Imported Upstream version 3.2.2

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

diff --git a/gnuradio-core/src/lib/general/gr_ofdm_mapper_bcv.h b/gnuradio-core/src/lib/general/gr_ofdm_mapper_bcv.h
new file mode 100644 (file)
index 0000000..5a21b90
--- /dev/null
+++ b/gnuradio-core/src/lib/general/gr_ofdm_mapper_bcv.h
@@ -0,0 +1,87 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2006,2007 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_OFDM_MAPPER_BCV_H
+#define INCLUDED_GR_OFDM_MAPPER_BCV_H
+
+#include <gr_sync_block.h>
+#include <gr_message.h>
+#include <gr_msg_queue.h>
+
+class gr_ofdm_mapper_bcv;
+typedef boost::shared_ptr<gr_ofdm_mapper_bcv> gr_ofdm_mapper_bcv_sptr;
+
+gr_ofdm_mapper_bcv_sptr 
+gr_make_ofdm_mapper_bcv (const std::vector<gr_complex> &constellation, unsigned msgq_limit, 
+                        unsigned occupied_carriers, unsigned int fft_length);
+
+/*!
+ * \brief take a stream of bytes in and map to a vector of complex
+ * constellation points suitable for IFFT input to be used in an ofdm
+ * modulator.  Abstract class must be subclassed with specific mapping.
+ * \ingroup modulation_blk
+ * \ingroup ofdm_blk
+ */
+
+class gr_ofdm_mapper_bcv : public gr_sync_block
+{
+  friend gr_ofdm_mapper_bcv_sptr
+  gr_make_ofdm_mapper_bcv (const std::vector<gr_complex> &constellation, unsigned msgq_limit, 
+                          unsigned occupied_carriers, unsigned int fft_length);
+ protected:
+  gr_ofdm_mapper_bcv (const std::vector<gr_complex> &constellation, unsigned msgq_limit, 
+                     unsigned occupied_carriers, unsigned int fft_length);
+
+ private:
+  std::vector<gr_complex> d_constellation;
+  gr_msg_queue_sptr    d_msgq;
+  gr_message_sptr      d_msg;
+  unsigned             d_msg_offset;
+  bool                 d_eof;
+  
+  unsigned int                 d_occupied_carriers;
+  unsigned int                 d_fft_length;
+  unsigned int                 d_bit_offset;
+  int                  d_pending_flag;
+
+  unsigned long  d_nbits;
+  unsigned char  d_msgbytes;
+  
+  unsigned char d_resid;
+  unsigned int d_nresid;
+
+  std::vector<int> d_subcarrier_map;
+
+  int randsym();
+
+ public:
+  ~gr_ofdm_mapper_bcv(void);
+
+  gr_msg_queue_sptr    msgq() const { return d_msgq; }
+
+  int work(int noutput_items,
+          gr_vector_const_void_star &input_items,
+          gr_vector_void_star &output_items);
+
+};
+
+#endif