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/* -*- c++ -*- */
/*
* Copyright 2015 Free Software Foundation, Inc.
*
* This 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.
*
* This software 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 this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef INCLUDED_DTV_DVBT2_PILOTGENERATOR_CC_IMPL_H
#define INCLUDED_DTV_DVBT2_PILOTGENERATOR_CC_IMPL_H
#include <gnuradio/dtv/dvbt2_pilotgenerator_cc.h>
#include <gnuradio/fft/fft.h>
#include "dvb/dvb_defines.h"
#define CHIPS 2624
#define MAX_CARRIERS 27841
enum dvbt2_carrier_type_t {
DATA_CARRIER = 1,
P2PILOT_CARRIER,
P2PAPR_CARRIER,
TRPAPR_CARRIER,
SCATTERED_CARRIER,
CONTINUAL_CARRIER,
P2PILOT_CARRIER_INVERTED,
SCATTERED_CARRIER_INVERTED,
CONTINUAL_CARRIER_INVERTED
};
namespace gr {
namespace dtv {
class dvbt2_pilotgenerator_cc_impl : public dvbt2_pilotgenerator_cc
{
private:
int active_items;
int num_symbols;
int fft_size;
int left_nulls;
int right_nulls;
int pilot_pattern;
int carrier_mode;
int papr_mode;
int equalization_enable;
float normalization;
gr_complex p2_bpsk[2];
gr_complex sp_bpsk[2];
gr_complex cp_bpsk[2];
gr_complex p2_bpsk_inverted[2];
gr_complex sp_bpsk_inverted[2];
gr_complex cp_bpsk_inverted[2];
gr_complex inverse_sinc[32768];
int prbs[MAX_CARRIERS];
int pn_sequence[CHIPS];
int p2_carrier_map[MAX_CARRIERS];
int data_carrier_map[MAX_CARRIERS];
int fc_carrier_map[MAX_CARRIERS];
int N_P2;
int C_P2;
int N_FC;
int C_FC;
int C_DATA;
int K_EXT;
int C_PS;
int K_OFFSET;
int dx;
int dy;
int miso;
int miso_group;
void init_prbs(void);
void init_pilots(int);
fft::fft_complex *ofdm_fft;
int ofdm_fft_size;
const static unsigned char pn_sequence_table[CHIPS / 8];
const static int p2_papr_map_1k[10];
const static int p2_papr_map_2k[18];
const static int p2_papr_map_4k[36];
const static int p2_papr_map_8k[72];
const static int p2_papr_map_16k[144];
const static int p2_papr_map_32k[288];
const static int tr_papr_map_1k[10];
const static int tr_papr_map_2k[18];
const static int tr_papr_map_4k[36];
const static int tr_papr_map_8k[72];
const static int tr_papr_map_16k[144];
const static int tr_papr_map_32k[288];
const static int pp1_cp1[20];
const static int pp1_cp2[25];
const static int pp1_cp5[44];
const static int pp2_cp1[20];
const static int pp2_cp2[22];
const static int pp2_cp3[2];
const static int pp2_cp4[2];
const static int pp2_cp5[41];
const static int pp2_cp6[88];
const static int pp3_cp1[22];
const static int pp3_cp2[20];
const static int pp3_cp3[1];
const static int pp3_cp5[44];
const static int pp3_cp6[49];
const static int pp4_cp1[20];
const static int pp4_cp2[23];
const static int pp4_cp3[1];
const static int pp4_cp4[2];
const static int pp4_cp5[44];
const static int pp4_cp6[86];
const static int pp5_cp1[19];
const static int pp5_cp2[23];
const static int pp5_cp3[3];
const static int pp5_cp4[1];
const static int pp5_cp5[44];
const static int pp6_cp5[88];
const static int pp6_cp6[88];
const static int pp7_cp1[15];
const static int pp7_cp2[30];
const static int pp7_cp3[5];
const static int pp7_cp4[3];
const static int pp7_cp5[35];
const static int pp7_cp6[92];
const static int pp8_cp4[47];
const static int pp8_cp5[39];
const static int pp8_cp6[89];
const static int pp2_8k[4];
const static int pp3_8k[2];
const static int pp4_8k[2];
const static int pp7_8k[5];
const static int pp8_8k[5];
const static int pp1_16k[4];
const static int pp2_16k[2];
const static int pp3_16k[2];
const static int pp4_16k[2];
const static int pp5_16k[2];
const static int pp6_16k[2];
const static int pp7_16k[3];
const static int pp8_16k[3];
const static int pp2_32k[2];
const static int pp4_32k[2];
const static int pp6_32k[4];
const static int pp7_32k[2];
const static int pp8_32k[6];
public:
dvbt2_pilotgenerator_cc_impl(dvbt2_extended_carrier_t carriermode, dvbt2_fftsize_t fftsize, dvbt2_pilotpattern_t pilotpattern, dvb_guardinterval_t guardinterval, int numdatasyms, dvbt2_papr_t paprmode, dvbt2_version_t version, dvbt2_preamble_t preamble, dvbt2_misogroup_t misogroup, dvbt2_equalization_t equalization, dvbt2_bandwidth_t bandwidth, unsigned int vlength);
~dvbt2_pilotgenerator_cc_impl();
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);
};
} // namespace dtv
} // namespace gr
#endif /* INCLUDED_DTV_DVBT2_PILOTGENERATOR_CC_IMPL_H */
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