mayhem-firmware/firmware/baseband/proc_audiotx.hpp

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/*
* 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_AUDIOTX_H__
#define __PROC_AUDIOTX_H__
#include "baseband_processor.hpp"
#include "baseband_thread.hpp"
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#include "tone_gen.hpp"
#include "stream_output.hpp"
class AudioTXProcessor : 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 = 1536000;
std::unique_ptr<StreamOutput> stream{};
ToneGen tone_gen{};
uint32_t resample_inc{}, resample_acc{};
uint32_t fm_delta{0};
uint32_t phase{0}, sphase{0};
uint8_t audio_sample{};
int32_t sample{0}, delta{};
int8_t re{0}, im{0};
size_t progress_interval_samples = 0, progress_samples = 0;
bool configured{false};
uint32_t bytes_read{0};
void samplerate_config(const SamplerateConfigMessage& message);
void audio_config(const AudioTXConfigMessage& message);
void replay_config(const ReplayConfigMessage& message);
TXProgressMessage txprogress_message{};
RequestSignalMessage sig_message{RequestSignalMessage::Signal::FillRequest};
/* NB: Threads should be the last members in the class definition. */
BasebandThread baseband_thread{baseband_fs, this, baseband::Direction::Transmit};
};
#endif