Pocsag.h

// pocsag.h
// Author: Kristoff Bonne (kristoff@skypro.be)
// Copyright (C) 2014 Kristoff Bonne (ON1ARF)
//


#ifndef POCSAG_H
#define POCSAG_H

class Pocsag {
public:

    // enum's:

    typedef enum {
        POCSAGRC_UNDETERMINED = 0, // Undetermined error
        POCSAGRC_INVALIDADDRESS, // RETURN CODE FOR INVALID ADDRESS
        POCSAGRC_INVALIDSOURCE, // RETURN CODE FOR INVALID ADDRESS SOURCE
        POCSAGRC_INVALIDBATCH2OPT, // RETURN CODE FOR INVALUD "BATCH2" OPTION
        POCSAGRC_INVALIDINVERTOPT // RETURN CODE FOR INVALID "INVERT" OPTION
    } Pocsag_error;

    typedef enum {
        POCSAG_FAILED = 0, // failed
        POCSAG_SUCCESS // success
    } Pocsag_rc;


    // structures
    // a 2-batch pocsag message

    typedef struct {
        unsigned char sync[72];

        // batch 1
        unsigned char synccw1[4];
        uint32_t batch1[16];

        // batch 2
        unsigned char synccw2[4];
        uint32_t batch2[16];
    } Pocsagmsg_s; // end struct


    // data
    Pocsagmsg_s Pocsagmsg;

    // methodes
    // constructor
    Pocsag();

    // create Pocsag Message
    int CreatePocsag(long int, int, char *, int, int);

    // get state
    int GetState();

    // get size
    int GetSize();

    // get error
    int GetError();

    // get pointer to data
    void * GetMsgPointer();

private:
    // vars
    int state;
    int size;
    int error;

    uint32_t createcrc(uint32_t);
    unsigned char flip7charbitorder(unsigned char);
    void replaceline(Pocsag::Pocsagmsg_s *, int, uint32_t);

}; // end class Pocsag
#endif