direwolf/aprs_tt.h
WB2OSZ 8978f2de6c Version 1.0 - Initial commit
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2015-07-26 20:35:07 -04:00

100 lines
2.6 KiB
C

/* aprs_tt.h */
#ifndef APRS_TT_H
#define APRS_TT_H 1
/*
* For holding location format specifications from config file.
* Same thing is also useful for macro definitions.
* We have exactly the same situation of looking for a pattern
* match and extracting fixed size groups of digits.
*/
struct ttloc_s {
enum { TTLOC_POINT, TTLOC_VECTOR, TTLOC_GRID, TTLOC_UTM, TTLOC_MACRO } type;
char pattern[20]; /* e.g. B998, B5bbbdddd, B2xxyy, Byyyxxx */
/* For macros, it should be all fixed digits, */
/* and the letters x, y, z. e.g. 911, xxyyyz */
union {
struct {
double lat; /* Specific locations. */
double lon;
} point;
struct {
double lat; /* For bearing/direction. */
double lon;
double scale; /* conversion to meters */
} vector;
struct {
double lat0; /* yyy all zeros. */
double lon0; /* xxx */
double lat9; /* yyy all nines. */
double lon9; /* xxx */
} grid;
struct {
char zone[8];
double scale;
double x_offset;
double y_offset;
} utm;
struct {
char *definition;
} macro;
};
};
/*
* Configuratin options for APRStt.
*/
#define TT_MAX_XMITS 10
struct tt_config_s {
int obj_xmit_chan; /* Channel to transmit object report. */
char obj_xmit_header[AX25_MAX_ADDRS*AX25_MAX_ADDR_LEN];
/* e.g. "WB2OSZ-5>APDW07,WIDE1-1" */
int retain_time; /* Seconds to keep information about a user. */
int num_xmits; /* Number of times to transmit object report. */
int xmit_delay[TT_MAX_XMITS]; /* Delay between them. */
struct ttloc_s *ttloc_ptr; /* Pointer to variable length array of above. */
int ttloc_size; /* Number of elements allocated. */
int ttloc_len; /* Number of elements actually used. */
double corral_lat; /* The "corral" for unknown locations. */
double corral_lon;
double corral_offset;
int corral_ambiguity;
};
void aprs_tt_init (struct tt_config_s *p_config);
void aprs_tt_button (int chan, char button);
/* Error codes for sending responses to user. */
#define TT_ERROR_D_MSG 1 /* D was first char of field. Not implemented yet. */
#define TT_ERROR_INTERNAL 2 /* Internal error. Shouldn't be here. */
#define TT_ERROR_MACRO_NOMATCH 3 /* No definition for digit sequence. */
#define TT_ERROR_BAD_CHECKSUM 4 /* Bad checksum on call. */
#define TT_ERROR_INVALID_CALL 5 /* Invalid callsign. */
#define TT_ERROR_INVALID_OBJNAME 6 /* Invalid object name. */
#define TT_ERROR_INVALID_SYMBOL 7 /* Invalid symbol specification. */
#define TT_ERROR_INVALID_LOC 8 /* Invalid location. */
#define TT_ERROR_NO_CALL 9 /* No call or object name included. */
#endif
/* end aprs_tt.h */