portapack-mayhem/firmware/baseband/proc_ook.hpp

78 lines
2.4 KiB
C++

/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2016 Furrtek
*
* This file is part of PortaPack.
*
* 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 2, 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __PROC_OOK_H__
#define __PROC_OOK_H__
#include "baseband_processor.hpp"
#include "baseband_thread.hpp"
class OOKProcessor : public BasebandProcessor {
public:
void execute(const buffer_c8_t& buffer) override;
void on_message(const Message* const p) override;
private:
bool configured = false;
uint32_t samples_per_bit{0};
uint8_t repeat{0};
uint32_t length{0};
uint32_t pause{0};
uint8_t de_bruijn_length{0};
uint32_t pause_counter{0};
uint8_t repeat_counter{0};
uint8_t s{0};
uint16_t bit_pos{0};
uint8_t cur_bit{0};
uint32_t sample_count{0};
uint32_t tone_phase{0}, phase{0}, sphase{0};
int32_t tone_sample{0}, sig{0}, frq{0};
TXProgressMessage txprogress_message{};
static constexpr auto MAX_DE_BRUIJN_ORDER = 24;
uint8_t v[MAX_DE_BRUIJN_ORDER];
uint8_t v_tmp[MAX_DE_BRUIJN_ORDER];
unsigned int idx{0};
unsigned int k{0};
unsigned int duval_symbols{0};
unsigned int duval_length{0};
unsigned int duval_bit{0};
unsigned int duval_sample_bit{0};
unsigned int duval_symbol{0};
size_t scan_progress{0};
uint8_t scan_done{true};
/* NB: Threads should be the last members in the class definition. */
BasebandThread baseband_thread{2280000, this, baseband::Direction::Transmit};
size_t duval_algo_step();
void scan_process(const buffer_c8_t& buffer);
bool scan_init(unsigned int order);
bool scan_encode(const buffer_c8_t& buffer, size_t& buf_ptr);
void write_sample(const buffer_c8_t& buffer, uint8_t bit_value, size_t i);
};
#endif