Subversion Repositories fpga-cf

// fcpprotocol.hpp

#ifndef FCPPROTOCOL_HPP

#define FCPPROTOCOL_HPP

#include "rawethernet.hpp"

typedef unsigned char byte;

// FCP Commands

#define FCP_DATA_SND            0

#define FCP_ACK                 1

#define FCP_CONNECT             2

#define FCP_CON_ACK             3

#define FCP_DATA_REQ            4

#define FCP_DATA_ACK            5

class FCPProtocol

{

private:

        int snd_cur;

        int last_ack;

        RawEthernet *enet;

        byte ip[4];

        void wrapFCPUDPIP(byte *buffer, byte *data);

        static const byte packet_con[];

        static const byte ip_header[];

        static const byte udp_header[];

        byte buffer[1500];

        byte sendbuf[1500];

        void insertIPChecksum();

        bool receiveFcpUdpIp(int len, byte *data);

public:

        FCPProtocol ();

        ~FCPProtocol ();

        bool connect(byte mac[], byte ip[]);

        void disconnect(void);

        bool sendData(int channel, byte data[], int len);

        bool requestData(int channel, int len, byte *data);

        bool connected();

        void wrapFcpUdpIp(byte command, int channel, byte *data, int len);

};

#endif