Fork of Tangara with customizations
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tangara-fw/src/audio/include/audio_fsm.hpp

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/*
* Copyright 2023 jacqueline <me@jacqueline.id.au>
*
* SPDX-License-Identifier: GPL-3.0-only
*/
#pragma once
#include <deque>
#include <memory>
#include <vector>
#include "audio_sink.hpp"
#include "tinyfsm.hpp"
#include "audio_decoder.hpp"
#include "audio_events.hpp"
#include "bt_audio_output.hpp"
#include "database.hpp"
#include "display.hpp"
#include "fatfs_audio_input.hpp"
#include "gpios.hpp"
#include "i2s_audio_output.hpp"
#include "i2s_dac.hpp"
#include "storage.hpp"
#include "system_events.hpp"
#include "tag_parser.hpp"
#include "track.hpp"
#include "track_queue.hpp"
namespace audio {
class AudioState : public tinyfsm::Fsm<AudioState> {
public:
static auto Init(drivers::IGpios* gpio_expander,
std::weak_ptr<database::Database>,
std::shared_ptr<database::ITagParser>,
drivers::Bluetooth* bluetooth,
TrackQueue* queue) -> bool;
virtual ~AudioState() {}
virtual void entry() {}
virtual void exit() {}
/* Fallback event handler. Does nothing. */
void react(const tinyfsm::Event& ev) {}
void react(const system_fsm::StorageMounted&);
void react(const system_fsm::KeyUpChanged&);
void react(const system_fsm::KeyDownChanged&);
void react(const system_fsm::HasPhonesChanged&);
virtual void react(const system_fsm::BootComplete&) {}
virtual void react(const PlayFile&) {}
virtual void react(const QueueUpdate&) {}
virtual void react(const PlaybackUpdate&) {}
virtual void react(const internal::InputFileOpened&) {}
virtual void react(const internal::InputFileClosed&) {}
virtual void react(const internal::InputFileFinished&) {}
virtual void react(const internal::AudioPipelineIdle&) {}
protected:
static drivers::IGpios* sIGpios;
static std::shared_ptr<drivers::I2SDac> sDac;
static std::weak_ptr<database::Database> sDatabase;
static std::shared_ptr<FatfsAudioInput> sFileSource;
static std::unique_ptr<Decoder> sDecoder;
static std::shared_ptr<SampleConverter> sSampleConverter;
static std::shared_ptr<IAudioOutput> sOutput;
static TrackQueue* sTrackQueue;
static std::optional<database::TrackId> sCurrentTrack;
};
namespace states {
class Uninitialised : public AudioState {
public:
void react(const system_fsm::BootComplete&) override;
using AudioState::react;
};
class Standby : public AudioState {
public:
void react(const PlayFile&) override;
void react(const internal::InputFileOpened&) override;
void react(const QueueUpdate&) override;
using AudioState::react;
};
class Playback : public AudioState {
public:
void entry() override;
void exit() override;
void react(const PlayFile&) override;
void react(const QueueUpdate&) override;
void react(const PlaybackUpdate&) override;
void react(const internal::InputFileOpened&) override;
void react(const internal::InputFileClosed&) override;
void react(const internal::InputFileFinished&) override;
void react(const internal::AudioPipelineIdle&) override;
using AudioState::react;
};
} // namespace states
} // namespace audio