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65 lines
1.5 KiB
65 lines
1.5 KiB
/*
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* Copyright 2023 jacqueline <me@jacqueline.id.au>
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*
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* SPDX-License-Identifier: GPL-3.0-only
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*/
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#pragma once
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#include <stdint.h>
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#include <cstdint>
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#include <memory>
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#include <vector>
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#include "audio/audio_sink.hpp"
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#include "drivers/gpios.hpp"
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#include "drivers/i2s_dac.hpp"
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#include "result.hpp"
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namespace audio {
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class I2SAudioOutput : public IAudioOutput {
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public:
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I2SAudioOutput(StreamBufferHandle_t, drivers::IGpios& expander);
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~I2SAudioOutput();
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auto SetMaxVolume(uint16_t) -> void;
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auto SetVolumeDb(uint16_t) -> void;
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auto SetVolumeImbalance(int_fast8_t balance) -> void override;
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auto SetVolume(uint16_t) -> void override;
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auto GetVolume() -> uint16_t override;
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auto GetVolumePct() -> uint_fast8_t override;
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auto SetVolumePct(uint_fast8_t val) -> bool override;
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auto GetVolumeDb() -> int_fast16_t override;
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auto SetVolumeDb(int_fast16_t) -> bool override;
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auto AdjustVolumeUp() -> bool override;
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auto AdjustVolumeDown() -> bool override;
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auto PrepareFormat(const Format&) -> Format override;
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auto Configure(const Format& format) -> void override;
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auto samplesUsed() -> uint32_t override;
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I2SAudioOutput(const I2SAudioOutput&) = delete;
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I2SAudioOutput& operator=(const I2SAudioOutput&) = delete;
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protected:
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auto changeMode(Modes) -> void override;
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private:
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drivers::IGpios& expander_;
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std::unique_ptr<drivers::I2SDac> dac_;
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Modes current_mode_;
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std::optional<Format> current_config_;
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int_fast8_t left_difference_;
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uint16_t current_volume_;
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uint16_t max_volume_;
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};
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} // namespace audio
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