source: tmcsimulator/branches/green_dot/DataPacker.h @ 165

/* 

 * File:   DataPacker.h

 *

 * DataPacker has a single static public method packData(..) that returns the

 * packed data message that is sent to the ATMS Server in the fep_reply struct

 * via RPC.

 * 

 * @author John A. Torres

 * @version 9/8/2017

 */



#ifndef DATAPACKER_H

#define DATAPACKER_H



// Include dependencies

#include "network.h"

#include <iostream>

#include <string.h>

#include <stdio.h>

#include <math.h>

#include <cstdlib>

class DataPacker {

    

public:

    /**

     * Returns packed data message to be sent to ATMS Server in fep_reply via RPC

     * 

     * @param station The station for which the message is to be made

     * @return The packed data message

     */

    static unsigned char * packData(STATION *station);



private:

    static unsigned char *msg;

    // Packs the static data in message sent to ATMS

    unsigned char * staticDataPack(STATION *station);

    // Packs dynamic data in message sent to ATMS

    int dynamicDataPack(STATION *station, int packNo, int pos);

    // Sets last byte of message

    char chksum(unsigned char *dataptr, int len);

    // Tells whether or not data is available for specified lane

    bool DataAvail(char flag, int num);

    // Helper function: packs vol and occ into two byte data packet

    VOLOCC packVOLOCC(int vol, int occ);



};



#endif  /* DATAPACKER_H */