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/*
* Copyright (C) 2014 Bastian Bloessl <bloessl@ccs-labs.org>
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_RDS_ENCODER_IMPL_H
#define INCLUDED_RDS_ENCODER_IMPL_H
#include <rds/encoder.h>
#include <gnuradio/thread/thread.h>
namespace gr {
namespace rds {
class encoder_impl : public encoder
{
public:
encoder_impl(unsigned char pty_locale, int pty, bool ms, std::string ps,
double af1, bool tp, bool ta, int pi_country_code,
int pi_coverage_area, int pi_reference_number,
std::string radiotext);
virtual void set_ps(std::string ps);
private:
~encoder_impl();
int work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items);
unsigned int infoword[4];
unsigned int checkword[4];
unsigned int block[4];
unsigned char **buffer;
unsigned char pty_locale;
// FIXME make this a struct (or a class)
unsigned char PTY;
unsigned char radiotext[64];
unsigned char PS[8];
bool TA;
bool TP;
bool MS;
unsigned int PI;
double AF1;
int DP;
int extent;
int event;
int location;
gr::thread::mutex d_mutex;
/* each type 0 group contains 2 out of 8 PS characters;
* this is used to count 0..3 and send all PS characters */
int d_g0_counter;
/* each type 2A group contains 4 out of 64 RadioText characters;
* each type 2B group contains 2 out of 32 RadioText characters;
* this is used to count 0..15 and send all RadioText characters */
int d_g2_counter;
/* points to the current buffer being prepared/streamed
* used in create_group() and in work() */
int d_current_buffer;
/* loops through the buffer, pushing out the symbols */
int d_buffer_bit_counter;
int groups[32];
/* nbuffers might be != ngroups, e.g. group 0A needs 4 buffers */
int nbuffers;
// Functions
void rebuild();
void set_ms(bool ms);
void set_tp(bool tp);
void set_ta(bool ta);
void set_af1(double af1);
void set_pty(unsigned int pty);
void set_pi(unsigned int pty);
void set_radiotext(std::string text);
void count_groups();
void create_group(const int, const bool);
void prepare_group0(const bool);
void prepare_group1a();
void prepare_group2(const bool);
void prepare_group3a();
void prepare_group4a();
void prepare_group8a();
void prepare_group11a();
void prepare_buffer(int);
unsigned int encode_af(double);
unsigned int calc_syndrome(unsigned long, unsigned char);
void rds_in(pmt::pmt_t msg);
};
} /* namespace rds */
} /* namespace gr */
#endif /* INCLUDED_RDS_ENCODER_IMPL_H */
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