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Diffstat (limited to 'gr-digital/include/digital_simple_framer.h')
-rw-r--r-- | gr-digital/include/digital_simple_framer.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/gr-digital/include/digital_simple_framer.h b/gr-digital/include/digital_simple_framer.h new file mode 100644 index 000000000..b622ae5dd --- /dev/null +++ b/gr-digital/include/digital_simple_framer.h @@ -0,0 +1,66 @@ +/* -*- 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 */ |