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Diffstat (limited to 'gr-digital/lib/ofdm_serializer_vcc_impl.h')
| -rw-r--r-- | gr-digital/lib/ofdm_serializer_vcc_impl.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/gr-digital/lib/ofdm_serializer_vcc_impl.h b/gr-digital/lib/ofdm_serializer_vcc_impl.h new file mode 100644 index 0000000000..4f750eac71 --- /dev/null +++ b/gr-digital/lib/ofdm_serializer_vcc_impl.h @@ -0,0 +1,70 @@ +/* -*- c++ -*- */ +/* Copyright 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_DIGITAL_OFDM_SERIALIZER_VCC_IMPL_H +#define INCLUDED_DIGITAL_OFDM_SERIALIZER_VCC_IMPL_H + +#include <digital/ofdm_serializer_vcc.h> + +namespace gr { + namespace digital { + + class ofdm_serializer_vcc_impl : public ofdm_serializer_vcc + { + private: + int d_fft_len; //!< FFT length + std::vector<std::vector<int> > d_occupied_carriers; //!< Which carriers/symbols carry data + pmt::pmt_t d_packet_len_tag_key; //!< Key of the length tag + pmt::pmt_t d_out_len_tag_key; //!< Key of the length tag + const int d_symbols_skipped; //!< Start position in d_occupied_carriers + int d_curr_set; //!< Current position in d_occupied_carriers + int d_symbols_per_set; + + protected: + /*! + * Calculate the number of scalar complex symbols given a number of + * OFDM symbols. + */ + int calculate_output_stream_length(const gr_vector_int &ninput_items); + void update_length_tags(int n_produced, int n_ports); + + public: + ofdm_serializer_vcc_impl( + int fft_len, + const std::vector<std::vector<int> > &occupied_carriers, + const std::string &len_tag_key, + const std::string &packet_len_tag_key, + int symbols_skipped, + bool input_is_shifted + ); + ~ofdm_serializer_vcc_impl(); + + int work(int noutput_items, + gr_vector_int &ninput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items); + }; + + } // namespace digital +} // namespace gr + +#endif /* INCLUDED_DIGITAL_OFDM_SERIALIZER_VCC_IMPL_H */ + |