forked from wb2osz/direwolf
-
Notifications
You must be signed in to change notification settings - Fork 0
/
decode_aprs.h
128 lines (70 loc) · 3.62 KB
/
decode_aprs.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
/* decode_aprs.h */
#ifndef DECODE_APRS_H
#define DECODE_APRS_H 1
#ifndef G_UNKNOWN
#include "latlong.h"
#endif
#ifndef AX25_MAX_ADDR_LEN
#include "ax25_pad.h"
#endif
#ifndef APRSTT_LOC_DESC_LEN
#include "aprs_tt.h"
#endif
typedef struct decode_aprs_s {
int g_quiet; /* Suppress error messages when decoding. */
char g_src[AX25_MAX_ADDR_LEN];
char g_msg_type[60]; /* Message type. Telemetry descriptions get pretty long. */
char g_symbol_table; /* The Symbol Table Identifier character selects one */
/* of the two Symbol Tables, or it may be used as */
/* single-character (alpha or numeric) overlay, as follows: */
/* / Primary Symbol Table (mostly stations) */
/* \ Alternate Symbol Table (mostly Objects) */
/* 0-9 Numeric overlay. Symbol from Alternate Symbol */
/* Table (uncompressed lat/long data format) */
/* a-j Numeric overlay. Symbol from Alternate */
/* Symbol Table (compressed lat/long data */
/* format only). i.e. a-j maps to 0-9 */
/* A-Z Alpha overlay. Symbol from Alternate Symbol Table */
char g_symbol_code; /* Where the Symbol Table Identifier is 0-9 or A-Z (or a-j */
/* with compressed position data only), the symbol comes from */
/* the Alternate Symbol Table, and is overlaid with the */
/* identifier (as a single digit or a capital letter). */
char g_aprstt_loc[APRSTT_LOC_DESC_LEN]; /* APRStt location from !DAO! */
double g_lat, g_lon; /* Location, degrees. Negative for South or West. */
/* Set to G_UNKNOWN if missing or error. */
char g_maidenhead[12]; /* 4 or 6 (or 8?) character maidenhead locator. */
char g_name[12]; /* Object or item name. Max. 9 characters. */
char g_addressee[12]; /* Addressee for a "message." Max. 9 characters. */
/* Also for Directed Station Query which is a */
/* special case of message. */
float g_speed_mph; /* Speed in MPH. */
float g_course; /* 0 = North, 90 = East, etc. */
int g_power; /* Transmitter power in watts. */
int g_height; /* Antenna height above average terrain, feet. */
int g_gain; /* Antenna gain in dB. */
char g_directivity[12]; /* Direction of max signal strength */
float g_range; /* Precomputed radio range in miles. */
float g_altitude_ft; /* Feet above median sea level. */
char g_mfr[80]; /* Manufacturer or application. */
char g_mic_e_status[32]; /* MIC-E message. */
double g_freq; /* Frequency, MHz */
float g_tone; /* CTCSS tone, Hz, one fractional digit */
int g_dcs; /* Digital coded squelch, print as 3 octal digits. */
int g_offset; /* Transmit offset, kHz */
char g_query_type[12]; /* General Query: APRS, IGATE, WX, ... */
/* Addressee is NOT set. */
/* Directed Station Query: exactly 5 characters. */
/* APRSD, APRST, PING?, ... */
/* Addressee is set. */
double g_footprint_lat; /* A general query may contain a foot print. */
double g_footprint_lon; /* Set all to G_UNKNOWN if not used. */
float g_footprint_radius; /* Radius in miles. */
char g_query_callsign[12]; /* Directed query may contain callsign. */
/* e.g. tell me all objects from that callsign. */
char g_weather[500]; /* Weather. Can get quite long. Rethink max size. */
char g_telemetry[256]; /* Telemetry data. Rethink max size. */
char g_comment[256]; /* Comment. */
} decode_aprs_t;
extern void decode_aprs (decode_aprs_t *A, packet_t pp, int quiet);
extern void decode_aprs_print (decode_aprs_t *A);
#endif