-
Notifications
You must be signed in to change notification settings - Fork 314
/
Copy pathsymbols.c
1064 lines (882 loc) · 30.2 KB
/
symbols.c
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
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
//
// This file is part of Dire Wolf, an amateur radio packet TNC.
//
// Copyright (C) 2011, 2012, 2013, 2014, 2015 John Langner, WB2OSZ
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
/*------------------------------------------------------------------
*
* File: symbols.c
*
* Purpose: Functions related to the APRS symbols
*
*------------------------------------------------------------------*/
#include "direwolf.h"
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "textcolor.h"
#include "symbols.h"
#include "tt_text.h"
/*
* APRS symbol tables.
*
* Derived from http://www.aprs.org/symbols/symbolsX.txt
* version of 20 Oct 2009.
*/
/*
* Primary symbol table.
*/
#define SYMTAB_SIZE 95
static const struct {
char xy[3];
char *description;
} primary_symtab[SYMTAB_SIZE] = {
/* 00 */ { "~~", "--no-symbol--" },
/* ! 01 */ { "BB", "Police, Sheriff" },
/* " 02 */ { "BC", "reserved (was rain)" },
/* # 03 */ { "BD", "DIGI (white center)" },
/* $ 04 */ { "BE", "PHONE" },
/* % 05 */ { "BF", "DX CLUSTER" },
/* & 06 */ { "BG", "HF GATEway" },
/* ' 07 */ { "BH", "Small AIRCRAFT" },
/* ( 08 */ { "BI", "Mobile Satellite Station" },
/* ) 09 */ { "BJ", "Wheelchair (handicapped)" },
/* * 10 */ { "BK", "SnowMobile" },
/* + 11 */ { "BL", "Red Cross" },
/* , 12 */ { "BM", "Boy Scouts" },
/* - 13 */ { "BN", "House QTH (VHF)" },
/* . 14 */ { "BO", "X" },
/* / 15 */ { "BP", "Red Dot" },
/* 0 16 */ { "P0", "# circle (obsolete)" },
/* 1 17 */ { "P1", "TBD" },
/* 2 18 */ { "P2", "TBD" },
/* 3 19 */ { "P3", "TBD" },
/* 4 20 */ { "P4", "TBD" },
/* 5 21 */ { "P5", "TBD" },
/* 6 22 */ { "P6", "TBD" },
/* 7 23 */ { "P7", "TBD" },
/* 8 24 */ { "P8", "TBD" },
/* 9 25 */ { "P9", "TBD" },
/* : 26 */ { "MR", "FIRE" },
/* ; 27 */ { "MS", "Campground (Portable ops)" },
/* < 28 */ { "MT", "Motorcycle" },
/* = 29 */ { "MU", "RAILROAD ENGINE" },
/* > 30 */ { "MV", "CAR" },
/* ? 31 */ { "MW", "SERVER for Files" },
/* @ 32 */ { "MX", "HC FUTURE predict (dot)" },
/* A 33 */ { "PA", "Aid Station" },
/* B 34 */ { "PB", "BBS or PBBS" },
/* C 35 */ { "PC", "Canoe" },
/* D 36 */ { "PD", "" },
/* E 37 */ { "PE", "EYEBALL (Eye catcher!)" },
/* F 38 */ { "PF", "Farm Vehicle (tractor)" },
/* G 39 */ { "PG", "Grid Square (6 digit)" },
/* H 40 */ { "PH", "HOTEL (blue bed symbol)" },
/* I 41 */ { "PI", "TcpIp on air network stn" },
/* J 42 */ { "PJ", "" },
/* K 43 */ { "PK", "School" },
/* L 44 */ { "PL", "PC user" },
/* M 45 */ { "PM", "MacAPRS" },
/* N 46 */ { "PN", "NTS Station" },
/* O 47 */ { "PO", "BALLOON" },
/* P 48 */ { "PP", "Police" },
/* Q 49 */ { "PQ", "TBD" },
/* R 50 */ { "PR", "REC. VEHICLE" },
/* S 51 */ { "PS", "SHUTTLE" },
