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78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
/*
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* Copyright (C) 2015 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_AUDIOTX_H__
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#define __PROC_AUDIOTX_H__
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#include "baseband_processor.hpp"
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#include "baseband_thread.hpp"
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#include "tone_gen.hpp"
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#include "stream_output.hpp"
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#include "audio_output.hpp"
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#include "audio_dma.hpp"
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#define AUDIO_OUTPUT_BUFFER_SIZE 32
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class AudioTXProcessor : 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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static constexpr size_t baseband_fs = 1536000;
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std::unique_ptr<StreamOutput> stream{};
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ToneGen tone_gen{};
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uint32_t resample_inc{}, resample_acc{};
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uint32_t fm_delta{0};
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uint32_t phase{0}, sphase{0};
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uint32_t audio_sample{};
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int32_t sample{0}, delta{};
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int8_t re{0}, im{0};
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uint8_t bytes_per_sample{1};
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uint32_t sampling_rate{48000};
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int16_t audio_data[AUDIO_OUTPUT_BUFFER_SIZE];
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AudioOutput audio_output{};
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size_t progress_interval_samples = 0, progress_samples = 0;
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bool configured{false};
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uint32_t samples_read{0};
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bool tone_key_enabled{false};
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void sample_rate_config(const SampleRateConfigMessage& message);
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void audio_config(const AudioTXConfigMessage& message);
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void replay_config(const ReplayConfigMessage& message);
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TXProgressMessage txprogress_message{};
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RequestSignalMessage sig_message{RequestSignalMessage::Signal::FillRequest};
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/* NB: Threads should be the last members in the class definition. */
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BasebandThread baseband_thread{baseband_fs, this, baseband::Direction::Transmit};
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};
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#endif
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