portapack-mayhem/firmware/baseband/proc_ook.hpp

78 lines
2.3 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;
BasebandThread baseband_thread { 2280000, this, NORMALPRIO + 20, baseband::Direction::Transmit };
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 };
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