generator.h

00001 /*
00002  *
00003  * NMEA library
00004  * URL: http://nmea.sourceforge.net
00005  * Author: Tim (xtimor@gmail.com)
00006  * Licence: http://www.gnu.org/licenses/lgpl.html
00007  * $Id: generator.h 4 2007-08-27 13:11:03Z xtimor $
00008  *
00009  */
00010 
00011 #ifndef __NMEA_GENERATOR_H__
00012 #define __NMEA_GENERATOR_H__
00013 
00014 #include "info.h "
00015 
00016 #ifdef  __cplusplus
00017 extern "C" {
00018 #endif
00019 
00020 /*
00021  * high level
00022  */
00023 
00024 struct _nmeaGENERATOR;
00025 
00026 enum nmeaGENTYPE
00027 {
00028     NMEA_GEN_NOISE = 0,
00029     NMEA_GEN_STATIC,
00030     NMEA_GEN_ROTATE,
00031 
00032     NMEA_GEN_SAT_STATIC,
00033     NMEA_GEN_SAT_ROTATE,
00034     NMEA_GEN_POS_RANDMOVE,
00035 
00036     NMEA_GEN_LAST
00037 };
00038 
00039 struct _nmeaGENERATOR * nmea_create_generator(int type, nmeaINFO *info);
00040 void    nmea_destroy_generator(struct _nmeaGENERATOR *gen);
00041 
00042 int     nmea_generate_from(
00043         char *buff, int buff_sz,    /* buffer */
00044         nmeaINFO *info,             /* source info */
00045         struct _nmeaGENERATOR *gen, /* generator */
00046         int generate_mask           /* mask of sentence`s (e.g. GPGGA | GPGSA) */
00047         );
00048 
00049 /*
00050  * low level
00051  */
00052 
00053 typedef int (*nmeaNMEA_GEN_INIT)(struct _nmeaGENERATOR *gen, nmeaINFO *info);
00054 typedef int (*nmeaNMEA_GEN_LOOP)(struct _nmeaGENERATOR *gen, nmeaINFO *info);
00055 typedef int (*nmeaNMEA_GEN_RESET)(struct _nmeaGENERATOR *gen, nmeaINFO *info);
00056 typedef int (*nmeaNMEA_GEN_DESTROY)(struct _nmeaGENERATOR *gen);
00057 
00058 typedef struct _nmeaGENERATOR
00059 {
00060     void                *gen_data;
00061     nmeaNMEA_GEN_INIT    init_call;
00062     nmeaNMEA_GEN_LOOP    loop_call;
00063     nmeaNMEA_GEN_RESET   reset_call;
00064     nmeaNMEA_GEN_DESTROY destroy_call;
00065     struct _nmeaGENERATOR *next;
00066 
00067 } nmeaGENERATOR;
00068 
00069 int     nmea_gen_init(nmeaGENERATOR *gen, nmeaINFO *info);
00070 int     nmea_gen_loop(nmeaGENERATOR *gen, nmeaINFO *info);
00071 int     nmea_gen_reset(nmeaGENERATOR *gen, nmeaINFO *info);
00072 void    nmea_gen_destroy(nmeaGENERATOR *gen);
00073 void    nmea_gen_add(nmeaGENERATOR *to, nmeaGENERATOR *gen);
00074 
00075 #ifdef  __cplusplus
00076 }
00077 #endif
00078 
00079 #endif /* __NMEA_GENERATOR_H__ */