/* T 52 */ { "PT", "SSTV" },
/* U 53 */ { "PU", "BUS" },
/* V 54 */ { "PV", "ATV" },
/* W 55 */ { "PW", "National WX Service Site" },
/* X 56 */ { "PX", "HELO" },
/* Y 57 */ { "PY", "YACHT (sail)" },
/* Z 58 */ { "PZ", "WinAPRS" },
/* [ 59 */ { "HS", "Human/Person (HT)" },
/* \ 60 */ { "HT", "TRIANGLE(DF station)" },
/* ] 61 */ { "HU", "MAIL/PostOffice(was PBBS)" },
/* ^ 62 */ { "HV", "LARGE AIRCRAFT" },
/* _ 63 */ { "HW", "WEATHER Station (blue)" },
/* ` 64 */ { "HX", "Dish Antenna" },
/* a 65 */ { "LA", "AMBULANCE" },
/* b 66 */ { "LB", "BIKE" },
/* c 67 */ { "LC", "Incident Command Post" },
/* d 68 */ { "LD", "Fire dept" },
/* e 69 */ { "LE", "HORSE (equestrian)" },
/* f 70 */ { "LF", "FIRE TRUCK" },
/* g 71 */ { "LG", "Glider" },
/* h 72 */ { "LH", "HOSPITAL" },
/* i 73 */ { "LI", "IOTA (islands on the air)" },
/* j 74 */ { "LJ", "JEEP" },
/* k 75 */ { "LK", "TRUCK" },
/* l 76 */ { "LL", "Laptop" },
/* m 77 */ { "LM", "Mic-E Repeater" },
/* n 78 */ { "LN", "Node (black bulls-eye)" },
/* o 79 */ { "LO", "EOC" },
/* p 80 */ { "LP", "ROVER (puppy, or dog)" },
/* q 81 */ { "LQ", "GRID SQ shown above 128 m" },
/* r 82 */ { "LR", "Repeater" },
/* s 83 */ { "LS", "SHIP (pwr boat)" },
/* t 84 */ { "LT", "TRUCK STOP" },
/* u 85 */ { "LU", "TRUCK (18 wheeler)" },
/* v 86 */ { "LV", "VAN" },
/* w 87 */ { "LW", "WATER station" },
/* x 88 */ { "LX", "xAPRS (Unix)" },
/* y 89 */ { "LY", "YAGI @ QTH" },
/* z 90 */ { "LZ", "TBD" },
/* { 91 */ { "J1", "" },
/* | 92 */ { "J2", "TNC Stream Switch" },
/* } 93 */ { "J3", "" },
/* ~ 94 */ { "J3", "TNC Stream Switch" } };
/*
* Alternate symbol table.
*/
static const struct {
char xy[3];
char *description;
} alternate_symtab[SYMTAB_SIZE] = {
/* 00 */ { "~~", "--no-symbol--" },
/* ! 01 */ { "OB", "EMERGENCY (!)" },
/* " 02 */ { "OC", "reserved" },
/* # 03 */ { "OD", "OVERLAY DIGI (green star)" },
/* $ 04 */ { "OE", "Bank or ATM (green box)" },
/* % 05 */ { "OF", "Power Plant with overlay" },
/* & 06 */ { "OG", "I=Igte IGate R=RX T=1hopTX 2=2hopTX" },
/* ' 07 */ { "OH", "Crash (& now Incident sites)" },
/* ( 08 */ { "OI", "CLOUDY (other clouds w ovrly)" },
/* ) 09 */ { "OJ", "Firenet MEO, MODIS Earth Obs." },
/* * 10 */ { "OK", "SNOW (& future ovrly codes)" },
/* + 11 */ { "OL", "Church" },
/* , 12 */ { "OM", "Girl Scouts" },
/* - 13 */ { "ON", "House (H=HF) (O = Op Present)" },
/* . 14 */ { "OO", "Ambiguous (Big Question mark)" },
/* / 15 */ { "OP", "Waypoint Destination" },
/* 0 16 */ { "A0", "CIRCLE (E/I/W=IRLP/Echolink/WIRES)" },
/* 1 17 */ { "A1", "" },
/* 2 18 */ { "A2", "" },
/* 3 19 */ { "A3", "" },
/* 4 20 */ { "A4", "" },
/* 5 21 */ { "A5", "" },
/* 6 22 */ { "A6", "" },
/* 7 23 */ { "A7", "" },
/* 8 24 */ { "A8", "802.11 or other network node" },
/* 9 25 */ { "A9", "Gas Station (blue pump)" },
/* : 26 */ { "NR", "Hail (& future ovrly codes)" },
/* ; 27 */ { "NS", "Park/Picnic area" },
/* < 28 */ { "NT", "ADVISORY (one WX flag)" },
