  void enter_tune_delay();
+  void enter_dwell_delay();
+  void leave_dwell_delay();
+
+protected:
+  std::vector<float> d_max;    // per bin maxima
+
+  size_t vlen() const { return d_vlen; }
+  double center_freq() const { return d_center_freq; }
+  gr_msg_queue_sptr msgq() const { return d_msgq; }
+
+  virtual void reset_stats();
+  virtual void accrue_stats(const float *input);
+  virtual void send_stats();
+
+public:
+  ~gr_bin_statistics_f();
+
+  int work(int noutput_items,
+          gr_vector_const_void_star &input_items,
+          gr_vector_void_star &output_items);
+  
+};
+
+#endif