65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
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/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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* Copyright (C) 2016 Furrtek
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __PROC_AFSK_H__
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#define __PROC_AFSK_H__
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#include "baseband_processor.hpp"
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#include "baseband_thread.hpp"
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#define AFSK_SAMPLERATE 1536000
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#define AFSK_DELTA_COEF ((1ULL << 32) / AFSK_SAMPLERATE)
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class AFSKProcessor : public BasebandProcessor {
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public:
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void execute(const buffer_c8_t& buffer) override;
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void on_message(const Message* const msg) override;
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private:
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bool configured = false;
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BasebandThread baseband_thread { AFSK_SAMPLERATE, this, NORMALPRIO + 20, baseband::Direction::Transmit };
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uint32_t afsk_samples_per_bit { 0 };
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uint32_t afsk_phase_inc_mark { 0 };
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uint32_t afsk_phase_inc_space { 0 };
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uint8_t afsk_repeat { 0 };
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uint32_t fm_delta { 0 };
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uint8_t symbol_count { 0 };
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uint8_t repeat_counter { 0 };
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uint8_t bit_pos { 0 };
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uint16_t * word_ptr { };
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uint16_t cur_word { 0 };
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uint8_t cur_bit { 0 };
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uint32_t sample_count { 0 };
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uint32_t tone_phase { 0 }, phase { 0 }, sphase { 0 };
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int32_t tone_sample { 0 }, delta { 0 };
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int8_t re { 0 }, im { 0 };
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TXProgressMessage txprogress_message { };
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};
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#endif
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