/* = 29 */ { "NU", "APRStt Touchtone (DTMF users)" },
/* > 30 */ { "NV", "OVERLAYED CAR" },
/* ? 31 */ { "NW", "INFO Kiosk (Blue box with ?)" },
/* @ 32 */ { "NX", "HURICANE/Trop-Storm" },
/* A 33 */ { "AA", "overlayBOX DTMF & RFID & XO" },
/* B 34 */ { "AB", "Blwng Snow (& future codes)" },
/* C 35 */ { "AC", "Coast Guard" },
/* D 36 */ { "AD", "Drizzle (proposed APRStt)" },
/* E 37 */ { "AE", "Smoke (& other vis codes)" },
/* F 38 */ { "AF", "Freezng rain (&future codes)" },
/* G 39 */ { "AG", "Snow Shwr (& future ovrlys)" },
/* H 40 */ { "AH", "Haze (& Overlay Hazards)" },
/* I 41 */ { "AI", "Rain Shower" },
/* J 42 */ { "AJ", "Lightening (& future ovrlys)" },
/* K 43 */ { "AK", "Kenwood HT (W)" },
/* L 44 */ { "AL", "Lighthouse" },
/* M 45 */ { "AM", "MARS (A=Army,N=Navy,F=AF)" },
/* N 46 */ { "AN", "Navigation Buoy" },
/* O 47 */ { "AO", "Rocket" },
/* P 48 */ { "AP", "Parking" },
/* Q 49 */ { "AQ", "QUAKE" },
/* R 50 */ { "AR", "Restaurant" },
/* S 51 */ { "AS", "Satellite/Pacsat" },
/* T 52 */ { "AT", "Thunderstorm" },
/* U 53 */ { "AU", "SUNNY" },
/* V 54 */ { "AV", "VORTAC Nav Aid" },
/* W 55 */ { "AW", "# NWS site (NWS options)" },
/* X 56 */ { "AX", "Pharmacy Rx (Apothicary)" },
/* Y 57 */ { "AY", "Radios and devices" },
/* Z 58 */ { "AZ", "" },
/* [ 59 */ { "DS", "W.Cloud (& humans w Ovrly)" },
/* \ 60 */ { "DT", "New overlayable GPS symbol" },
/* ] 61 */ { "DU", "" },
/* ^ 62 */ { "DV", "# Aircraft (shows heading)" },
/* _ 63 */ { "DW", "# WX site (green digi)" },
/* ` 64 */ { "DX", "Rain (all types w ovrly)" },
/* a 65 */ { "SA", "ARRL, ARES, WinLINK" },
/* b 66 */ { "SB", "Blwng Dst/Snd (& others)" },
/* c 67 */ { "SC", "CD triangle RACES/SATERN/etc" },
/* d 68 */ { "SD", "DX spot by callsign" },
/* e 69 */ { "SE", "Sleet (& future ovrly codes)" },
/* f 70 */ { "SF", "Funnel Cloud" },
/* g 71 */ { "SG", "Gale Flags" },
/* h 72 */ { "SH", "Store. or HAMFST Hh=HAM store" },
/* i 73 */ { "SI", "BOX or points of Interest" },
/* j 74 */ { "SJ", "WorkZone (Steam Shovel)" },
/* k 75 */ { "SK", "Special Vehicle SUV,ATV,4x4" },
/* l 76 */ { "SL", "Areas (box,circles,etc)" },
/* m 77 */ { "SM", "Value Sign (3 digit display)" },
/* n 78 */ { "SN", "OVERLAY TRIANGLE" },
/* o 79 */ { "SO", "small circle" },
/* p 80 */ { "SP", "Prtly Cldy (& future ovrlys)" },
/* q 81 */ { "SQ", "" },
/* r 82 */ { "SR", "Restrooms" },
/* s 83 */ { "SS", "OVERLAY SHIP/boat (top view)" },
/* t 84 */ { "ST", "Tornado" },
/* u 85 */ { "SU", "OVERLAYED TRUCK" },
/* v 86 */ { "SV", "OVERLAYED Van" },
/* w 87 */ { "SW", "Flooding" },
/* x 88 */ { "SX", "Wreck or Obstruction ->X<-" },
/* y 89 */ { "SY", "Skywarn" },
/* z 90 */ { "SZ", "OVERLAYED Shelter" },
/* { 91 */ { "Q1", "Fog (& future ovrly codes)" },
/* | 92 */ { "Q2", "TNC Stream Switch" },
/* } 93 */ { "Q3", "" },
/* ~ 94 */ { "Q4", "TNC Stream Switch" } };
// Make sure the array is null terminated.
