LibPktHandler.hpp

//------------------------------------------------------------------------------
//This file is part of embKernel. 
//See license.txt for the full license governing this code.
//------------------------------------------------------------------------------

#ifndef LIB_PKT_HANDLER_HPP_
#define LIB_PKT_HANDLER_HPP_

#include "LibStreamIn.hpp"
#include "LibStreamOut.hpp"

class LibPktHandler {
public:
    typedef struct {
        uint16_t cmd;
        uint16_t dataLen;
    } PKT_HDR;

    typedef struct {
        PKT_HDR hdr;
        uint8_t data[1024];
    } PKT;

    typedef enum {
        RES_SUCCESS = 0,
        RES_PKT_DROPPED = 1,
        RES_TIMEOUT = 2,
    } RESULT;

private:
    PKT* mCurrentPkt;
    uint16_t mCmd;
    uint16_t mDataLen;
    int mCurrentPosition;
    bool mIsError;

public:
    LibPktHandler();

    RESULT recvPkt(LibStreamIn& stream, PKT** pkt, Rtos::TICK timeout = Rtos::TICK_INFINITE);
    void freePkt(PKT** pkt);
    RESULT sendPkt(LibStreamOut& stream, uint16_t cmd, uint16_t dataLen, const void* data, Rtos::TICK timeout = Rtos::TICK_INFINITE);
    void reset();
    inline bool isError() {
        return mIsError;
    }
};

#endif /* LIB_PKT_HANDLER_HPP_ */