Merge branch 'upstream' into dfsg-orig

[debian/gnuradio] / gr-noaa / lib / noaa_hrpt_decoder.h

diff --git a/gr-noaa/lib/noaa_hrpt_decoder.h b/gr-noaa/lib/noaa_hrpt_decoder.h
new file mode 100644 (file)
index 0000000..9d67d71
--- /dev/null
+++ b/gr-noaa/lib/noaa_hrpt_decoder.h
@@ -0,0 +1,76 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2009 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_NOAA_HRPT_DECODER_H
+#define INCLUDED_NOAA_HRPT_DECODER_H
+
+#include <gr_sync_block.h>
+
+class noaa_hrpt_decoder;
+typedef boost::shared_ptr<noaa_hrpt_decoder> noaa_hrpt_decoder_sptr;
+
+noaa_hrpt_decoder_sptr
+noaa_make_hrpt_decoder(bool verbose, bool output_files);
+
+class noaa_hrpt_decoder : public gr_sync_block
+{
+  friend noaa_hrpt_decoder_sptr noaa_make_hrpt_decoder(bool verbose, bool output_files);
+  noaa_hrpt_decoder(bool verbose, bool output_files);
+
+  // Configuration
+  bool d_verbose;
+  bool d_output_files;
+
+  // Frame-level state
+  unsigned short d_current_word;
+  unsigned int   d_word_num;
+  int            d_frames_seen;
+
+  // Minor frame number
+  int d_current_mfnum;
+  int d_expected_mfnum;
+  int d_seq_errs;
+
+  // Spacecraft address
+  int d_address;
+
+  // Minor frame timestamp
+  int d_day_of_year;
+  int d_milliseconds;
+  int d_last_time;
+
+  void process_mfnum();
+  void process_address();
+  void process_day_of_year();
+  void process_milli1();
+  void process_milli2();
+  void process_milli3();
+
+public:
+  ~noaa_hrpt_decoder();
+
+  int work(int noutput_items,
+          gr_vector_const_void_star &input_items,
+          gr_vector_void_star &output_items);
+};
+
+#endif /* INCLUDED_NOAA_HRPT_DECODER_H */