// If search order is changed, do the same in decode_aprs.c
static const char *search_locations[] = {
(const char *) "symbols-new.txt",
(const char *) "data/symbols-new.txt",
(const char *) "../data/symbols-new.txt",
#ifndef __WIN32__
(const char *) "/usr/local/share/direwolf/symbols-new.txt",
(const char *) "/usr/share/direwolf/symbols-new.txt",
#endif
#if __APPLE__
// https://groups.yahoo.com/neo/groups/direwolf_packet/conversations/messages/2458
// Adding the /opt/local tree since macports typically installs there. Users might want their
// INSTALLDIR (see Makefile.macosx) to mirror that. If so, then we need to search the /opt/local
// path as well.
(const char *) "/opt/local/share/direwolf/symbols-new.txt",
#endif
(const char *) NULL
};
/*------------------------------------------------------------------
*
* Function: symbols_init
*
* Purpose: Initialization for functions related to symbols.
*
* Inputs:
*
* Global output:
* new_sym_ptr
* new_sym_size
* new_sym_len
*
* Description: The primary and alternate symbol tables are constant
* so they are hardcoded.
* However the "new" sysmbols, which give new meanings to
* overlayed symbols, are always evolving.
* For maximum flexibility, we will read the
* data file at run time rather than compiling it in.
*
* For the most recent version, download from:
*
* http://www.aprs.org/symbols/symbols-new.txt
*
* Windows version: File must be in current working directory.
*
* Linux version: Search order is current working directory
* then /usr/share/direwolf directory.
*
*------------------------------------------------------------------*/
#define NEW_SYM_INIT_SIZE 20
#define NEW_SYM_DESC_LEN 29
typedef struct new_sym_s {
char overlay;
char symbol;
char description[NEW_SYM_DESC_LEN+1];
} new_sym_t;
static new_sym_t *new_sym_ptr = NULL; /* Dynamically allocated array. */
static int new_sym_size = 0; /* Number of elements allocated. */
static int new_sym_len = 0; /* Number of elements used. */
void symbols_init (void)
{
FILE *fp = NULL;
/*
* We only care about lines with this format:
*
* Column 1 - overlay character of / \ upper case or digit
* Column 2 - symbol in range of ! thru ~
* Column 3 - space
* Column 4 - equal sign
* Column 5 - space
* Column 6 - Start of description.
*/
#define COL1_OVERLAY 0
#define COL2_SYMBOL 1
#define COL3_SP 2
#define COL4_EQUAL 3
#define COL5_SP 4
#define COL6_DESC 5
char stuff[200];
int j;
#define GOOD_LINE(x) (strlen(x) > 6 && \
(x[COL1_OVERLAY] == '/' || x[COL1_OVERLAY] == '\\' || isupper(x[COL1_OVERLAY]) || isdigit(x[COL1_OVERLAY])) \
&& x[COL2_SYMBOL] >= '!' && x[COL2_SYMBOL] <= '~' \
&& x[COL3_SP] == ' ' && x[COL4_EQUAL] == '=' && x[COL5_SP] == ' ' && x[COL6_DESC] != ' ')
if (new_sym_ptr != NULL) {
return; /* was called already. */
}
// If search strategy changes, be sure to keep decode_tocall in sync.
fp = NULL;
j = 0;
do {
if (search_locations[j] == NULL) break;
fp = fopen(search_locations[j++], "r");
} while (fp == NULL);
if (fp == NULL) {
text_color_set(DW_COLOR_ERROR);
dw_printf ("Warning: Could not open 'symbols-new.txt'.\n");
dw_printf ("The \"new\" overlayed character information will not be available.\n");
new_sym_size = 1;
new_sym_ptr = calloc(new_sym_size, sizeof(new_sym_t)); /* Don't try again. */
new_sym_len = 0;
return;
}
/*
* Count number of interesting lines and allocate storage.
