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/* -*- c++ -*- */
/*
* Copyright 2004,2012 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_GR_SIMPLE_FRAMER_H
#define INCLUDED_GR_SIMPLE_FRAMER_H
#include <digital_api.h>
#include <gr_block.h>
class digital_simple_framer;
typedef boost::shared_ptr<digital_simple_framer> digital_simple_framer_sptr;
DIGITAL_API digital_simple_framer_sptr digital_make_simple_framer(int payload_bytesize);
/*!
* \brief add sync field, seq number and command field to payload
* \ingroup sync_blk
*
* Takes in enough samples to create a full output frame. The frame is
* prepended with the GRSF_SYNC (defind in
* digital_simple_framer_sync.h) and an 8-bit sequence number.
*
* \param payload_bytesize The size of the payload in bytes.
*/
class DIGITAL_API digital_simple_framer : public gr_block
{
int d_seqno;
int d_payload_bytesize;
int d_input_block_size; // bytes
int d_output_block_size; // bytes
friend DIGITAL_API digital_simple_framer_sptr
digital_make_simple_framer(int payload_bytesize);
digital_simple_framer(int payload_bytesize);
public:
void forecast(int noutput_items,
gr_vector_int &ninput_items_required);
int general_work(int noutput_items,
gr_vector_int &ninput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
};
#endif /* INCLUDED_GR_SIMPLE_FRAMER_H */
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