USB-Multi-Protocol-Transreceiver-Upper/SerialManager.h at master · Jasonlecson/USB-Multi-Protocol-Transreceiver-Upper · GitHub

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#pragma once

#include <QObject>
#include <QSerialPort>
#include <QSerialPortInfo>
#include <QByteArray>

class SerialManager : public QObject {
    Q_OBJECT
public:
    explicit SerialManager(QObject *parent = nullptr);
    ~SerialManager();

    QList<QSerialPortInfo> availablePorts() const;
    bool open(const QString &portName, qint32 baudRate = 115200);
    void close();
    bool isOpen() const;

    // ===== 下行发送 =====

    // CAN (Channel 0x01)
    void sendCanFrame(uint32_t id, bool extended, bool rtr, const QByteArray &data);

    // USART (Channel 0x10 / 0x11)
    void sendUsartData(uint8_t channel, const QByteArray &data);

    // SPI1 (Channel 0x20)
    void sendSpiRequest(const QByteArray &writeData, uint8_t readLen);

    // I2C (Channel 0x30 / 0x31)
    void sendI2cWrite(uint8_t channel, uint8_t devAddr, const QByteArray &data);
    void sendI2cRead(uint8_t channel, uint8_t devAddr, uint8_t readLen);
    void sendI2cMemWrite(uint8_t channel, uint8_t devAddr, uint32_t memAddr,
                         uint8_t memAddrLen, const QByteArray &data);
    void sendI2cMemRead(uint8_t channel, uint8_t devAddr, uint32_t memAddr,
                        uint8_t memAddrLen, uint8_t readLen);

    // ADC (Channel 0x40)
    void sendAdcStart();
    void sendAdcStop();
    void sendAdcSetRate(uint16_t psc, uint16_t per);

    // System (Channel 0xF0)
    void sendSetUsart1Baud(uint32_t baud);
    void sendSetUsart2Baud(uint32_t baud);
    void sendSetCanBaud(uint32_t baud);
    void sendSetI2c1Speed(uint32_t speed);
    void sendSetI2c2Speed(uint32_t speed);
    void sendSetSpi1Presc(uint8_t presc);
    void sendQueryInfo();

signals:
    void portOpened(const QString &portName);
    void portClosed();
    void errorOccurred(const QString &error);

    // ===== 上行接收 =====
    void rawDataReceived(const QByteArray &data);

    // CAN (Channel 0x01)
    void canFrameReceived(uint32_t id, bool extended, bool rtr, const QByteArray &data);

    // USART (Channel 0x10 / 0x11)
    void usartDataReceived(uint8_t channel, const QByteArray &data);

    // SPI1 (Channel 0x20)
    void spiResponseReceived(uint8_t result, const QByteArray &readData);

    // I2C (Channel 0x30 / 0x31)
    void i2cResponseReceived(uint8_t channel, uint8_t result, const QByteArray &readData);

    // ADC (Channel 0x40)
    void adcDataReceived(uint16_t seqNum, const QByteArray &rawData);

    // System Status (Channel 0xF1)
    void deviceInfoReceived(uint8_t verMajor, uint8_t verMinor, uint8_t chCount);
    void sysCmdResult(uint8_t cmd, uint8_t result);

private slots:
    void onReadyRead();
    void onError(QSerialPort::SerialPortError error);

private:
    void processBuffer();
    void compactBuffer();
    QByteArray buildFrame(uint8_t channel, const QByteArray &payload);
    void handleUplink(uint8_t channel, const QByteArray &payload);

    // 帧格式常量
    static constexpr uint8_t HEADER_DOWN = 0xAA;
    static constexpr uint8_t HEADER_UP   = 0xBB;
    static constexpr int FRAME_HEADER_SIZE = 4; // Header + Channel + LenL + LenH
    static constexpr int COMPACT_THRESHOLD = 4096; // 累积偏移超过此值时压缩缓冲区

    // 通道定义
    static constexpr uint8_t CH_CAN     = 0x01;
    static constexpr uint8_t CH_USART1  = 0x10;
    static constexpr uint8_t CH_USART2  = 0x11;
    static constexpr uint8_t CH_SPI1    = 0x20;
    static constexpr uint8_t CH_I2C1    = 0x30;
    static constexpr uint8_t CH_I2C2    = 0x31;
    static constexpr uint8_t CH_ADC     = 0x40;
    static constexpr uint8_t CH_SYS_CMD = 0xF0;
    static constexpr uint8_t CH_SYS_STS = 0xF1;

    QSerialPort *m_serial;
    QByteArray m_buffer;
    int m_readPos = 0;
};