*/
while (fgets(stuff, sizeof(stuff), fp) != NULL) {
if (GOOD_LINE(stuff)) {
new_sym_size++;
}
}
new_sym_ptr = calloc(new_sym_size, sizeof(new_sym_t));
/*
* Rewind, read again, and save contents of interesting lines.
*/
rewind (fp);
while (fgets(stuff, sizeof(stuff), fp) != NULL) {
if (GOOD_LINE(stuff)) {
for (j = strlen(stuff+COL6_DESC) - 1; j>=0 && stuff[COL6_DESC+j] <= ' '; j--) {
stuff[COL6_DESC+j] = '\0';
}
new_sym_ptr[new_sym_len].overlay = stuff[COL1_OVERLAY];
new_sym_ptr[new_sym_len].symbol = stuff[COL2_SYMBOL];
strncpy(new_sym_ptr[new_sym_len].description, stuff+COL6_DESC, NEW_SYM_DESC_LEN);
new_sym_len++;
}
}
fclose (fp);
assert (new_sym_len == new_sym_size);
#if 0
for (j=0; j<new_sym_len; j++) {
dw_printf ("%02d: %c %c '%s'\n", j, new_sym_ptr[j].overlay,
new_sym_ptr[j].symbol, new_sym_ptr[j].description);
}
#endif
} /* end symbols_init */
/*------------------------------------------------------------------
*
* Function: symbols_list
*
* Purpose: Print a list of all the symbols.
*
* Inputs: none
*
*------------------------------------------------------------------*/
void symbols_list (void)
{
int n;
dw_printf ("\n");
dw_printf ("\tPRIMARY SYMBOL TABLE\n");
dw_printf ("\n");
dw_printf ("sym GPSxy GPSCnn APRStt Icon\n");
dw_printf ("--- ----- ------ ------ ----\n");
for (n = 1; n < SYMTAB_SIZE; n++) {
dw_printf (" /%c %s %02d AB1%02d %s\n", n + ' ', primary_symtab[n].xy, n, n, primary_symtab[n].description);
}
dw_printf ("\n");
dw_printf ("\tALTERNATE SYMBOL TABLE\n");
dw_printf ("\n");
dw_printf ("sym GPSxy GPSEnn APRStt Icon\n");
dw_printf ("--- ----- ------ ------ ----\n");
for (n = 1; n < SYMTAB_SIZE; n++) {
dw_printf (" \\%c %s %02d AB2%02d %s\n", n + ' ', alternate_symtab[n].xy, n, n, alternate_symtab[n].description);
}
dw_printf ("\n");
dw_printf ("\tNEW SYMBOLS from symbols-new.txt\n");
dw_printf ("\n");
dw_printf ("sym GPSxyz GPSxnn APRStt Icon\n");
dw_printf ("--- ------ ------ ------ ----\n");
for (n = 0; n < new_sym_len; n++) {
int overlay = new_sym_ptr[n].overlay;
int symbol = new_sym_ptr[n].symbol;
char tones[12];
symbols_to_tones (overlay, symbol, tones, sizeof(tones));
if (overlay == '/') {
dw_printf (" %c%c %s%c C%02d %-7s %s\n", overlay, symbol,
primary_symtab[symbol - ' '].xy, ' ',
symbol - ' ', tones,
new_sym_ptr[n].description);
}
else if (isupper(overlay) || isdigit(overlay)) {
dw_printf (" %c%c %s%c %-7s %s\n", overlay, symbol,
alternate_symtab[symbol - ' '].xy, overlay,
tones,
new_sym_ptr[n].description);
}
else {
dw_printf (" %c%c %s%c E%02d %-7s %s\n", overlay, symbol,
alternate_symtab[symbol - ' '].xy, ' ',
symbol - ' ', tones,
new_sym_ptr[n].description);
}
}
dw_printf ("\n");
} /* end symbols_list */
/*------------------------------------------------------------------
*
* Function: symbols_from_dest_or_src
*
* Purpose: Extract symbol from destination or source.
*
* Inputs: dti - Data type indicator.
*
* src - Source address with SSID.
*
* dest - Destination address.
* Don't care if SSID is present or not.
*
* Outputs: *symtab
* *symbol
*
* Description: There are 3 different ways to specify the symbol,
* in this order of precedence:
*
* - Information field. This was done already in the
* separate decoders for different message types.
