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https://github.com/torlando-tech/pyxis.git
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c1af11d75e
- Add ES7210 I2C address and I2S mic capture pin definitions - Add ring/hangup tone helpers to Tone library - Add lxst_audio library scaffold - Add Codec2 dependency to platformio.ini Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
40 lines
1.0 KiB
C++
40 lines
1.0 KiB
C++
// Copyright (c) 2024 LXST contributors
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// SPDX-License-Identifier: MPL-2.0
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#pragma once
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#include <atomic>
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#include <cstdint>
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/**
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* Lock-free SPSC ring buffer for variable-length encoded audio packets.
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*
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* Ported from LXST-kt native layer. Each slot has a fixed max size but
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* tracks actual length. Lock-free protocol identical to PacketRingBuffer.
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*
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* Slot layout: [int32 length][uint8 data[maxBytesPerSlot]] x maxSlots
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*/
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class EncodedRingBuffer {
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public:
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EncodedRingBuffer(int maxSlots, int maxBytesPerSlot);
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~EncodedRingBuffer();
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EncodedRingBuffer(const EncodedRingBuffer&) = delete;
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EncodedRingBuffer& operator=(const EncodedRingBuffer&) = delete;
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bool write(const uint8_t* data, int length);
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bool read(uint8_t* dest, int maxLength, int* actualLength);
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int availableSlots() const;
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void reset();
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private:
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const int maxSlots_;
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const int maxBytesPerSlot_;
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const int slotSize_;
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uint8_t* buffer_;
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std::atomic<int> writeIndex_{0};
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std::atomic<int> readIndex_{0};
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};
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