portapack-mayhem/firmware/baseband/proc_test.hpp

/*
 * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
 * Copyright (C) 2017 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_TEST_H__
#define __PROC_TEST_H__

#include "baseband_processor.hpp"
#include "baseband_thread.hpp"
#include "rssi_thread.hpp"
#include "proc_ais.hpp"

#include "channel_decimator.hpp"
#include "matched_filter.hpp"

#include "clock_recovery.hpp"
#include "symbol_coding.hpp"
#include "packet_builder.hpp"
#include "baseband_packet.hpp"

#include "message.hpp"
#include "portapack_shared_memory.hpp"

#include <cstdint>
#include <cstddef>
#include <bitset>

class TestProcessor : public BasebandProcessor {
   public:
    TestProcessor();

    void execute(const buffer_c8_t& buffer) override;

   private:
    static constexpr size_t baseband_fs = 2457600 * 2;

    std::array<complex16_t, 512> dst{};
    const buffer_c16_t dst_buffer{
        dst.data(),
        dst.size()};

    dsp::decimate::FIRC8xR16x24FS4Decim8 decim_0{};
    dsp::decimate::FIRC16xR16x32Decim8 decim_1{};
    dsp::matched_filter::MatchedFilter mf{baseband::ais::square_taps_38k4_1t_p, 2};

    clock_recovery::ClockRecovery<clock_recovery::FixedErrorFilter> clock_recovery_fsk_9600{
        38400,
        19192,
        {0.00555f},
        [this](const float raw_symbol) {
            const uint_fast8_t sliced_symbol = (raw_symbol >= 0.0f) ? 1 : 0;
            this->packet_builder_fsk_9600_CC1101.execute(sliced_symbol);
        }};
    PacketBuilder<BitPattern, NeverMatch, FixedLength> packet_builder_fsk_9600_CC1101{
        {0b01010110010110100101101001101010, 32, 1},  // Manchester 0x1337
        {},
        {22 * 8},
        [this](const baseband::Packet& packet) {
            const TestAppPacketMessage message{packet};
            shared_memory.application_queue.push(message);
        }};

    /* NB: Threads should be the last members in the class definition. */
    BasebandThread baseband_thread{
        baseband_fs, this, baseband::Direction::Receive, /*auto_start*/ false};
    RSSIThread rssi_thread{};
};

#endif /*__PROC_TEST_H__*/