*
* If not set already,
*
* - The destination address if it has certain formats
* starting with GPS, SPC, or SYM which are equivalent
* for our purposes.
* (Not for MIC-E where destination has a special use.)
*
* If all else fails,
*
* - SSID of the source address.
*
*
*------------------------------------------------------------------*/
static const char ssid_to_sym[16] = {
' ', /* 0 - No icon. */
'a', /* 1 - Ambulance */
'U', /* 2 - Bus */
'f', /* 3 - Fire Truck */
'b', /* 4 - Bicycle */
'Y', /* 5 - Yacht */
'X', /* 6 - Helicopter */
'\'', /* 7 - Small Aircraft */
's', /* 8 - Ship */
'>', /* 9 - Car */
'<', /* 10 - Motorcycle */
'O', /* 11 - Ballon */
'j', /* 12 - Jeep */
'R', /* 13 - Recreational Vehicle */
'k', /* 14 - Truck */
'v' /* 15 - Van */
};
void symbols_from_dest_or_src (char dti, char *src, char *dest, char *symtab, char *symbol)
{
char *p;
/*
* This part does not apply to MIC-E format because the destination
* is used to encode latitude and other information.
*/
if (dti != '\'' && dti != '`') {
/*
* For GPSCnn, nn is the index into the primary symbol table.
*/
if (strncmp(dest, "GPSC", 4) == 0)
{
int nn;
nn = atoi(dest+4);
if (nn >= 1 && nn <= 94) {
*symtab = '/'; /* Primary */
*symbol = ' ' + nn;
return;
}
}
/*
* For GPSEnn, nn is the index into the primary symbol table.
*/
if (strncmp(dest, "GPSE", 4) == 0)
{
int nn;
nn = atoi(dest+4);
if (nn >= 1 && nn <= 94) {
*symtab = '\\'; /* Alternate. */
*symbol = ' ' + nn;
return;
}
}
/*
* For GPSxy or SPCxy or SYMxy, look up xy in the translation tables.
* First search the primary table.
*/
if (strncmp(dest, "GPS", 3) == 0 ||
strncmp(dest, "SPC", 3) == 0 ||
strncmp(dest, "SYM", 3) == 0)
{
char xy[3];
int nn;
xy[0] = dest[3];
xy[1] = dest[4];
xy[2] = '\0';
for (nn = 1; nn <= 94; nn++) {
if (strcmp(xy, primary_symtab[nn].xy) == 0) {
*symtab = '/'; /* Primary. */
*symbol = ' ' + nn;
return;
}
}
}
/*
* Next, search the alternate table.
* This time, we can have the format ...xyz, where z is an overlay character.
* Only upper case letters and digits are valid overlay characters.
*/
if (strncmp(dest, "GPS", 3) == 0 ||
strncmp(dest, "SPC", 3) == 0 ||
strncmp(dest, "SYM", 3) == 0)
{
char xy[3];
char z;
int nn;
xy[0] = dest[3];
xy[1] = dest[4];
xy[2] = '\0';
z = dest[5];
for (nn = 1; nn <= 94; nn++) {
if (strcmp(xy, alternate_symtab[nn].xy) == 0) {
*symtab = '\\'; /* Alternate. */
*symbol = ' ' + nn;
if (isupper((int)z) || isdigit((int)z)) {
*symtab = z;
}
return;
}
}
}
} /* end not MIC-E */
/*
* When all else fails, use source SSID.
*/
p = strchr (src, '-');
if (p != NULL)
{
int ssid;
ssid = atoi(p+1);
if (ssid >= 1 && ssid <= 15) {
*symtab = '/'; /* All in Primary table. */
*symbol = ssid_to_sym[ssid];
return;
}
}
} /* symbols_from_dest_or_src */
/*------------------------------------------------------------------
*
* Function: symbols_into_dest
*
* Purpose: Encode symbol for destination field.
*
* Inputs: symtab /, \, 0-9, A-Z
* symbol any printable character ! to ~
*
* Outputs: dest 6 character "destination" of the forms
* GPSCnn - primary table.
* GPSEnn - alternate table.
* GPSxyz - alternate with overlay.
*
* Returns: 0 for success, 1 for error.
