79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
/*
|
|
* 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"
|
|
#include "tone_gen.hpp"
|
|
#include "stream_output.hpp"
|
|
#include "audio_output.hpp"
|
|
#include "audio_dma.hpp"
|
|
|
|
#define AUDIO_OUTPUT_BUFFER_SIZE 32
|
|
|
|
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};
|
|
uint32_t audio_sample{};
|
|
int32_t sample{0}, delta{};
|
|
int8_t re{0}, im{0};
|
|
int8_t bytes_per_sample{1};
|
|
int16_t audio_sample_s16{};
|
|
|
|
int16_t audio_data[AUDIO_OUTPUT_BUFFER_SIZE];
|
|
buffer_s16_t audio_buffer{audio_data, AUDIO_OUTPUT_BUFFER_SIZE, 48000};
|
|
AudioOutput audio_output{};
|
|
|
|
size_t progress_interval_samples = 0, progress_samples = 0;
|
|
|
|
bool configured{false};
|
|
uint32_t samples_read{0};
|
|
bool tone_key_enabled{false};
|
|
|
|
void sample_rate_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
|