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69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
#pragma once
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#include <cstdint>
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#include <memory>
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#include "../Common/serial_port.hpp"
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class DfPlayer {
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public:
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explicit DfPlayer(UART_HandleTypeDef* uart)
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: serialPort(std::make_unique<SerialPort>(uart, kBaudRate, kLength, kTimeout)) {}
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~DfPlayer() = default;
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DfPlayer(const DfPlayer&) = delete;
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DfPlayer& operator=(const DfPlayer&) = delete;
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DfPlayer(DfPlayer&&) = delete;
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DfPlayer& operator=(DfPlayer&&) = delete;
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void Play();
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void Stop();
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void SetVolume(uint8_t volume);
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void PlayTrack(uint16_t track);
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private:
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enum class Command : uint8_t {
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kNext = 0x01,
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kPrevious = 0x02,
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kPlayTrack = 0x03,
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kVolumeUp = 0x04,
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kVolumeDown = 0x05,
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kSetVolume = 0x06,
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kSetEQ = 0x07,
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kSingleLoopPlayTrack = 0x08,
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kSetPlaybackDevice = 0x09,
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kEnterSleep = 0x0A,
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kResetModule = 0x0C,
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kPlay = 0x0D,
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kPause = 0x0E,
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kPlayFolderTrack = 0x0F,
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kSetAmplification = 0x10,
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kLoopAll = 0x11,
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kPlayMp3FolderTrack = 0x12,
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kInsertAd = 0x13,
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kStopAdPlayBackground = 0x15,
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kStop = 0x16,
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kQueryStatus = 0x42,
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kQueryVolume = 0x43,
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kQueryEQ = 0x44,
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kQueryUDiskTotalFiles = 0x47,
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kQueryTFCardTotalFiles = 0x48,
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kQueryFlashTotalFiles = 0x49,
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kQueryUDiskCurrentTrack = 0x4B,
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kQueryTFCardCurrentTrack = 0x4C,
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kQueryFlashCurrentTrack = 0x4D,
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};
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static constexpr uint32_t kBaudRate = 9600;
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static constexpr uint32_t kLength = 128;
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static constexpr uint32_t kTimeout = 10;
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std::unique_ptr<SerialPort> serialPort;
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void SendCommand(Command cmd, uint16_t param = 0);
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static constexpr uint8_t kStartByte = 0x7E;
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static constexpr uint8_t kVersion = 0xFF;
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static constexpr uint8_t kFeedback = 0x00;
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static constexpr uint8_t kEndByte = 0xEF;
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};
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