*
*------------------------------------------------------------------*/
int symbols_into_dest (char symtab, char symbol, char *dest)
{
if (symbol >= '!' && symbol <= '~' && symtab == '/') {
/* Primary Symbol table. */
snprintf (dest, 7, "GPSC%02d", symbol - ' ');
return (0);
}
else if (symbol >= '!' && symbol <= '~' && symtab == '\\') {
/* Alternate Symbol table. */
snprintf (dest, 7, "GPSE%02d", symbol - ' ');
return (0);
}
else if (symbol >= '!' && symbol <= '~' && (isupper(symtab) || isdigit(symtab))) {
/* Alternate Symbol table with overlay. */
snprintf (dest, 7, "GPS%s%c", alternate_symtab[symbol - ' '].xy, symtab);
return (0);
}
text_color_set(DW_COLOR_ERROR);
dw_printf ("Could not convert symbol \"%c%c\" to GPSxyz destination format.\n",
symtab, symbol);
strlcpy (dest, "GPS???", sizeof(dest)); /* Error. */
return (1);
}
/*------------------------------------------------------------------
*
* Function: symbols_get_description
*
* Purpose: Get description for given symbol table/code/overlay.
*
* Inputs: symtab /, \, 0-9, A-Z
* symbol any printable character ! to ~
*
* desc_size Size of description provided by caller
* so we can avoid buffer overflow.
*
* Outputs: description Text description.
* "--no-symbol--" if error.
*
*
* Description: This is used for the monitoring and the
* decode_aprs utility.
*
*------------------------------------------------------------------*/
void symbols_get_description (char symtab, char symbol, char *description, size_t desc_size)
{
char tmp2[2];
int j;
symbols_init();
// The symbol table identifier should be
// / for symbol from primary table
// \ for symbol from alternate table
// 0-9,A-Z for alternate symbol table with overlay character
if (symtab != '/' &&
symtab != '\\' &&
! isdigit(symtab) &&
! isupper(symtab)) {
text_color_set(DW_COLOR_ERROR);
dw_printf ("Symbol table identifier is not '/' (primary), '\\' (alternate), or valid overlay character.\n");
/* Possibilities: */
/* Select primary table and keep going, or */
/* report no symbol. It IS an error. */
/* We do the latter. */
symbol = ' ';
strlcpy (description, primary_symtab[symbol-' '].description, desc_size);
return;
}
// Bounds check before using symbol as index into table.
if (symbol < ' ' || symbol > '~') {
text_color_set(DW_COLOR_ERROR);
dw_printf ("Symbol code is not a printable character.\n");
symbol = ' '; /* Avoid subscript out of bounds. */
}
// First try to match with the "new" symbols.
for (j=0; j<new_sym_len; j++) {
if (symtab == new_sym_ptr[j].overlay && symbol == new_sym_ptr[j].symbol) {
strlcpy (description, new_sym_ptr[j].description, desc_size);
return;
}
}
// Otherwise use the original symbol tables.
if (symtab == '/') {
strlcpy (description, primary_symtab[symbol-' '].description, desc_size);
}
else {
strlcpy (description, alternate_symtab[symbol-' '].description, desc_size);
if (symtab != '\\') {
strlcat (description, " w/overlay ", desc_size);
tmp2[0] = symtab;
tmp2[1] = '\0';
strlcat (description, tmp2, desc_size);
}
}
} /* end symbols_get_description */
/*------------------------------------------------------------------
*
* Function: symbols_code_from_description
*
* Purpose: Find a suitable table/symbol based on given description.
*
* Inputs: overlay Explicit overlay or space.
* description Substring of one of the descriptions.
* Example: dog
*
* Outputs: symtab /, \, 0-9, A-Z
* symbol any printable character ! to ~
*
* Returns: 1 for success, 0 for failure.
*
*------------------------------------------------------------------*/
int symbols_code_from_description (char overlay, char *description, char *symtab, char *symbol)
{
int j;
symbols_init();
/*
* If user specified a particular overlay (i.e. for config file BEACON),
* first try the alternate symbol table.
* If that fails should we give up or ignore the overlay and keep trying?
*/
if (isupper(overlay) || isdigit(overlay)) {
for (j=0; j<SYMTAB_SIZE; j++) {
if (strcasestr(alternate_symtab[j].description, description) != NULL) {
*symtab = overlay;
*symbol = j + ' ';
return (1);
}
}
/* If that fails should we give up or ignore the overlay and keep trying? */
}
/*
* Search primary table.
