portapack-mayhem/firmware/baseband/proc_mictx.hpp

/*
 * Copyright (C) 2015 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_MICTX_H__
#define __PROC_MICTX_H__

#include "baseband_processor.hpp"
#include "baseband_thread.hpp"
#include "audio_input.hpp"
#include "tone_gen.hpp"
#include "dsp_modulate.hpp"

class MicTXProcessor : public BasebandProcessor {
   public:
    void execute(const buffer_c8_t& buffer) override;
    void on_message(const Message* const msg) override;

   private:
    static constexpr size_t baseband_fs = 1536000U;

    bool configured{false};

    int16_t audio_data[64];
    buffer_s16_t audio_buffer{
        audio_data,
        sizeof(int16_t) * 64};

    AudioInput audio_input{};
    // ToneGen tone_gen { };   moved to  dsp_modulate.cpp
    // ToneGen beep_gen { };   moved to  dsp_modulate.cpp
    dsp::modulate::Modulator* modulator = NULL;

    bool am_enabled{false};
    bool fm_enabled{true};
    bool usb_enabled{false};
    bool lsb_enabled{false};
    bool dsb_enabled{false};

    uint32_t divider{};
    float audio_gain{};
    uint8_t audio_shift_bits_s16{};  // shift bits factor to the captured ADC S16 audio sample.

    uint64_t power_acc{0};
    uint32_t power_acc_count{0};
    bool play_beep{false};
    uint32_t fm_delta{0};
    uint32_t phase{0}, sphase{0};
    int32_t sample{0}, delta{};
    uint32_t beep_index{}, beep_timer{};

    int8_t re{0}, im{0};

    AudioLevelReportMessage level_message{};
    TXProgressMessage txprogress_message{};

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

#endif