*/
for (j=0; j<SYMTAB_SIZE; j++) {
if (strcasestr(primary_symtab[j].description, description) != NULL) {
*symtab = '/';
*symbol = j + ' ';
return (1);
}
}
/*
* Search alternate table.
*/
for (j=0; j<SYMTAB_SIZE; j++) {
if (strcasestr(alternate_symtab[j].description, description) != NULL) {
*symtab = '\\';
*symbol = j + ' ';
return (1);
}
}
/*
* Finally, the "new" symbols.
* Probably want this last so get get the most standard and
* generic for queries such as "house" or ...
*/
for (j=0; j<new_sym_len; j++) {
if (strcasestr(new_sym_ptr[j].description, description) != NULL) {
*symtab = new_sym_ptr[j].overlay;
*symbol = new_sym_ptr[j].symbol;
return (1);
}
}
/*
* Default to something generic like house.
* Caller is responsible for issuing error message.
*/
*symtab = '/';
*symbol = '-';
return (0);
} /* end symbols_code_from_description */
/*------------------------------------------------------------------
*
* Function: symbols_to_tones
*
* Purpose: Convert symbol to APRStt tone sequence.
*
* Inputs: symtab/overlay
* symbol
* tonessiz - Amount of space available for result.
*
* Output: tones - string of AB...
*
* Description:
*
* Primary: AB1nn nn = same number as GPSCnn
* Alternate: AB2nn nn = same number as GPSEnn
* with overlay: AB0nntt nn = same as with alternate
* tt = one or two tones from two key method.
*
*------------------------------------------------------------------*/
void symbols_to_tones (char symtab, char symbol, char *tones, size_t tonessiz)
{
if (symtab == '/') {
snprintf (tones, tonessiz, "AB1%02d", symbol - ' ');
}
else if (isupper(symtab) || isdigit(symtab)) {
char text[2];
char tt[8];
text[0] = symtab;
text[1] = '\0';
tt_text_to_two_key (text, 0, tt);
snprintf (tones, tonessiz, "AB0%02d%s", symbol - ' ', tt);
}
else {
snprintf (tones, tonessiz, "AB2%02d", symbol - ' ');
}
} /* end symbols_to_tones */
#if 0
/* Quick, incomplete, unit test. */
/* gcc -g symbols.c textcolor.c misc.a */
int main (int argc, char *argv[])
{
char symtab;
char symbol;
char dest[8];
char description[50];
symbols_init ();
symbols_from_dest_or_src ('T', "W1ABC", "GPSC43", &symtab, &symbol);
if (symtab != '/' || symbol != 'K') dw_printf ("ERROR 1-1\n");
symbols_from_dest_or_src ('T', "W1ABC", "GPSE87", &symtab, &symbol);
if (symtab != '\\' || symbol != 'w') dw_printf ("ERROR 1-2\n");
symbols_from_dest_or_src ('T', "W1ABC", "SPCBL", &symtab, &symbol);
if (symtab != '/' || symbol != '+') dw_printf ("ERROR 1-3\n");
symbols_from_dest_or_src ('T', "W1ABC", "SYMST", &symtab, &symbol);
if (symtab != '\\' || symbol != 't') dw_printf ("ERROR 1-4\n");
symbols_from_dest_or_src ('T', "W1ABC", "GPSOD9", &symtab, &symbol);
if (symtab != '9' || symbol != '#') dw_printf ("ERROR 1-5\n");
symbols_from_dest_or_src ('T', "W1ABC-14", "XXXXXX", &symtab, &symbol);
if (symtab != '/' || symbol != 'k') dw_printf ("ERROR 1-6\n");
symbols_from_dest_or_src ('T', "W1ABC", "GPS???", &symtab, &symbol);
/* Outputs are left alone if symbol can't be determined. */
if (symtab != '/' || symbol != 'k') dw_printf ("ERROR 1-7\n");
symbols_into_dest ('/', 'K', dest);
if (strcmp(dest, "GPSC43") != 0) dw_printf ("ERROR 2-1\n");
symbols_into_dest ('\\', 'w', dest);
if (strcmp(dest, "GPSE87") != 0) dw_printf ("ERROR 2-2\n");
symbols_into_dest ('3', 'A', dest);